Tomas Dahlen

POSITIONS
2012 - Associate Scientist at Space Telescope Science Institute, Baltimore, US
2006 - 2012 ESA astronomer at Space Telescope Science Institute, Baltimore, US
2004 - 2006 Postdoc at the Department of Physics, Stockholm University, Sweden
2002 - 2004 Postdoc at the Space Telescope Science Institute, Baltimore, US
2002 PhD at Stockholm Observatory, Sweden

INTERESTS
High redshift supernova rates, Type Ia and core collapse SNe
Evolution of galaxy luminosity and mass function with redshift
Evolution of the star formation rate
Photometric redshifts

COLLABORATIONS
CANDELS
GOODS
Pan-STARRS
Previous COLLABORATIONS
Cosmology Particle astrophysics and String theory (CoPS) at Stockholm University
Observational Cosmology at Stockholm Observatory

PUBLICATIONS:
Top cited papers in ADS
All peer reviewed papers
Thesis
Other publications

CONTACT INFO



REVIEWED PAPERS:

Dahlen, T,. Mobasher, B., Faber, S. M., Ferguson, H. C., Barro, G., Finkelstein, S. L., Finlator, K., Fontana, A., Gruetzbauch, R., Johnson, S., Pforr, J., Salvato, M., Wiklind, T., Wuyts, S., Acquaviva, V., Dickinson, M. E., Guo, Y., Huang, J., Huang, K. -H., Newman, J. A., Bell, E. F., Conselice, C. J., Galametz, A., Gawiser, E., Giavalisco, M., Grogin, N. A., Hathi, N., Kocevski, D., Koekemoer, A. M., Koo, D. C., Lee, K. -S., McGrath, E. J., Papovich, C., Peth, M., Ryan, R., Somerville, R., Weiner, B., Wilson, G. 2013 "A Critical Assessment of Photometric Redshift Methods: A CANDELS Investigation ", ApJ, 775, 93 (arXiv).

Guo, Y., Ferguson, H. C., Giavalisco, M., Barro, G., Willner, S. P., Ashby, M. L. N., Dahlen, T., Donley, J. L., Faber, S. M., Fontana, A., Galametz, A., Grazian, A., Huang, K. -H., Kocevski, D. D., Koekemoer, A. M., Koo, D. C., McGrath, E. J., Peth, M., Salvato, M., Wuyts, S., Castellano, M., Cooray, A. R., Dickinson, M. E., Dunlop, J. S., Fazio, G. G., Gardner, J. P., Gawiser, E., Grogin, N. A., Hathi, N. P., Hsu, L. -T., Lee, K. -Soo., Lucas, R. A., Mobasher, B., Nandra, K., Newman, J. A., van der Wel, A. 2013 "CANDELS Multi-wavelength Catalogs: Source Detection and Photometry in the GOODS-South Field", ApJS, 207, 24.

Pirzkal, N., Rothberg, B., Ly, C., Malhotra, S., Rhoads, J. E., Grogin, N. A., Dahlen, T., Noeske, K. G., Meurer, G. R., Walsh, J. R., Hathi, N. P., Cohen, S. H., Bellini, A., Holwerda, B. W., Straughn, A. N., Mechtley, M., Windhorst, R. A. 2013 "Emission-line Galaxies from the Hubble Space Telescope Probing Evolution and Reionization Spectroscopically (PEARS) Grism Survey. II. The Complete Sample", ApJ, 772, 48 (arXiv).

Jones, D. O., Rodney, S. A., Riess, A. G., Mobasher, B., Dahlen, T., McCully, C., Frederiksen, T. F., Casertano, S., Hjorth, J., Keeton, C. R., Koekemoer, A., Strolger, L. -G., Wiklind, T. G., Challis, P., Graur, O., Hayden, B., Patel, B., Weiner, B. J., Filippenko, A. V., Garnavich, P., Jha, S. W., Kirshner, R. P., Ferguson, H. C., Grogin, N. A., Kocevski, D. 2013 "The Discovery of the Most Distant Known Type Ia Supernova at Redshift 1.914", ApJ, 768, 166 (arXiv).

Galametz, A., Grazian, A., Fontana, A., Ferguson, H. C., Ashby, M. L. N., Barro, G., Castellano, M., Dahlen, T., Donley, J. L., Faber, S. M., Grogin, N., Guo, Y., Huan, K-. H., Kocevski, D. D., Koekemoer, A. M., Lee, K-. S., McGrath, E. J., Peth, M., Willner, S. P., Almaini, O., Cooper, M., Cooray, A. R., Conselice, C. J., Dickinson, M., Dunlop, J. S., Fazio, G. G., Foucaud, S., Gardner, J. P., Giavalisco, M., Hathi, N. P., Hartley, W. G., Koo, D. C., Lai, K., de Mello, D. F., McLure, R. J., Paris, D., Pentericci, L., Santini, P., Simpson, C., Sommariva, V. Weiner, B. J., Wuyts, S., and the CANDELS team. 2013 "The CANDELS Multiwavelength Catalogs: Source Identification and Photometry in the CANDELS UKIDSS Ultra-Deep Survey Field", ApJS, 206, 10 (arXiv).

