A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Camelopardalis |
Right ascension | 04h 051m 13.348s[2] |
Declination | +68° 10′ 07.65″[2] |
Apparent magnitude (V) | 6.3 to 8.5[3] |
Characteristics | |
Evolutionary stage | Carbon star |
Spectral type | C5,4(N5)[3] |
B−V color index | +2.1[4] |
Variable type | SRb[3] |
Astrometry | |
Proper motion (μ) | RA: −2.992±0.136[2] mas/yr Dec.: −3.237±0.185[2] mas/yr |
Parallax (π) | 1.6725 ± 0.0989 mas[2] |
Distance | 2,000 ± 100 ly (600 ± 40 pc) |
Absolute magnitude (MV) | −1.232[5] |
Details | |
Radius | 244[6] R☉ |
Luminosity | 4,478[2] L☉ |
Temperature | 3,388[6] K |
Metallicity | −0.1[7] dex |
Other designations | |
Database references | |
SIMBAD | data |
ST Camelopardalis is a carbon star in the constellation of Camelopardalis. It has a radius of 244 R☉.[6]
Variability
ST Cam is a semiregular variable star. It is doubly periodic, with the two pulsation periods P0 and P1 being equal to 368.6 and 201 days respectively.[8]
References
- ^ "Download Data". aavso.org. AAVSO. Retrieved 1 October 2021.
- ^ a b c d e f 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.
- ^ a b c N. N. Samus; O. V. Durlevich; et al. "ST Cam database entry". Combined General Catalog of Variable Stars (GCVS4.2, 2004 Ed.). CDS. Retrieved 2018-10-14.
- ^ Ita, Y.; Matsuura, M.; Ishihara, D.; Oyabu, S.; Takita, S.; Kataza, H.; Yamamura, Issei; Matsunaga, N.; Tanabé, T.; Nakada, Y.; Fujiwara, H.; Wada, T.; Onaka, T.; Matsuhara, H. (2010). "AKARI's infrared view on nearby stars. Using AKARI infrared camera all-sky survey, 2MASS, and Hipparcos catalogs". Astronomy and Astrophysics. 514: A2. arXiv:1003.1130. Bibcode:2010A&A...514A...2I. doi:10.1051/0004-6361/200913695. S2CID 56323280.
- ^ Gontcharov, G. A. (2017). "VizieR Online Data Catalog: Tycho-2 red giant branch and carbon stars (Gontcharov, 2011)". VizieR On-Line Data Catalog. Bibcode:2017yCat..90370769G.
- ^ a b c Stassun K.G.; et al. (October 2019). "The revised TESS Input Catalog and Candidate Target List". The Astronomical Journal. 158 (4): 138. arXiv:1905.10694. Bibcode:2019AJ....158..138S. doi:10.3847/1538-3881/ab3467. S2CID 166227927.
- ^ Lambert, David L.; Gustafsson, Bengt; Eriksson, Kjell; Hinkle, Kenneth H. (1986). "The Chemical Composition of Carbon Stars. I. Carbon, Nitrogen, and Oxygen in 30 Cool Carbon Stars in the Galactic Disk". The Astrophysical Journal Supplement Series. 62: 373. Bibcode:1986ApJS...62..373L. doi:10.1086/191145.
- ^ Howarth, J. J.; Greaves, J. (February 2001). "ST Camelopardalis: A doubly periodic semiregular variable star". Journal of the British Astronomical Association. 111: 40–42. Bibcode:2001JBAA..111...40H. ISSN 0007-0297.
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