HD 73882

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Coordinates: Sky map 08h 39m 09.5341s, −40° 25′ 09.2608″

HD 73882
Observation data
Epoch J2000      Equinox J2000
Constellation Vela
Right ascension 08h 39m 09.5341s
Declination −40° 25′ 09.2608″
Apparent magnitude (V) 7.19[1]
Characteristics
Evolutionary stage subgiant star
Spectral type O8.5IV[2]
Apparent magnitude (g) 7.356[3]
Astrometry
HD 73882
Radial velocity (Rv)3.56±0.13[4] km/s
Proper motion (μ) RA: -4.71±0.05[3] mas/yr
Dec.: 3.44±0.06[3] mas/yr
Parallax (π)1.34 ± 0.06[3] mas
Distance2,400 ± 100 ly
(750 ± 30 pc)
Absolute magnitude (MV)2.46±0.17[5]
Details
Metallicity [Fe/H]−0.60±0.10[4] dex
Other designations
2MASS J08390953-4025092, CD-39 4631, HIP 42433, GSC 07666-01830, PPM 313370, NX Vel
HD 73882A: TYC 7666-1830-1, Gaia DR2 5528383187882877312
HD 73882B: TYC 7666-1830-2, Gaia DR2 5528383192183392768
Database references
SIMBADdata

HD 73882 is a visual binary system with separation 0.6″, and compound spectral class O8,[6] one of stars been eclipsing binary system. Period of variability of system is listed as both 2.9199 days and 20.6 days, may be due to second component been SB binary star.[7][8]

The system lies in the constellation of Vela about 2400 light years away from the Sun and belong to the open star cluster .[9]

Circumstellar nebula[]

The star system, located itself behind Vela Supernova Remnant,[10] is obscured by the translucent nebula  [it], located near Vela Molecular Ridge nebulae complex. It is illuminated by the star itself and probably has a close physical associtation with it, together with brighter reflection nebula NGC 2626. The nebulae are rich in hydrogen (including deuterated hydrogen)[11] but contains a detectable amounts of sodium, carbon monoxide, other carbon compounds,[2] including polycyclic aromatic hydrocarbons,[12] and thiols.[13] The nebula associated with the HD 73882 is one of the few exhibiting an emission from compounds containing three carbon atoms, together with .[14] The nebula is unusually depleted of oxygen compared to average interstellar medium.[15]

References[]

