2009A&A...494.1005H


C.D.S. - SIMBAD4 rel 1.7 - 2020.04.04CEST18:26:01

2009A&A...494.1005H - Astronomy and Astrophysics, volume 494, 1005-1012 (2009/2-2)

Exploring the X-ray emission properties of the supernova remnant G67.7+1.8 and its central X-ray sources.

HUI C.Y. and BECKER W.

Abstract (from CDS):

We have studied the supernova remnant G67.7+1.8 with the Chandra X-ray observatory. The remnant's X-ray morphology correlates well with the double-arc structure seen at radio wavelength. The X-ray spectra of the northern and southern rim of G67.7+1.8 exhibit emission line features of highly ionized metals, which suggests that most of the observed X-rays originate in a thermal plasma. We find magnesium, silicon, and sulphur overabundant relative to the solar values. Gaussian emission lines at ∼4keV and ∼7keV are detected. The ∼4keV line is consistent with K-emission lines from 44Ca and/or 44Sc whereas the ∼7keV line feature may arise from unresolved Fe-K lines. Chandra's sub-arcsecond angular resolution allowed us to detect four faint point sources located within ∼1.5-arcmin of the geometrical remnant center. Among these objects, CXOU195424.75+312824.9 and CXOU195429.82+312834.1 do not have optical counterparts, leaving them as candidates for a possible compact stellar remnant.

Abstract Copyright:

Journal keyword(s): X-rays: stars - stars: neutron - stars: supernovae: individual: G67.7+1.8 - ISM: supernova remnants

Nomenclature: Table 1: [HB2009] NN (Nos 1-36).

Status at CDS:  

Simbad objects: 39

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Number of rows : 39

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 PKS 1613-50 Rad 16 17 33.000 -51 02 00.00           ~ 445 3
2 SNR G033.6+00.1 SNR 18 52 29.000 +00 38 42.00           ~ 236 1
3 [HB2009] 33 X 19 53 47.918 +31 28 22.49           ~ 1 0
4 [HB2009] 21 * 19 53 52.3408794200 +31 27 08.405409680           ~ 1 0
5 [HB2009] 20 X 19 53 52.939 +31 25 13.26           ~ 1 0
6 [HB2009] 32 X 19 53 53.202 +31 24 43.93           ~ 1 0
7 2MASS J19535810+3132010 X 19 53 58.11 +31 32 01.1           ~ 1 0
8 [HB2009] 19 X 19 53 58.504 +31 26 19.25           ~ 1 0
9 [HB2009] 30 X 19 53 58.555 +31 31 33.96           ~ 1 0
10 [HB2009] 18 X 19 54 00.649 +31 23 28.01           ~ 1 0
11 [HB2009] 17 X 19 54 02.592 +31 27 46.74           ~ 1 0
12 [HB2009] 29 X 19 54 06.334 +31 27 18.46           ~ 1 0
13 [HB2009] 16 X 19 54 09.741 +31 24 11.62           ~ 1 0
14 2MASS J19541021+3130017 X 19 54 10.22 +31 30 01.7           ~ 1 0
15 [HB2009] 14 * 19 54 12.8125190698 +31 24 29.238534029           ~ 1 0
16 [HB2009] 36 X 19 54 15.732 +31 33 27.84           ~ 1 0
17 [HB2009] 13 X 19 54 16.717 +31 32 11.63           ~ 1 0
18 [HB2009] 28 X 19 54 19.929 +31 22 50.35           ~ 1 0
19 [HB2009] 27 X 19 54 20.292 +31 21 33.27           ~ 1 0
20 [HB2009] 12 * 19 54 21.0182366326 +31 33 33.561369661           ~ 1 0
21 CXOU J195422.9+312902 X 19 54 22.0 +31 29 02           ~ 1 0
22 [HB2009] 10 X 19 54 24.0 +31 28 24           ~ 1 0
23 [HB2009] 9 * 19 54 24.9168072094 +31 30 04.134456357           ~ 1 0
24 [HB2009] 8 X 19 54 28.2051073760 +31 32 37.237650406           ~ 1 0
25 SNR G067.7+01.8 SNR 19 54.5 +31 29           ~ 32 0
26 [HB2009] 26 X 19 54 30.035 +31 31 52.60           ~ 1 0
27 [HB2009] 7 X 19 54 35.356 +31 23 49.09           ~ 1 0
28 [HB2009] 6 X 19 54 37.457 +31 32 56.14           ~ 1 0
29 [HB2009] 5 X 19 54 40.352 +31 23 11.84           ~ 1 0
30 [HB2009] 4 * 19 54 46.4600705170 +31 31 26.568904288           ~ 1 0
31 2MASS J19544994+3126443 X 19 54 49.94 +31 26 44.3           ~ 1 0
32 [HB2009] 35 X 19 54 52.507 +31 24 33.74           ~ 1 0
33 [HB2009] 2 X 19 54 53.728 +31 32 12.81           ~ 1 0
34 [HB2009] 1 * 19 54 57.1804407070 +31 28 36.760694872           ~ 1 0
35 [HB2009] 24 X 19 54 57.325 +31 28 09.59           ~ 1 0
36 [HB2009] 23 X 19 55 03.136 +31 26 12.22           ~ 1 0
37 [HB2009] 34 X 19 55 03.855 +31 29 04.65           ~ 1 0
38 [HB2009] 22 X 19 55 07.125 +31 30 03.42           ~ 1 0
39 [HB2009] 3 X ~ ~           ~ 1 0

    Equat.    Gal    SGal    Ecl

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2020.04.04-18:26:01

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