Photometric study of fields of nearby pulsars with the 6m telescope

Details Photometric study of fields of nearby pulsars with the 6m telescope Photometric study of fields of nearby pulsars with the 6m telescope

2000-05-24

arxiv.org/abs/astro-ph/0005500v1

Astronomy and Astrophysics

Astrophysics

10 pages, 6 figures, to be published in Bulletin of the Special Astrophysicl Observatory, v.49; figures of higher resolution a

Scientific paper

Fields of Geminga, PSR B0950+08, PSR J1908+0734 and PSR J0108-1431 have been observed within the program of optical investigation of nearby neutron stars carried out with the 6m telescope. Our multicolour BVR_cI_c photometry has yielded the following magnitudes of Geminga: V=25.3+/-0.4; R_c=25.4+/-0.3. The estimates of the 3\sigma upper limits in the B and I_c bands are 25.4 and 24.9, respectively. This is in agreement with previous observations of Geminga. We have suggested candidate for optical counterpart of PSR B0950+08, with R_c=25.4+/-0.3. When compared to the HST data obtained in UV its flux shows that this old pulsar can be brighter in near-IR than in near-UV. We have obtained for the first time images of the fields of PSR J1908+0734 and PSR J0108-1431. Although no optical counterparts have been detected, the magnutude upper limits obtained suggest further observations of these pulsars.

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