Pentericci, L., Castellano, M., Menci, N., Salimbeni, S., Dahlen, T., Galametz, A., Santini, P., Grazian, A., Fontana, A. 2013 "The evolution of the AGN content in groups up to z~1", A&A, 552, 111 (arXiv).

Dahlen, T., Strolger, L. -G., Riess, A. G. Mattila, S., Kankare, E., Mobasher, B. 2012 "The Extended HST Supernova Survey: The Rate of Core Collapse Supernovae to z~1", ApJ, 757, 70 (arXiv).

Frederiksen, T. F., Hjorth, J., Maund, J. R., Rodney, S. A., Riess, A. G., Dahlen, T., Mobasher B. 2012 "The Dwarf Starburst Host Galaxy of a Type Ia SN at z = 1.55 from CANDELS ", ApJ, 760, 125 (arXiv).

Kartaltepe, J. S., Dickinson, M., Alexander, D. M., Bell, E. F., Dahlen, T., Elbaz, D., Faber, S. M., Lotz, J., McIntosh, D. H., Wiklind, T., Altieri, B., Aussel, H., Bethermin, M., Bournaud, F., Charmandaris, V., Conselice, C. J., Cooray, A., Daddi, E., Dannerbauer, H., Davé, R., Dunlop, J. S., Dekel, A., Ferguson, H. C., Grogin, N. A., Hwang, H. S., Ivison, R., Kocevski, D., Koekemoer, A., Koo, D. C., Lai, K., Leiton, R., Lucas, R., Lutz, D., Magdis, G., Magnelli, B., Morrison, G., Mozena, M., Mullaney, J., Newman, J. A., Pope, A., Popesso, P., van der Wel, A., Weiner, B., Wuyts, S. 2012 , "GOODS-Herschel & CANDELS: The Morphologies of Ultraluminous Infrared Galaxies at z~2", ApJ, 757, 23 (arXiv).

Melinder, J., Dahlen, T., Mencia Trinchant, L., Ostlin, G., Mattila, S., Sollerman, J., Fransson, C., Hayes, M., Kankare, E., Nasoudi-Shoar, S. 2012 , "The Rate of Supernovae at Redshift 0.1-1.0 - the Stockholm VIMOS Supernova Survey IV ", A&A, 545, 96 (arXiv).

Mattila, S., Dahlen, T., Efstathiou, A., Kankare, E., Melinder, J., Alonso-Herrero, A., Perez-Torres, M. A., Ryder, S., Vaisanen, P., Ostlin, G. 2012 , "Core-collapse supernovae missed by optical surveys", ApJ, 756, 111 (arXiv).

Rodney, S. A., Riess, A. G., Dahlen, T., Strolger, L.-G., Ferguson, H. C., Hjort, J., Frederiksen, T. F., Weiner, B., J., Mobasher, B., Casertano, S., Jones, D. O., Challis, P., Faber, S. M., Filippenko, A. V., Garnavich, P., Graur, O., Grogin, N. A., Hayden, B., Jha, S. W., Kirshner, R. P., Kocevski, D., Koekemoer, A., McCully, C., Patel, B., Rajan, A., Scarlata, C. 2012 , "A Type Ia Supernova at Redshift 1.55 in Hubble Space Telescope Infrared Observations from CANDELS", ApJ, 746, 5 (arXiv).

Kocevski, D., D., Faber, S. M., Mozena, M., Koekemoer, A. M., Nandra, K., Rangel, C., Laird, E. S., Brusa, M., Wuyts, S., Trump, J. R., Koo, D. C., Somerville, R. S., Bell, E. F., Lotz, J. M., Alexander, D. M., Bournaud, F., Conselice, C. J., Dahlen, T., Dekel, A., Donley, J. L., Dunlop, J. S., Finoguenov, A., Georgakakis, A., Giavalisco, M., Guo, Y., Grogin, N. A., Hathi, N. P., Juneau, S., Kartaltepe, J. S., Lucas, R. A., McGrath, E. J., McIntosh, D. H., Mobasher, B., Robaina, A. R., Rosario, D. Straughn, A. N., van der Wel, A., Villforth, C. 2012 , "CANDELS: Constraining the AGN-Merger Connection with Host Morphologies at z~2 ", ApJ, 744, 148 (arXiv).

