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21. Shakhabazian (Shk) Compact Groups of Galaxies: Individual Galaxies Data
ID:
ivo://nasa.heasarc/shkgalaxy
Title:
Shakhabazian (Shk) Compact Groups of Galaxies: Individual Galaxies Data
Short Name:
Shk.(Gal.)
Date:
07 Mar 2025
Publisher:
NASA/GSFC HEASARC
Description:
The largest survey of compact galaxy groups was published by Shakhbazian et al. (the <a href="https://cdsarc.cds.unistra.fr/ftp/cats/VII/89">CDS catalog VII/89</a>, implemented by the HEASARC as the SHK database table). This present catalog provides accurate positions of the individual galaxies in the groups; photometric properties of the Southern sky (delta not greater than +2.5 degrees) are evaluated on the basis of the COSMOS/UKST catalog of the Southern sky. This catalog contains 373 groups; this number differs from the number in Shakhbazian's list (377 groups) by the following: (i) there are no data for groups 001 (already published by other authors), 206 and 241 (could not be re-identified), 252 (this is identical with 214), 301 and 353 (could not be re-identified); (ii) Group 328 was published twice (in North and South); and (iii) Group 340 was divided in two parts (340 and 340a), according to Bettoni and Fasano ([BF95]=1995AJ....109...32B). This HEASARC version of the catalog contains a total of 3435 individual galaxies identified as members of the compact groups, 2574 from the northern part of this survey (taken from the ADS Catalog VII/196 file north.dat), and 861 from the southern part of this survey (extracted from the 10746 entries in the ADS Catalog VII/196 file south.dat by including only entries corresponding to bona fide group members). This database table was created by the HEASARC in June, 2000, based on the <a href="https://cdsarc.cds.unistra.fr/ftp/cats/VII/196">CDS Catalog VII/196</a> (files north.dat and south.dat). This is a service provided by NASA HEASARC .
22. Sloan Digital Sky Survey Cone Search (Latest Release)
ID:
ivo://sdss.jhu/services/CONE
Title:
Sloan Digital Sky Survey Cone Search (Latest Release)
Short Name:
SDSS-CONE
Date:
05 Feb 2015 21:18:36
Publisher:
The Johns Hopkins University
Description:
The Sloan Digital Sky Survey is a project to survey a 10000 square degree area on the Northern sky over a 5 year period. A dedicated 2.5m telescope is specially designed to take wide field (3 degrees in diameter) images using a 5x6 mosaic of 2048x2048 CCD`s, in five wavelength bands, operating in drift scan mode. The total raw data will exceed 40 TB. A processed subset, of about 1 TB in size, will consist of 1 million spectra, positions and image parameters for over 100 million objects, plus a mini-image centered on each object in every color. The data will be made available to the public after the completion of the survey
23. Sloan Digital Sky Survey (DR5)
ID:
ivo://sdss.jhu/services/DR5CONE
Title:
Sloan Digital Sky Survey (DR5)
Short Name:
SDSS-DR5
Date:
05 Dec 2018 20:08:59
Publisher:
The Johns Hopkins Univer
Description:
The Sloan Digital Sky Survey is a project to survey a 10000 square degree area on the Northern sky over a 5 year period. A dedicated 2.5m telescope is specially designed to take wide field (3 degrees in diameter) images using a 5x6 mosaic of 2048x2048 CCD`s, in five wavelength bands, operating in drift scan mode. The total raw data will exceed 40 TB. A processed subset, of about 1 TB in size, will consist of 1 million spectra, positions and image parameters for over 100 million objects, plus a mini-image centered on each object in every color. The data will be made available to the public after the completion of the survey
24. Sloan Digital Sky Survey (DR9)
ID:
ivo://sdss.jhu/services/DR9CONE
Title:
Sloan Digital Sky Survey (DR9)
Short Name:
SDSS-DR9
Date:
05 Feb 2015 20:33:12
Publisher:
The Johns Hopkins University
Description:
The Sloan Digital Sky Survey is a project to survey a 10000 square degree area on the Northern sky over a 5 year period. A dedicated 2.5m telescope is specially designed to take wide field (3 degrees in diameter) images using a 5x6 mosaic of 2048x2048 CCD`s, in five wavelength bands, operating in drift scan mode. The total raw data will exceed 40 TB. A processed subset, of about 1 TB in size, will consist of 1 million spectra, positions and image parameters for over 100 million objects, plus a mini-image centered on each object in every color. The data will be made available to the public after the completion of the survey
25. Sloan Digital Sky Survey (DR8)
ID:
ivo://sdss.jhu/services/DR8CONE
Title:
Sloan Digital Sky Survey (DR8)
Short Name:
SDSS-DR8
Date:
05 Feb 2015 20:32:31
Publisher:
The Johns Hopkins University
Description:
