10 Persei

Coordinates: Sky map 02h 25m 16s, +56° 36′ 35″
Source: Wikipedia, the free encyclopedia.
10 Persei
Location of 10 Per (circled)
Observation data
J2000
Constellation Perseus
Right ascension 02h 25m 16.02834s[1]
Declination +56° 36′ 35.3544″[1]
Apparent magnitude (V) 6.26[2]
Characteristics
Evolutionary stage Blue supergiant
Spectral type B2Ia[3]
U−B color index −0.61[2]
B−V color index +0.30[2]
Variable type α Cyg[4]
Distance
7000±815 ly
(2,150±250 pc)[5]
Absolute magnitude (MV)−6.70[6]
Details
Myr
SAO 23304, GC
 2885
Database references
SIMBADdata
10 Per is the bright star below and right of the Double Cluster

10 Persei is a blue supergiant star in the constellation Perseus. Its apparent magnitude is 6.26 although it is slightly variable.

10 Persei is located around 3,333 parsecs (10,870 ly) distant in the Perseus OB1 stellar association. It lies close to the Double Cluster and is considered a cluster member.[7]

A light curve for V554 Persei, plotted from Hipparcos data[8]

In 1999, 10 Persei was given the

variable star designation V554 Persei, after being identified as varying in Hipparcos photometry.[9] Its brightness varies by less than a tenth of a magnitude with no clear period.[4]

References

  1. ^
    S2CID 244398875
    . Gaia DR3 record for this source at VizieR.
  2. ^
    Bibcode:2002yCat.2237....0D
    .
  3. doi:10.1051/0004-6361/200810319
    .
  4. ^
    Bibcode:2009yCat....102025S
    .
  5. ^
    ISSN 0004-6361
  6. S2CID 1552752
    .
  7. S2CID 14252530
    .
  8. ^ "Hipparcos Tools Interactive Data Access". Hipparcos. ESA. Retrieved 8 December 2021.
  9. Bibcode:1999IBVS.4659....1K
    .

Further reading


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