Lee, K. -S., Ferguson, H. C., Wiklind, T., Dahlen, T., Dickinson, M. E., Giavalisco, M., Grogin, N., Papovich, C., Messias, H., Guo, Y., Lin, L. 2012 , "How Do Star-Forming Galaxies at Z>3 Assemble Their Masses?", ApJ, 752, 66 (arXiv).

Koekemoer, A. M., Faber, S. M., Ferguson, H. C. [14 authors], Dahlen T., [106 authors] 2011, "CANDELS: The Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey - The Hubble Space Telescope Observations, Imaging Data Products, and Mosaics", ApJS, 197, 36 (arXiv).

Grogin, N. A., Kocevski, D. D., Faber, S. M. [23 authors], Dahlen T., [80 authors] 2011, "CANDELS: The Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey", ApJS, 197, 35 (arXiv).

Riehm, T., Mörtsell, E., Goobar, A., Amanullah, R., Dahlen, T., Jönsson, J., Limousin, M., Paech, K., Richard J.2011 , "Near-IR search for lensed supernovae behind galaxy clusters: III. Implications for cluster modeling and cosmology", A&A, 536, 94 (arXiv).

Amanullah, R., Goobar, A., Clément, B., Cuby, J. -G., Dahle, H., Dahlen, T., Hjorth, J., Fabbro, S., Jönsson, J., Kneib, J. -P., Lidman, C., Limousin, M., Mörtsell, E., Nordin, J., Paech, K., Richard, J., Riehm, T., Stanishev, V., Watson D. 2011 , "A highly magnified supernova at z=1.703 behind the massive galaxy cluster Abell 1689", ApJ, 742, L7 (arXiv).

Cassata, P., Giavalisco, M., Guo, Y., Renzini, A., Ferguson, H., Koekemoer, A. M., Salimbeni, S., Scarlata, C., Grogin, N. A., Conselice, C. J., Dahlen, T., Lotz, J. M., Dickinson, M., Lin, L. 2011 , "The relative abundance of compact and normal massive early-type galaxies and its evolution from redshift z~2 to the present ", ApJ, 743, 96 (arXiv).

Melinder, J., Dahlen, T., Mencia Trinchant, L., Östlin, G., Mattila, S., Sollerman, J., Fransson, C., Hayes, M., Nasoudi-Shoar, S. 2011, "The discovery and classification of 16 supernovae at high redshifts in ELAIS-S1 - the Stockholm VIMOS Supernova Survey II", A&A, 532, 29 (arXiv).

Su, J., Stiavelli, M., Oesch, P., Trenti, M., Bergeron, E., Bradley, L., Carollo, M., Dahlen, T., Ferguson, H. C., Giavalisco, M., Koekemoer, A., Lilly, S., Lucas, R. A., Mobasher, B., Panagia, N., Pavlovsky, C. 2011, "The UDF05 Follow-up of the Hubble Ultra Deep Field. III. The Luminosity Function at z~6", ApJ, 738, 123 (arXiv).

Jouvel, S., Kneib, J.-P., Bernstein, G., Ilbert, O., Jelinsky, P., Millard, B., Ealet, A., Schimd, C., Dahlen T., Arnouts, S. 2011, "Designing Future Dark Energy Space Missions: II. Photometric Redshift of Space Weak Lensing Optimized Survey", A&A, 532, 25 (arXiv).

Dahlen T., Mobasher, B., Dickinson, M., Ferguson, H. C., Giavalisco, M., Grogin, N. A., Guo, Y., Koekemoer, A., Lee, K. -S., Lee, S. -K., Nonino, M., Riess, A. G., Salimbeni, S. 2010, "A Detailed Study of Photometric Redshifts for GOODS-South Galaxies", ApJ, 724, 425 (arXiv)

Hildebrandt, H., Arnouts, S., Capak, P., Moustakas. L. A., Wolf, C., Abdalla, F. B., Assef, R. J., Banerji, M., Benitez, N., Brammer, G. B, Budavari, T., Carliles, S., Coe, D., Dahlen, T., Feldmann, R., Gerdes, D., Gillis, B., Ilbert, O., Kotulla, R., Lahav, O., Li, I. H., Miralles, J.-M., Purger, N, Schmidt, S, Singal, J. 2010, "PHAT: PHoto- z Accuracy Testing", A&A, 523, 31 (arXiv)

Strolger L.-G., Dahlen T., Riess, A. G. 2010, "Empirical Delay-time Distributions of Type Ia Supernovae from the Extended Goods/Hubble Space Telescope Supernova Survey", ApJ, 713, 32 (arXiv)

Jonsson, J., Dahlen T., Hook, I., Goobar, A., Mortsell, E. 2010, "Weighing dark matter haloes with gravitationally lensed supernovae", MNRAS, 402, 526 (arXiv).

