Gemini Observatory Archive
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(no punctuation; separate with spaces) Matches all words. Write !word to reject results that contain it
(no punctuation; separate with spaces) Text search the program Title. Matches all words. Write !word to reject results that contain it
(bibliography code of related publication) Search for data related to a publication by it's bibliography code.
(Name of Target) Enter a target name here. If you don't Resolve the target name into a co-ordinate search, this will do a search on the target name as specified in the phase-II. Be aware that observers sometimes use a different target name to what you expect - this is only really useful if you set up the Phase-II, or otherwise know exactly what target name was used. If you set a Name Resolver and click resolve, we will fetch co-ordinates of your target from the resolver specified and then the search will disregard the target name and search only by co-ordinates. Note that the name resolvers will not work solar system bodies.

Searches on the target name are not case sensitive, and you can use the * character as a wildcard - for example mrk* will find e.g. Mrk42, and *io* will find e.g. Io, Io.eph, Orion, etc.

(Name Resolver) Choose a Name Resolver and click the resolve button to attempt to find the co-ordinates of your named source. If the form has both a target name and co-ordinates, the search will disregard the target name. Note: The name resolvers will only work for objects outside the solar system, there's no capability for meaningful use with moving objects, for example planets.
(HH:MM:SS.ss or decimal degrees) Right Ascension. You can use HH:MM:SS[.ss...] or decimal degrees. In either case you can specify a single value or a range, eg 11:22:33 - 12:34:56. If you enter a single value, also see the Search Radius field.
([+-]DD:MM:SS.ss or decimal degrees) Declination. You can use [+|-]DD:MM:SS[.ss...] or decimal degrees. In either case you can specify a single value or a range, eg 11:22:33 - 12:34:56 or -65:43:21 - -12:34:56. If you enter a single value, also see the Search Radius field.
(arcsecs or decimal degrees) Search radius in arcseconds, unless you specify "d" or "degs" to make it decimal degrees. i.e. 180 means 180 arcseconds, 10degs or 10d means 10 degrees.
If RA and/or dec has been given as a single value (as opposed to a range), this specifies the size of the box around it to search. This is actually a simple search in a square box (in the tangent plane), not a true cone search. Strange things may happen near the poles.

(click to show / hide) Click where it says "Advanced Options" to show or hide the advanced options. (click to show / hide) Click where it says "Column Selection" to show or hide the panel that lets you choose the columns to be shown in the results. You need to click on 'Search' to apply the changes
(or Obs. ID / Data Label. Exact Match) You can put a program ID, Observation ID or Data Label into this box. The search will be for an exact match to what you put in, substring type matches are not provided. Example: GN-2001A-Q-1
(YYYYMMDD or start - end) You can specify 1) an individual date in the form YYYYMMDD, 2) a date range in the form yyyymmdd-YYYYMMDD, or 3) a date-time range in the form yyyymmddThhmmss[.s...]-YYYYMMDDTHHMMSS[.S...]. Examples: 20101231 or 20100101 - 20100131 or 20101122T012345-20101231T231234. You can also specify whether to search strictly on UTC date (note tha Gemini South observing nights span two UTC dates) or on Observing Night, which will use the traditional Gemini scheme of labelling observing nights by the UTC date at the start of the night with a 1400 (+- daylight savings in Chile) local time date rollover.
(Select GMOS for GMOS-N and GMOS-S) Select the instrument you are looking for data from.
(help) Select an Observation Class here, or set it to Any to not search by Observation Class.
(help) Select an Observation Type here, or set it to Any to not search by Observation Type.
(Imaging / Spectroscopy etc) Select Imaging or various Spectroscopy modes here. Spectroscopy implies all spectroscopic modes. Note that not all instruments support all these modes, such searches will return no results.
(help) Select data did or did not use Adaptive Optics, or that used specifically LGS or NGS AO.
(Processing status of data) Reduced data in the archive can have different reduction status. Select here if you would like to search for a particular type of reduced data, or for raw data only.
(Processing Tag) Reduced data in the archive is tagged by processing batch. Select here if you would like to search for a particular set of reduced data. This list populates from the current search results.


