QW Puppis

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QW Puppis
Puppis constellation map.svg
Red circle.svg
Location of QW Puppis (circled)
Observation data
Epoch J2000       Equinox J2000
Constellation Puppis
Right ascension 07h 12m 33.62514s [1]
Declination −46° 45 33.4966 [1]
Apparent magnitude  (V)4.49 [2]
Characteristics
Spectral type F3V Fe-1.0 [3]
U−B color index −0.01 [2]
B−V color index +0.32 [2]
Variable type γ Dor [4]
Astrometry
Radial velocity (Rv)+0.10 [5]  km/s
Proper motion (μ)RA: −135.806 [1]   mas/yr
Dec.: +107.433 [1]   mas/yr
Parallax (π)46.9031 ± 0.1185  mas [1]
Distance 69.5 ± 0.2  ly
(21.32 ± 0.05  pc)
Absolute magnitude  (MV)2.84 [6]
Details
Mass 1.52 [7]   M
Radius 1.7 [1]   R
Luminosity 6.4 [7]   L
Surface gravity (log g)4.17 [8]   cgs
Temperature 6,934 [7]   K
Metallicity [Fe/H]−0.24 [6]   dex
Rotational velocity (v sin i)51 [7]  km/s
Age 1.6 [1]   Gyr
Other designations
I Puppis, QW Pup, CD−46°2977, FK5  275, GC  9569, GJ  9225, GSC  08119-02547, HIP  34834, HR  2740, HD  55892, SAO  218537
Database references
SIMBAD data

QW Puppis (QW Pup) is a class F3V (yellow-white dwarf) star in the constellation Puppis. Its apparent magnitude is 4.49 and it is approximately 69.5 light years away based on parallax.

A light curve for QW Puppis, plotted from TESS data QWPupLightCurve.png
A light curve for QW Puppis, plotted from TESS data

It is a Gamma Doradus variable, ranging from 4.5 to 4.47 magnitude with a period of 0.96 days. [4] With a mass of 1.5  M and an age of 1.6 billion years, it is about halfway through its main sequence lifetime. [7]

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<span class="mw-page-title-main">1 Puppis</span> Red giant star in the constellation Puppis

1 Puppis is a single star in the southern constellation of Puppis. It lies in the northern part of the constellation at a distance of about 790 ly, east of Aludra in Canis Major and just north of the white supergiant, 3 Puppis. This object is visible to the naked eye as a faint, red-hued star with an apparent visual magnitude of 4.59. It is moving further from the Earth with a heliocentric radial velocity of +32.4 km/s.

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<span class="mw-page-title-main">MX Puppis</span> Star in the constellation Puppis

MX Puppis is a class B1.5IV star in the constellation Puppis. Its apparent magnitude varies irregularly between magnitude 4.6 and 4.9 and it is classified as a Gamma Cassiopeiae variable. It is approximately 930 light years away based on parallax.

<span class="mw-page-title-main">OU Puppis</span> A-type star in the constellation Puppis

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<span class="mw-page-title-main">HD 51799</span> Red giant star in the constellation Puppis

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<span class="mw-page-title-main">20 Puppis</span> Star in the constellation Puppis

20 Puppis is a solitary star in the southern constellation of Puppis. It is visible to the naked eye as a faint, yellow-hued star with an apparent visual magnitude of 4.99. The star lies approximately 990 light years away from the Sun based on parallax. It is receding from the Earth with a heliocentric radial velocity of +16.8 km/s.

<span class="mw-page-title-main">42 Persei</span> Binary star system in the constellation Perseus

42 Persei is a binary star system in the northern constellation of Perseus. It has the Bayer designation n Persei, while 42 Persei is the Flamsteed designation. The system is visible to the naked eye as a dim, white-hued point of light with an apparent visual magnitude of 5.11. It is located around 93 parsecs (302 ly) distant from the Sun, but is drifting closer with a radial velocity of −12.4 km/s.

<span class="mw-page-title-main">43 Persei</span> Spectroscopic binary star system in the constellation Perseus

43 Persei is a binary star system in the northern constellation Perseus. It is visible to the naked eye as a dim, yellow-white hued star with an apparent visual magnitude of 5.28. The system is located around 38.5 parsecs (125.4 ly) distant from the Sun, based on parallax.

<span class="mw-page-title-main">21 Persei</span> Star in the constellation Perseus

21 Persei is a single, variable star in the northern constellation of Perseus, located about 331 light years away from the Sun. It is visible to the naked eye as a faint, white-hued star with an apparent visual magnitude of 5.10 km/s. The object is moving further from the Earth with a heliocentric radial velocity of +8.5 km/s. It has the variable star designation LT Persei; 21 Persei is the Flamsteed designation.

References

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