98 Herculis

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98 Herculis
Observation data
Epoch J2000      Equinox J2000
Constellation Hercules
Right ascension 18h 06m 01.90000s[1]
Declination +22° 13′ 07.9396″[1]
Apparent magnitude (V) 4.96[2]
Characteristics
Spectral type M3-SIII[3] or M3IIIBa0.2[4]
B−V color index 1.656±0.062[2]
Variable type suspected[5]
Distance
590 ± 20 ly
(181 ± 5 pc)
Absolute magnitude (MV)−1.78[2]
Details
Radius85.39+10.72
−8.50[1] R☉
Luminosity1,329.7±44.7[1] L☉
Temperature3,772+203
−217[1] K
HR 6765, SAO 85725[6]
Database references
SIMBADdata

98 Herculis is a single

interstellar dust.[8] The star is moving closer to the Earth with a heliocentric radial velocity of −19 km/s.[2]

This is an aging

luminosity of the Sun from its swollen photosphere at an effective temperature of 3,772 K.[1]

References

  1. ^
    doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR
    .
  2. ^
    S2CID 119257644
    .
  3. ^
    doi:10.1086/191373
    .
  4. ^
    doi:10.1086/115845
    .
  5. Bibcode:2009yCat....102025S
    .
  6. ^ "98 Her". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-06-17.
  7. S2CID 14878976
    .
  8. S2CID 17804304
    .
  9. doi:10.1086/116239
    .
  10. Bibcode:1997A&A...319..881G
    .
  11. Bibcode:1992IBVS.3792....1P
    .
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