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FSC 15307+3253

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Galaxy in the constellation Corona Borealis
FSC15307+3253
HST image of FSC 15307+3253
Observation data (J2000 epoch)
ConstellationCorona Borealis
Right ascension15 32 44.02597
Declination+32° 42′ 46.7198″
Redshift0.9257 ± 0.0012
Heliocentric radial velocity172447 ± 360 km/s
Apparent magnitude (V)19.8
Characteristics
Mass1×10 (stellar) M☉
Other designations
IRAS F15307+3252

FSC15307+3253 (or IRAS F15307+3252) is an ultraluminous infrared galaxy (ULIRG), with a luminosity between 8 and 1000 μm of approximately 2×10 L⊙, possibly the highest currently known. The "FSC" refers to Faint Source Catalogue, one of the source catalogs produced by the IRAS infrared survey mission. The emission is believed due to some combination of starburst activity and accretion onto a super-massive black hole, producing primary radiation at shorter wavelengths which is mostly blocked by obscuring dust, which is in turn heated and re-radiates in the infrared. The redshift of the source is z = 0.93, indicating a distance of the order of 7 billion light years.

References

  1. ^ Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051.
  2. ^ Cutri, Roc M.; Huchra, John P.; Low, Frank J.; Brown, Robert L.; Vanden Bout, Paul A. (April 1994). "IRAS F15307+3252: A hyperluminous infrared galaxy at z=0.93". The Astrophysical Journal Letters. 424 (2). IOP Publishing: L65 – L68. Bibcode:1994ApJ...424L..65C. doi:10.1086/187276.
  3. ^ "IRAS F15307+3252". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-04-03.
  4. Hlavacek-Larrondo, J.; Gandhi, P.; Hogan, M. T.; Gendron-Marsolais, M. -L.; Edge, A. C.; Fabian, A. C.; Russell, H. R.; Iwasawa, K.; Mezcua, M. (2017). "Chandra X-ray observations of the hyper-luminous infrared galaxy IRAS F15307+3252". Monthly Notices of the Royal Astronomical Society. 464 (2): 2223. arXiv:1606.07818. Bibcode:2017MNRAS.464.2223H. doi:10.1093/mnras/stw2468. S2CID 119165955.
Constellation of Corona Borealis
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Flamsteed
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