1998A&A...333..547K

Query : 1998A&A...333..547K

1998A&A...333..547K - Astronomy and Astrophysics, volume 333547-556 (1998/5-2)

BVRI observations of PSR B0656+14 with the 6-meter telescope.

KURT V.G., SOKOLOV V.V., ZHARIKOV S.V., PAVLOV G.G. and KOMBERG B.V.

Abstract (from CDS):

We observed the middle-aged radio pulsar B0656+14 with a CCD detector at the 6-m telescope. Broadband BVRI images show the following magnitudes of the pulsar counterpart: B=24.85(+0.19, -0.16), V=24.90(+0.16, -0.14), R=24.52(+0.12, -0.11), I=23.81(+0.27, -0.21). We fitted the UV-optical (space + ground-based) data with a two-component model which combines a power law (non-thermal component) with a thermal spectrum emitted by the neutron star surface. The power law component, with the energy power-law index α=1.5(+1.1,-1.2), dominates in the observed range. Constraints on the thermal component correspond to the Rayleigh-Jeans parameter G=T6(R10/d500)2=4.1(+2.1, -4.1), where T=106T6K is the brightness temperature, R∞=10R10km is the neutron star radius as seen by a distant observer, and d=500d500pc is the distance. The shape of the optical-UV spectrum of PSR B0656+14 differs considerably from those observed from other pulsars: the middle-aged Geminga and young Crab, Vela.

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Journal keyword(s): pulsars: individual: PSR B0656+14 - stars: pre-main sequence - stars: neutron

Nomenclature: Tables 2, 3: [KSZ98] NN (Nos 1-11), [KSZ98] oN (Nos o1-o5)

Simbad objects: 25

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Number of rows : 25
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 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1
2 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5476 0
3 PSR B0540-69 Psr 05 40 11.2000490438 -69 19 54.198559829           ~ 976 3
4 GD 71 WD* 05 52 27.6198591816 +15 53 13.228887444 11.675 12.783 13.032 13.169 13.337 DA1.5 407 0
5 TYC 728-2358-1 * 05 59 48.2837409456 +14 18 42.184734984   11.50 10.98     ~ 2 0
6 PSR J0633+1746 Psr 06 33 54.153 +17 46 12.91           ~ 1308 0
7 2MASS J06594585+1413310 * 06 59 45.8328220752 +14 13 31.105902720   19.90 18.69     ~ 1 0
8 [KSZ98] 6 * 06 59 46.81 +14 14 18.8   22.70 21.96     ~ 1 0
9 [KSZ98] o4 * 06 59 47.65 +14 14 22.2   25.5 25.5     ~ 1 0
10 [KSZ98] 2 * 06 59 47.81 +14 14 52.6   18.71 18.02     ~ 1 0
11 [KSZ98] o2 * 06 59 47.93 +14 14 23.6           ~ 2 0
12 [KSZ98] o3 * 06 59 48.05 +14 14 24.8   25.0 25.4     ~ 1 0
13 PSR B0656+14 Psr 06 59 48.18800 +14 14 19.2000   24.85 24.90     ~ 943 1
14 [KSZ98] 4 * 06 59 50.18 +14 13 23.9   20.94 19.84     ~ 1 0
15 [KSZ98] 1 * 06 59 51.15 +14 14 38.7   19.35 18.31     ~ 1 0
16 [KSZ98] 5 * 06 59 51.68 +14 14 11.3   22.61 21.31     ~ 1 0
17 RL 149 HS* 07 24 14.3741784768 -00 33 04.165016904 12.958 13.737 13.866 13.906 13.974 sdB 114 0
18 PSR B0950+08 Psr 09 53 09.31210 +07 55 36.9000           ~ 806 2
19 PSR B1055-52 Psr 10 57 59.0450 -52 26 56.330           ~ 757 0
20 PSR B1929+10 Psr 19 32 14.0570 +10 59 33.380           ~ 801 0
21 StKM 1-2015 PM* 22 31 33.7911824160 +20 45 24.230587248   13.270 11.870 11.370   K7/M0 7 0
22 [KSZ98] 8 * ~ ~   23.08 21.52     ~ 1 0
23 [KSZ98] 10 * ~ ~   24.52 22.88     ~ 1 0
24 [KSZ98] 11 * ~ ~   21.38 20.40     ~ 1 0
25 [KSZ98] 9 * ~ ~   23.58 22.06     ~ 1 0

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