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 or reduced data, or for raw data only.


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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 ExpT QA
N20230929S0097.fits [A] [L] GN-2023B-Q-304-29-001 2023-09-29 09:31:39 GMOS-N acqCal OBJECT BD+28 4211 g 2.00 Usable
N20230929S0098.fits [A] GN-2023B-Q-304-29-002 2023-09-29 09:33:10 GMOS-N acqCal OBJECT BD+28 4211 g 20.00 Usable
N20230929S0099.fits [A] [L] GN-2023B-Q-304-11-003 2023-09-29 09:35:31 GMOS-N acqCal OBJECT BD+28 4211 g 2.00 Usable
N20230929S0100.fits [A] GN-2023B-Q-304-11-004 2023-09-29 09:35:53 GMOS-N acqCal OBJECT BD+28 4211 g 2.00 Usable
N20230929S0101.fits [A] [L] GN-2023B-Q-304-50-001 2023-09-29 09:37:40 GMOS-N acqCal OBJECT BD+28 4211 g 2.00 Usable
N20230929S0102.fits [A] [L] GN-2023B-Q-304-50-002 2023-09-29 09:39:06 GMOS-N acqCal OBJECT BD+28 4211 g 20.00 Usable
N20230929S0103.fits [A] GN-2023B-Q-304-50-003 2023-09-29 09:40:41 GMOS-N acqCal OBJECT BD+28 4211 g 2.00 Usable
N20230929S0104.fits [A] [L] GN-2023B-Q-304-12-001 2023-09-29 09:42:45 GMOS-N partnerCal OBJECT BD+28 4211 B1200 : 0.480 60.00 Usable
N20230929S0105.fits [A] [L] GN-2023B-Q-304-49-001 2023-09-29 09:53:51 GMOS-N acqCal OBJECT GD 803 g 2.00 Pass
N20230929S0106.fits [A] GN-2023B-Q-304-49-002 2023-09-29 09:55:19 GMOS-N acqCal OBJECT GD 803 g 20.00 Pass
N20230929S0107.fits [A] GN-2023B-Q-304-49-003 2023-09-29 09:56:41 GMOS-N acqCal OBJECT GD 803 g 2.00 Pass
N20230929S0108.fits [A] GN-2023B-Q-304-30-001 2023-09-29 09:59:15 GMOS-N science OBJECT GD 803 B1200 : 0.480 600.00 Pass
N20230929S0109.fits [A] GN-2023B-Q-304-30-002 2023-09-29 10:09:49 GMOS-N partnerCal FLAT GCALflat B1200 : 0.480 6.00 Pass
N20230929S0110.fits [A] GN-2023B-Q-304-30-003 2023-09-29 10:10:18 GMOS-N partnerCal ARC CuAr B1200 : 0.480 40.00 Pass
N20230929S0111.fits [A] GN-2023B-Q-304-30-004 2023-09-29 10:11:31 GMOS-N science OBJECT GD 803 B1200 : 0.480 600.00 Pass
N20230929S0179.fits [A] [L] GN-2023B-Q-304-15-001 2023-09-29 12:31:21 GMOS-N acqCal OBJECT GD 803 g 2.00 Pass
N20230929S0180.fits [A] GN-2023B-Q-304-15-002 2023-09-29 12:32:47 GMOS-N acqCal OBJECT GD 803 g 20.00 Pass
N20230929S0181.fits [A] GN-2023B-Q-304-15-003 2023-09-29 12:34:17 GMOS-N acqCal OBJECT GD 803 g 2.00 Pass
N20230929S0182.fits [A] GN-2023B-Q-304-16-001 2023-09-29 12:36:21 GMOS-N science OBJECT GD 803 B1200 : 0.480 600.00 Pass
N20230929S0183.fits [A] GN-2023B-Q-304-16-002 2023-09-29 12:46:55 GMOS-N partnerCal FLAT GCALflat B1200 : 0.480 6.00 Pass
N20230929S0184.fits [A] GN-2023B-Q-304-16-003 2023-09-29 12:47:24 GMOS-N partnerCal ARC CuAr B1200 : 0.480 40.00 Pass
N20230929S0185.fits [A] GN-2023B-Q-304-16-004 2023-09-29 12:48:39 GMOS-N science OBJECT GD 803 B1200 : 0.480 600.00 Pass
