TT Corvi

Short description: Variable star in the constellation Corvus

TT Corvi  Observation data
Equinox J2000.0]] (ICRS)

Constellation | Corvus
Right ascension |  12h 23m 18.867s[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 (Rv)| −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
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. ↑ 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. ↑ 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.
3. ↑ "ASAS All Star Catalogue". The All Sky Automated Survey. http://www.astrouw.edu.pl/asas/?page=aasc.
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.
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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Corvus constellation

Stars (list)|

| Bayer|

* α (Alchiba)
* β (Kraz)
* γ (Gienah)
* δ (Algorab)
* ε (Minkar)
* ζ
* η

|

Flamsteed|

* 3
* 6
* 31 Crt

Variable|

* R
* W
* RV
* SX
* TT
* TU
* TV
* VV

HR|

* 4588
* 4655
* 4670
* 4691
* 4699
* 4742
* 4758
* 4759
* 4776
* 4778
* 4779
* 4809
* 4822
* 4827
* 4911

HD|

* 103774
* 104067
* 109132
* 111031
* 111980

Gliese|

* Gliese 465
* Gliese 3707

Other|

* DENIS-P J1228.2−1547
* 2MASS J12140866−2345172

Nebulae|

| Planetary|

* NGC 4361

|

Galaxies|

| NGC|

* 4024
* 4027
* 4027A
* 4033
* 4035
* 4050
* 4094
* 4114
* 4177
* 4188
* 4225
* 4263
* 4329
* 4462
* 4524
* 4714
* 4722
* 4723
* 4724
* 4726
* 4727
* 4748
* 4756
* 4763
* 4792
* 4794
* 4804

|

Other|

* Antennae Galaxies (NGC 4038/4039)
* 3C 278 (NGC 4782/4783)

Galaxy
clusters|

* Abell 1631
* NGC 4038 Group

Other|

* GRB 030429
* SN 2004gt
* SN 2007sr

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*[Dec.:]: Declination
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