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Key: [P]: Preview an image of the data in your browser. [H]: Provenance and History. [D]: Download that one file. [A]: Program Abstract and PI / Co-I details. [L]: observing Log entries. Use the check-boxes to select a subset of the results to download, or if available a download all link is at the end of the table. Click the filename to see the full header in a new tab. Click anything else to add that to your search criteria. You can also save these results as JSON.

Download Filename Data Label UT Date Time Inst Class Type Object WaveBand Binning ExpT QA
Proprietary
S20250805S0094.fits [A] GS-2025B-Q-101-29-001 2025-08-05 09:16:31 GMOS-S science OBJECT IC 1660 r 2x2 30.00 Pass
Proprietary
S20250805S0095.fits [A] GS-2025B-Q-101-29-002 2025-08-05 09:17:58 GMOS-S science OBJECT IC 1660 r 2x2 30.00 Pass
Proprietary
S20250805S0096.fits [A] GS-2025B-Q-101-29-003 2025-08-05 09:19:04 GMOS-S science OBJECT IC 1660 r 2x2 30.00 Pass
Proprietary
S20250805S0097.fits [A] GS-2025B-Q-101-29-004 2025-08-05 09:20:14 GMOS-S science OBJECT IC 1660 r 2x2 30.00 Pass
Proprietary
S20250805S0098.fits [A] GS-2025B-Q-101-69-001 2025-08-05 09:28:06 GMOS-S science OBJECT IC 1655 r 2x2 30.00 Pass
Proprietary
S20250805S0099.fits [A] GS-2025B-Q-101-69-002 2025-08-05 09:29:10 GMOS-S science OBJECT IC 1655 r 2x2 30.00 Pass
Proprietary
S20250805S0100.fits [A] GS-2025B-Q-101-69-003 2025-08-05 09:30:16 GMOS-S science OBJECT IC 1655 r 2x2 30.00 Pass
Proprietary
S20250805S0101.fits [A] GS-2025B-Q-101-69-004 2025-08-05 09:31:20 GMOS-S science OBJECT IC 1655 r 2x2 30.00 Pass
Proprietary
S20250805S0102.fits [A] [L] GS-2025B-Q-101-74-001 2025-08-05 09:40:04 GMOS-S science OBJECT HW 64 r 2x2 30.00 Usable
Proprietary
S20250806S0104.fits [A] [L] GS-2025B-Q-101-74-002 2025-08-06 09:37:24 GMOS-S science OBJECT HW 64 r 2x2 30.00 Usable
Proprietary
S20250806S0105.fits [A] [L] GS-2025B-Q-101-74-003 2025-08-06 09:44:52 GMOS-S science OBJECT HW 64 r 2x2 30.00 Usable
Proprietary
mrgS20250806S0106_add.fits GS-2025B-Q-101-74-004-MRG-ADD 2025-08-06 09:50:24 GMOS-S science OBJECT HW 64 r 2x2 30.00 Pass
Proprietary
S20250806S0106.fits [A] GS-2025B-Q-101-74-004 2025-08-06 09:50:24 GMOS-S science OBJECT HW 64 r 2x2 30.00 Pass
Proprietary
S20250806S0107.fits [A] GS-2025B-Q-101-74-005 2025-08-06 09:51:29 GMOS-S science OBJECT HW 64 r 2x2 30.00 Pass
Proprietary
S20250806S0108.fits [A] GS-2025B-Q-101-74-006 2025-08-06 09:52:34 GMOS-S science OBJECT HW 64 r 2x2 30.00 Pass
Proprietary
S20250806S0109.fits [A] GS-2025B-Q-101-74-007 2025-08-06 09:53:38 GMOS-S science OBJECT HW 64 r 2x2 30.00 Pass
