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Tomas Dahlen 2006 - ESA astronomer at Space Telescope Science Institute, Instruments Division COLLABORATIONS PUBLICATIONS: 
REFEREED PAPERS: 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, in press (astro-ph). Dahlen T., Mobasher, B., Jouvel, S, Kneib, J.-P., Ilbert, O., Arnouts, S., Bernstein, G., Rhodes, J. 2007, "SuperNova Acceleration Probe (SNAP): Investigating Photometric Redshift Optimization", AJ, submitted (astro-ph). 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 (astro-ph). 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 (astro-ph). 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 (astro-ph). Jonsson, J., Dahlen, T., Goobar, A., Mortsell. E., Riess, A. 2007, "Tentative detection of the gravitational magnification of type Ia supernovae", JCAP, 06, 2 (astro-ph). 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 (astro-ph). 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 (astro-ph). 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 (astro-ph). 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 (astro-ph). Gunnarsson C., Dahlen T., Goobar A., Jonsson J., Mortsell E., 2006, "Corrections for gravitational lensing of supernovae: better than average?", ApJ, 640, 417 (astro-ph). Jonsson J., Dahlen T., Goobar A., Gunnarsson C., Mortsell E., Lee K., 2006, "Lensing magnification of supernovae in the GOODS-fields", ApJ, 639, 991 (astro-ph). 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 (astro-ph). 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 (astro-ph). 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.2005 "Spitzer Observations of Massive, Red Galaxies at High Redshift", accepted for publication in ApJ (astro-ph). 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: 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 (astro-ph). 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). 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).
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