Abstract
We present the results of broad-band photometry of the nearby middle-aged radio pulsar PSR B0656+14 and its neighborhood obtained with the 6-meter telescope of the SAO RAS and with the Hubble Space Telescope. The broad-band spectral flux Fv of the pulsar decreases with increasing frequency in the near-IR range and increases with frequency in the near-UV range. The increase towards UV can be naturally interpreted as the Rayleigh-Jeans tail of the soft thermal component of the X-ray spectrum emitted from the surface of the cooling neutron star. Continuation of the power-law component, which dominates in the high-energy tail of the X-ray spectrum, to the IR-optical-UV frequencies is consistent with the observed fluxes. This suggests that the non-thermal pulsar radiation may be of the same origin in a broad frequency range from IR to hard X-rays. We also studied 4 objects detected within 5″ from the pulsar.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1004-1016 |
| Number of pages | 13 |
| Journal | Astronomy and Astrophysics |
| Volume | 370 |
| Issue number | 3 |
| DOIs | |
| State | Published - Jan 1 2001 |
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All Science Journal Classification (ASJC) codes
- Astronomy and Astrophysics
- Space and Planetary Science
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Optical photometry of the PSR B0656+14 and its neighborhood. / Koptsevich, A. B.; Pavlov, G. G.; Zharikov, S. V.; Sokolov, V. V.; Shibanov, Yu A.; Kurt, V. G.
In: Astronomy and Astrophysics, Vol. 370, No. 3, 01.01.2001, p. 1004-1016.Research output: Contribution to journal › Article
TY - JOUR
T1 - Optical photometry of the PSR B0656+14 and its neighborhood
AU - Koptsevich, A. B.
AU - Pavlov, G. G.
AU - Zharikov, S. V.
AU - Sokolov, V. V.
AU - Shibanov, Yu A.
AU - Kurt, V. G.
PY - 2001/1/1
Y1 - 2001/1/1
N2 - We present the results of broad-band photometry of the nearby middle-aged radio pulsar PSR B0656+14 and its neighborhood obtained with the 6-meter telescope of the SAO RAS and with the Hubble Space Telescope. The broad-band spectral flux Fv of the pulsar decreases with increasing frequency in the near-IR range and increases with frequency in the near-UV range. The increase towards UV can be naturally interpreted as the Rayleigh-Jeans tail of the soft thermal component of the X-ray spectrum emitted from the surface of the cooling neutron star. Continuation of the power-law component, which dominates in the high-energy tail of the X-ray spectrum, to the IR-optical-UV frequencies is consistent with the observed fluxes. This suggests that the non-thermal pulsar radiation may be of the same origin in a broad frequency range from IR to hard X-rays. We also studied 4 objects detected within 5″ from the pulsar.
AB - We present the results of broad-band photometry of the nearby middle-aged radio pulsar PSR B0656+14 and its neighborhood obtained with the 6-meter telescope of the SAO RAS and with the Hubble Space Telescope. The broad-band spectral flux Fv of the pulsar decreases with increasing frequency in the near-IR range and increases with frequency in the near-UV range. The increase towards UV can be naturally interpreted as the Rayleigh-Jeans tail of the soft thermal component of the X-ray spectrum emitted from the surface of the cooling neutron star. Continuation of the power-law component, which dominates in the high-energy tail of the X-ray spectrum, to the IR-optical-UV frequencies is consistent with the observed fluxes. This suggests that the non-thermal pulsar radiation may be of the same origin in a broad frequency range from IR to hard X-rays. We also studied 4 objects detected within 5″ from the pulsar.
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U2 - 10.1051/0004-6361:20010289
DO - 10.1051/0004-6361:20010289
M3 - Article
AN - SCOPUS:0035325608
VL - 370
SP - 1004
EP - 1016
JO - Astronomy and Astrophysics
JF - Astronomy and Astrophysics
SN - 0004-6361
IS - 3
ER -