Proprietary
GS2025BQ101-02.fits GS2025BQ101-02 2025-08-29 00:00:00 GMOS-S None MASK IC 1655 Pass
Proprietary
GS2025BQ101-01.fits GS2025BQ101-01 2025-08-29 00:00:00 GMOS-S None MASK IC 1660 Pass
Proprietary
GS2025BQ101-03.fits GS2025BQ101-03 2025-08-29 00:00:00 GMOS-S None MASK HW 64 Pass
S20251002S0213.fits [A] GS-2025B-Q-101-32-001 2025-10-02 14:49:30 GMOS-S dayCal FLAT GCALflat r 1x1 1.00 Pass
S20251002S0214.fits [A] GS-2025B-Q-101-72-001 2025-10-02 14:52:26 GMOS-S dayCal FLAT GCALflat r 1x1 1.00 Pass
S20251005S0001.fits [A] [L] GS-2025B-Q-101-79-001 2025-10-04 23:06:18 GMOS-S dayCal OBJECT Twilight B1200 : 0.520 1x4 30.00 Usable
S20251006S0001.fits [A] GS-2025B-Q-101-73-001 2025-10-05 22:57:31 GMOS-S dayCal OBJECT Twilight B1200 : 0.520 1x4 30.00 Pass
S20251006S0040.fits [A] GS-2025B-Q-101-6-001 2025-10-06 01:41:33 GMOS-S acqCal OBJECT LTT7987 g 1x1 2.00 Pass
S20251006S0041.fits [A] [L] GS-2025B-Q-101-6-002 2025-10-06 01:43:11 GMOS-S acqCal OBJECT LTT7987 g 1x1 20.00 Pass
S20251006S0042.fits [A] GS-2025B-Q-101-6-003 2025-10-06 01:44:34 GMOS-S acqCal OBJECT LTT7987 g 1x1 2.00 Pass
S20251006S0043.fits [A] GS-2025B-Q-101-7-001 2025-10-06 01:46:25 GMOS-S partnerCal OBJECT LTT7987 B1200 : 0.460 1x4 90.00 Pass
S20251006S0044.fits [A] GS-2025B-Q-101-7-002 2025-10-06 01:48:25 GMOS-S partnerCal FLAT GCALflat B1200 : 0.460 1x4 6.00 Pass
S20251006S0045.fits [A] GS-2025B-Q-101-7-003 2025-10-06 01:49:05 GMOS-S partnerCal FLAT GCALflat B1200 : 0.520 1x4 6.00 Pass
S20251006S0046.fits [A] GS-2025B-Q-101-7-004 2025-10-06 01:49:42 GMOS-S partnerCal OBJECT LTT7987 B1200 : 0.520 1x4 90.00 Pass
S20251006S0047.fits [A] GS-2025B-Q-101-7-005 2025-10-06 01:51:46 GMOS-S partnerCal OBJECT LTT7987 B1200 : 0.580 1x4 90.00 Pass
S20251006S0048.fits [A] GS-2025B-Q-101-7-006 2025-10-06 01:53:47 GMOS-S partnerCal FLAT GCALflat B1200 : 0.580 1x4 6.00 Pass
S20251006S0173.fits [A] GS-2025B-Q-101-8-001 2025-10-06 09:38:58 GMOS-S dayCal ARC CuAr B1200 : 0.460 1x4 40.00 Pass
S20251006S0174.fits [A] GS-2025B-Q-101-8-002 2025-10-06 09:40:12 GMOS-S dayCal ARC CuAr B1200 : 0.520 1x4 40.00 Pass
S20251006S0175.fits [A] GS-2025B-Q-101-8-003 2025-10-06 09:41:26 GMOS-S dayCal ARC CuAr B1200 : 0.580 1x4 40.00 Pass
S20251007S0169.fits [A] GS-2025B-Q-101-79-002 2025-10-06 23:06:16 GMOS-S dayCal OBJECT Twilight B1200 : 0.520 1x4 60.00 Pass
Proprietary
S20251011S0033.fits [A] [L] GS-2025B-Q-101-30-001 2025-10-11 04:40:09 GMOS-S acq OBJECT IC 1660 r 2x2 40.00 Pass
Proprietary
S20251011S0034.fits [A] GS-2025B-Q-101-30-002 2025-10-11 04:45:18 GMOS-S acq OBJECT IC 1660 r 1x1 30.00 Usable
