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
S20251004S0025.fits [A] [L] GS-2025B-DD-106-21-001 2025-10-03 23:28:33 GMOS-S science OBJECT ns-target g 2x2 30.00 Usable
Proprietary
S20251004S0026.fits [A] GS-2025B-DD-106-21-002 2025-10-03 23:29:46 GMOS-S science OBJECT ns-target r 2x2 30.00 Usable
Proprietary
S20251004S0029.fits [A] GS-2025B-DD-106-21-005 2025-10-03 23:33:32 GMOS-S science OBJECT ns-target g 2x2 30.00 Usable
Proprietary
S20251004S0030.fits [A] GS-2025B-DD-106-21-006 2025-10-03 23:35:34 GMOS-S science OBJECT ns-target r 2x2 30.00 Usable
Proprietary
S20251004S0033.fits [A] GS-2025B-DD-106-21-009 2025-10-03 23:39:07 GMOS-S science OBJECT ns-target g 2x2 30.00 Usable
Proprietary
S20251004S0034.fits [A] GS-2025B-DD-106-21-010 2025-10-03 23:40:16 GMOS-S science OBJECT ns-target r 2x2 30.00 Usable
Proprietary
S20251004S0035.fits [A] GS-2025B-DD-106-21-011 2025-10-03 23:43:30 GMOS-S science OBJECT ns-target i 2x2 15.00 Usable
Proprietary
S20251004S0036.fits [A] GS-2025B-DD-106-21-012 2025-10-03 23:44:14 GMOS-S science OBJECT ns-target i 2x2 15.00 Usable
Proprietary
S20251004S0037.fits [A] GS-2025B-DD-106-21-013 2025-10-03 23:45:08 GMOS-S science OBJECT ns-target z 2x2 15.00 Usable
Proprietary
S20251004S0038.fits [A] GS-2025B-DD-106-21-014 2025-10-03 23:45:52 GMOS-S science OBJECT ns-target z 2x2 15.00 Usable
Proprietary
S20251004S0039.fits [A] GS-2025B-DD-106-21-015 2025-10-03 23:46:52 GMOS-S science OBJECT ns-target g 2x2 30.00 Usable
Proprietary
S20251004S0040.fits [A] GS-2025B-DD-106-21-016 2025-10-03 23:48:01 GMOS-S science OBJECT ns-target r 2x2 30.00 Usable
Proprietary
S20251004S0041.fits [A] GS-2025B-DD-106-21-017 2025-10-03 23:49:10 GMOS-S science OBJECT ns-target i 2x2 15.00 Usable
Proprietary
S20251004S0042.fits [A] GS-2025B-DD-106-21-018 2025-10-03 23:49:55 GMOS-S science OBJECT ns-target i 2x2 15.00 Usable
Proprietary
S20251004S0043.fits [A] GS-2025B-DD-106-21-019 2025-10-03 23:50:49 GMOS-S science OBJECT ns-target z 2x2 15.00 Usable
Proprietary
S20251004S0044.fits [A] [L] GS-2025B-DD-106-21-020 2025-10-03 23:51:33 GMOS-S science OBJECT ns-target z 2x2 15.00 Usable
Proprietary
S20251004S0045.fits [A] [L] GS-2025B-DD-106-24-001 2025-10-03 23:52:55 GMOS-S science OBJECT ns-target g 2x2 30.00 Usable
Proprietary
S20251004S0046.fits [A] GS-2025B-DD-106-24-002 2025-10-03 23:54:03 GMOS-S science OBJECT ns-target r 2x2 30.00 Usable
Proprietary
S20251004S0047.fits [A] GS-2025B-DD-106-24-003 2025-10-03 23:55:13 GMOS-S science OBJECT ns-target i 2x2 15.00 Usable
Proprietary
S20251004S0048.fits [A] GS-2025B-DD-106-24-004 2025-10-03 23:55:56 GMOS-S science OBJECT ns-target i 2x2 15.00 Usable
Proprietary
S20251004S0049.fits [A] GS-2025B-DD-106-24-005 2025-10-03 23:56:50 GMOS-S science OBJECT ns-target z 2x2 15.00 Usable
Proprietary
S20251004S0050.fits [A] GS-2025B-DD-106-24-006 2025-10-03 23:57:34 GMOS-S science OBJECT ns-target z 2x2 15.00 Usable
Proprietary
S20251004S0051.fits [A] GS-2025B-DD-106-24-007 2025-10-03 23:58:38 GMOS-S science OBJECT ns-target g 2x2 30.00 Usable
Proprietary
