0Assigned ID: 911
----- Attempting Submission 1 (Fri Mar 06 23:06:16 GMT 2020) -----
HST Phase I Proposal 911 successfully submitted.
Receipt: # 911-1
----- Attempting Submission 2 (Sat Mar 07 00:49:51 GMT 2020) -----
HST Phase I Proposal 911 successfully submitted.
Receipt: # 911-2
----- Attempting Submission 3 (Sat Mar 07 01:41:16 GMT 2020) -----
HST Phase I Proposal 911 successfully submitted.
Receipt: # 911-3
----- Attempting Submission 4 (Sat Mar 07 04:12:58 GMT 2020) -----
HST Phase I Proposal 911 successfully submitted.
Receipt: # 911-4
----- Attempting Submission 5 (Sat Mar 07 04:19:35 GMT 2020) -----FLASH level may be too low for this exposure or a short subexposure. See extended explanation in the diagnostic browser
FLASH level may be too low for this exposure or a short subexposure. See extended explanation in the diagnostic browser
FLASH level may be too low for this exposure or a short subexposure. See extended explanation in the diagnostic browser
FLASH level may be too low for this exposure or a short subexposure. See extended explanation in the diagnostic browser
FLASH level may be too low for this exposure or a short subexposure. See extended explanation in the diagnostic browser
FLASH level may be too low for this exposure or a short subexposure. See extended explanation in the diagnostic browser
POS TARG & PATTERN should be used carefully with ACS ramp filters as central wavelengths & transmission efficiencies vary within the apertures.
POS TARG & PATTERN should be used carefully with ACS ramp filters as central wavelengths & transmission efficiencies vary within the apertures.
POS TARG & PATTERN should be used carefully with ACS ramp filters as central wavelengths & transmission efficiencies vary within the apertures.
POS TARG & PATTERN should be used carefully with ACS ramp filters as central wavelengths & transmission efficiencies vary within the apertures.
POS TARG & PATTERN should be used carefully with ACS ramp filters as central wavelengths & transmission efficiencies vary within the apertures.
POS TARG & PATTERN should be used carefully with ACS ramp filters as central wavelengths & transmission efficiencies vary within the apertures.
POS TARG & PATTERN should be used carefully with ACS ramp filters as central wavelengths & transmission efficiencies vary within the apertures.
FLASH level may be too low for this exposure or a short subexposure. See extended explanation in the diagnostic browser
FLASH level may be too low for this exposure or a short subexposure. See extended explanation in the diagnostic browser
POS TARG & PATTERN should be used carefully with ACS ramp filters as central wavelengths & transmission efficiencies vary within the apertures.
POS TARG & PATTERN should be used carefully with ACS ramp filters as central wavelengths & transmission efficiencies vary within the apertures.
POS TARG & PATTERN should be used carefully with ACS ramp filters as central wavelengths & transmission efficiencies vary within the apertures.
POS TARG & PATTERN should be used carefully with ACS ramp filters as central wavelengths & transmission efficiencies vary within the apertures.
POS TARG & PATTERN should be used carefully with ACS ramp filters as central wavelengths & transmission efficiencies vary within the apertures.
POS TARG & PATTERN should be used carefully with ACS ramp filters as central wavelengths & transmission efficiencies vary within the apertures.
POS TARG & PATTERN should be used carefully with ACS ramp filters as central wavelengths & transmission efficiencies vary within the apertures.
POS TARG & PATTERN should be used carefully with ACS ramp filters as central wavelengths & transmission efficiencies vary within the apertures.
POS TARG & PATTERN should be used carefully with ACS ramp filters as central wavelengths & transmission efficiencies vary within the apertures.Resubmission following HOPR 92624, repeat of first orbit in visit 29-210515007----- Attempting Submission 2 (Tue Jun 30 18:08:18 GMT 2020) -----
----- Attempting Submission 3 (Mon Jul 13 18:30:08 GMT 2020) -----
----- Attempting Submission 4 (Tue Oct 06 21:47:06 GMT 2020) -----
----- Attempting Submission 5 (Mon Nov 02 22:19:59 GMT 2020) -----
----- Attempting Submission 6 (Wed Jun 09 22:04:15 GMT 2021) -----
Your proposal could not be saved.
Submission aborted.
