Dictionary of Nomenclature of Celestial Objects
(Last update: 29-Jul-2022)

Result of query: info cati LQAC 262-014$



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Details on Acronym:   LQAC
   LQAC (Large Quasar Astrometric Catalog) Write:<<LQAC DDD+DDD NNN>> N: 187504+321957+443725+592809 Object:QSO  (SIMBAD class: QSO = Quasar) Note:The Large Quasar Astrometric Catalogue is a compilation of quasars.
An LQAC name is given for each object based on its equatorial coordinates with respect to the ICRS: this number was constructed starting from boxes defined from intervals in degrees both in right ascension and declination. For instance, the quasar named LQAC 200+045 002 is the second one included in the box corresponding to intervals 200°<α<201° and 45°<δ<46°.
The second release (LQAC-2): N=187504 quasars.
The third release (LQAC-3): N=321957 quasars.
The fourth release (LQCA-4): N=443725 quasars.
The fifth release (LQAC-5): N=592809 quasars. Ref:=2012A&A...537A..99S bySOUCHAY J. , ANDREI A.H., BARACHE C., BOUQUILLON S., SUCHET D., TARIS F., PERALTA R. Astron. Astrophys., 537A, 99-99 (2012) The second release of the Large Quasar Astrometric Catalog (LQAC-2). olqac2: <LQAC DDD+DDD NNN> N=187504. Ref:=2015A&A...583A..75S bySOUCHAY J. , ANDREI A.H., BARACHE C., KALEWICZ T., GATTANO C., COELHO B., TARIS F., BOUQUILLON S., BECKER O. Astron. Astrophys., 583A, 75-75 (2015) The third release of the Large Quasar Astrometric Catalog (LQAC-3): a compilation of 321 957 objects. olqac3: <LQAC DDD+DDD NNN> N=321957. Ref:=2018A&A...614A.140G byGATTANO C. , ANDREI A.H., COELHO B., SOUCHAY J., BARACHE C., TARIS F. Astron. Astrophys., 614A, 140-140 (2018) LQAC-4: Fourth release of the Large Quasar Astrometric Catalogue. Compilation of 443 725 objects including cross-identifications with Gaia DR1. olqac4: <LQAC DDD+DDD NNN> N=443725. Ref:=2019A&A...624A.145S bySOUCHAY J. , GATTANO C., ANDREI A.H., SOUAMI D., COELHO B., BARACHE C., TARIS F., SECREST N., BERTHEREAU A. Astron. Astrophys., 624A, 145-145 (2019) LQAC-5: The fifth release of the Large Quasar Astrometric Catalogue. A compilation of 592 809 objects with 398 697 Gaia counterparts. =E=Catalogue in electronic form as <J/A+A/537/A99/> =E=Catalogue in electronic form as <J/A+A/583/A75/> =E=Catalogue in electronic form as <J/A+A/614/A140/> =E=Catalogue in electronic form as <J/A+A/624/A145/> Originof the Acronym: A = Assigned by the author(s)

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