Astronomy:IGR J17329-2731

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IGR J17329-2731
Observation data
Epoch J2000.0   Equinox (celestial coordinates)
Constellation Ophiuchus
Right ascension  17h 32m 50.28s
Declination −27° 30′ 04.9″
Distance8800+11000
−3900 ly
(2700+3400
−1200[1] pc)
Spectral typeM III[1][note 1]
Database references
SIMBADdata

IGR J17329-2731[1] as described by European Space Agency astronomers is a single faint transient X-ray source (ATel #10644) observed with Swift/XRT on 16 August 2017 from 2:26 to 2:45 UTC with an effective exposure of time of 1 ks. It was detected within the positional uncertainty provided by INTEGRAL IBIS imagery.[2] It was described as the birth of a symbiotic X-ray binary,[1] a "first" in the lifecycle of an interacting binary star, or a zombie neutron star brought back to life by its neighboring red giant. When first described in 2017, it was seen as an X-ray flare "from an unknown source" in the direction from the galactic (Milky Way) center.[3]

See also

References

  1. ↑ 1.0 1.1 1.2 1.3 E. Bozzo; A. Bahramian; C. Ferrigno; A. Sanna; J. Strader; F. Lewis; D. M. Russell; T. di Salvo et al. (2018). "IGR J17329-2731: The birth of a symbiotic X-ray binary". Astronomy & Astrophysics (ESO) 613: A22. doi:10.1051/0004-6361/201832588. Bibcode: 2018A&A...613A..22B. 
  2. ↑ Bozzo, E.; Kuulkers, E.; Postel, A.; Savchenko, V.; Sanchez-Fernandez, C.; Wijnands, R.; Pottschmidt, K.; Beckmann, V. et al. (16 August 2017). "IGR J17329-2731: Swift/XRT localization and characterization". The Astronomer's Telegram 10645: 1. Bibcode: 2017ATel10645....1B. 
  3. ↑ "Zombie Neutron Star Brought Back To Life By Neighboring Red Giant". International Business Times. 7 March 2018. http://www.ibtimes.com/zombie-neutron-star-brought-back-life-neighboring-red-giant-2660488. 

Notes

  1. ↑ The donor star is described as a "late M giant"


Coordinates: Sky map 17h 32m 50.28s, −27° 30′ 4.9″



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