----- Attempting Submission 7 (Fri Dec 09 14:01:30 GMT 2022) -----
----- Attempting Submission 8 (Sun Sep 17 13:58:12 GMT 2023) -----See last submissionMapping Lyman alpha and ionization in the leakiest galaxiesUnderstanding cosmic reionization, and how galaxies contributed to it, is a very active field in extragalactic research. Since directly detecting the ionizing Lyman continuum (LyC) from galaxies in the epoch of reionization (EoR) is impossible, much attention has been given to the study of the conditions for LyC escape in low redshift (z) analogs with properties akin to those expected for galaxies in the EoR. Recently many LyC leaking galaxies have been identified in the low-z universe with HST/COS, and the strategy of selecting emission line galaxies with high ionization, as revealed by their [OIII]/[OII] ratios, has been particularly successful. The Lyman alpha (Lya) emission line from hydrogen is another vital probe of the high-z universe and is extensively used to find galaxies and determine their redshifts. Being a resonant line, the observability of Lya is very sensitive to the amount of neutral hydrogen in the interstellar medium (ISM) and it has been found that Lya emission is often dominated by large halos, likely formed by resonant scattering.
Here we propose an imaging study of the Lya and ionized gas emission in three low-z galaxies with the highest (38-72%) known LyC escape fractions. We will investigate the existence of Lya halos, and map the ionization structure of the ISM, to investigate conditions for LyC escape and how isotropic it is.
In addition, for the source with highest escape fraction, its slightly higher redshift makes direct imaging of the LyC feasible. This rare opportunity means that the spatial distribution of the ionizing radiation and its escape fraction can be mapped and related to the local ionization level and dust content.ACS/SBC observations: In order to ensure a low detector temperature (and hence accepatble dark current level) throughout each visit, each visit is limited to no more than 2 orbits duration. For the same reasone we ask the schedulers to make sure that the SBC was not used 5 hours prior to each of our SBC visits. For one target (j1243+46) we take observations in F125LP, F140LP, F150LP and F165LP, and for the other two targets we will observe in F140LP and F165LP only. The F165LP observations, which are most sensitive to dark current, are always confined to the first orbit in a visit. The F125LP observations, which are affected by geocoronal emission, are obtained in the parts of orbits when HST is in earth shadow.
WFC3/UVIS: All exposures use post-flash to reach a minimum of 19 e/pix, and are, since the targets are small, to be obtained in the UVIS2-C1K1C aperture in order to limit CTI losses. All exposures are dithered with offsets large enough to mitigate droplets and allow subpixel PSF sampling.
WFC3/IR: these observations are contained in the same visits as UVIS, and employ 4 dithered expoures to sample the PSF, and to mitigate defects and self persistence.
ACS/WFC Ramp observations target the redshifted emission lines [OII]3727, H-beta, [OIII]5007 and H-alpha. Dithers are designed to sample the PSF and mitigate artefacts but kept small due to the limited field of view of the ramp apertures.The team has a long and strong expertise in Lyman alpha and Lyman continuum studies in the low redshift universe using HST. DK has pioneered Lyman alpha studies of local galaxies. MH and GO has developed the methods for continuum subtraction of Lyman alpha with HST/ACS/SBC and have led the LARS and eLARS projects. JM has the main responsibility of finalising the public LARS catalog, which is about to be released, and has developed unique software for PSF matching of HST imaging from different cameras. All the machinery for taking on the proposed dataset is in hand, and two PhD students (AR & AR) are ready for the task.
GO was involved in the first detection of LyC from Haro11, and has led work on other local leakers. DS and AV have been involved in the successful identification of the strongest leakers using the [OIII]/[OII] preselection technique, and they are experts in Lya radiative transfer. JC has made important contributions on ISM absorption lines and the connection to LyC and Lya escape. AA and AB are experts on compact star clusters and the impact of feedback from these on the local ISM.Galaxies6falsefalsetruefalsefalsefalsefalsefalseSUPPORTEDGALAXYSTARBURSTYESThis object was generated by the targetselector and retrieved from the NED database.
