RS Puppis
Variable star in the constellation Puppis / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about RS Puppis?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
RS Puppis (or RS Pup) is a Cepheid variable star around 6,000 ly away in the constellation of Puppis. It is one of the biggest and brightest known Cepheids in the Milky Way galaxy and has one of the longest periods for this class of star at 41.5 days.
Quick Facts Constellation, Right ascension ...
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Puppis |
Right ascension | 08h 13m 04.21601s[1] |
Declination | −34° 34′ 42.7023″[1] |
Apparent magnitude (V) | 6.5-7.6[2] |
Characteristics | |
Spectral type | G2Ib[3] (F9 - G7[4]) |
U−B color index | 1.2[5] |
B−V color index | 1.5[5] |
Variable type | δ Cep[4] |
Astrometry | |
Radial velocity (Rv) | 24.60[6] km/s |
Proper motion (μ) | RA: -3.19[1] mas/yr Dec.: 2.33[1] mas/yr |
Parallax (π) | 0.5844 ± 0.0260 mas[7] |
Distance | 5,600 ± 200 ly (1,710 ± 80 pc) |
Absolute magnitude (MV) | -5.70[8] |
Details | |
Mass | 9.2[8] M☉ |
Radius | 191[9] (164 - 208) R☉ |
Luminosity | 21,700[9] (14,200 - 29,500) L☉ |
Temperature | 5,060[9] (4,640 - 5,850) K |
Metallicity [Fe/H] | 0.17[10] dex |
Age | 28[10] Myr |
Other designations | |
Database references | |
SIMBAD | data |
Close