  1. ^ "HD 73882". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2022-01-17.
  2. ^ a b Snow, T. P.; Rachford, B. L.; Tumlinson, J.; Shull, J. M.; Welty, D. E.; Blair, W. P.; Ferlet, R.; Friedman, S. D.; Gry, C.; Jenkins, E. B.; Lecavelier, A.; Lemoine, M.; Morton, D. C.; Savage, B. D.; Sembach, K. R.; Vidal-Madjar, A.; York, D. G.; Andersson, B-G; Feldman, P. D.; Moos, H. W. (1999), "[ITAL]Far Ultraviolet Spectroscopic Explorer[/ITAL] Observations of Molecular Hydrogen in Translucent Interstellar Clouds: The Line of Sight toward HD 73882", The Astrophysical Journal, 538: L65–L68, arXiv:astro-ph/0005090, doi:10.1086/312791, S2CID 119349223
  3. ^ a b c Brown, A. G. A.; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics. 649: A1. arXiv:2012.01533. Bibcode:2021A&A...649A...1G. doi:10.1051/0004-6361/202039657. S2CID 227254300. Gaia EDR3 record for this source at VizieR.
  4. ^ a b De Cia, Annalisa; Jenkins, Edward B.; Fox, Andrew J.; Ledoux, Cédric; Ramburuth-Hurt, Tanita; Konstantopoulou, Christina; Petitjean, Patrick; Krogager, Jens-Kristian (2021), "Large metallicity variations in the Galactic interstellar medium", Nature, 597 (7875): 206–208, arXiv:2109.03249, Bibcode:2021Natur.597..206D, doi:10.1038/s41586-021-03780-0, PMID 34497395, S2CID 237439613
  5. ^ Bagnulo, Stefano; Cox, Nick L. J.; Cikota, Aleksandar; Siebenmorgen, Ralf; Voshchinnikov, Nikolai V.; Patat, Ferdinando; Smith, Keith T.; Smoker, Jonathan V.; Taubenberger, Stefan; Kaper, Lex; Cami, Jan; the LIPS collaboration (2017), "Large Interstellar Polarisation Survey (LIPS)", Astronomy & Astrophysics, 608: A146, arXiv:1710.02439, doi:10.1051/0004-6361/201731459, S2CID 119431016
  6. ^ Shull, J. Michael; Danforth, Charles W. (2019), "Distances to Galactic OB Stars: Photometry versus Parallax", The Astrophysical Journal, 882 (2): 180, arXiv:1907.13148, Bibcode:2019ApJ...882..180S, doi:10.3847/1538-4357/ab357d, S2CID 199000762
  7. ^ Sota, A.; Apellániz, J. Maíz; Morrell, N. I.; Barbá, R. H.; Walborn, N. R.; Gamen, R. C.; Arias, J. I.; Alfaro, E. J. (2013), "The Galactic O-Star Spectroscopic Survey (Gosss). Ii. Bright Southern Stars", The Astrophysical Journal Supplement Series, 211: 10, arXiv:1312.6222, doi:10.1088/0067-0049/211/1/10, S2CID 118847528
  8. ^ Sana, H.; Le Bouquin, J.-B.; Lacour, S.; Berger, J.-P.; Duvert, G.; Gauchet, L.; Norris, B.; Olofsson, J.; Pickel, D.; Zins, G.; Absil, O.; De Koter, A.; Kratter, K.; Schnurr, O.; Zinnecker, H. (2014), "Southern Massive Stars at High Angular Resolution: Observational Campaign and Companion Detection", The Astrophysical Journal Supplement Series, 215 (1): 15, arXiv:1409.6304, Bibcode:2014ApJS..215...15S, doi:10.1088/0067-0049/215/1/15, S2CID 53500788
  9. ^ Kharchenko, N. V.; Piskunov, A. E.; Röser, S.; Schilbach, E.; Scholz, R.-D. (2005), "Astrophysical parameters of Galactic open clusters", Astronomy and Astrophysics, 438 (3): 1163–1173, Bibcode:2005A&A...438.1163K, doi:10.1051/0004-6361:20042523, S2CID 9079873
  10. ^ Kameswara Rao, N.; Lambert, David L.; Reddy, Arumalla B. S.; Gupta, Ranjan; Muneer, S.; Singh, Harinder P. (2017), "Unveiling Vela - Time Variability of Interstellar Lines in the Direction of the Vela Supernova Remnant II. Na D and Ca II", Monthly Notices of the Royal Astronomical Society: stx139, arXiv:1701.04349, doi:10.1093/mnras/stx139
  11. ^ Ferlet, R.; André, M.; Hébrard, G.; Lecavelier Des Etangs, A.; Lemoine, M.; Pineau Des Forêts, G.; Roueff, E.; Rachford, B. L.; Shull, J. M.; Snow, T. P.; Tumlinson, J.; Vidal-Madjar, A.; York, D. G.; Moos, H. W. (2000), "[ITAL]Far Ultraviolet Spectroscopic Explorer[/ITAL] Observations of the HD Molecule toward HD 73882", The Astrophysical Journal, 538: L69–L72, arXiv:astro-ph/0006039, doi:10.1086/312799, S2CID 16667758
  12. ^ Shaw, Gargi; Ferland, G. J. (2021), "Role of Polycyclic Aromatic Hydrocarbons on the Cosmic-Ray ionization rate in the Galaxy", The Astrophysical Journal, 908 (2): 138, arXiv:2101.03732, Bibcode:2021ApJ...908..138S, doi:10.3847/1538-4357/abdab2, S2CID 231573427
  13. ^ Zhao, D.; Galazutdinov, G. A.; Linnartz, H.; Krełowski, J. (2015), "Mercapto radical (SH) in translucent interstellar clouds", Astronomy & Astrophysics, 579: L1, Bibcode:2015A&A...579L...1Z, doi:10.1051/0004-6361/201526488
  14. ^ Schmidt, M. R.; Krełowski, J.; Galazutdinov, G. A.; Zhao, D.; Haddad, M. A.; Ubachs, W.; Linnartz, H. (2014), "Detection of vibronic bands of C3 in a translucent cloud towards HD 169454", Monthly Notices of the Royal Astronomical Society, 441 (2): 1134–1146, Bibcode:2014MNRAS.441.1134S, doi:10.1093/mnras/stu641
  15. ^ Zuo, Wenbo; Li, Aigen; Zhao, Gang (2021), "Interstellar Extinction and Elemental Abundances: Individual Sight Lines", The Astrophysical Journal Supplement Series, 257 (2): 63, arXiv:2111.03903, Bibcode:2021ApJS..257...63Z, doi:10.3847/1538-4365/ac2cc3, S2CID 243847325
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