TT Corvi

TT Corvi
Observation data; Equinox J2000.0]] (ICRS)
Constellation	Corvus
Right ascension	12h 23m 18.867s
Declination	−11° 48′ 43.63″
Apparent magnitude (V)	6.47 to 6.57
Characteristics
Spectral type	M3III
Variable type	semiregular
Astrometry
Radial velocity (Rv)	−0.17±0.15 km/s
Proper motion (μ)	RA: −51.390 mas/yr ; Dec.: −10.877 mas/yr
Parallax (π)	3.2721 ± 0.0484 mas
Distance	1,000 ± 10 ly ; (306 ± 5 pc)
Database references
SIMBAD	data

Short description: Variable star in the constellation Corvus

A visual band light curve for TT Corvi, plotted from *ASAS* data^[3]

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.^[4] It shines with a luminosity approximately 993 times that of the Sun and has a surface temperature of 3,630 K.^[5]

References

↑ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 ^1.5 Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940 Gaia DR3 record for this source at VizieR.
↑ ^2.0 ^2.1 ^2.2 Samus', N. N.; Kazarovets, E. V.; Durlevich, O. V.; Kireeva, N. N.; Pastukhova, E. N. (2017). "General catalogue of variable stars: Version GCVS 5.1". Astronomy Reports 61 (1): 80. doi:10.1134/S1063772917010085. Bibcode: 2017ARep...61...80S.
↑ "ASAS All Star Catalogue". The All Sky Automated Survey. http://www.astrouw.edu.pl/asas/?page=aasc.
↑ 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. doi:10.1111/j.1365-2966.2009.15588.x. Bibcode: 2009MNRAS.400.1945T.
↑ 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. doi:10.1111/j.1365-2966.2012.21873.x. Bibcode: 2012MNRAS.427..343M.

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Original source: https://en.wikipedia.org/wiki/TT Corvi. Read more

[dr3-1] 1.0 ^1.1 ^1.2 ^1.3 ^1.4 ^1.5 Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940 Gaia DR3 record for this source at VizieR.

[gcvs-2] 2.0 ^2.1 ^2.2 Samus', N. N.; Kazarovets, E. V.; Durlevich, O. V.; Kireeva, N. N.; Pastukhova, E. N. (2017). "General catalogue of variable stars: Version GCVS 5.1". Astronomy Reports 61 (1): 80. doi:10.1134/S1063772917010085. Bibcode: 2017ARep...61...80S.

[ASASServer-3] "ASAS All Star Catalogue". The All Sky Automated Survey. http://www.astrouw.edu.pl/asas/?page=aasc.

[tabur2009-4] 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. doi:10.1111/j.1365-2966.2009.15588.x. Bibcode: 2009MNRAS.400.1945T.

[Mcdonald-5] 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. doi:10.1111/j.1365-2966.2012.21873.x. Bibcode: 2012MNRAS.427..343M.

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Observation data Equinox J2000.0]] (ICRS)
Constellation	Corvus
Right ascension	12^h 23^m 18.867^s^[1]
Declination	−11° 48′ 43.63″^[1]
Apparent magnitude (V)	6.47 to 6.57^[2]
Characteristics
Spectral type	M3III^[2]
Variable type	semiregular^[2]
Astrometry

Radial velocity (R_v)	−0.17±0.15^[1] km/s
Proper motion (μ)	RA: −51.390^[1] mas/yr Dec.: −10.877^[1] mas/yr
Parallax (π)	3.2721 ± 0.0484^[1] mas
Distance	1,000 ± 10 ly (306 ± 5 pc)

Database references
SIMBAD	data

TT Corvi

Topic: Astronomy

References