S20251004S0052.fits [A] GS-2025B-DD-106-24-008 2025-10-03 23:59:47 GMOS-S science OBJECT ns-target r 2x2 30.00 Usable
Proprietary
S20251004S0053.fits [A] GS-2025B-DD-106-24-009 2025-10-04 00:00:56 GMOS-S science OBJECT ns-target i 2x2 15.00 Usable
Proprietary
S20251004S0054.fits [A] GS-2025B-DD-106-24-010 2025-10-04 00:01:40 GMOS-S science OBJECT ns-target i 2x2 15.00 Usable
Proprietary
S20251004S0055.fits [A] GS-2025B-DD-106-24-011 2025-10-04 00:02:34 GMOS-S science OBJECT ns-target z 2x2 15.00 Usable
Proprietary
S20251004S0056.fits [A] GS-2025B-DD-106-24-012 2025-10-04 00:03:18 GMOS-S science OBJECT ns-target z 2x2 15.00 Usable
Proprietary
S20251004S0057.fits [A] GS-2025B-DD-106-24-013 2025-10-04 00:04:18 GMOS-S science OBJECT ns-target g 2x2 30.00 Usable
Proprietary
S20251004S0058.fits [A] GS-2025B-DD-106-24-014 2025-10-04 00:05:27 GMOS-S science OBJECT ns-target r 2x2 30.00 Usable
Proprietary
S20251004S0059.fits [A] GS-2025B-DD-106-24-015 2025-10-04 00:06:36 GMOS-S science OBJECT ns-target i 2x2 15.00 Usable
Proprietary
S20251004S0060.fits [A] GS-2025B-DD-106-24-016 2025-10-04 00:07:20 GMOS-S science OBJECT ns-target i 2x2 15.00 Usable
Proprietary
S20251004S0061.fits [A] GS-2025B-DD-106-24-017 2025-10-04 00:08:13 GMOS-S science OBJECT ns-target z 2x2 15.00 Usable
Proprietary
S20251004S0062.fits [A] GS-2025B-DD-106-24-018 2025-10-04 00:08:57 GMOS-S science OBJECT ns-target z 2x2 15.00 Usable
Proprietary
S20251004S0063.fits [A] GS-2025B-DD-106-24-019 2025-10-04 00:09:57 GMOS-S science OBJECT ns-target g 2x2 30.00 Usable
Proprietary
S20251004S0064.fits [A] GS-2025B-DD-106-24-020 2025-10-04 00:11:06 GMOS-S science OBJECT ns-target r 2x2 30.00 Usable
Proprietary
S20251004S0065.fits [A] GS-2025B-DD-106-24-021 2025-10-04 00:12:15 GMOS-S science OBJECT ns-target i 2x2 15.00 Usable
Proprietary
S20251004S0066.fits [A] GS-2025B-DD-106-24-022 2025-10-04 00:12:59 GMOS-S science OBJECT ns-target i 2x2 15.00 Usable
Proprietary
S20251004S0067.fits [A] GS-2025B-DD-106-24-023 2025-10-04 00:13:53 GMOS-S science OBJECT ns-target z 2x2 15.00 Usable
Proprietary
S20251004S0068.fits [A] GS-2025B-DD-106-24-024 2025-10-04 00:14:37 GMOS-S science OBJECT ns-target z 2x2 15.00 Usable
Proprietary
S20251004S0069.fits [A] GS-2025B-DD-106-24-025 2025-10-04 00:15:47 GMOS-S science OBJECT ns-target g 2x2 30.00 Usable
Proprietary
S20251004S0070.fits [A] GS-2025B-DD-106-24-026 2025-10-04 00:16:56 GMOS-S science OBJECT ns-target r 2x2 30.00 Usable
Proprietary
S20251004S0071.fits [A] GS-2025B-DD-106-24-027 2025-10-04 00:18:04 GMOS-S science OBJECT ns-target i 2x2 15.00 Usable
Proprietary
S20251004S0072.fits [A] GS-2025B-DD-106-24-028 2025-10-04 00:18:48 GMOS-S science OBJECT ns-target i 2x2 15.00 Usable
Proprietary
S20251004S0073.fits [A] GS-2025B-DD-106-24-029 2025-10-04 00:19:42 GMOS-S science OBJECT ns-target z 2x2 15.00 Usable
Proprietary
S20251004S0074.fits [A] [L] GS-2025B-DD-106-24-030 2025-10-04 00:20:26 GMOS-S science OBJECT ns-target z 2x2 15.00 Usable
Proprietary
S20251005S0002.fits [A] [L] GS-2025B-DD-106-23-001 2025-10-04 23:40:59 GMOS-S science OBJECT ns-target g 2x2 30.00 Pass
