Standard

The variable sources responsible for the photometric behaviour of OJ 287 in the IR-optical-UV region during 1993-1996. / Hagen-Thorn, V. A.; Marchenko, S. G.; Takalo, L. O.; Sillanpää, A.; Pursimo, T.; Boltwood, P.; Kidger, M.; Gonzalez-Perez, J. N.

в: Astronomy and Astrophysics Supplement Series, Том 133, № 3, 02.12.1998, стр. 353-359.

Результаты исследований: Научные публикации в периодических изданиях › Обзорная статья › Рецензирование

Harvard

Hagen-Thorn, VA, Marchenko, SG, Takalo, LO, Sillanpää, A, Pursimo, T, Boltwood, P, Kidger, M & Gonzalez-Perez, JN 1998, 'The variable sources responsible for the photometric behaviour of OJ 287 in the IR-optical-UV region during 1993-1996', Astronomy and Astrophysics Supplement Series, Том. 133, № 3, стр. 353-359. https://doi.org/10.1051/aas:1998326

APA

Hagen-Thorn, V. A., Marchenko, S. G., Takalo, L. O., Sillanpää, A., Pursimo, T., Boltwood, P., Kidger, M., & Gonzalez-Perez, J. N. (1998). The variable sources responsible for the photometric behaviour of OJ 287 in the IR-optical-UV region during 1993-1996. Astronomy and Astrophysics Supplement Series, 133(3), 353-359. https://doi.org/10.1051/aas:1998326

Vancouver

Hagen-Thorn VA, Marchenko SG, Takalo LO, Sillanpää A, Pursimo T, Boltwood P и пр. The variable sources responsible for the photometric behaviour of OJ 287 in the IR-optical-UV region during 1993-1996. Astronomy and Astrophysics Supplement Series. 1998 Дек. 2;133(3):353-359. https://doi.org/10.1051/aas:1998326

Author

Hagen-Thorn, V. A. ; Marchenko, S. G. ; Takalo, L. O. ; Sillanpää, A. ; Pursimo, T. ; Boltwood, P. ; Kidger, M. ; Gonzalez-Perez, J. N. / The variable sources responsible for the photometric behaviour of OJ 287 in the IR-optical-UV region during 1993-1996. в: Astronomy and Astrophysics Supplement Series. 1998 ; Том 133, № 3. стр. 353-359.

BibTeX

@article{e079a9f181ac47bb8367e3fa13d09d56,
title = "The variable sources responsible for the photometric behaviour of OJ 287 in the IR-optical-UV region during 1993-1996",
abstract = "An analysis is performed of multicolour observations of OJ 287 carried out during the OJ-94 Project. It is found that in the optical region the variable sources have the same power-law spectrum (Fv ∼ v-1.5) irrespective of flux level. In the IR the spectrum flattens during the flare possibly because of synchrotron self-absorption. The comparison of the outburst of 1994 with those of 1971 and 1983 shows that there is a clear correlation between the power of outburst and colour indices of the variable component in each event: the larger is the outburst, the bluer is the variable source, i.e. in more powerful outbursts the energy spectrum of relativistic electrons is flatter.",
keywords = "BL Lac objects; OJ 287, Infrared: galaxies",
author = "Hagen-Thorn, {V. A.} and Marchenko, {S. G.} and Takalo, {L. O.} and A. Sillanp{\"a}{\"a} and T. Pursimo and P. Boltwood and M. Kidger and Gonzalez-Perez, {J. N.}",
year = "1998",
month = dec,
day = "2",
doi = "10.1051/aas:1998326",
language = "English",
volume = "133",
pages = "353--359",
journal = "ASTRONOMY & ASTROPHYSICS",
issn = "0004-6361",
publisher = "EDP Sciences",
number = "3",

}

RIS

TY - JOUR

T1 - The variable sources responsible for the photometric behaviour of OJ 287 in the IR-optical-UV region during 1993-1996

AU - Hagen-Thorn, V. A.

AU - Marchenko, S. G.

AU - Takalo, L. O.

AU - Sillanpää, A.

AU - Pursimo, T.

AU - Boltwood, P.

AU - Kidger, M.

AU - Gonzalez-Perez, J. N.

PY - 1998/12/2

Y1 - 1998/12/2

N2 - An analysis is performed of multicolour observations of OJ 287 carried out during the OJ-94 Project. It is found that in the optical region the variable sources have the same power-law spectrum (Fv ∼ v-1.5) irrespective of flux level. In the IR the spectrum flattens during the flare possibly because of synchrotron self-absorption. The comparison of the outburst of 1994 with those of 1971 and 1983 shows that there is a clear correlation between the power of outburst and colour indices of the variable component in each event: the larger is the outburst, the bluer is the variable source, i.e. in more powerful outbursts the energy spectrum of relativistic electrons is flatter.

AB - An analysis is performed of multicolour observations of OJ 287 carried out during the OJ-94 Project. It is found that in the optical region the variable sources have the same power-law spectrum (Fv ∼ v-1.5) irrespective of flux level. In the IR the spectrum flattens during the flare possibly because of synchrotron self-absorption. The comparison of the outburst of 1994 with those of 1971 and 1983 shows that there is a clear correlation between the power of outburst and colour indices of the variable component in each event: the larger is the outburst, the bluer is the variable source, i.e. in more powerful outbursts the energy spectrum of relativistic electrons is flatter.

KW - BL Lac objects; OJ 287

KW - Infrared: galaxies

UR - http://www.scopus.com/inward/record.url?scp=25544470922&partnerID=8YFLogxK

U2 - 10.1051/aas:1998326

DO - 10.1051/aas:1998326

M3 - Review article

AN - SCOPUS:25544470922

VL - 133

SP - 353

EP - 359

JO - ASTRONOMY & ASTROPHYSICS

JF - ASTRONOMY & ASTROPHYSICS

SN - 0004-6361

IS - 3

ER -

ID: 88369822