PT Puppis

PT Puppis
	; A light curve for PT Puppis, plotted from TESS data
Observation data; Epoch J2000 Equinox J2000
Constellation	Puppis
Right ascension	07h 36m 41.03388s
Declination	−19° 42′ 08.4211″
Apparent magnitude (V)	5.720–5.740
Characteristics
Spectral type	B2 II
Variable type	Beta Cephei
Astrometry
Radial velocity (Rv)	+22.00 ± 4.3 km/s
Proper motion (μ)	RA: −7.86 ± 0.21 mas/yr ; Dec.: 5.81 ± 0.20 mas/yr
Parallax (π)	1.93 ± 0.28 mas
Distance	approx. 1,700 ly ; (approx. 520 pc)
Details
Mass	7.94 M☉
Luminosity	6405 L☉
Temperature	19400 K
Other designations
	PT Puppis, HR 2928, HD 61068, HIP 37036, SAO 153149
Database references
SIMBAD	data

PT Puppis (PT Pup) is a star in the constellation Puppis. Anamarija Stankov confirmed this star as a Beta Cephei variable.^[5] Analysis of its spectrum and allowing for extinction gives a mass 7.94 times that of the Sun, a surface temperature of 19,400 K and luminosity of 6405 Suns.^[4]

References

^ "MAST: Barbara A. Mikulski Archive for Space Telescopes". Space Telescope Science Institute. Retrieved 8 December 2021.
^ ^a ^b ^c ^d ^e van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357, S2CID 18759600
^ "GCVS catalog (GCVS 5.1, version Oct, 2020)". Retrieved 3 November 2023.
^ ^a ^b ^c ^d Hohle, M. M.; Neuhäuser, R.; Schutz, B. F. (April 2010), "Masses and luminosities of O- and B-type stars and red supergiants", Astronomische Nachrichten, 331 (4): 349, arXiv:1003.2335, Bibcode:2010AN....331..349H, doi:10.1002/asna.200911355, S2CID 111387483
^ Stankov, Anamarija; Handler, Gerald (2005). "Catalog of Galactic β Cephei Stars". The Astrophysical Journal Supplement Series. 158 (2): 193–216. arXiv:astro-ph/0506495. Bibcode:2005ApJS..158..193S. doi:10.1086/429408. ISSN 0067-0049. S2CID 119526948.

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[MAST-1] "MAST: Barbara A. Mikulski Archive for Space Telescopes". Space Telescope Science Institute. Retrieved 8 December 2021.

[hipparcos-2] van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357, S2CID 18759600

[3] "GCVS catalog (GCVS 5.1, version Oct, 2020)". Retrieved 3 November 2023.

[an331_4_349-4] Hohle, M. M.; Neuhäuser, R.; Schutz, B. F. (April 2010), "Masses and luminosities of O- and B-type stars and red supergiants", Astronomische Nachrichten, 331 (4): 349, arXiv:1003.2335, Bibcode:2010AN....331..349H, doi:10.1002/asna.200911355, S2CID 111387483

[stankov-5] Stankov, Anamarija; Handler, Gerald (2005). "Catalog of Galactic β Cephei Stars". The Astrophysical Journal Supplement Series. 158 (2): 193–216. arXiv:astro-ph/0506495. Bibcode:2005ApJS..158..193S. doi:10.1086/429408. ISSN 0067-0049. S2CID 119526948.

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Observation data Epoch J2000 Equinox J2000
A light curve for PT Puppis, plotted from TESS data^[1]
Constellation	Puppis
Right ascension	07^h 36^m 41.03388^s^[2]
Declination	−19° 42′ 08.4211″^[2]
Apparent magnitude (V)	5.720–5.740^[3]
Characteristics
Spectral type	B2 II
Variable type	Beta Cephei
Astrometry

Radial velocity (R_v)	+22.00 ± 4.3 km/s
Proper motion (μ)	RA: −7.86 ± 0.21^[2] mas/yr Dec.: 5.81 ± 0.20^[2] mas/yr
Parallax (π)	1.93 ± 0.28 mas^[2]
Distance	approx. 1,700 ly (approx. 520 pc)

Details

Mass	7.94^[4] `M`_☉
Luminosity	6405^[4] `L`_☉
Temperature	19400^[4] K

Other designations
PT Puppis, HR 2928, HD 61068, HIP 37036, SAO 153149
Database references
SIMBAD	data

PT Puppis

References

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