Proprietary
S20251011S0035.fits [A] GS-2025B-Q-101-30-003 2025-10-11 04:48:26 GMOS-S acq OBJECT IC 1660 r 1x1 30.00 Pass
Proprietary
S20251011S0036.fits [A] [L] GS-2025B-Q-101-31-001 2025-10-11 04:52:18 GMOS-S science OBJECT IC 1660 B1200 : 0.520 1x4 510.00 Usable
S20251011S0037.fits [A] GS-2025B-Q-101-31-002 2025-10-11 05:01:31 GMOS-S partnerCal FLAT GCALflat B1200 : 0.520 1x4 6.00 Pass
S20251011S0038.fits [A] GS-2025B-Q-101-31-003 2025-10-11 05:02:08 GMOS-S partnerCal ARC CuAr B1200 : 0.520 1x4 40.00 Pass
S20251011S0039.fits [A] GS-2025B-Q-101-31-004 2025-10-11 05:03:34 GMOS-S partnerCal ARC CuAr B1200 : 0.530 1x4 40.00 Pass
S20251011S0040.fits [A] GS-2025B-Q-101-31-005 2025-10-11 05:04:44 GMOS-S partnerCal FLAT GCALflat B1200 : 0.530 1x4 6.00 Pass
Proprietary
S20251011S0041.fits [A] GS-2025B-Q-101-31-006 2025-10-11 05:05:33 GMOS-S science OBJECT IC 1660 B1200 : 0.530 1x4 510.00 Usable
Proprietary
S20251011S0042.fits [A] GS-2025B-Q-101-31-007 2025-10-11 05:16:35 GMOS-S science OBJECT IC 1660 B1200 : 0.540 1x4 510.00 Usable
S20251011S0043.fits [A] GS-2025B-Q-101-31-008 2025-10-11 05:25:48 GMOS-S partnerCal FLAT GCALflat B1200 : 0.540 1x4 6.00 Pass
S20251011S0044.fits [A] [L] GS-2025B-Q-101-31-009 2025-10-11 05:26:22 GMOS-S partnerCal ARC CuAr B1200 : 0.540 1x4 40.00 Pass
Proprietary
S20251012S0041.fits [A] [L] GS-2025B-Q-101-70-001 2025-10-12 04:28:09 GMOS-S acq OBJECT IC 1655 r 2x2 40.00 Usable
Proprietary
S20251012S0042.fits [A] [L] GS-2025B-Q-101-70-002 2025-10-12 04:36:05 GMOS-S acq OBJECT IC 1655 r 1x1 30.00 Usable
Proprietary
S20251012S0043.fits [A] GS-2025B-Q-101-70-003 2025-10-12 04:38:48 GMOS-S acq OBJECT IC 1655 r 1x1 30.00 Usable
Proprietary
S20251012S0044.fits [A] [L] GS-2025B-Q-101-71-001 2025-10-12 04:41:50 GMOS-S science OBJECT IC 1655 B1200 : 0.520 1x4 510.00 Usable
S20251012S0045.fits [A] [L] GS-2025B-Q-101-71-002 2025-10-12 04:51:03 GMOS-S partnerCal FLAT GCALflat B1200 : 0.520 1x4 6.00 Usable
S20251012S0046.fits [A] [L] GS-2025B-Q-101-71-003 2025-10-12 04:51:40 GMOS-S partnerCal ARC CuAr B1200 : 0.520 1x4 40.00 Usable
S20251012S0047.fits [A] GS-2025B-Q-101-71-004 2025-10-12 04:53:06 GMOS-S partnerCal ARC CuAr B1200 : 0.530 1x4 40.00 Usable
S20251012S0048.fits [A] GS-2025B-Q-101-71-005 2025-10-12 04:54:16 GMOS-S partnerCal FLAT GCALflat B1200 : 0.530 1x4 6.00 Usable
Proprietary
S20251012S0049.fits [A] GS-2025B-Q-101-71-006 2025-10-12 04:55:02 GMOS-S science OBJECT IC 1655 B1200 : 0.530 1x4 510.00 Usable
Proprietary