Jouvel, S., Kneib, J.-P., Ilbert, O., Bernstein, G., Arnouts, S., Dahlen T., Ealet, A., Milliard, B., Ausssel. H., Capak, P., Le Brun, V., McCracken, H., Salvato, M., Scoville, N. 2009, "Designing Future Dark Energy Space Mission: I. Building Realistic Galaxy Spectro-Photometric Catalogs and their first applications", A&A, 504, 359 (arXiv).

Oesch, P. A., Carollo, C. M., Stiavelli, M., Trenti, M., Bergeron, L. E., Koekemoer, A. M., Lucas, R. A., Pavlovsky, C. M., Dahlen, T., Ferguson, H. C., Gardner, J. P., Lilly, S. J., Mobasher, B., Panagia, N. 2009, "The UDF05 Follow-up of the HUDF: II. Constraints on Reionization from z-dropout Galaxies", ApJ, 690, 1350 (arXiv).

Mobasher, B., Dahlen T., Hopkins, A., Scoville, N. Z., Capak, P., Rich, R. M., Sanders, D. B., Schinnerer, E., Salvato, M., Sheth, K. 2009, "Relation Between Stellar Mass and Star Formation Activity in Galaxies", ApJ, 690, 1074 (arXiv).

Stanishev, V, Goobar, A., Paech, K., Amanullah, R., Dahlen, T., Jonsson, J., Kneib, J. P., Lidman, C., Limousin, M., Mortsell, E., Nobili, S., Richard, J., Riehm, T., von Strauss, M. 2009, "Near-IR Search for Lensed Supernovae Behind Galaxy Clusters - I. Survey Design, Data Reduction and Analysis", A&A, 507, 61 (arXiv)

Goobar, A., Paech, K., Stanishev, V., Amanullah, R., Dahlen, T., Jonsson, J., Kneib, J. P., Lidman, C., Limousin, M., Mortsell, E., Nobili, S., Richard, J., Riehm, T., von Strauss, M. 2009, "Near-IR Search for Lensed Supernovae Behind Galaxy Clusters - II. First Detection and Future Prospects", A&A, 507, 71 (arXiv).

Graham, J. F., Fruchter, A. S., Levan, A. J., Melandri, A., Kewley, L. J., Levesque, E. M., Nysewander, M., Tanvir, N. R., Dahlen, T., Bersier, D., Wiersema, K. 2009, "GRB 070714B - Discovery of the Highest Spectroscopically Confirmed Short Burst Redshift", ApJ, 698, 1620 (arXiv).

Dahlen, T., Strolger, L. -G., Riess, A. G. 2008 "The Extended HST Supernova Survey: The Rate of SNe Ia at z>1.4 Remains Low", ApJ, 681, 462 (arXiv).

Dahlen T., Mobasher, B., Jouvel, S, Kneib, J.-P., Ilbert, O., Arnouts, S., Bernstein, G., Rhodes, J. 2008, "SuperNova Acceleration Probe (SNAP): Investigating Photometric Redshift Optimization", AJ, 136, 1361 (pdf).

Dahlen T., Mobasher, B., Dickinson, M., Ferguson, H. C., Giavalisco, M., Kretchmer, C., Ravindranath, S. 2007, "Evolution of the luminosity function, star formation rate, morphology and size of star-forming galaxies selected at rest-frame 1500A and 2800A", ApJ, 654, 172 (arXiv).

Oesch, P. A., Stiavelli, M., Carollo, C. M., Bergeron, L. E., Koekemoer, A. M., Lucas, R. A., Pavlovsky, C. M., Trenti, M., Lilly, S. J., Beckwith, S. V. W., Dahlen, T., Ferguson, H. C., Gardner, J. P., Lacey, C., Mobasher, B., Panagia, N., Rix, H. -W. 2007, "The UDF05 Follow-up of the HUDF: I. The Faint-End Slope of the Lyman-Break Galaxy Population at z~5", ApJ, 671, 1212 (arXiv).

Mattila, S., Vaisanen, P., Farrah, D., Efstathiou, A., Meikle, W.P.S., Dahlen, T. Fransson, C., Lira, P., Lundqvist, P., Ostlin, G., Ryder, S., Sollerman, J. 2007, "Adaptive Optics Discovery of Supernova 2004ip in the Nuclear Regions of the Luminous Infrared Galaxy IRAS 18293-3413", ApJ, 659, L9 (arXiv).

Jonsson, J., Dahlen, T., Goobar, A., Mortsell. E., Riess, A. 2007, "Tentative detection of the gravitational magnification of type Ia supernovae", JCAP, 06, 2 (arXiv).

