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| Query : 2000ApJ...537L..23G |
2000ApJ...537L..23G - Astrophys. J., 537, L23-L26 (2000/July-1)
A first look at the nuclear region of M31 with Chandra.
GARCIA M.R., MURRAY S.S., PRIMINI F.A., FORMAN W.R., McCLINTOCK J.E. and JONES C.
Abstract (from CDS):
We report on the first observation of the nuclear region of M31 with the Chandra X-Ray Observatory. The nuclear source seen with the Einstein and ROSAT HRIs is resolved into five point sources. One of these sources is within 1" of the M31 central supermassive black hole. As compared to the other point sources in M31, this nuclear source has an unusual X-ray spectrum. Based on the spatial coincidence, we speculate that this source is associated with the central black hole and note that the unusual spectrum is a challenge to some current theories. A bright transient is detected ∼26" to the west of the nucleus and may be associated with a stellar mass black hole.
Abstract Copyright: ∼
Journal keyword(s): Black Hole Physics - Galaxies: Individual: Messier Number: M31
Nomenclature: Table 1, text: CXOGMP JHHMMSS.s+DDMMSS N=6.
Simbad objects: 11
| Number of rows : 11 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | CXOGMP J004242.0+401608 | X | 00 42 42.0 | +40 16 08 | ~ | 1 | 0 | |||||
| 2 | 2XMM J004242.1+411607 | XB* | 00 42 42.17 | +41 16 08.3 | ~ | 17 | 0 | |||||
| 3 | CXOGMP J004243.7+411604 | X | 00 42 43.72 | +41 16 04.4 | ~ | 1 | 0 | |||||
| 4 | CXOGMP J004243.9+411604 | X | 00 42 43.97 | +41 16 04.7 | ~ | 1 | 0 | |||||
| 5 | CXOGMP J004244.2+411609 | X | 00 42 44.23 | +41 16 09.2 | ~ | 2 | 0 | |||||
| 6 | M 31 | AGN | 00 42 44.330 | +41 16 07.50 | 4.86 | 4.36 | 3.44 | ~ | 13622 | 1 | ||
| 7 | NAME P2B Cluster | PoG | 00 42 44.34 | +41 16 08.5 | ~ | 42 | 0 | |||||
| 8 | [LFG93] P1 | PoG | 00 42 44.37 | +41 16 08.9 | ~ | 40 | 0 | |||||
| 9 | 2MASS J00424699+4116280 | PN | 00 42 47.00 | +41 16 28.1 | 21.18 | ~ | 19 | 0 | ||||
| 10 | CXOGMP J004244.2+411605 | X | 00 44 44.23 | +41 16 05.8 | ~ | 1 | 0 | |||||
| 11 | NAME Sgr A* | X | 17 45 40.03599 | -29 00 28.1699 | ~ | 4970 | 3 |
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