S20251012S0050.fits [A] GS-2025B-Q-101-71-007 2025-10-12 05:04:19 GMOS-S science OBJECT IC 1655 B1200 : 0.540 1x4 510.00 Usable
S20251012S0051.fits [A] GS-2025B-Q-101-71-008 2025-10-12 05:13:32 GMOS-S partnerCal FLAT GCALflat B1200 : 0.540 1x4 6.00 Usable
S20251012S0052.fits [A] [L] GS-2025B-Q-101-71-009 2025-10-12 05:14:08 GMOS-S partnerCal ARC CuAr B1200 : 0.540 1x4 40.00 Usable
Proprietary
S20251013S0101.fits [A] [L] GS-2025B-Q-101-80-001 2025-10-13 06:54:02 GMOS-S acq OBJECT IC 1660 r 2x2 40.00 Pass
Proprietary
S20251013S0102.fits [A] GS-2025B-Q-101-80-002 2025-10-13 06:58:05 GMOS-S acq OBJECT IC 1660 r 1x1 30.00 Pass
Proprietary
S20251013S0103.fits [A] GS-2025B-Q-101-81-001 2025-10-13 07:01:27 GMOS-S science OBJECT IC 1660 B1200 : 0.520 1x4 510.00 Pass
S20251013S0104.fits [A] [L] GS-2025B-Q-101-81-002 2025-10-13 07:10:37 GMOS-S partnerCal FLAT GCALflat B1200 : 0.520 1x4 6.00 Pass
S20251013S0105.fits [A] [L] GS-2025B-Q-101-81-003 2025-10-13 07:11:13 GMOS-S partnerCal ARC CuAr B1200 : 0.520 1x4 40.00 Pass
S20251013S0106.fits [A] [L] GS-2025B-Q-101-81-004 2025-10-13 07:12:40 GMOS-S partnerCal ARC CuAr B1200 : 0.530 1x4 40.00 Pass
S20251013S0107.fits [A] [L] GS-2025B-Q-101-81-005 2025-10-13 07:13:50 GMOS-S partnerCal FLAT GCALflat B1200 : 0.530 1x4 6.00 Pass
Proprietary
S20251013S0108.fits [A] GS-2025B-Q-101-81-006 2025-10-13 07:14:39 GMOS-S science OBJECT IC 1660 B1200 : 0.530 1x4 510.00 Pass
Proprietary
S20251013S0109.fits [A] GS-2025B-Q-101-81-007 2025-10-13 07:23:55 GMOS-S science OBJECT IC 1660 B1200 : 0.540 1x4 510.00 Pass
S20251013S0110.fits [A] [L] GS-2025B-Q-101-81-008 2025-10-13 07:33:09 GMOS-S partnerCal FLAT GCALflat B1200 : 0.540 1x4 6.00 Pass
S20251013S0111.fits [A] [L] GS-2025B-Q-101-81-009 2025-10-13 07:33:45 GMOS-S partnerCal ARC CuAr B1200 : 0.540 1x4 40.00 Pass
S20251013S0232.fits [A] GS-2025B-Q-101-77-001 2025-10-13 13:29:38 GMOS-S dayCal FLAT GCALflat r 1x1 1.00 Pass
Proprietary
S20251019S0020.fits [A] [L] GS-2025B-Q-101-82-001 2025-10-19 06:07:33 GMOS-S acq OBJECT IC 1655 r 2x2 40.00 Pass
Proprietary
S20251019S0021.fits [A] GS-2025B-Q-101-82-002 2025-10-19 06:10:59 GMOS-S acq OBJECT IC 1655 r 1x1 30.00 Pass
Proprietary
S20251019S0022.fits [A] [L] GS-2025B-Q-101-83-001 2025-10-19 06:14:05 GMOS-S science OBJECT IC 1655 B1200 : 0.520 1x4 510.00 Pass
S20251019S0023.fits [A] [L] GS-2025B-Q-101-83-002 2025-10-19 06:23:18 GMOS-S partnerCal FLAT GCALflat B1200 : 0.520 1x4 6.00 Pass
S20251019S0024.fits [A] [L] GS-2025B-Q-101-83-003 2025-10-19 06:23:54 GMOS-S partnerCal ARC CuAr B1200 : 0.520 1x4 40.00 Pass
S20251019S0025.fits [A] [L] GS-2025B-Q-101-83-004 2025-10-19 06:25:21 GMOS-S partnerCal ARC CuAr B1200 : 0.530 1x4 40.00 Pass
