B90 (star)

B90 (star)

HST image of B90, the star can be seen near the centre.
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Dorado
Right ascension 05h 24m 19.3095s[1]
Declination −69° 38′ 49.374″[1]
Apparent magnitude (V) 14.271±0.194[2]
Characteristics
Evolutionary stage Red supergiant
Spectral type M3−4 I[3]
Apparent magnitude (U) 19.519[4]
Apparent magnitude (B) 16.688[4]
Apparent magnitude (R) 11[4]
Apparent magnitude (G) 12.135779±0.004246[5]
Apparent magnitude (I) 10.804±0.105[4]
Apparent magnitude (J) 8.360±0.018[4]
Apparent magnitude (H) 7.375±0.038[4]
Apparent magnitude (K) 6.809±0.023[4]
Variable type SRc[3]
Astrometry
Radial velocity (Rv)263.49±1.02[6] km/s
Proper motion (μ) RA: 1.913±0.037[6] mas/yr
Dec.: 0.411±0.034[6] mas/yr
Parallax (π)0.0457 ± 0.027 mas[5]
Distance45,590[7] pc
Details
Mass25 (initial)[3] M☉
Radius1,000+70
−80 – 1,210[3] R☉
Luminosity209,000±5,000[3] L☉
Surface gravity (log g)−0.2+0.20
−0.30[3] cgs
Temperature3,550±40 – 3,900+150
−100[3] K
Metallicity0.0+0.2
−0.1[3] dex
Other designations
WOH S264, LI-LMC 976, MSX LMC 461, RM 1-339, SP77 47-10[1]
Database references
SIMBADdata

B90 (often referred to as [W60] B90) is a large, highly luminous[8][3] red supergiant star similar to Betelgeuse[3] in the Large Magellanic Cloud.

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  2. ^ Cite error: The named reference ogle was invoked but never defined (see the help page).
  3. ^ a b c d e f g h i j Cite error: The named reference deWit2024 was invoked but never defined (see the help page).
  4. ^ a b c d e f g Cite error: The named reference AGB-RGB was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference edr3 was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference dr3 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference distance was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference LMC-SMC was invoked but never defined (see the help page).