Riess, A. G., Strolger L. -G., Casertano S., Ferguson H. C., Mobasher B., Gold B., Challis, P. J., Filippenko A. V., Jha S., Li W., Tonry J., Foley R., Kirshner R. P., Dickinson M., MacDonald E., Eisenstein D., Livio M., Younger J., Xu C., Dahlen, T., Stern, D. 2007, "New Hubble Space Telescope Discoveries of Type Ia Supernovae at z > 1: Narrowing Constraints on the Early Behavior of Dark Energy", ApJ, 659, 98 (arXiv).

Mobasher, B., Capak, P., Scoville, N. Z., Dahlen, T., Salvato, M., Aussel, H., Thompson, D. J., Feldmann, R., Tasca, L., Lefevre, O., Lilly, S., Carollo, C. M., Kartaltepe, J. S., McCracken, H., Mould, J., Renzini, A., Sanders, D. B., Shopbell, P. L., Taniguchi, Y., Ajiki, M., Shioya, Y., Contini, T., Giavalisco, M., Ilbert, O., Iovino, A., Le Brun, V., Mainieri, V., Mignoli, M., Scodeggio M. 2007, "Photometric Redshifts of Galaxies in COSMOS", ApJS, 172, 117 (arXiv).

de Mello, D.F., Dahlen, T., Gardner, J. P., Grogin, N. A. 2006, "Near Ultraviolet sources in the Great Observatories Origins Deep Survey Fields", AJ, 132, 2014 (arXiv).

Fruchter, A. S., Levan, A. J., Strolger, L., [7 authors] Dahlen,T., [22 authors]. 2006, "The differing locations of massive stellar explosions", Nature, 441, 463. (Link to article).

de Mello, D.F., Wadadekar, Y., Dahlen, T., Casertano, S., Gardner, J. 2006, "Star-forming galaxies at intermediate redshifts: morphology, ages and sizes", AJ, 131, 216 (arXiv).

Gunnarsson C., Dahlen T., Goobar A., Jonsson J., Mortsell E., 2006, "Corrections for gravitational lensing of supernovae: better than average?", ApJ, 640, 417 (arXiv).

Jonsson J., Dahlen T., Goobar A., Gunnarsson C., Mortsell E., Lee K., 2006, "Lensing magnification of supernovae in the GOODS-fields", ApJ, 639, 991 (arXiv).

Papovich C., Moustakas L.A., Dickinson M., Le Floc'h E., Rieke G.H., Daddi E., Alexander D.M., Bauer F., Brandt W.N, Dahlen T., Egami E., Eisenhardt P., Elbaz D., Ferguson H.C., Giavalisco M., Lucas R.A., Mobasher B., Perez--Gonzalez P.G., Stutz A., Rieke M.J., Yan H. 2006 "Spitzer Observations of Massive, Red Galaxies at High Redshift", ApJ, 640, 92 (arXiv).

Dahlen T., Mobasher, B., Somerville, R.S., Moustakas, L.A., Dickinson, M., Ferguson, H.C., Giavalisco, M. 2005, "The Evolution of the Optical and Near-Infrared Galaxy Luminosity Functions and Luminosity Densities to z~2", ApJ, 631, 126 (arXiv).

Garavini G., Aldering G., [6 authors], Dahlen T., [48 authors], 2005, "Spectroscopic Observations and Analysis of the Unusual Type Ia SN 1999ac", AJ, 130, 2278 (arXiv).

Strolger L.-G., Riess A.G., Dahlen T., [33 authors], 2005, "Erratum: The Hubble Higher-Z Supernova Search: Supernovae to z=1.6 and Constraints on Type Ia Progenitor Models", ApJ, 635, 1370 (ADS)

Dahlen T., Strolger L.-G., Riess A.G., Mobasher B., Chary R.-R., Conselice C.J., Ferguson H.C., Fruchter A.S., Giavalisco M., Livio M., Madau P., Panagia N,. Tonry J.L. 2004, "High Redshift Supernova Rates", ApJ, 613, 189 (ADS).

Dahlén T., Fransson C., Östlin G., Näslund M., 2004, "The Galaxy Population of Intermediate Redshift Clusters", MNRAS, 350, 253 (ADS).

Jogee S., Barazza F.D., Rix H.-W., [10 authors], Dahlen T., [14 authors], 2004, "Bar Evolution Over the Last Eight Billion Years: A Constant Fraction of Strong Bars in GEMS", ApJ, 615, 105L (ADS)

Strolger L.-G., Riess A.G., Dahlen T., [33 authors], 2004, "The Hubble Higher-Z Supernova Search: Supernovae to z=1.6 and Constraints on Type Ia Progenitor Models", ApJ, 613, 200 (ADS)

de Mello D., Gardner J.P., Dahlen T., Conselice C.J., Grogin N.A., Koekemoer, A.M., 2004 "The Nature of Near-UV Selected Objects in the Chandra Deep Field South", ApJ, 600, L151 ADS).

