V883 Orionis

The location of V883 Orionis (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Orion
Right ascension 05h 38m 18.102s[1]
Declination −07° 02 26.02[1]
Characteristics
Variable type FU Ori
Astrometry
Proper motion (μ) RA: −0.938[1] mas/yr
Dec.: +1.490[1] mas/yr
Parallax (π)1.5259 ± 0.2923 mas[1]
Distance414[2] pc
Details
Mass1.29±0.02[2] M
Luminosity (bolometric)195[3] L
Age0.5[2] Myr
Other designations
V883 Ori, HBC 489
Database references
SIMBADdata

V883 Orionis is a protostar in the constellation of Orion. It is associated with IC 430 (Haro 13A), a peculiar Hα object surveyed by Guillermo Haro in 1952.[4] It is assumed to be a member of the Orion Nebula cluster at 414±7 pc.[2]

V883 Orionis, like most protostars, is surrounded by a circumstellar disc of dust. The dust has a water snow-line, a certain distance where the stellar irradiance from the star is low enough that water can freeze to snow. The water snow-line was directly imaged by ALMA, when a stellar outburst increased the amount of insolation and pushed the line out farther.[2] In 2023, it was announced that signs of water vapor had been detected in V883 Orionis' disc.[5]

References

  1. 1 2 3 4 5 Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
  2. 1 2 3 4 5 Cieza, Lucas A.; et al. (2016). "Imaging the water snow-line during a protostellar outburst". Nature. 535 (7611): 258–261. arXiv:1607.03757. Bibcode:2016Natur.535..258C. doi:10.1038/nature18612. PMID 27411631. S2CID 205249709.
  3. Furlan, E. (May 2016). "The Herschel Orion Protostar Survey: Spectral Energy Distributions and Fits Using a Grid of Protostellar Models". The Astrophysical Journal Supplement Series. 224 (1): 5. arXiv:1602.07314. Bibcode:2016ApJS..224....5F. doi:10.3847/0067-0049/224/1/5.
  4. Allen, D. A.; Strom, K. M.; Grasdalen, G. L.; Strom, S. E.; Merrill, K. M. (1975). "Haro 13a: A Luminous, Heavily Obscured Star in Orion?". Monthly Notices of the Royal Astronomical Society. 173: 47P–50P. Bibcode:1975MNRAS.173P..47A. doi:10.1093/mnras/173.1.47P.
  5. "Astronomers find missing link for water in the Solar System". ESO. 8 March 2023. Retrieved 21 March 2023.


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