Proprietary
S20251005S0003.fits [A] GS-2025B-DD-106-23-002 2025-10-04 23:42:08 GMOS-S science OBJECT ns-target r 2x2 30.00 Pass
Proprietary
S20251005S0004.fits [A] GS-2025B-DD-106-23-003 2025-10-04 23:43:17 GMOS-S science OBJECT ns-target i 2x2 30.00 Pass
Proprietary
S20251005S0005.fits [A] GS-2025B-DD-106-23-004 2025-10-04 23:44:27 GMOS-S science OBJECT ns-target z 2x2 30.00 Pass
Proprietary
S20251005S0006.fits [A] GS-2025B-DD-106-23-005 2025-10-04 23:45:42 GMOS-S science OBJECT ns-target g 2x2 30.00 Pass
Proprietary
S20251005S0007.fits [A] GS-2025B-DD-106-23-006 2025-10-04 23:46:51 GMOS-S science OBJECT ns-target r 2x2 30.00 Pass
Proprietary
S20251005S0008.fits [A] GS-2025B-DD-106-23-007 2025-10-04 23:48:00 GMOS-S science OBJECT ns-target i 2x2 30.00 Pass
Proprietary
S20251005S0009.fits [A] GS-2025B-DD-106-23-008 2025-10-04 23:49:08 GMOS-S science OBJECT ns-target z 2x2 30.00 Pass
Proprietary
S20251005S0010.fits [A] GS-2025B-DD-106-23-009 2025-10-04 23:50:23 GMOS-S science OBJECT ns-target g 2x2 30.00 Pass
Proprietary
S20251005S0011.fits [A] GS-2025B-DD-106-23-010 2025-10-04 23:51:32 GMOS-S science OBJECT ns-target r 2x2 30.00 Pass
Proprietary
S20251005S0012.fits [A] GS-2025B-DD-106-23-011 2025-10-04 23:52:41 GMOS-S science OBJECT ns-target i 2x2 30.00 Pass
Proprietary
S20251005S0013.fits [A] GS-2025B-DD-106-23-012 2025-10-04 23:53:50 GMOS-S science OBJECT ns-target z 2x2 30.00 Pass
Proprietary
S20251005S0014.fits [A] GS-2025B-DD-106-23-013 2025-10-04 23:55:05 GMOS-S science OBJECT ns-target g 2x2 30.00 Pass
Proprietary
S20251005S0015.fits [A] GS-2025B-DD-106-23-014 2025-10-04 23:56:14 GMOS-S science OBJECT ns-target r 2x2 30.00 Pass
Proprietary
S20251005S0016.fits [A] GS-2025B-DD-106-23-015 2025-10-04 23:57:23 GMOS-S science OBJECT ns-target i 2x2 30.00 Pass
Proprietary
S20251005S0017.fits [A] [L] GS-2025B-DD-106-23-016 2025-10-04 23:58:32 GMOS-S science OBJECT ns-target z 2x2 30.00 Pass
Proprietary
S20251005S0018.fits [A] GS-2025B-DD-106-23-017 2025-10-04 23:59:47 GMOS-S science OBJECT ns-target g 2x2 30.00 Pass
Proprietary
S20251005S0019.fits [A] GS-2025B-DD-106-23-018 2025-10-05 00:00:55 GMOS-S science OBJECT ns-target r 2x2 30.00 Pass
Proprietary
S20251005S0020.fits [A] GS-2025B-DD-106-23-019 2025-10-05 00:02:04 GMOS-S science OBJECT ns-target i 2x2 30.00 Pass
Proprietary
S20251005S0021.fits [A] GS-2025B-DD-106-23-020 2025-10-05 00:03:13 GMOS-S science OBJECT ns-target z 2x2 30.00 Pass
Proprietary
S20251005S0022.fits [A] GS-2025B-DD-106-23-021 2025-10-05 00:04:28 GMOS-S science OBJECT ns-target g 2x2 30.00 Pass
Proprietary
S20251005S0023.fits [A] GS-2025B-DD-106-23-022 2025-10-05 00:05:37 GMOS-S science OBJECT ns-target r 2x2 30.00 Pass
Proprietary
S20251005S0024.fits [A] GS-2025B-DD-106-23-023 2025-10-05 00:06:46 GMOS-S science OBJECT ns-target i 2x2 30.00 Pass
Proprietary
S20251005S0025.fits [A] GS-2025B-DD-106-23-024 2025-10-05 00:07:55 GMOS-S science OBJECT ns-target z 2x2 30.00 Pass
Proprietary
S20251005S0026.fits [A] GS-2025B-DD-106-23-025 2025-10-05 00:09:10 GMOS-S science OBJECT ns-target g 2x2 30.00 Pass