Conselice C.J., Grogin N.A., Jogee S., Lucas R.A., Dahlen T,., de Mello D., Gardner J.P., Mobasher B., Ravindranath S., 2004, "Observing the Formation of the Hubble Sequence in the Great Observatories Origins Deep Survey", ApJ, 600, L139 (ADS).

Mobasher B., Jogee S., Dahlen T., de Mello D., Conselice C.J., Grogin N.A., Livio M., 2004, "Structure and Evolution of Starburst and Normal Galaxies", ApJ, 600, L143 (ADS).

Somerville R.S., Moustakas L.A., Mobasher B., Gardner J.P., Cimatti A., Conselice C.J., Daddi E., Dahlen T., Dickinson M., Eisenhardt P., Lotz J., Papovich C., Renzini A., Stern D., 2004, "The Redshift Distribution of Near-IR Selected Galaxies in the Great Observatories Origins Deep Survey as a Test of Galaxy Formation Scenarios", ApJ, 600, L135 (ADS).

Mobasher B., Idzi R., Benitez N., [3 authors], Dahlen T., [15 authors], 2004, "Photometric Redshifts for Galaxies in the GOODS Southern Field", ApJ, 600, L167 (ADS).

Giavalisco M., Ferguson H.C., Koekemoer A.M., [12 authors],Dahlen T., [41 authors],2004, "The Great Observatories Origins Deep Survey: Initial Results From Optical and Near-Infrared Imaging", ApJ, 600, L93 (ADS).

Blanc G., Afonso C., Alard C., [12 authors], Dahlen T., [44 authors], 2004, "Type Ia supernova rate at a redshift of ~ 0.1", A&A, 423, 881 (ADS).

Garavini G., Folatelli G., Goobar A., [9 authors], Dahlen T., [44 authors], 2004, "Spectroscopic Observations and Analysis of the Peculiar SN 1999aa", AJ, 128, 387 (ADS).

Dahlén T., Fransson C., Näslund M., 2002, "The Galaxy Population of Cl1601+42 at z = 0.54", MNRAS, 330, 167 (ADS , pdf).

Dahlén T., Goobar A., 2002, "Selection of High-z Supernova Candidates", PASP, 114, 284 ( PASP , pdf).

Goobar A, Mörtsell E, Amanullah R, Goliath M, Bergström L, Dahlén T, 2002, "SNOC: a Monte-Carlo simulation package for high-z supernova observations", A&A, 392, 757 (ADS).

Strolger L.-G., Smith R.C., Suntzeff N.B., [17 authors], Dahlen T., [21 authors], 2002, " The Luminous Type Ia Supernova 1999aw: Another 1999aa-like Event in a Low-Luminosity Host Galaxy", AJ, 124, 2905 (ADS).

Dahlén T., Fransson C., 1999, "Rates and Redshift Distribution of High-z Supernovae", A&A, 350, 349 (postscript , pdf , ADS).


THESIS:

My thesis work, "Supernovae and Clusters of Galaxies as Probes for the High Redshift Universe ", consists of an Introduction and four journal articles. The Introduction and information on the articles can be found here.

För en kortfattad sammanfattning på svenska av min avhandling klicka här (pdf-format).


OTHER PUBLICATIONS:

Dahlen, T., Mobasher, B., & The CANDELS Collaboration. 2012 "CANDELS: Measuring Photometric Redshifts And Stellar Masses For Deep Surveys", AAS Meeting 220, #133.01 (ADS).

Pirzkal, N., Malhotra, S., Rhoads, J. J. E., Ly, C., Rothberg, B., Dahlen, T. 2012 "The Emission Line Objects At 0 < z<1.7 As Seen By PEARS", AAS Meeting 220, #336.06 (ADS).

Dahlen, T. Mack, J., Sabbi, E. 2012 "WFC3 UVIS Detector: Improved Flat Fields", AAS Meeting 219, #241.09 (ADS).

Rodney, S. A., Riess, A. G., Strolger, L., Ferguson, H. C., Casertano, S., Koekemoer, A., Dahlen, T., Grogin, N. A., Hjorth, J., Graur, O., Mobasher, B., Scarlata, C., Weiner, B. J., Faber, S. M., Postman, M. 2011 "Type Ia Supernovae at z>1.5 from the HST Multi-Cycle Treasury Surveys", AAS Meeting 218, #219.01 (ADS).

Dahlen, T. & Mobasher, B. 2011 "A Detailed Study of Photometric Redshifts for Galaxies in the GOODS Fields", AAS Meeting 217, #334.05 (ADS).

Pavlovsky, C. M., Baggett, S., Borders, T., Bushouse, H., Dahlen, T., [11 authors]. 2011 "WFC3 UVIS and IR Flat Fields", AAS Meeting 217, #254.39 (ADS).

