| 词条 | GRO J1719-24 |
| 释义 |
appmag_v= 16.65{{citation needed|date=April 2017}}}} {{starbox astrometry | dist_ly=8500{{citation needed|date=April 2017}}| dist_pc=2600{{citation needed|date=April 2017}} | absmag_v=≥6[1]}}{{Starbox reference | Simbad = V2293+Oph }}{{starbox end}}GRO J1719-24 (GRS 1716-249, V2293 Oph, X-Ray Nova Ophiuchi 1993) is supposed to be a low-mass X-ray binary.[1] Its name derives from an X-ray transient, detected in 1993.[2] The system consists of a black hole candidate and a low mass companion, estimated to be a main sequence star of the spectral type K05-V.[3]The rotation period is uncertain, estimated at 14.7h.[4] The light curve possibly exhibits some faster fluctuations as well, which are hypothesized to be produced by blobs of matter in the accretion disk.[4] References1. ^1 {{citation|last1=Della Valle | first1=M. | last2=Mirabel | first2=I.F.| last3=Rodriguez | first3=L.F. | date=1994 | journal=Astronomy and Astrophysics| volume=290 | page=803 | title=The optical and radio counterpart of the X-ray Nova Ophiuchi 1993 | bibcode=1994A&A...290..803D }} {{Stars of Ophiuchus}}{{Multi-star-stub}}2. ^{{citation|last1=Ballet | first1=J. | last2=Denis | first2=M.| last3=Gilfanov | first3=M. | first4=Sunyaev | last4=R.| date=1993| title=IAU Circ.| volume=5874}} 3. ^{{citation|last1=Chaty | first1= S. |last2=Mirabel | first2= I. F. |last3=Goldoni | first3= P. |last4=Mereghetti | first4= S. |last5=Duc | first5= P.-A. |last6=Martí | first6= J. |last7=Mignani | first7= R. P. |title=Near-infrared observations of Galactic black hole candidates|journal=MNRAS|volume=331|number=4|date=2002|doi=10.1046/j.1365-8711.2002.05267.x | pages=1065–1071|arxiv=astro-ph/0112329|bibcode=2002MNRAS.331.1065C}} 4. ^1 {{citation|last1=Masetti | first1= N. |last2=Bianchini | first2=A. |last3=Bonibaker | first3=J. |last4=della Valle | first4=M. |last5=Vio | first5=R.|title=The superhump phenomenon in GRS 1716-249 (=X-Ray Nova Ophiuchi 1993)|journal=Astronomy and Astrophysics| volume=314|date=1996}} 3 : Ophiuchus (constellation)|X-ray binaries|Objects with variable star designations |
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