Dictionary of Nomenclature of Celestial Objects
(Last update: 22-Mar-2024)

Result of query: info cati CXOM31 JHHMMSS.s+DDMMSS$
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Details on Acronym:   CXOM31
  
CXOM31 (Chandra X-ray Observatory, M 31)
Write:<<CXOM31 JHHMMSS.s+DDMMSS>>
Object:(X)  (SIMBAD class: X = X-ray Source)
Note:Chandra X-ray sources in the central region of M 31.
See also [KGP2002].
There are many Chandra observing programs on M31.
One is a 'monitoring' program surveying M31 about one month.
There are several other deeper, but smaller FOV programs targeting specific sections of the galaxy.
The naming convention is used for the first time in 2002ApJ...577..738.
in source:M 31 = NGC 224
Ref:=2002ApJ...577..738K
byKONG A.K.H. , GARCIA M.R., PRIMINI F.A., MURRAY S.S., DI STEFANO R., McCLINTOCK J.E.
 Astrophys. J., 577, 738-756 (2002)
  X-ray point sources in the central region of M31 as seen by Chandra.
oTable 4: mita NNN = [M93b] NNN in SIMBAD.
oTable 2, col(1): <[KGP2002] rN-NNN> (Nos r1-1 to r1-33, r2-1 to r2-59, r3-1 to r3-112) = Table 2, col(2): <CXOM31 JHHMMSS.s+DDMMSS> N=204.
Ref:=2002ApJ...570..618D
byDI STEFANO R. , KONG A.K.H., GARCIA M.R., BARMBY P., GREINER J., MURRAY S.S., PRIMINI F.A.
 Astrophys. J., 570, 618-636 (2002)
  Bright X-ray sources in M31 globular clusters.
oTable 3: ID Mita = [M93b] NNN in SIMBAD. Table 3 note e : Source 25 is a misprint for Source 24.
oTable 3: <[DKG2002] NN> (Nos 1-28) = <CXOM31 JHHMMSS.s+DDMMSS> N=28.
Ref:=2004ApJ...609..735W
byWILLIAMS B.F. , GARCIA M.R., KONG A.K.H., PRIMINI F.A., KING A.R., DI STEFANO R., MURRAY S.S.
 Astrophys. J., 609, 735-754 (2004)
  A synoptic X-ray study of M31 with the Chandra high resolution camera.
oTable 2: <[KGP2002] r1-NN> N=2 added, <[KGP2002] r2-NN> N=4 added, <[KGP2002] r3-NNN> N=3 added, <[KGP2002] s1-NN> N=27 among 85, <[KGP2002] s2-NN> N=1 (No. 63), <[KGP2002] n1-NN> N=15 among 85. Table 2: <CXOM31 JHHMMSS.s+DDMMSS> N=55 added.
Ref:=2004ApJ...610..247D
byDI STEFANO R. , KONG A.K.H., GREINER J., PRIMINI F.A., GARCIA M.R., BARMBY P., MASSEY P., HODGE P.W., WILLIAMS B.F., MURRAY S.S., CURRY S., RUSSO T.A.
 Astrophys. J., 610, 247-260 (2004)
  Supersoft X-ray sources in M31. I. A Chandra survey and an extension to quasi-soft sources.
oTable 1: <[KGP2002] r2-NN> N=5 added, <[KGP2002] s1-NN> N=7 added, <[KGP2002] s2-NN> N=9 added, <[KGP2002] n1-NN> N=10 added. Table 1: <CXOM31 JHHMMSS.s+DDMMSS> N=31 added.
=E=Catalogue in electronic form as J/ApJ/577/738
=E=Catalogue in electronic form as J/ApJ/609/735
=E=Catalogue in electronic form as J/ApJ/610/247
Originof the Acronym: p = Pre-registered to IAU Comm.5