1997A&A...318L..43N

Query : 1997A&A...318L..43N

1997A&A...318L..43N - Astronomy and Astrophysics, volume 318L43-46 (1997/2-2)

On the X-ray position and deep optical imaging of the neutron star candidate RX J1856.5-3754.

NEUHAEUSER R., THOMAS H.-C., DANNER R., PESCHKE S. and WALTER F.M.

Abstract (from CDS):

We present X-ray and optical studies of the ROSAT source RX J1856.5-3754, a neutron star candidate. With recent optical observations of a potential optical counterpart to another X-ray source in the field and correcting the X-ray positions for two effects not taken into account before, we determine the ROSAT X-ray source position and its error, both different from previous work. Also, we present deep optical imaging in B and V obtained with the ESO-MPI 2.2m telescope on La Silla and in B and R obtained with the Keck telescope.

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Journal keyword(s): Neutron star: individual: RX J1856.5-3754

Nomenclature: Table 1: [NTD97] a (Nos u, v, w)

Simbad objects: 23

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Number of rows : 23
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 RX J0720.4-3125 N* 07 20 24.961 -31 25 50.21   26.1   27.0   ~ 316 0
2 CMS 30 * 08 56 34.899 -37 54 24.11   19.61 18.92     ~ 10 0
3 GSC 07916-00050 * 18 55 11.9942691144 -37 53 51.648322704   13.8 13.2     K3 5 0
4 WWN F * 18 56 34.5389054040 -37 54 35.078190444   17.5 17.45 16.9 16.17 G9/K0III/V 8 0
5 RX J1856.6-3754 Psr 18 56 35.11 -37 54 30.5     25.7     ~ 456 0
6 CMS 23 * 18 56 35.1855 -37 54 36.142     24.41     ~ 9 0
7 CMS 15 * 18 56 35.221 -37 54 46.66   19.39 18.72     ~ 10 0
8 CMS 27 * 18 56 35.408 -37 54 27.76   22.03 21.18     ~ 11 0
9 WWN C * 18 56 35.4450316320 -37 54 49.817253996   17.2 18.21 16.6 16.89 G6/8III/V 10 0
10 WWN L * 18 56 35.7450334032 -37 54 25.075156860   18.18 17.75 15.9 16.51 G3/6III/V 9 0
11 NAME Corona Australis Cloud MoC 19 01 51 -36 58.9           ~ 554 0
12 [NTD97] u ? ~ ~     23.88     ~ 3 0
13 [NTD97] v ? ~ ~     20.88     ~ 1 0
14 [NTD97] w ? ~ ~           ~ 3 0
15 CMS 26 * ~ ~   23.07 21.84     ~ 7 0
16 CMS 24 * ~ ~   22.67 20.85     ~ 7 0
17 CMS 17 * ~ ~     24.52     ~ 3 0
18 CMS 28 * ~ ~   23.05 22.05     ~ 8 0
19 CMS 20 G ~ ~     23.92     ~ 5 1
20 CMS 33 * ~ ~   16.03 15.69     ~ 5 0
21 CMS 25 * ~ ~   23.73 22.24     ~ 4 0
22 CMS 21 * ~ ~   23.50 21.54     ~ 8 0
23 CMS 19 * ~ ~   23.59 22.40     ~ 6 0

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