The Sloan Digital Sky Survey is a project to survey a 10000 square degree area on the Northern sky over a 5 year period. A dedicated 2.5m telescope is specially designed to take wide field (3 degrees in diameter) images using a 5x6 mosaic of 2048x2048 CCD`s, in five wavelength bands, operating in drift scan mode. The total raw data will exceed 40 TB. A processed subset, of about 1 TB in size, will consist of 1 million spectra, positions and image parameters for over 100 million objects, plus a mini-image centered on each object in every color. The data will be made available to the public after the completion of the survey
26. Sloan Digital Sky Survey (DR7)
ID:
ivo://sdss.jhu/services/DR7CONE
Title:
Sloan Digital Sky Survey (DR7)
Short Name:
SDSS-DR7
Date:
05 Feb 2015 20:31:02
Publisher:
The Johns Hopkins University
Description:
The Sloan Digital Sky Survey is a project to survey a 10000 square degree area on the Northern sky over a 5 year period. A dedicated 2.5m telescope is specially designed to take wide field (3 degrees in diameter) images using a 5x6 mosaic of 2048x2048 CCD`s, in five wavelength bands, operating in drift scan mode. The total raw data will exceed 40 TB. A processed subset, of about 1 TB in size, will consist of 1 million spectra, positions and image parameters for over 100 million objects, plus a mini-image centered on each object in every color. The data will be made available to the public after the completion of the survey
27. Sloan Digital Sky Survey (DR3)
ID:
ivo://sdss.jhu/services/DR3CONE
Title:
Sloan Digital Sky Survey (DR3)
Short Name:
SDSS-DR3
Date:
14 Sep 2011 18:12:21
Publisher:
The Johns Hopkins Univer
Description:
The Sloan Digital Sky Survey is a project to survey a 10000 square degree area on the Northern sky over a 5 year period. A dedicated 2.5m telescope is specially designed to take wide field (3 degrees in diameter) images using a 5x6 mosaic of 2048x2048 CCD`s, in five wavelength bands, operating in drift scan mode. The total raw data will exceed 40 TB. A processed subset, of about 1 TB in size, will consist of 1 million spectra, positions and image parameters for over 100 million objects, plus a mini-image centered on each object in every color. The data will be made available to the public after the completion of the survey
28. Sloan Digitized Sky Survey(DR4)
ID:
ivo://sdss.jhu/services/DR4CONE
Title:
Sloan Digitized Sky Survey(DR4)
Short Name:
SDSS-DR4
Date:
05 Dec 2018 20:08:39
Publisher:
The Johns Hopkins Univer
Description:
The Sloan Digital Sky Survey is a project to survey a 10000 square degree area on the Northern sky over a 5 year period. A dedicated 2.5m telescope is specially designed to take wide field (3 degrees in diameter) images using a 5x6 mosaic of 2048x2048 CCD`s, in five wavelength bands, operating in drift scan mode. The total raw data will exceed 40 TB. A processed subset, of about 1 TB in size, will consist of 1 million spectra, positions and image parameters for over 100 million objects, plus a mini-image centered on each object in every color. The data will be made available to the public after the completion of the survey
29. Sloan Digitized Sky Survey(DR1)
ID:
ivo://sdss.jhu/services/DR1CONE
Title:
Sloan Digitized Sky Survey(DR1)
Short Name:
SDSS-DR1
Date:
14 Sep 2011 18:11:54
Publisher:
The Johns Hopkins Univer
Description:
The Sloan Digital Sky Survey is a project to survey a 10000 square degree area on the Northern sky over a 5 year period. A dedicated 2.5m telescope is specially designed to take wide field (3 degrees in diameter) images using a 5x6 mosaic of 2048x2048 CCD`s, in five wavelength bands, operating in drift scan mode. The total raw data will exceed 40 TB. A processed subset, of about 1 TB in size, will consist of 1 million spectra, positions and image parameters for over 100 million objects, plus a mini-image centered on each object in every color. The data will be made available to the public after the completion of the survey
30. Sloan Digitized Sky Survey(DR2)
ID:
ivo://sdss.jhu/services/DR2CONE
Title:
Sloan Digitized Sky Survey(DR2)
Short Name:
SDSS-DR2
Date:
14 Sep 2011 17:51:43
Publisher:
The Johns Hopkins University
Description:
The Sloan Digital Sky Survey is a project to survey a 10000 square degree area on the Northern sky over a 5 year period. A dedicated 2.5m telescope is specially designed to take wide field (3 degrees in diameter) images using a 5x6 mosaic of 2048x2048 CCD`s, in five wavelength bands, operating in drift scan mode. The total raw data will exceed 40 TB. A processed subset, of about 1 TB in size, will consist of 1 million spectra, positions and image parameters for over 100 million objects, plus a mini-image centered on each object in every color. The data will be made available to the public after the completion of the survey

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