2001ApJ...560..715K

Query : 2001ApJ...560..715K

2001ApJ...560..715K - Astrophys. J., 560, 715-718 (2001/October-3)

Chandra X-ray point sources, including supernova 1979C, in the spiral galaxy M100.

KAARET P.

Abstract (from CDS):

Six X-ray point sources, with luminosities of 4x1038-2x1039 ergs.s–1 in the 0.4-7 keV band, were detected in Chandra observations of the spiral galaxy M100. One source is identified with supernova SN 1979C and appears to have roughly constant X-ray flux for the period 16-20 yr after the outburst. The X-ray spectrum is soft, as would be expected if the X-ray emission is due to the interaction of supernova ejecta with circumstellar matter. Most of the other sources are variable either within the Chandra observation or when compared to archival data. None are coincident with the peak of the radio emission at the nucleus. These sources have harder spectra than the supernova and are likely X-ray binaries. M100 has more bright X-ray sources than typical for spiral galaxies of its size. This is likely related to active star formation occurring in the galaxy.

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Journal keyword(s): galaxies: individual (M100, NGC 4321) - Galaxies: Spiral - Galaxies: Starburst - supernovae: individual (SN 1979C) - X-Rays: Galaxies - X-Rays: General

Nomenclature: Table 2: [K2001] AN (Nos C1-C6).

Simbad objects: 19

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Number of rows : 19
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 SN 1978K SN* 03 17 38.620 -66 33 03.40   13.0       SNII 214 1
2 NGC 1313 AG? 03 18 16.046 -66 29 53.74   10.06 10.0 9.40 10.4 ~ 723 2
3 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
4 [K2001] C6 X 12 22 46.10 +15 48 49.7           ~ 2 0
5 SN 1901B SN* 12 22 47.6 +15 49 25   15.6 12.8     SNI 33 1
6 [IPA98] H17 X 12 22 51.28 +15 49 38.9           ~ 2 0
7 [IPA98] H18 X 12 22 52.28 +15 49 09.4           ~ 2 0
8 [IPA98] E5 X 12 22 53.77 +15 48 46.4           ~ 2 0
9 [IPA98] E4 X 12 22 54.13 +15 49 11.9           ~ 3 0
10 [IPA98] H22 X 12 22 54.47 +15 49 47.4           ~ 2 0
11 [K2001] C3 X 12 22 54.76 +15 49 15.9           ~ 2 0
12 [K2001] C1 X 12 22 54.78 +15 49 18.3           ~ 2 0
13 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1963 2
14 SN 1914A SN* 12 22 57.0 +15 47 30   15.7 15.7     ~ 27 1
15 [CB90] 336 HII 12 22 58.36 +15 49 08.9           ~ 2 0
16 SN 1979C SN* 12 22 58.58 +15 47 52.7   11.6       SNIIL 609 1
17 SN 1959E SN* 12 22 58.90 +15 49 01.1   17.5 17.5     SNI 31 1
18 M 101 GiP 14 03 12.583 +54 20 55.50   8.46 7.86 7.76   ~ 3138 2
19 V* IL Lup HXB 15 47 08.2768672752 -47 40 10.284587760         15.624 ~ 532 1

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