Dahlen, T., Strolger L. -G., Riess, A. G. 2010 "Core Collapse Supernova Rates to z~1 from the HST Supernova Search", AAS Meeting 215, #430.23 (ADS).

Strolger L. -G., Dahlen, T., Riess, A. G. 2010 "Empirical Delay Times of Type Ia Supernovae From the GOODS/HST-SN Survey", AAS Meeting 215, #430.13 (ADS).

Dahlen, T., 2009. "Så ska Hubble räddas", Populär Astronomi, årgång 9, nr 1 pdf (in Swedish)).

Koekemoer, A, M., Barker, E., Bergeron, L. E., Dahlen, T., de Jong, R., Grumm, D., Jedrzejewski, R., Laidler, V., Pirzkal, N., Thatte, D., Viana, A., Wiklind, T. 2009 "The NICMOS Legacy Recalibration and Reprocessing Initiative", AAS Meeting 214, #409.21 (ADS).

Dahlen, T., Melinder, J., Mencia Trinchant, L., Mattila, S., Ostlin, G., Franssson, C. 2009 "The Stockholm Vimos Supernova Survey (SVISS) - First Results From An Intermediate Redshift SN Survey", AAS Meeting 213, #603.07 (ADS).

Ferguson, H., [9 authors], Dahlen, T., [45 authors], 2009,"Science Frontiers In Galaxy Evolution: Deep-Wide Surveys", Astro2010: The Astronomy and Astrophysics Decadal Survey, Science White Papers, no. 79 (ADS).

Graham, J. F., Fruchter, A. S., Levan, A. J., Nysewander, M., Tanvir, N. R., Dahlen, T., Bersier, D., Pe'er, A. 2008 "GRB 070714B: Discovery of the Highest Spectroscopically Confirmed Short Burst Redshift", Conference procedings for Gamma Ray Bursts 2007 November 5-9, 2007 Santa Fe, New Mexico (arXiv).

Dahlen, T., Strolger, L. -G., Riess, A. G. 2007 "The Type Ia Supernova Rate to Redshift z=1.6", AAS Meeting 211, #105.13 (ADS).

Graham, J. F., Fruchter, A. S., Levan, A. J., Nysewander, M., Tanvir, N. R., Dahlen, T., Bersier, D., Pe'er, A. 2007 "GRB070714B: host galaxy spectroscopic redshift", GCN, #6836 (GCN Circulars Archive).

Mattila, S., Vaisanen, P., Meikle, P., Dahlen, T., Efstathiou, A., Farrah, D., Fransson, C., Lira, P., Lundqvist, P., Ostlin, G., Ryder, S., Sollerman, J. 2007 "Supernova 2004ip in IRAS 18293-3413 = Psn K0409-001", CBET, 858, 1 (ADS).

de Mello, D. F., Dahlen, T., Gardner, J. P. 2007 "The Nature of Near Ultraviolet Sources in the GOODS Fields", IAUS, 235, 398 (ADS).

Dahlen, T., 2006. "GOODS avslöjar supernovorna", Populär Astronomi, årgång 7, nr 3 pdf (in Swedish)).

Strolger, L.-G., Riess, A.~G., Dahlen, T., 2005. "Probing Acceleration Now with Supernovae: The PANS Higher-z Supernova Survey", in "1604-2004: Supernovae as Cosmological Lighthouses", Padua, June 16-19 2004, eds. Turatto et al., ASP conference Series, Vol 342, p.471 (ADS).

Kretchmer, C., Dickinson, M., Ravindranath, S., Mobasher, B., Dahlen, T., 2004. "Properties of the Most Luminous Galaxies in the `Redshift Desert'", AAS Meeting 205, #163.05 (ADS).

Kowalski, M., Aldering, G., Conley, A., [35 authors], Dahlen, T., [23 authors]. 2004. "A Set of Nearby SNe Ia Lightcurves", AAS Meeting 205, #71.15 (ADS).

de Mello D.F., Gardner J.P., Dahlen T., Conselice C.J., Grogin N.A., Koekemoer A.M., 2004. "The Nature of UV-selected Galaxies in the Chandra Deep Field South", IAUS no. 217, held 14-17 July, 2003 in Sydney, Australia. Edited by P.-A. Duc, J. Braine, and E. Brinks. San Francisco, Astronomical Society of the Pacific, 2004., p.222 (ADS).

Dahlen T., Strolger L.-G., Riess A. G., Mobasher B., Chary R., Conselice C. J., Ferguson, H. C., Fruchter A. S., Giavalisco M., Livio M., Madau P., Panagia N., Tonry, J. L., 2003. "High Redshift Supernova Rates in the GOODS Fields", AAS Meeting, 203, #45.06 (ADS).

