GRO J0422+32 is an X-ray nova and black hole candidate that was discovered by the BATSE instrument on the Compton Gamma Ray Observatory satellite on 5 August 1992. During outburst, it was observed to be stronger than the Crab Nebula gamma-ray source out to photon energies of about 500 keV. It is also known to have a companion M-type main-sequence star, V518 Per, in the constellation Perseus. It has a magnitude of 13.5 in the B spectral band, and 13.2 in the visible band.
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| - GRO J0422+32 (en)
- GRO J0422+32 (it)
- GRO J0422+32 (pl)
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| - GRO J0422+32 – kandydat na czarną dziurę o masie gwiazdowej położony w gwiazdozbiorze Perseusza, odległy od Ziemi o około 8500 lat świetlnych. Masa czarnej dziury wynosi około 3,66 do 4,97 mas Słońca i w momencie jej odkrycia była to najmniejsza znana czarna dziura o masie gwiazdowej. Czarna dziura tworzy układ podwójny z gwiazdą V518 Per. Układ został odkryty 5 sierpnia 1992 przez Compton Gamma Ray Observatory. (pl)
- GRO J0422+32 is an X-ray nova and black hole candidate that was discovered by the BATSE instrument on the Compton Gamma Ray Observatory satellite on 5 August 1992. During outburst, it was observed to be stronger than the Crab Nebula gamma-ray source out to photon energies of about 500 keV. It is also known to have a companion M-type main-sequence star, V518 Per, in the constellation Perseus. It has a magnitude of 13.5 in the B spectral band, and 13.2 in the visible band. (en)
- GRO J0422+32 è una nova a raggi X che fa parte di un sistema binario in cui una delle componenti è un buco nero di massa compresa tra le 3,66 e 4,97 masse solari. La componente secondaria è una nana rossa di classe spettrale M1V di magnitudine apparente di 13,2 e di massa 0,116 volte quella solare e ha un periodo orbitale, attorno al buco nero, di 0,212 giorni. Dista circa 8000 anni luce dal sistema solare ed è situata nella costellazione di Perseo. (it)
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| - V518 Per, GRO J0422+33, RLC2006 XB2, Granat 0417+335, Nova Persei 1992, Nova Persei 1993, ZGH2005 OS00676-097731
GRO J0422+32, ZGH2005 XS00676B3-003 (en)
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| - GRO J0422+32 is an X-ray nova and black hole candidate that was discovered by the BATSE instrument on the Compton Gamma Ray Observatory satellite on 5 August 1992. During outburst, it was observed to be stronger than the Crab Nebula gamma-ray source out to photon energies of about 500 keV. The mass of the black hole in GRO J0422+32 falls in the range 3.66 to 4.97 solar masses. This is the smallest yet found for any stellar black hole, and near the theoretical upper mass limit (~2.7 M☉) for a neutron star. Further analysis in 2012 calculated a mass of 2.1 M☉, which raises questions as to what the object actually is. It is also known to have a companion M-type main-sequence star, V518 Per, in the constellation Perseus. It has a magnitude of 13.5 in the B spectral band, and 13.2 in the visible band. (en)
- GRO J0422+32 è una nova a raggi X che fa parte di un sistema binario in cui una delle componenti è un buco nero di massa compresa tra le 3,66 e 4,97 masse solari. La componente secondaria è una nana rossa di classe spettrale M1V di magnitudine apparente di 13,2 e di massa 0,116 volte quella solare e ha un periodo orbitale, attorno al buco nero, di 0,212 giorni. Dista circa 8000 anni luce dal sistema solare ed è situata nella costellazione di Perseo. Fu scoperta durante un outburst il 5 agosto 1992 dal telescopio Compton Gamma Ray Observatory e si tratta di uno dei meno massicci buchi neri scoperti, non molto superiore al limite massimo delle stelle di neutroni di 2,7 volte la massa solare. (it)
- GRO J0422+32 – kandydat na czarną dziurę o masie gwiazdowej położony w gwiazdozbiorze Perseusza, odległy od Ziemi o około 8500 lat świetlnych. Masa czarnej dziury wynosi około 3,66 do 4,97 mas Słońca i w momencie jej odkrycia była to najmniejsza znana czarna dziura o masie gwiazdowej. Czarna dziura tworzy układ podwójny z gwiazdą V518 Per. Układ został odkryty 5 sierpnia 1992 przez Compton Gamma Ray Observatory. (pl)
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