DS Crucis

DS Crucis
Location of DS Crucis (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Crux
Right ascension 12h 51m 17.97637s[1]
Declination −60° 19′ 47.2386″[1]
Apparent magnitude (V) 5.741[2]
Characteristics
Spectral type A1 Ia[2]
U−B color index −0.088[2]
B−V color index +0.384[2]
Variable type α Cyg?[3]
Astrometry
Radial velocity (Rv)−21.90[4] km/s
Proper motion (μ) RA: −4.63±0.02 mas/yr[5]
Dec.: −0.94±0.03 mas/yr[5]
Parallax (π)0.4534 ± 0.0296 mas[5]
Distance7,200 ± 500 ly
(2,200 ± 100 pc)
Absolute magnitude (MV)−7.29[6]
Details
Mass29[6] M☉
Radius112[6] R☉
Luminosity79,400[6] L☉
Surface gravity (log g)1.45[2] cgs
Temperature9,150[2] K
Metallicity [Fe/H]−0.11[6] dex
Rotational velocity (v sin i)17[2] km/s
Age7[6] Myr
Other designations
DS Cru, HR 4876, CD−59°4432, HD 111613, HIP 62732, 2MASS J12511794-6019473
Database references
SIMBADdata

DS Crucis (HR 4876, HD 111613) is a variable star near the open cluster NGC 4755, which is also known as the Kappa Crucis Cluster or Jewel Box Cluster. It is in the constellation Crux.

  1. ^ a b Cite error: The named reference vanLeeuwen2007 was invoked but never defined (see the help page).
  2. ^ a b c d e f g Cite error: The named reference firnstein was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference gcvs was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Gontcharov 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 d e f Cite error: The named reference przybilla was invoked but never defined (see the help page).