z=0.43J2000J2000GALEX FUV = 21.31 mag (AB)GALAXYSTARBURSTYESThis object was generated by the targetselector and retrieved from the NED database.J2000J2000GALEX FUV = 21.66 mag (AB)GALAXYSTARBURSTYESThis object was generated by the targetselector and retrieved from the NED database.J2000J2000GALEX FUV = 21.1 mag (AB)ACS/SBCImagingNoNoF125LPACS/SBCImagingNoNoF140LPACS/SBCImagingNoNoF150LPACS/SBCImagingNoNoF165LPWFC3/UVISImagingNoNoF225WWFC3/UVISImagingNoNoF438WWFC3/UVISImagingNoNoF621MWFC3/UVISImagingNoNoF845MWFC3/IRImagingNoNoF140WACS/WFCRampFilterNoNoFR551NACS/WFCRampFilterNoNoFR716NACS/WFCRampFilterNoNoFR716NACS/WFCRampFilterNoNoFR931NACS/SBCImagingNoNoF140LPACS/SBCImagingNoNoF165LPWFC3/UVISImagingNoNoF225WWFC3/UVISImagingNoNoF438WWFC3/UVISImagingNoNoF621MWFC3/UVISImagingNoNoF775WWFC3/IRImagingNoNoF140WACS/WFCRampFilterNoNoFR551NACS/WFCRampFilterNoNoFR716NACS/WFCRampFilterNoNoFR716NACS/WFCRampFilterNoNoFR931NACS/SBCImagingNoNoF140LPACS/SBCImagingNoNoF165LPWFC3/UVISImagingNoNoF225WWFC3/UVISImagingNoNoF438WWFC3/UVISImagingNoNoF621MWFC3/UVISImagingNoNoF775WWFC3/IRImagingNoNoF140WACS/WFCRampFilterNoNoFR551NACS/WFCRampFilterNoNoFR716NACS/WFCRampFilterNoNoFR716NACS/WFCRampFilterNoNoFR931NTiming link suitability includes constraints ([11 After 10 by 0.2 to 100.0 days])Hst Same orient constraint links visits (10 11 12 13 14)The scheduling data was generated by CASM 30.3.CASM was run in Phase II mode./System/Volumes/Data/solaris/user1/sherwin/16245/OP-cache/16245-v10.xmlMessage to the schedulers: Please make sure that ACS/SBC was not used (and that the high voltage was turned off) during the past 5 hours prior to this visit. This reason for this request is to ensure that the SBC detector is cool at the start of the visit, and to maintain the temperature at <25 C for the duration of the visit, so that the dark current does not ramp up to unacceptable levels.1677864681000230.0(Tic-Visit
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)false20The scheduling data was generated by CASM 28.2.CASM was run in Phase II mode.Message to the schedulers: Please make sure that ACS/SBC was not used (and that the high voltage was turned off) during the past 5 hours prior to this visit. This reason for this request is to ensure that the SBC detector is cool at the start of the visit, and to maintain the temperature at <25 C for the duration of the visit, so that the dark current does not ramp up to unacceptable levels.1620328170000140.0(Tic-Visit
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:date "13-Jul-2020 20:27:34.0"
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:number-of-orbits 2
:saa-model "28"
:si-bright-earth-limb-angle 20.0
:data-volume 74064
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:coron NIL
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(Tic-Obset
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)
(Tic-Orbit
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:orbit-number 1
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:si-vis-utilization 2774
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(Tic-Orbit
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:orbit-number 2
:pcs-time 392
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:internal-dur-at-end 117
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:max-dark-utilization 1920
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)false20The scheduling data was generated by CASM 28.2.CASM was run in Phase II mode.Message to the schedulers: Please make sure that ACS/SBC was not used (and that the high voltage was turned off) during the past 5 hours prior to this visit. This reason for this request is to ensure that the SBC detector is cool at the start of the visit, and to maintain the temperature at <25 C for the duration of the visit, so that the dark current does not ramp up to unacceptable levels.1618709994000140.5(Tic-Visit
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:trans-version "20200518"
:date "13-Jul-2020 20:27:35.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
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:number-of-orbits 1
:saa-model "28"
:si-bright-earth-limb-angle 20.0
:data-volume 18528
:tdrss-contact-duration 0
:coron NIL
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(Tic-Obset
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:obset-id "23"
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(Tic-Orbit
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:pcs-time 383
:si-vis-utilization 2774
:al-overhead-at-end 0
:internal-dur-at-end 57
:dark-offset NIL
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:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3157
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)false10The scheduling data was generated by CASM 28.2.CASM was run in Phase II mode.Message to the schedulers: Please make sure that ACS/SBC was not used (and that the high voltage was turned off) during the past 5 hours prior to this visit. This reason for this request is to ensure that the SBC detector is cool at the start of the visit, and to maintain the temperature at <25 C for the duration of the visit, so that the dark current does not ramp up to unacceptable levels.1640720938000292.0631398594687(Tic-Visit
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:trans-version "20200518"
:date "13-Jul-2020 20:27:36.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
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:number-of-orbits 2
:saa-model "28"
:si-bright-earth-limb-angle 20.0
:data-volume 74064
:tdrss-contact-duration 0
:coron NIL
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(Tic-Obset
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:obset-id "24"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 16245
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:orbit-number 1
:pcs-time 383
:si-vis-utilization 2902
:al-overhead-at-end 0
:internal-dur-at-end 0
:dark-offset NIL
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:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3285
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)
(Tic-Orbit
:proposal-id 16245
:visit-id "24"
:orbit-number 2
:pcs-time 392
:si-vis-utilization 2893
:al-overhead-at-end 0
:internal-dur-at-end 117
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3285
:pcs-gap 0