N20230929S0262.fits [A] [L] GN-2023B-Q-304-43-001 2023-09-29 14:49:25 GMOS-N acqCal OBJECT SDSS J075... g 2.00 Pass
N20230929S0263.fits [A] GN-2023B-Q-304-43-002 2023-09-29 14:50:50 GMOS-N acqCal OBJECT SDSS J075... g 20.00 Pass
N20230929S0264.fits [A] GN-2023B-Q-304-43-003 2023-09-29 14:52:31 GMOS-N acqCal OBJECT SDSS J075... g 2.00 Pass
N20230929S0265.fits [A] GN-2023B-Q-304-44-001 2023-09-29 14:54:23 GMOS-N science OBJECT SDSS J075... B1200 : 0.480 900.00 Pass
N20230929S0266.fits [A] GN-2023B-Q-304-44-002 2023-09-29 15:09:56 GMOS-N partnerCal FLAT GCALflat B1200 : 0.480 6.00 Pass
N20230929S0267.fits [A] GN-2023B-Q-304-44-003 2023-09-29 15:10:24 GMOS-N partnerCal ARC CuAr B1200 : 0.480 40.00 Pass
N20230929S0268.fits [A] GN-2023B-Q-304-44-004 2023-09-29 15:11:37 GMOS-N science OBJECT SDSS J075... B1200 : 0.480 900.00 Pass
N20230929S0277.fits [A] GN-2023B-Q-304-13-001 2023-09-29 15:38:24 GMOS-N dayCal ARC CuAr ⚓↑ B1200 : 0.480 40.00 Undefined
N20231003S0024.fits [A] GN-2023B-Q-304-19-001 2023-10-03 07:15:24 GMOS-N acqCal OBJECT GD 803 g 2.00 Pass
N20231003S0025.fits [A] GN-2023B-Q-304-19-002 2023-10-03 07:16:55 GMOS-N acqCal OBJECT GD 803 g 20.00 Pass
N20231003S0026.fits [A] GN-2023B-Q-304-19-003 2023-10-03 07:18:47 GMOS-N acqCal OBJECT GD 803 g 2.00 Pass
N20231003S0027.fits [A] GN-2023B-Q-304-20-001 2023-10-03 07:20:50 GMOS-N science OBJECT GD 803 B1200 : 0.480 600.00 Pass
N20231003S0028.fits [A] GN-2023B-Q-304-20-002 2023-10-03 07:31:24 GMOS-N partnerCal FLAT GCALflat B1200 : 0.480 6.00 Pass
N20231003S0029.fits [A] GN-2023B-Q-304-20-003 2023-10-03 07:31:53 GMOS-N partnerCal ARC CuAr B1200 : 0.480 40.00 Pass
N20231003S0030.fits [A] GN-2023B-Q-304-20-004 2023-10-03 07:33:06 GMOS-N science OBJECT GD 803 B1200 : 0.480 600.00 Pass
N20231015S0058.fits [A] [L] GN-2023B-Q-304-51-001 2023-10-15 15:17:35 GMOS-N acqCal OBJECT G191B2B g 2.00 Usable
N20231015S0059.fits [A] GN-2023B-Q-304-51-002 2023-10-15 15:19:08 GMOS-N acqCal OBJECT G191B2B g 20.00 Usable
N20231015S0060.fits [A] GN-2023B-Q-304-51-003 2023-10-15 15:20:37 GMOS-N acqCal OBJECT G191B2B g 2.00 Usable
N20231119S0234.fits [A] GN-2023B-Q-304-52-001 2023-11-19 15:38:01 GMOS-N acqCal OBJECT G191B2B g 2.00 Usable
N20240124S0094.fits [A] GN-2023B-Q-304-33-001 2024-01-24 07:58:13 GMOS-N acqCal OBJECT SDSS J075... g 2.00 Pass
N20240124S0095.fits [A] [L] GN-2023B-Q-304-33-002 2024-01-24 07:59:45 GMOS-N acqCal OBJECT SDSS J075... g 20.00 Pass
N20240124S0096.fits [A] GN-2023B-Q-304-33-003 2024-01-24 08:01:00 GMOS-N acqCal OBJECT SDSS J075... g 2.00 Pass
Proprietary
N20240124S0097.fits [A] GN-2023B-Q-304-34-001 2024-01-24 08:03:10 GMOS-N science OBJECT SDSS J075... B1200 : 0.480 900.00 Pass
N20240124S0098.fits [A] GN-2023B-Q-304-34-002 2024-01-24 08:18:43 GMOS-N partnerCal FLAT GCALflat B1200 : 0.480 6.00 Pass
