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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F11%3A00184159%21RIV14-MSM-21230___
rdf:type
skos:Concept n14:Vysledek
rdfs:seeAlso
http://iopscience.iop.org/0004-637X/742/1/22/
dcterms:description
We examine the ability to test the black hole no-hair theorem at the 10% level in this decade using the binary black hole in OJ287. In the test we constrain the value of the dimensionless parameter q that relates the scaled quadrupole moment and spin of the primary black hole: q 2 = -q χ2. At the present we can say that q = 1 +- 0.3 (1σ), in agreement with general relativity and the no-hair theorems. We demonstrate that this result can be improved if more observational data are found in historical plate archives for the 1959 and 1971 outbursts. We also show that the predicted 2015 and 2019 outbursts will be crucial in improving the accuracy of the test. Space-based photometry is required in 2019 July due the proximity of OJ287 to the Sun at the time of the outburst. The best situation would be to carry out the photometry far from the Earth, from quite a different vantage point, in order to avoid the influence of the nearby Sun. We examine the ability to test the black hole no-hair theorem at the 10% level in this decade using the binary black hole in OJ287. In the test we constrain the value of the dimensionless parameter q that relates the scaled quadrupole moment and spin of the primary black hole: q 2 = -q χ2. At the present we can say that q = 1 +- 0.3 (1σ), in agreement with general relativity and the no-hair theorems. We demonstrate that this result can be improved if more observational data are found in historical plate archives for the 1959 and 1971 outbursts. We also show that the predicted 2015 and 2019 outbursts will be crucial in improving the accuracy of the test. Space-based photometry is required in 2019 July due the proximity of OJ287 to the Sun at the time of the outburst. The best situation would be to carry out the photometry far from the Earth, from quite a different vantage point, in order to avoid the influence of the nearby Sun.
dcterms:title
Testing the Black Hole No-hair Theorem with OJ287 Testing the Black Hole No-hair Theorem with OJ287
skos:prefLabel
Testing the Black Hole No-hair Theorem with OJ287 Testing the Black Hole No-hair Theorem with OJ287
skos:notation
RIV/68407700:21230/11:00184159!RIV14-MSM-21230___
n14:predkladatel
n15:orjk%3A21230
n4:aktivita
n11:P n11:Z
n4:aktivity
P(GA102/09/0997), P(GA205/08/1207), P(ME09027), Z(AV0Z10030501)
n4:cisloPeriodika
1
n4:dodaniDat
n5:2014
n4:domaciTvurceVysledku
n13:8998558 n13:6999662
n4:druhVysledku
n16:J
n4:duvernostUdaju
n17:S
n4:entitaPredkladatele
n20:predkladatel
n4:idSjednocenehoVysledku
234934
n4:idVysledku
RIV/68407700:21230/11:00184159
n4:jazykVysledku
n22:eng
n4:klicovaSlova
black hole physics; BL Lacertae objects: individual (OJ287); gravitation; quasars: general; quasars: individual (OJ287); relativistic processes
n4:klicoveSlovo
n12:quasars%3A%20general n12:quasars%3A%20individual%20%28OJ287%29 n12:BL%20Lacertae%20objects%3A%20individual%20%28OJ287%29 n12:black%20hole%20physics n12:relativistic%20processes n12:gravitation
n4:kodStatuVydavatele
US - Spojené státy americké
n4:kontrolniKodProRIV
[CE51F0F86E17]
n4:nazevZdroje
Astrophysical Journal
n4:obor
n6:BN
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
6
n4:projekt
n7:GA102%2F09%2F0997 n7:GA205%2F08%2F1207 n7:ME09027
n4:rokUplatneniVysledku
n5:2011
n4:svazekPeriodika
742
n4:tvurceVysledku
Valtonen, M. J. Hudec, René Mikkola, S. Poledniková, Jana Gopakumar, A. Lehto, H. J.
n4:wos
000296783400022
n4:zamer
n9:AV0Z10030501
s:issn
0004-637X
s:numberOfPages
12
n8:doi
10.1088/0004-637X/742/1/22
n21:organizacniJednotka
21230