)false20The scheduling data was generated by CASM 28.2.CASM was run in Phase II mode.Message to the schedulers: Please make sure that ACS/SBC was not used (and that the high voltage was turned off) during the past 5 hours prior to this visit. This reason for this request is to ensure that the SBC detector is cool at the start of the visit, and to maintain the temperature at <25 C for the duration of the visit, so that the dark current does not ramp up to unacceptable levels.1619047523000162.28070909163063(Tic-Visit
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:date "13-Jul-2020 20:27:36.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
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:number-of-orbits 1
:saa-model "28"
:si-bright-earth-limb-angle 20.0
:data-volume 18528
:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 16245
:visit-id "25"
:obset-id "25"
:pcs-mode "FGS"
)
(Tic-Orbit
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:orbit-number 1
:pcs-time 383
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:internal-dur-at-end 57
:dark-offset NIL
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:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3285
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)false10The scheduling data was generated by CASM 30.3.CASM was run in Phase II mode.broad band continuum + OIII + IR
flash levels set to obtain a background of 19-20 e/pix1673981674000278.71662295571673(Tic-Visit
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:trans-version "20220630"
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:number-of-orbits 3
:saa-model "29"
:si-bright-earth-limb-angle 20.0
:data-volume 1556144
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(Tic-Obset
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(Tic-Orbit
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:si-vis-utilization 2774
:al-overhead-at-end 122
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:max-dark-utilization 1920
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(Tic-Orbit
:proposal-id 16245
:visit-id "26"
:orbit-number 2
:pcs-time 392
:si-vis-utilization 2765
:al-overhead-at-end 122
:internal-dur-at-end 0
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
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(Tic-Orbit
:proposal-id 16245
:visit-id "26"
:orbit-number 3
:pcs-time 392
:si-vis-utilization 2765
:al-overhead-at-end 0
:internal-dur-at-end 614
:dark-offset NIL
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:max-dark-utilization 1920
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)true30The scheduling data was generated by CASM 28.2.CASM was run in Phase II mode.broad band continuum + OIII + IR
flash levels set to obtain a background of 19-20 e/pix1644940192000249.39999999999998(Tic-Visit
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(Tic-Obset
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:obset-id "30"
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(Tic-Orbit
:proposal-id 16245
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:si-vis-utilization 2902
:al-overhead-at-end 121
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:dark-utilization 0
:max-dark-utilization 1920
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(Tic-Orbit
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:orbit-number 2
:pcs-time 392
:si-vis-utilization 2893
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:pcs-visibility 3285
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)false30The scheduling data was generated by CASM 30.3.CASM was run in Phase II mode.Ramp filter observations of H-alpha, H-beta and [OII]
No OIII168623650900096.60146466194959(Tic-Visit
:proposal-id 16245
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:proposal-version -1
:trans-version "20220630"
:date "09-Nov-2022 11:18:43.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
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:saa-model "27"
:si-bright-earth-limb-angle 20.0
:data-volume 1705344
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:coron NIL
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(Tic-Obset
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:obset-id "29"
:pcs-mode "FGS"
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(Tic-Orbit
:proposal-id 16245
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:orbit-number 1
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:internal-dur-at-end 0
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(Tic-Orbit
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:dark-offset NIL
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:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3157
:pcs-gap 0
)true20The scheduling data was generated by CASM 31.1.CASM was run in Phase II mode.Ramp filter observations of H-alpha and [OII]
Repeat of first failed orbit in visit 29 following HOPR 92624(Tic-Visit
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:date "17-Sep-2023 15:31:54.0"
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:data-volume 852672
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:coron NIL
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(Tic-Obset
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(Tic-Orbit
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:internal-dur-at-end 347
:dark-offset NIL
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:low-sky "N"
:pcs-visibility 3139
:pcs-gap 0
)false10The scheduling data was generated by CASM 28.2.CASM was run in Phase II mode.Ramp filter observations of H-alpha, H-beta and [OII]
No OIII1607735465000298.8178058405647(Tic-Visit
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:visit-id "28"
:proposal-version -1
:trans-version "20200518"
:date "11-Jul-2020 01:20:38.0"
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:data-volume 1705344
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(Tic-Orbit
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(Tic-Orbit
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:orbit-number 2
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:si-vis-utilization 2893
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:internal-dur-at-end 347
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3285
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)false20ramp filter observations of [OII] and [OIII]1639415905000293.7(Tic-Visit
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:proposal-version -1
:trans-version "20200619"
:date "10-Jun-2021 00:00:23.0"
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:data-volume 852672
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(Tic-Obset
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(Tic-Orbit
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)true10