S20251019S0026.fits [A] [L] GS-2025B-Q-101-83-005 2025-10-19 06:26:31 GMOS-S partnerCal FLAT GCALflat B1200 : 0.530 1x4 6.00 Pass
Proprietary
S20251019S0027.fits [A] GS-2025B-Q-101-83-006 2025-10-19 06:27:20 GMOS-S science OBJECT IC 1655 B1200 : 0.530 1x4 510.00 Pass
Proprietary
S20251019S0028.fits [A] GS-2025B-Q-101-83-007 2025-10-19 06:36:37 GMOS-S science OBJECT IC 1655 B1200 : 0.540 1x4 510.00 Pass
S20251019S0029.fits [A] [L] GS-2025B-Q-101-83-008 2025-10-19 06:45:49 GMOS-S partnerCal FLAT GCALflat B1200 : 0.540 1x4 6.00 Pass
S20251019S0030.fits [A] [L] GS-2025B-Q-101-83-009 2025-10-19 06:46:25 GMOS-S partnerCal ARC CuAr B1200 : 0.540 1x4 40.00 Pass
S20251020S0011.fits [A] [L] GS-2025B-Q-101-78-001 2025-10-19 23:23:14 GMOS-S dayCal OBJECT Twilight B1200 : 0.520 1x4 360.00 Usable
S20251021S0015.fits [A] [L] GS-2025B-Q-101-78-002 2025-10-20 22:58:28 GMOS-S dayCal OBJECT Twilight B1200 : 0.520 1x4 5.00 Pass
Proprietary
S20251021S0035.fits [A] [L] GS-2025B-Q-101-75-001 2025-10-21 07:15:39 GMOS-S acq OBJECT HW 64 r 2x2 40.00 Pass
Proprietary
S20251021S0036.fits [A] [L] GS-2025B-Q-101-75-002 2025-10-21 07:18:57 GMOS-S acq OBJECT HW 64 r 1x1 30.00 Pass
Proprietary
S20251021S0037.fits [A] GS-2025B-Q-101-75-003 2025-10-21 07:21:07 GMOS-S acq OBJECT HW 64 r 1x1 30.00 Pass
Proprietary
S20251021S0038.fits [A] [L] GS-2025B-Q-101-76-001 2025-10-21 07:24:01 GMOS-S science OBJECT HW 64 B1200 : 0.520 1x4 510.00 Pass
S20251021S0039.fits [A] [L] GS-2025B-Q-101-76-002 2025-10-21 07:33:14 GMOS-S partnerCal FLAT GCALflat B1200 : 0.520 1x4 6.00 Pass
S20251021S0040.fits [A] [L] GS-2025B-Q-101-76-003 2025-10-21 07:33:48 GMOS-S partnerCal ARC CuAr B1200 : 0.520 1x4 40.00 Pass
S20251021S0041.fits [A] [L] GS-2025B-Q-101-76-004 2025-10-21 07:35:15 GMOS-S partnerCal ARC CuAr B1200 : 0.530 1x4 40.00 Pass
S20251021S0042.fits [A] [L] GS-2025B-Q-101-76-005 2025-10-21 07:36:25 GMOS-S partnerCal FLAT GCALflat B1200 : 0.530 1x4 6.00 Pass
Proprietary
S20251021S0043.fits [A] [L] GS-2025B-Q-101-76-006 2025-10-21 07:37:14 GMOS-S science OBJECT HW 64 B1200 : 0.530 1x4 510.00 Pass
Proprietary
S20251021S0044.fits [A] GS-2025B-Q-101-76-007 2025-10-21 07:46:31 GMOS-S science OBJECT HW 64 B1200 : 0.540 1x4 510.00 Pass
S20251021S0045.fits [A] [L] GS-2025B-Q-101-76-008 2025-10-21 07:55:41 GMOS-S partnerCal FLAT GCALflat B1200 : 0.540 1x4 6.00 Pass
S20251021S0046.fits [A] [L] GS-2025B-Q-101-76-009 2025-10-21 07:56:17 GMOS-S partnerCal ARC CuAr B1200 : 0.540 1x4 40.00 Pass
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