ST Camelopardalis

ST Camelopardalis
Observation data; Epoch J2000.0 Equinox J2000.0
Constellation	Camelopardalis
Right ascension	04h 051m 13.348s
Declination	+68° 10′ 07.65″
Apparent magnitude (V)	6.3 to 8.5
Characteristics
Evolutionary stage	Carbon star
Spectral type	C5,4(N5)
B−V color index	+2.1
Variable type	SRb
Astrometry
Proper motion (μ)	RA: −2.992±0.136 mas/yr ; Dec.: −3.237±0.185 mas/yr
Parallax (π)	1.6725 ± 0.0989 mas
Distance	2,000 ± 100 ly ; (600 ± 40 pc)
Absolute magnitude (MV)	−1.232
Details
Radius	244 R☉
Luminosity	4,478 L☉
Temperature	3,388 K
Metallicity [Fe/H]	−0.1 dex
Other designations
	ST Camelopardalis, ST Cam, HD 20243, HIP 22552, BD+57°350
Database references
SIMBAD	data

ST Camelopardalis is a doubly periodic semiregular variable star and carbon star in the constellation of Camelopardalis.^[7] It has a radius of 244 R_☉.^[5]

References

^ ^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 And 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, I.; 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.{{cite journal}}: CS1 maint: unflagged free DOI (link)
^ 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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[Gaia_DR2-1] ^ ^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.

[gcvs-2] N. N. Samus; O. V. Durlevich; et al. "ST And database entry". Combined General Catalog of Variable Stars (GCVS4.2, 2004 Ed.). CDS. Retrieved 2018-10-14.

[akari-3] Ita, Y.; Matsuura, M.; Ishihara, D.; Oyabu, S.; Takita, S.; Kataza, H.; Yamamura, I.; 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.

[gontcharov2011-4] 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.

[tess-5] 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.{{cite journal}}: CS1 maint: unflagged free DOI (link)

[lambert1986-6] 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.

[howarth2001-7] 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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Observation data Epoch J2000.0 Equinox J2000.0
Constellation	Camelopardalis
Right ascension	04^h 051^m 13.348^s^[1]
Declination	+68° 10′ 07.65″^[1]
Apparent magnitude (V)	6.3 to 8.5^[2]
Characteristics
Evolutionary stage	Carbon star
Spectral type	C5,4(N5)^[2]
B−V color index	+2.1^[3]
Variable type	SRb^[2]
Astrometry

Proper motion (μ)	RA: −2.992±0.136^[1] mas/yr Dec.: −3.237±0.185^[1] mas/yr
Parallax (π)	1.6725 ± 0.0989 mas^[1]
Distance	2,000 ± 100 ly (600 ± 40 pc)
Absolute magnitude (M_V)	−1.232^[4]

Details

Radius	244^[5] `R`_☉
Luminosity	4,478^[1] `L`_☉
Temperature	3,388^[5] K
Metallicity [Fe/H]	−0.1^[6] dex

Other designations
ST Camelopardalis, ST Cam, HD 20243, HIP 22552, BD+57°350
Database references
SIMBAD	data