| Observation data Epoch J2000.0 Equinox J2000.0 ( ICRS) | |
|---|---|
| Constellation | Norma |
| Right ascension | 16h 29m 45.2207s [2] |
| Declination | −57° 45′ 22.767″ [2] |
| Apparent magnitude (V) | 6.21 - 6.23 [3] |
| Characteristics | |
| Spectral type | G8Ib [4] |
| Variable type | Cepheid [3] |
| Astrometry | |
| Radial velocity (Rv) | 5.93±0.15 [2] km/s |
| Proper motion (μ) |
RA: −1.666
[2]
mas/
yr Dec.: −2.559 [2] mas/ yr |
| Parallax (π) | 1.0264 ± 0.0349 mas [2] |
| Distance | 3,200 ± 100
ly (970 ± 30 pc) |
| Absolute magnitude (MV) | −0.078 [5] |
| Details | |
| Mass | 3.43 [6] M☉ |
| Radius | 115 [7] R☉ |
| Luminosity | 4,214 [7] L☉ |
| Surface gravity (log g) | 0.72 [6] cgs |
| Temperature | 4,335 [7] K |
| Metallicity [Fe/H] | −0.25 [6] dex |
| Other designations | |
| Database references | |
| SIMBAD | data |
V378 Normae (also known as HR 6120) is a very luminous supergiant type star in the constellation Norma. [8] It is a likely Cepheid variable with a range of 6.21 to 6.23 and a period of 3.5850 days. [3]
References
- ^ "Hipparcos Tools Interactive Data Access". Hipparcos. ESA. Retrieved 8 December 2021.
- ^ a b c d e f Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv: 2208.00211. Bibcode: 2023A&A...674A...1G. doi: 10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- ^ a b c Watson, Christopher (4 January 2010). "V378 Normae". AAVSO Website. American Association of Variable Star Observers. Retrieved 12 April 2015.
- ^ "V378 Normae, HD148218, HIP80788". Universe Guide. Retrieved 12 February 2019.
- ^ Gontcharov, G. A. (2011). "The red giant branch in the Tycho-2 catalogue". Astronomy Letters. 37 (10): 707–717. arXiv: 1607.00557. Bibcode: 2011AstL...37..707G. doi: 10.1134/S1063773711090040. S2CID 119272127.
- ^ a b c Anders, F.; Khalatyan, A.; Chiappini, C.; Queiroz, A. B.; Santiago, B. X.; Jordi, C.; Girardi, L.; Brown, A. G. A.; Matijevic, G.; Monari, G.; Cantat-Gaudin, T. (2019-08-01). "Photo-astrometric distances, extinctions, and astrophysical parameters for Gaia DR2 stars brighter than G = 18". Astronomy and Astrophysics. 628: A94. arXiv: 1904.11302. Bibcode: 2019A&A...628A..94A. doi: 10.1051/0004-6361/201935765. ISSN 0004-6361.
- ^ a b c Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv: 1804.09365. Bibcode: 2018A&A...616A...1G. doi: 10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
- ^ "V378 Normae Star Distance, Colour, Size (Radius) and other Facts". universeguide.com. 2015-01-25. Retrieved 2023-11-03.
 | This supergiant-related article is a stub. You can help Wikipedia by expanding it. |
 | This variable star–related article is a stub. You can help Wikipedia by expanding it. |
| Observation data Epoch J2000.0 Equinox J2000.0 ( ICRS) | |
|---|---|
| Constellation | Norma |
| Right ascension | 16h 29m 45.2207s [2] |
| Declination | −57° 45′ 22.767″ [2] |
| Apparent magnitude (V) | 6.21 - 6.23 [3] |
| Characteristics | |
| Spectral type | G8Ib [4] |
| Variable type | Cepheid [3] |
| Astrometry | |
| Radial velocity (Rv) | 5.93±0.15 [2] km/s |
| Proper motion (μ) |
RA: −1.666
[2]
mas/
yr Dec.: −2.559 [2] mas/ yr |
| Parallax (π) | 1.0264 ± 0.0349 mas [2] |
| Distance | 3,200 ± 100
ly (970 ± 30 pc) |
| Absolute magnitude (MV) | −0.078 [5] |
| Details | |
| Mass | 3.43 [6] M☉ |
| Radius | 115 [7] R☉ |
| Luminosity | 4,214 [7] L☉ |
| Surface gravity (log g) | 0.72 [6] cgs |
| Temperature | 4,335 [7] K |
| Metallicity [Fe/H] | −0.25 [6] dex |
| Other designations | |
| Database references | |
| SIMBAD | data |
V378 Normae (also known as HR 6120) is a very luminous supergiant type star in the constellation Norma. [8] It is a likely Cepheid variable with a range of 6.21 to 6.23 and a period of 3.5850 days. [3]
References
- ^ "Hipparcos Tools Interactive Data Access". Hipparcos. ESA. Retrieved 8 December 2021.
- ^ a b c d e f Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv: 2208.00211. Bibcode: 2023A&A...674A...1G. doi: 10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- ^ a b c Watson, Christopher (4 January 2010). "V378 Normae". AAVSO Website. American Association of Variable Star Observers. Retrieved 12 April 2015.
- ^ "V378 Normae, HD148218, HIP80788". Universe Guide. Retrieved 12 February 2019.
- ^ Gontcharov, G. A. (2011). "The red giant branch in the Tycho-2 catalogue". Astronomy Letters. 37 (10): 707–717. arXiv: 1607.00557. Bibcode: 2011AstL...37..707G. doi: 10.1134/S1063773711090040. S2CID 119272127.
- ^ a b c Anders, F.; Khalatyan, A.; Chiappini, C.; Queiroz, A. B.; Santiago, B. X.; Jordi, C.; Girardi, L.; Brown, A. G. A.; Matijevic, G.; Monari, G.; Cantat-Gaudin, T. (2019-08-01). "Photo-astrometric distances, extinctions, and astrophysical parameters for Gaia DR2 stars brighter than G = 18". Astronomy and Astrophysics. 628: A94. arXiv: 1904.11302. Bibcode: 2019A&A...628A..94A. doi: 10.1051/0004-6361/201935765. ISSN 0004-6361.
- ^ a b c Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv: 1804.09365. Bibcode: 2018A&A...616A...1G. doi: 10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
- ^ "V378 Normae Star Distance, Colour, Size (Radius) and other Facts". universeguide.com. 2015-01-25. Retrieved 2023-11-03.
|
| This supergiant-related article is a stub. You can help Wikipedia by expanding it. |
|
| This variable star–related article is a stub. You can help Wikipedia by expanding it. |