Proprietary
S20251005S0027.fits [A] GS-2025B-DD-106-23-026 2025-10-05 00:10:19 GMOS-S science OBJECT ns-target r 2x2 30.00 Pass
Proprietary
S20251005S0028.fits [A] GS-2025B-DD-106-23-027 2025-10-05 00:11:28 GMOS-S science OBJECT ns-target i 2x2 30.00 Pass
Proprietary
S20251005S0029.fits [A] GS-2025B-DD-106-23-028 2025-10-05 00:12:37 GMOS-S science OBJECT ns-target z 2x2 30.00 Pass
Proprietary
S20251005S0030.fits [A] GS-2025B-DD-106-23-029 2025-10-05 00:13:52 GMOS-S science OBJECT ns-target g 2x2 30.00 Pass
Proprietary
S20251005S0031.fits [A] GS-2025B-DD-106-23-030 2025-10-05 00:15:01 GMOS-S science OBJECT ns-target r 2x2 30.00 Pass
Proprietary
S20251005S0032.fits [A] GS-2025B-DD-106-23-031 2025-10-05 00:16:10 GMOS-S science OBJECT ns-target i 2x2 30.00 Pass
Proprietary
S20251005S0033.fits [A] GS-2025B-DD-106-23-032 2025-10-05 00:17:19 GMOS-S science OBJECT ns-target z 2x2 30.00 Pass
Proprietary
S20251008S0020.fits [A] [L] GS-2025B-DD-106-25-001 2025-10-07 23:33:54 GMOS-S science OBJECT ns-target g 2x2 30.00 Usable
Proprietary
S20251008S0021.fits [A] [L] GS-2025B-DD-106-25-002 2025-10-07 23:35:03 GMOS-S science OBJECT ns-target r 2x2 30.00 Usable
Proprietary
S20251008S0022.fits [A] [L] GS-2025B-DD-106-25-003 2025-10-07 23:37:34 GMOS-S science OBJECT ns-target i 2x2 30.00 Usable
Proprietary
S20251008S0023.fits [A] [L] GS-2025B-DD-106-25-004 2025-10-07 23:38:43 GMOS-S science OBJECT ns-target z 2x2 30.00 Usable
Proprietary
S20251008S0024.fits [A] [L] GS-2025B-DD-106-26-001 2025-10-07 23:41:58 GMOS-S science OBJECT ns-target g 2x2 30.00 Usable
Proprietary
S20251008S0025.fits [A] [L] GS-2025B-DD-106-26-002 2025-10-07 23:44:45 GMOS-S science OBJECT ns-target g 2x2 30.00 Usable
Proprietary
S20251008S0026.fits [A] [L] GS-2025B-DD-106-26-003 2025-10-07 23:46:35 GMOS-S science OBJECT ns-target r 2x2 30.00 Usable
Proprietary
S20251008S0027.fits [A] GS-2025B-DD-106-26-004 2025-10-07 23:49:37 GMOS-S science OBJECT ns-target g 2x2 30.00 CHECK
Proprietary
S20251008S0028.fits [A] GS-2025B-DD-106-26-005 2025-10-07 23:51:00 GMOS-S science OBJECT ns-target r 2x2 30.00 CHECK
Proprietary
S20251008S0029.fits [A] GS-2025B-DD-106-26-006 2025-10-07 23:52:09 GMOS-S science OBJECT ns-target i 2x2 30.00 CHECK
Proprietary
S20251008S0030.fits [A] GS-2025B-DD-106-26-007 2025-10-07 23:53:18 GMOS-S science OBJECT ns-target z 2x2 30.00 CHECK
Proprietary
S20251008S0031.fits [A] GS-2025B-DD-106-26-008 2025-10-07 23:54:33 GMOS-S science OBJECT ns-target g 2x2 30.00 CHECK
Proprietary
S20251008S0032.fits [A] GS-2025B-DD-106-26-009 2025-10-07 23:55:42 GMOS-S science OBJECT ns-target r 2x2 30.00 CHECK
Proprietary
S20251008S0033.fits [A] GS-2025B-DD-106-26-010 2025-10-07 23:56:51 GMOS-S science OBJECT ns-target i 2x2 30.00 CHECK
Proprietary
S20251008S0034.fits [A] GS-2025B-DD-106-26-011 2025-10-07 23:58:00 GMOS-S science OBJECT ns-target z 2x2 30.00 CHECK

Finding Associated Calibrations... This can take several seconds depending on the size of your calibration association search...
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