2008A&A...492..805Z


C.D.S. - SIMBAD4 rel 1.7 - 2019.11.14CET11:23:30

2008A&A...492..805Z - Astronomy and Astrophysics, volume 492, 805-814 (2008/12-4)

A likely optical counterpart of the G292.0+1.8 pulsar wind nebula.

ZHARIKOV S.V., SHIBANOV Yu.A., ZYUZIN D.A., MENNICKENT R.E. and KOMAROVA V.N.

Abstract (from CDS):

G292.0+1.8 is a Cas A-like supernova remnant containing the young pulsar PSR J1124-5916, which powers a compact torus-like pulsar wind nebula with a jet visible in X-rays. We have performed deep optical observations of the pulsar field to detect the optical counterpart of the pulsar and its nebula. The observations were carried out using the direct imaging mode of FORS2 at the ESO VLT/UT1 telescope in the V, R, and I bands. We also analyzed archival images obtained with the Chandra/ACIS-I, ACIS-S, and HRC-S in X-rays. In all three optical bands we detect a faint elliptical nebulosity whose brightness peak and center position are consistent at a sub-arcsecond level with the X-ray position of the pulsar. The field is densely packed with background stars, but after subtraction of these stars the morphology of the object and the orientation of its major axis appear to be in good agreement with the brightest inner part of the pulsar nebula torus region seen almost edge on in X-rays. Within the nebulosity we do not resolve any point-like optical object that could be identified with the pulsar and estimate its contribution to the observed nebulosity flux as ≲20%. Extracting the X-ray spectrum from the physical region equivalent to the optical source position and extent and combining that with the measured optical fluxes, we compile a tentative multi-wavelength spectrum of the inner part of the nebula. Within uncertainties of the interstellar extinction towards G292.0+1.8 it is reminiscent of either the Crab or PSR B540-69 and J0205+6449 pulsar wind nebula spectra. The position, morphology, and spectral properties of the detected nebulosity suggest that it is the likely optical counterpart of the pulsar plus its wind nebula system in G292.0+1.8. Higher spatial resolution optical observations and the extension of the broad-band spectrum of the proposed counterpart candidate towards the IR and UV are necessary to confirm its origin.

Abstract Copyright:

Journal keyword(s): stars: pulsars: general - stars: pulsars: individual: G292.0+1.8 - stars: neutron

CDS comments: Abstract PSR B540-69 is a misprint for PSR B0540-69.

