V378 Normae

V378 Normae

A light curve for V378 Normae, plotted from Hipparcos data[1]
Observation data Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation	Norma
Right ascension	16^h 29^m 45.2207^s[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
V378 Normae, CD−57°6417, HD 148218, HIP 80788, HR 6120
Database references
SIMBAD	data

V378 Normae (also known as HR 6120) is a supergiant star in the constellation Norma. It is a likely Cepheid variable with a range of 6.21 to 6.23 and a period of 3.5850 days.[3]

References

1. "Hipparcos Tools Interactive Data Access". Hipparcos. ESA. Retrieved 8 December 2021.
2. 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.
3. Watson, Christopher (4 January 2010). "V378 Normae". AAVSO Website. American Association of Variable Star Observers. Retrieved 12 April 2015.
4. "V378 Normae, HD148218, HIP80788". Universe Guide. Retrieved 12 February 2019.
5. 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.
6. 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.
7. 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.