2016ApJ...819L..37V

Query : 2016ApJ...819L..37V

2016ApJ...819L..37V - Astrophys. J., 819, L37 (2016/March-2)

Primary black hold spin in OJ 287 as determined by the general relativity centenary flare.

VALTONEN M.J., ZOLA S., CIPRINI S., GOPAKUMAR A., MATSUMOTO K., SADAKANE K., KIDGER M., GAZEAS K., NILSSON K., BERDYUGIN A., PIIROLA V., JERMAK H., BALIYAN K.S., ALICAVUS F., BOYD D., CAMPAS TORRENT M., CAMPOS F., CARRILLO GOMEZ J., CATON D.B., CHAVUSHYAN V., DALESSIO J., DEBSKI B., DIMITROV D., DROZDZ M., ER H., ERDEM A., ESCARTIN PEREZ A., FALLAH RAMAZANI V., FILIPPENKO A.V., GANESH S., GARCIA F., GOMEZ PINILLA F., GOPINATHAN M., HAISLIP J.B., HUDEC R., HURST G., IVARSEN K.M., JELINEK M., JOSHI A., KAGITANI M., KAUR N., KEEL W.C., LACLUYZE A.P., LEE B.C., LINDFORS E., LOZANO DE HARO J., MOORE J.P., MUGRAUER M., NAVES NOGUES R., NEELY A.W., NELSON R.H., OGLOZA W., OKANO S., PANDEY J.C., PERRI M., PIHAJOKI P., POYNER G., PROVENCAL J., PURSIMO T., RAJ A., REICHART D.E., REINTHAL R., SADEGI S., SAKANOI T., SALTO GONZALEZ J.-L., SAMEER, SCHWEYER T., SIWAK M., SOLDAN ALFARO F.C., SONBAS E., STEELE I., STOCKE J.T., STROBL J., TAKALO L.O., TOMOV T., TREMOSA ESPASA L., VALDES J.R., VALERO PEREZ J., VERRECCHIA F., WEBB J.R., YONEDA M., ZEJMO M., ZHENG W., TELTING J., SAARIO J., REYNOLDS T., KVAMMEN A., GAFTON E., KARJALAINEN R., HARMANEN J. and BLAY P.

Abstract (from CDS):

OJ 287 is a quasi-periodic quasar with roughly 12 year optical cycles. It displays prominent outbursts that are predictable in a binary black hole model. The model predicted a major optical outburst in 2015 December. We found that the outburst did occur within the expected time range, peaking on 2015 December 5 at magnitude 12.9 in the optical R-band. Based on Swift/XRT satellite measurements and optical polarization data, we find that it included a major thermal component. Its timing provides an accurate estimate for the spin of the primary black hole, χ=0.313±0.01. The present outburst also confirms the established general relativistic properties of the system such as the loss of orbital energy to gravitational radiation at the 2% accuracy level, and it opens up the possibility of testing the black hole no-hair theorem with 10% accuracy during the present decade.

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Journal keyword(s): black hole physics - quasars: general - quasars: individual: OJ 287 - quasars: supermassive black holes

Simbad objects: 3

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Number of rows : 3
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 PG 0851+202 BLL 08 54 48.8749846272 +20 06 30.639583620   15.649 15.146 15.446   ~ 2513 1
2 GSC 01400-00222 * 08 54 53.3761966680 +20 04 44.801648760   15.093 14.190 14.038   ~ 4 0
3 GSC 01400-00444 * 08 54 54.4414939296 +20 06 13.691850444   15.17 14.63 14.61   ~ 2 0

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