AB

The spectrum of the black hole in the XTE J1118+480 system
Observation data
Epoch J2000 Equinox ICRS
ConstellationUrsa Major
Right ascension11 18 10.801
Declination48° 02′ 12.3″1
Apparent magnitude (V)12.252
Orbit 3
PrimaryBlack hole
NameB
Period (P)<0.5 d
Eccentricity (e)0.022±0.003
Inclination (i)74±4°
Details
Black hole
Mass7.243 M
B
Mass0.2±0.023 M
Other designations
KV Ursae Majoris, 2MASS J11181079+4802126, AAVSO 1112+48
Database references
SIMBADdata

XTE J1118+480

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Footnotes

  1. Cutri, Roc M.; Skrutskie, Michael F.; Van Dyk, Schuyler D.; Beichman, Charles A.; Carpenter, John M.; Chester, Thomas; Cambresy, Laurent; Evans, Tracey E.; Fowler, John W.; Gizis, John E.; Howard, Elizabeth V.; Huchra, John P.; Jarrett, Thomas H.; Kopan, Eugene L.; Kirkpatrick, J. Davy; Light, Robert M.; Marsh, Kenneth A.; McCallon, Howard L.; Schneider, Stephen E.; Stiening, Rae; Sykes, Matthew J.; Weinberg, Martin D.; Wheaton, William A.; Wheelock, Sherry L.; Zacarias, N. (2003). “VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)”. CDS/ADC Collection of Electronic Catalogues. 2246: II/246. Bibcode:2003yCat.2246…0C. 2

  2. Liu, Q. Z.; Van Paradijs, J.; Van Den Heuvel, E. P. J. (2007). “A catalogue of low-mass X-ray binaries in the Galaxy, LMC, and SMC (Fourth edition)”. Astronomy and Astrophysics. 469 (2): 807. arXiv:0707.0544. Bibcode:2007A&A…469..807L. doi:10.1051/0004-6361:20077303. S2CID 14673570.

  3. Cherepashchuk, A. M.; Katysheva, N. A.; Khruzina, T. S.; Shugarov, S Yu; Tatarnikov, A. M.; Bogomazov, A. I. (2019), “Optical, J and K light curves of XTE J1118+480 = KV UMa: The mass of the black hole and the spectrum of the non-stellar component”, Monthly Notices of the Royal Astronomical Society, 490 (3): 3287–3308, arXiv:1909.06358, doi:10.1093/mnras/stz2606 2 3