V378 Normae
In today's world, V378 Normae has become a topic of great relevance and interest to countless people. Whether it's its impact on society, its influence on culture, or its importance in history, V378 Normae has captured the attention of scholars, experts, and enthusiasts alike. Its relevance transcends borders and covers different areas, making it a topic of deep analysis and debate. In this article, we will explore the different facets of V378 Normae and its impact on the contemporary world, analyzing its historical relevance, its current influence and its possible implications in the future.
| 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 | −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] It is very faintly visible to the naked eye under excellent observing conditions.
References
- ^ "Hipparcos Tools Interactive Data Access". Hipparcos. ESA. Archived from the original on 26 July 2023. 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. Archived from the original on 15 April 2015. Retrieved 12 April 2015.
- ^ "V378 Normae, HD148218, HIP80788". Universe Guide. 25 January 2015. 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.
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