From Wikipedia, the free encyclopedia
TT Corvi
Observation data
Epoch J2000.0       Equinox J2000.0 ( ICRS)
Constellation Corvus
Right ascension 12h 23m 18.868s
Declination −11° 48′ 43.64″
A visual band light curve for TT Corvi, plotted from ASAS data [1]

TT Corvi (TT Crv) is a semiregular variable star in the constellation Corvus. It is a red giant of spectral type M3III and average apparent magnitude 6.48 around 923 light years distant. [2] It shines with a luminosity approximately 993 times that of the Sun and has a surface temperature of 3630 K. [3]

References

  1. ^ "ASAS All Star Catalogue". The All Sky Automated Survey. Retrieved 8 December 2021.
  2. ^ Tabur, V.; Bedding, T. R. (2009). "Long-term photometry and periods for 261 nearby pulsating M giants". Monthly Notices of the Royal Astronomical Society. 400 (4): 1945–61. arXiv: 0908.3228. Bibcode: 2009MNRAS.400.1945T. doi: 10.1111/j.1365-2966.2009.15588.x. S2CID  15358380.
  3. ^ McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental Parameters and Infrared Excesses of Hipparcos Stars". Monthly Notices of the Royal Astronomical Society. 427 (1): 343–57. arXiv: 1208.2037. Bibcode: 2012MNRAS.427..343M. doi: 10.1111/j.1365-2966.2012.21873.x. S2CID  118665352.
From Wikipedia, the free encyclopedia
TT Corvi
Observation data
Epoch J2000.0       Equinox J2000.0 ( ICRS)
Constellation Corvus
Right ascension 12h 23m 18.868s
Declination −11° 48′ 43.64″
A visual band light curve for TT Corvi, plotted from ASAS data [1]

TT Corvi (TT Crv) is a semiregular variable star in the constellation Corvus. It is a red giant of spectral type M3III and average apparent magnitude 6.48 around 923 light years distant. [2] It shines with a luminosity approximately 993 times that of the Sun and has a surface temperature of 3630 K. [3]

References

  1. ^ "ASAS All Star Catalogue". The All Sky Automated Survey. Retrieved 8 December 2021.
  2. ^ Tabur, V.; Bedding, T. R. (2009). "Long-term photometry and periods for 261 nearby pulsating M giants". Monthly Notices of the Royal Astronomical Society. 400 (4): 1945–61. arXiv: 0908.3228. Bibcode: 2009MNRAS.400.1945T. doi: 10.1111/j.1365-2966.2009.15588.x. S2CID  15358380.
  3. ^ McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental Parameters and Infrared Excesses of Hipparcos Stars". Monthly Notices of the Royal Astronomical Society. 427 (1): 343–57. arXiv: 1208.2037. Bibcode: 2012MNRAS.427..343M. doi: 10.1111/j.1365-2966.2012.21873.x. S2CID  118665352.

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