2010ApJ...724..669W

Query : 2010ApJ...724..669W

2010ApJ...724..669W - Astrophys. J., 724, 669-677 (2010/November-3)

Revisiting the parallax of the isolated neutron star RX J185635-3754 using HST/ACS imaging.

WALTER F.M., EISENBEISS T., LATTIMER J.M., KIM B., HAMBARYAN V. and NEUHAUSER R.

Abstract (from CDS):

We have redetermined the parallax and proper motion of the nearby isolated neutron star RX J185635-3754. We used eight observations with the high-resolution camera of the HST/ACS taken from 2002 through 2004. We performed the astrometric fitting using five independent methods, all of which yielded consistent results. The mean estimate of the parallax, 8.16+0.9–0.8 mas (1σ), corresponds to a distance of 123+11–15pc, in good agreement with our earlier published determination.

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Journal keyword(s): astrometry - stars: individual: RX J185635-3754 - stars: neutron

Nomenclature: Table 4: [WEL2010] NN (Nos 0-10, 11-21).

Simbad objects: 12

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Number of rows : 12
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 CMS 30 * 08 56 34.899 -37 54 24.11   19.61 18.92     ~ 10 0
2 NAME SDG G 18 55 19.0 -30 32 43   4.5 3.6     ~ 2438 2
3 RX J1856.6-3754 Psr 18 56 35.11 -37 54 30.5     25.7     ~ 456 0
4 CMS 15 * 18 56 35.221 -37 54 46.66   19.39 18.72     ~ 10 0
5 [W2001] 128 ? 18 56 35.2637 -37 54 47.997           ~ 3 0
6 CMS 27 * 18 56 35.408 -37 54 27.76   22.03 21.18     ~ 11 0
7 WWN C * 18 56 35.4450316320 -37 54 49.817253996   17.2 18.21 16.6 16.89 G6/8III/V 10 0
8 [W2001] 106 ? 18 56 35.5512 -37 54 25.310   23.13       ~ 5 0
9 WWN L * 18 56 35.7450334032 -37 54 25.075156860   18.18 17.75 15.9 16.51 G3/6III/V 9 0
10 [W2001] 114 ? 18 56 35.9229 -37 54 31.175   24.66       ~ 5 0
11 [W2001] 113 ? 18 56 36.1096 -37 54 33.936           ~ 3 0
12 [W2001] 112 ? 18 56 36.3679 -37 54 24.570           ~ 3 0

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