2002A&A...395..845B


Query : 2002A&A...395..845B

2002A&A...395..845B - Astronomy and Astrophysics, volume 395, 845-851 (2002/12-1)

Detection of new optical counterpart candidates to PSR B1951+32 with HST/WFPC2.

BUTLER R.F., GOLDEN A. and SHEARER A.

Abstract (from CDS):

There remain several definitive γ-ray pulsars that are as yet undetected in the optical regime. A classic case is the pulsar PSR B1951+32, associated with the complex CTB 80 SNR. Previous ground based high speed 2-d optical studies have ruled out candidates to mV∼24. Hester (2000, in Spin and Magnetism in Young Neutron Stars, conference, Institute for Theoretical Physics, UC Santa Barbara) has reported an analysis of archival HST/WFPC2 observations of the CTB 80 complex which suggest a compact synchrotron nebula coincident with the pulsar's radio position. Performing a similar analysis, we have identified a possible optical counterpart within this synchrotron nebula at mV∼25.5-26, and another optical counterpart candidate nearby at mV∼24.5. We assess the reality of these counterpart candidates in the context of existing models of pulsar emission.

Abstract Copyright:

Journal keyword(s): stars: pulsars: general - stars: pulsars: individual: PSR B1951+32 - ISM: supernova remnants - ISM: individual objects: CTB 80

Nomenclature: Fig.1: [BGS2002] Star a (Nos w, y). Table 3: [BGS2002] NNHST (Nos 1HST to 14HST).

Simbad objects: 27

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Number of rows : 27
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 V* CM Tau Psr 05 34 31.93830 +22 00 52.1758           ~ 4924 1
2 M 1 SNR 05 34 31.94 +22 00 52.2           ~ 5789 4
3 PSR B0540-69 Psr 05 40 10.84 -69 19 54.2           ~ 820 3
4 SNR G068.8+02.6 SNR 19 52 55 +32 54.2           ~ 337 1
5 [BGS2002] 10HST X 19 52 57.95 +32 52 40.8           ~ 1 0
6 [BGS2002] 12HST X 19 52 57.97 +32 52 39.1           ~ 1 0
7 [BS85] 2 * 19 52 57.98 +32 52 43.4   22.01 20.9     ~ 3 0
8 [BGS2002] 13HST X 19 52 58.02 +32 52 37.1           ~ 1 0
9 [BGS2002] 6HST X 19 52 58.14 +32 52 43.4           ~ 1 0
10 PSR B1951+32 Psr 19 52 58.181 +32 52 40.98           ~ 565 2
11 [BGS2002] 5HST * 19 52 58.23 +32 52 38.1   23.01 23.05     ~ 2 0
12 [BGS2002] 3HST * 19 52 58.23 +32 52 42.0           ~ 1 0
13 [BGS2002] 1HST * 19 52 58.24 +32 52 41.0           ~ 2 0
14 [BGS2002] 2HST * 19 52 58.25 +32 52 41.8           ~ 1 0
15 [BGS2002] 4HST * 19 52 58.28 +32 52 39.9           ~ 2 0
16 [BS85] 4 * 19 52 58.30 +32 52 39.7   16.86 14.95     ~ 2 0
17 [BS85] 1 * 19 52 58.33 +32 52 40.7   21.42 19.9     ~ 3 0
18 [BS85] C * 19 52 58.37 +32 52 32.3           ~ 2 0
19 [BGS2002] 14HST X 19 52 58.38 +32 52 36.6           ~ 1 0
20 [BGS2002] 8HST X 19 52 58.39 +32 52 38.7           ~ 1 0
21 [BGS2002] 11HST X 19 52 58.39 +32 52 44.1           ~ 1 0
22 [BS85] 5 * 19 52 58.40 +32 52 39.4   23.02 22.55     ~ 2 0
23 [BGS2002] 7HST X 19 52 58.42 +32 52 39.2           ~ 1 0
24 [BGS2002] 9HST X 19 52 58.48 +32 52 42.6           ~ 1 0
25 [BS85] B * 19 52 58.7188920571 +32 52 35.527014847           ~ 3 0
26 [BGS2002] Star w * ~ ~           ~ 1 0
27 [BGS2002] Star y * ~ ~           ~ 1 0

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2021.09.25-21:35:33

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