Beta Sagittae

Source: Wikipedia, the free encyclopedia.
β Sagittae
Location of β Sagittae (circled)
Observation data
ICRS
)
Constellation
Sagitta
Right ascension 19h 41m 02.93907s[1]
Declination +17° 28′ 33.7528″[1]
Apparent magnitude (V) 4.38[2]
Characteristics
Spectral type G8 IIIa CN 0.5[3]
U−B color index +0.89[4]
B−V color index +1.05[4]
R−I color index +0.50[4]
Distance
420 ± 10 ly
(129 ± 3 pc)
Absolute magnitude (MV)−1.39+0.22
−0.20[7]
Details
Myr
PPM 136766[12]
Database references
SIMBADdata

Beta Sagittae,

light years from the Sun. The star is moving closer to the Sun with a radial velocity of −22 km/s.[5]

This is an

Sun's luminosity from its enlarged photosphere at an effective temperature of 4,850 K.[7]

Naming

In

Chinese name for β Sagittae itself is 左旗二 (Zuǒ Qí èr, English: the Second Star of Left Flag.)[14]

References

  1. ^
    S2CID 18759600
    .
  2. ^
    doi:10.1086/190856
    .
  3. ^
    doi:10.1086/191373
    .
  4. ^
    CDS. HR 7488
    , database entry
  5. ^
    S2CID 119231169
    .
  6. ^
    doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR
    .
  7. ^
    S2CID 2756572
    .
  8. ^
    S2CID 119226316
    , 94.
  9. ^
    S2CID 118372600
    .
  10. ^
    S2CID 118665352
    .
  11. ^
    doi:10.1093/pasj/psu066
    .
  12. ^ "bet Sge". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2017-11-26.{{cite web}}: CS1 maint: postscript (link)
  13. S2CID 14878976
    .
  14. ^ (in Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 3 日
Retrieved from "https://en.wikipedia.org/w/index.php?title=Beta_Sagittae&oldid=1170021590"