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G 9-38

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GJ 1116
Observation data
Epoch J2000      Equinox J2000
Constellation Cancer
Right ascension 08h 58m 15.194s[1]
Declination +19° 45′ 47.08″[1]
Apparent magnitude (V) 13.720[2]
Characteristics
Spectral type M5.5 V[3]
Astrometry
Radial velocity (Rv)13 ± 5[4] km/s
Proper motion (μ) RA: −862.0[2] mas/yr
Dec.: −54.0[2] mas/yr
Parallax (π)191.3 ± 2.5 mas[5]
Distance17.0 ± 0.2 ly
(5.23 ± 0.07 pc)
Other designations
EI Cnc, GJ 1116, WDS J08582+1945AB, G 9-38, G 47-14, G 41-11, LP 426-40, LTT 12343, PLX 2144.03, GSC 01397-01138, 2MASS J08581519+1945470
A: LHS 2076[6], NLTT 20638[7]
B: LHS 2077[8], NLTT 20637[9]
Database references
SIMBADThe system
A
B

G 9-38, also known as EI Cancri and GJ 1116, is a binary star system consisting of two M-type stars.[10] At 17.04 light-years from the Sun, the system is relatively nearby.[11]

References

  1. ^ a b Cutri, R. M.; et al. (2003). "2MASS All-Sky Catalog of Point Sources". VizieR On-line Data Catalog. Bibcode:2003yCat.2246....0C.
  2. ^ a b c Zacharias, N. (2012). "The fourth US Naval Observatory CCD Astrograph Catalog (UCAC4)". VizieR On-line Data Catalog. Bibcode:2012yCat.1322....0Z.
  3. ^ Henry, Todd J.; Walkowicz, Lucianne M.; Barto, Todd C.; Golimowski, David A. (2002). "The Solar Neighborhood. VI. New Southern Nearby Stars Identified by Optical Spectroscopy". The Astronomical Journal. 123 (4): 2002–2009. arXiv:astro-ph/0112496. Bibcode:2002AJ....123.2002H. doi:10.1086/339315.
  4. ^ "GJ 1116". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 30 January 2018.
  5. ^ Gliese, W.; Jahreiß, H. (1991). "GJ 1116". Preliminary Version of the Third Catalogue of Nearby Stars. Retrieved 2014-11-23.
  6. ^ Luyten, Willem Jacob (1979). "LHS 2076". LHS Catalogue, 2nd Edition.
  7. ^ Luyten, Willem Jacob (1979). "NLTT 20638". NLTT Catalogue.
  8. ^ Luyten, Willem Jacob (1979). "LHS 2077". LHS Catalogue, 2nd Edition.
  9. ^ Luyten, Willem Jacob (1979). "NLTT 20637". NLTT Catalogue.
  10. ^ Vizier query: Name=G* 1116, Centre de Données astronomiques de Strasbourg , accessed 30 December 2012.
  11. ^ Nearby Stars Catalog (NSC), Planetary Habitability Laboratory, University of Puerto Rico at Arecibo accessed 31 December 2012.
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