Simbad objects: 50

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Number of rows : 50

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 PSR J0108-1431 Psr 01 08 08.29 -14 31 48.5           ~ 87 0
2 SNR G130.7+03.1 SNR 02 05 37.0 +64 49 42           ~ 553 4
3 PSR J0205+6449 Psr 02 05 37.92 +64 49 42.8           ~ 199 1
4 PG 0231+051 WD* 02 33 41.3573346299 +05 18 43.652047965 14.562 15.776 16.096 16.267 16.639 DAO.6 135 0
5 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 14345 1
6 V* CM Tau Psr 05 34 31.93830 +22 00 52.1758           F 4717 1
7 M 1 SNR 05 34 31.94 +22 00 52.2           ~ 5488 4
8 PSR B0540-69 Psr 05 40 10.84 -69 19 54.2           ~ 785 2
9 NAME Geminga Psr 06 33 54.153 +17 46 12.91           ~ 1069 0
10 PSR B0655+64 Psr 07 00 37.802 +64 18 11.20           ~ 232 1
11 RL 149 HS* 07 24 14.3741222640 -00 33 04.164965943 12.958 13.737 13.866 13.906 13.974 sdB 110 0
12 NAME Vela XYZ Rad 08 34.0 -45 50           ~ 1089 2
13 NAME Vela Pulsar Psr 08 35 20.65525 -45 10 35.1545           ~ 2015 1
14 PSR B0950+08 Psr 09 53 09.3 +07 55 36           ~ 679 2
15 USNO-B1.0 0307-00262544 * 11 24 11.0656521525 -59 15 31.626123331   17.5   17.6   ~ 1 0
16 USNO-B1.0 0307-00262730 * 11 24 16.7501565860 -59 14 36.065555767   17.9   19.8   ~ 1 0
17 USNO-B1.0 0307-00263370 * 11 24 35.1720794098 -59 14 02.326948697   18.4   18.8   ~ 1 0
18 USNO-B1.0 0307-00263383 * 11 24 35.4686174474 -59 13 55.683433780   18.1   19.0   ~ 1 0
19 USNO-B1.0 0307-00263438 * 11 24 36.9410557436 -59 17 52.433614286       20.6   ~ 1 0
20 USNO-B1.0 0307-00263484 * 11 24 38.0631191157 -59 15 05.229607611   18.0   18.3   ~ 1 0
21 PSR J1124-5916 Psr 11 24 39.1 -59 16 20           ~ 129 1
22 USNO-B1.0 0306-00262194 * 11 24 39.6135870350 -59 18 31.816580301   17.7   18.0   ~ 1 0
23 USNO-B1.0 0306-00262297 * 11 24 41.9287011875 -59 19 05.710501847   18.6   20.1   ~ 1 0
24 USNO-B1.0 0306-00262311 * 11 24 42.1317134291 -59 18 47.746803989   18.8   19.8   ~ 1 0
25 USNO-B1.0 0307-00263768 * 11 24 45.0282571823 -59 15 32.606278743   17.8   19.4   ~ 1 0
26 USNO-B1.0 0306-00262602 * 11 24 48.7249070902 -59 19 28.766495715   18.2   19.6   ~ 1 0
27 USNO-B1.0 0307-00264210 * 11 24 54.9175420114 -59 16 13.453158472   18.0   18.9   ~ 1 0
28 USNO-B1.0 0307-00264219 * 11 24 55.3244306077 -59 15 56.260611990       19.8   ~ 1 0
29 SNR G292.0+01.8 SNR 11 24 59 -59 19.1           ~ 280 1
30 USNO-B1.0 0307-00264485 * 11 25 02.4593370882 -59 17 30.955365898   17.8   19.3   ~ 1 0
31 USNO-B1.0 0307-00264529 * 11 25 03.3227133445 -59 17 46.347777590   17.9   18.2   ~ 1 0
32 PSR B1133+16 Psr 11 36 03.180 +15 51 09.62           ~ 594 0
33 USNO-B1.0 0306-00286344 * 11 36 22.4122121805 -59 20 09.946896922   19.4   26.2   ~ 1 0
34 USNO-B1.0 0306-00287673 * 11 36 57.18 -59 20 59.5   17.2   18.4   ~ 1 0
35 USNO-B1.0 0306-00288792 * 11 37 27.9658427945 -59 22 58.730786254       50.0   ~ 1 0
36 USNO-B1.0 0306-00289663 * 11 37 52.5320320507 -59 23 41.815558425   17.7   19.1   ~ 1 0
37 USNO-B1.0 0308-00292285 * 11 38 56.4132533234 -59 06 26.372878605   18.6   20.6   ~ 1 0
38 USNO-B1.0 0307-00292657 * 11 39 43.0279287973 -59 13 35.777176908   18.3   19.9   ~ 1 0
39 USNO-B1.0 0305-00283993 * 11 40 02.0856244116 -59 25 54.445567881   18.2   18.6   ~ 1 0
40 USNO-B1.0 0307-00294705 PM* 11 40 30.42 -59 14 07.1   17.4   16.7   ~ 1 0
41 USNO-B1.0 0307-00294814 * 11 40 32.8991351590 -59 16 02.565240740   16.3   15.2   ~ 1 0
42 USNO-B1.0 0307-00294870 * 11 40 34.7569084980 -59 17 52.848971134   17.7   18.5   ~ 1 0
43 USNO-B1.0 0307-00295000 * 11 40 37.8872878208 -59 16 10.982265361   18.4   18.9   ~ 1 0
44 USNO-B1.0 0307-00295391 * 11 40 47.53 -59 17 05.0   17.8   18.6   ~ 1 0
45 PG 1323-086 HS* 13 25 39.4670509324 -08 49 19.068159971 12.660 13.341 13.481 13.529 13.608 sdB3IHe8 134 1
46 HESS J1514-591 Rad 15 13 17.000 -59 04 54.00           ~ 367 3
47 PSR B1509-58 Psr 15 13 55.52 -59 08 08.8           ~ 784 1
48 PG 1633+099 HS* 16 35 24.0242205151 +09 47 49.892841991 13.215 14.205 14.396 14.481 14.609 sdB 104 0
49 PSR B1930+20 Psr 19 32 08.023 +20 20 46.41           ~ 74 0
50 NAME Cas A SNR 23 23 24.000 +58 48 54.00           ~ 2337 1

    Equat.    Gal    SGal    Ecl

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2019.11.14-11:23:30

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