N20240124S0099.fits [A] GN-2023B-Q-304-34-003 2024-01-24 08:19:11 GMOS-N partnerCal ARC CuAr B1200 : 0.480 40.00 Pass
Proprietary
N20240124S0100.fits [A] GN-2023B-Q-304-34-004 2024-01-24 08:20:25 GMOS-N science OBJECT SDSS J075... B1200 : 0.480 900.00 Pass
N20240124S0101.fits [A] [L] GN-2023B-Q-304-35-001 2024-01-24 08:39:49 GMOS-N acqCal OBJECT SDSS J075... g 2.00 Pass
N20240124S0102.fits [A] GN-2023B-Q-304-35-002 2024-01-24 08:41:15 GMOS-N acqCal OBJECT SDSS J075... g 20.00 Pass
N20240124S0103.fits [A] GN-2023B-Q-304-35-003 2024-01-24 08:42:37 GMOS-N acqCal OBJECT SDSS J075... g 2.00 Pass
Proprietary
N20240124S0104.fits [A] GN-2023B-Q-304-36-001 2024-01-24 08:44:15 GMOS-N science OBJECT SDSS J075... B1200 : 0.480 900.00 Pass
N20240124S0105.fits [A] GN-2023B-Q-304-36-002 2024-01-24 08:59:48 GMOS-N partnerCal FLAT GCALflat B1200 : 0.480 6.00 Pass
N20240124S0106.fits [A] GN-2023B-Q-304-36-003 2024-01-24 09:00:16 GMOS-N partnerCal ARC CuAr B1200 : 0.480 40.00 Pass
Proprietary
N20240124S0107.fits [A] GN-2023B-Q-304-36-004 2024-01-24 09:01:30 GMOS-N science OBJECT SDSS J075... B1200 : 0.480 900.00 Pass
N20240124S0108.fits [A] [L] GN-2023B-Q-304-47-001 2024-01-24 09:19:33 GMOS-N acqCal OBJECT SDSS J075... g 2.00 Pass
N20240124S0109.fits [A] GN-2023B-Q-304-47-002 2024-01-24 09:20:59 GMOS-N acqCal OBJECT SDSS J075... g 20.00 Pass
N20240124S0110.fits [A] GN-2023B-Q-304-47-003 2024-01-24 09:22:14 GMOS-N acqCal OBJECT SDSS J075... g 2.00 Pass
Proprietary
N20240124S0111.fits [A] GN-2023B-Q-304-48-001 2024-01-24 09:23:49 GMOS-N science OBJECT SDSS J075... B1200 : 0.480 900.00 Pass
N20240124S0112.fits [A] GN-2023B-Q-304-48-002 2024-01-24 09:39:23 GMOS-N partnerCal FLAT GCALflat B1200 : 0.480 6.00 Pass
N20240124S0113.fits [A] GN-2023B-Q-304-48-003 2024-01-24 09:39:51 GMOS-N partnerCal ARC CuAr B1200 : 0.480 40.00 Pass
Proprietary
N20240124S0114.fits [A] GN-2023B-Q-304-48-004 2024-01-24 09:41:04 GMOS-N science OBJECT SDSS J075... B1200 : 0.480 900.00 Pass
N20240124S0115.fits [A] [L] GN-2023B-Q-304-53-001 2024-01-24 10:04:40 GMOS-N acqCal OBJECT G191B2B g 2.00 Pass
N20240124S0116.fits [A] GN-2023B-Q-304-53-002 2024-01-24 10:06:06 GMOS-N acqCal OBJECT G191B2B g 20.00 Pass
N20240124S0117.fits [A] GN-2023B-Q-304-53-003 2024-01-24 10:07:35 GMOS-N acqCal OBJECT G191B2B g 2.00 Pass
N20240124S0118.fits [A] GN-2023B-Q-304-12-002 2024-01-24 10:09:16 GMOS-N partnerCal OBJECT G191B2B B1200 : 0.480 60.00 Pass
N20240124S0119.fits [A] GN-2023B-Q-304-12-003 2024-01-24 10:10:50 GMOS-N partnerCal FLAT GCALflat B1200 : 0.480 6.00 Pass
N20240124S0254.fits [A] GN-2023B-Q-304-54-001 2024-01-24 16:59:47 GMOS-N dayCal ARC CuAr B1200 : 0.480 40.00 Undefined
N20240131S0162.fits [A] GN-2023B-Q-304-14-001 2024-01-31 16:34:09 GMOS-N dayCal OBJECT Twilight B1200 : 0.480 30.00 Pass
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