Dahlen T., 2003. IAU Circ., 8081, 1 (2003). Edited by Green, D. W. E.: Supernovae 2003az, 2003ba, 2003bb, 2003bc, 2003bd, 2003be (ADS).

Dahlen T., 2003. IAU Circ., 8083, 1 (2003). Edited by Green, D. W. E.: Supernova 2002kl (ADS).

Kretchmer C., Dickinson M., Moustakas L., Mobasher B., Dahlen T., 2003. "Probing the Redshift Desert with GOODS", AAS Meeting 203, #90.07 (ADS).

Strolger L.-G., Riess A., Dahlen T., 2003. "The Hubble Higher-z Supernova Search Project and the Promptness of SNe Ia", AAS Meeting 203, #45.07 (ADS).

Strolger L.-G., Riess A. G., Dahlen T., 2003. "The Great Observatories Origins Deep Survey High Redshift Search for Supernovae", AAS Meeting 202, #25.05 (ADS).

Jogee S., Barden M., Beckwith S., Bell E., Borsch A., Caldwell J., Conselice C., Dahlen T., de Mello D., Hausler B. 2003, "Tidal Interactions, Mergers, and Starburst Activity from Z=0", Maps of the Cosmos, IAU Symp no. 216, held 14-17 July, 2003 in Sydney, Australia (ADS).

Dahlen T., Conselice C., de Mello D., Gardner J. P., Grogin N. A., Idzi R., Jogee S., Lucas R. A., Mobasher B., da Costa L., Arnouts S., Vandame B. 2002, "Luminosity Function for Different Spectral Types of Galaxies in the GOODS Southern Field", AAS Meeting 201, #06.10 (ADS).

Giavalisco M., Riess A., Casertano S., Dahlen T., Dickinson M., Ferguson H., Hook R., Idzi R., Koekemoer A., Mobasher B., Moustakas L.A., Ravindranath S., Strolger L., Tonry J., Challis P. 2002, IAU Circ., 7981, 1 (2002). Edited by Green, D. W. E.: Supernovae 2002ez, 2002fv, 2002fw, 2002fx, 2002fy, 2002fz, 2002ga (ADS).

Lucas R. A., Conselice C., Chatzichristou E., Dahlen T., de Mello D., Gardner J. P., Giavalisco M., Grogin N. A., Hornschemeier A., Jogee S., Koekemoer A. M., Mobasher B., Ravindranath S., Urry C. M. 2002, "Normal Galaxies and Mergers: The Morphological Mix of Galaxies to z 1 From GOODS ACS Imaging of the Chandra Deep Field-South", AAS Meeting 201, #06.13 (ADS)

Dahlén T., Fransson C, Näslund M, 2001. "Population of Cl1601+42 at z = 0.54", in: Cristiani S., Renzini A., Williams R.E., eds., Deep Fields: Proceedings of the ESO Workshop Held at Garching, Germany, 9-12 October 2000, Springer, p. 206 (postscript , pdf) (conference poster).

Regnault N., Aldering G., Blanc G., Conley A., Dahlen T., [34 authors], 2001, "A New Set of Nearby SNe Ia Lightcurves", AAS Meeting #199, 84.02 (ADS).

Garavini G., Aldering G., Blanc G., Conley A., Dahlén T., [34 authors], 2001, "Accurate multi-epoch optical spectroscopy of 17 low-z Type Ia Supernovae", AAS Meeting #199, 84.06 (ADS).

Gal-Yam A, Maoz D, Strolger L G, Smith R C, Goobar A, Dahlen T, Hook I, Nugent P E, Phillips M, Lidman C, 1999, IAU Circ., 7130, 1 (1999). Edited by Green, D. W. E.: Supernovae 1999au, 1999av, 1999aw, 1999ax, 1999ay (ADS).

Goobar A, Dahlen T, Hook I, Aldering G, 1999, IAU Circ., 7128, 2 (1999). Edited by Green, D. W. E: Supernovae 1999as and 1999at in Anonymous Galaxies (ADS).

Kim A, Regnault N, Nugent P, Aldering G, Dahlen T, Goobar A, Hook I, 1999, IAU Circ., 7136, 1 (1999). Edited by Green, D. W. E. Supernovae (ADS).

Dahlén T., Fransson C, 1998. "High-z Supernovae with the NGST", in "The Next Generation Space Telescope: Science Drivers and Technological Challenges", 34th Liège Astrophysics Colloquium, June 1998, p. 237 (postscript , pdf).



 

CONTACT:

Address:
Tomas Dahlen
Space Telescope Science Institute
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Phone: (+1) 410 338 5059
Telefax: (+1) 410 338 4767

e-mail: dahlen@stsci.edu


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This page was updated April 11, 2012