| Observation data Epoch J2000.0 Equinox J2000.0 ( ICRS) | |
|---|---|
| Constellation | Serpens |
| Right ascension | 15h 36m 29.2391s [1] |
| Declination | +16° 07′ 08.705″ [1] |
| Apparent magnitude (V) | 5.938 [1] |
| Characteristics | |
| Spectral type | F3V [1] |
| U−B color index | +0.04 [2] |
| B−V color index | +0.29 [2] |
| Astrometry | |
| Radial velocity (Rv) | −2 ± 5 [1] km/s |
| Proper motion (μ) |
RA: 71.54
[1]
mas/
yr Dec.: −5.54 [1] mas/ yr |
| Parallax (π) | 20.40 ± 0.81 mas [1] |
| Distance | 160 ± 6
ly (49 ± 2 pc) |
| Absolute magnitude (MV) | +2.35 [3] |
| Details | |
| Mass | 1.52 (1.47 to 1.58) [4] M☉ |
| Luminosity | 10 [3] L☉ |
| Temperature | 6,900 [4] K |
| Metallicity [Fe/H] | −0.20 [4] dex |
| Age | 1.6±0.1 [4] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
Tau5 Serpentis, Latinized from τ5 Serpentis, is a F-type main sequence star in the constellation of Serpens, approximately 160 light-years from Earth. [1] It has an apparent visual magnitude of approximately 5.938. [1] [5]
- ^ a b c d e f g h i j k * 18 Ser -- Star, database entry, SIMBAD. Accessed on line September 19, 2008.
- ^ a b HR 5804, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line September 19, 2008.
- ^ a b Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation", Astronomy Letters, 38 (5): 331, arXiv: 1108.4971, Bibcode: 2012AstL...38..331A, doi: 10.1134/S1063773712050015, S2CID 119257644.
- ^ a b c d HD 139225, database entry, Geneva-Copenhagen Survey of the Solar neighbourhood, J. Holmberg et al., 2007, CDS ID V/117A. Accessed on line November 19, 2008.
- ^ "Tau5 Serpentis (18 Serpentis) Star Facts on Universe Guide".
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 | This main-sequence-star-related article is a stub. You can help Wikipedia by expanding it. |
| Observation data Epoch J2000.0 Equinox J2000.0 ( ICRS) | |
|---|---|
| Constellation | Serpens |
| Right ascension | 15h 36m 29.2391s [1] |
| Declination | +16° 07′ 08.705″ [1] |
| Apparent magnitude (V) | 5.938 [1] |
| Characteristics | |
| Spectral type | F3V [1] |
| U−B color index | +0.04 [2] |
| B−V color index | +0.29 [2] |
| Astrometry | |
| Radial velocity (Rv) | −2 ± 5 [1] km/s |
| Proper motion (μ) |
RA: 71.54
[1]
mas/
yr Dec.: −5.54 [1] mas/ yr |
| Parallax (π) | 20.40 ± 0.81 mas [1] |
| Distance | 160 ± 6
ly (49 ± 2 pc) |
| Absolute magnitude (MV) | +2.35 [3] |
| Details | |
| Mass | 1.52 (1.47 to 1.58) [4] M☉ |
| Luminosity | 10 [3] L☉ |
| Temperature | 6,900 [4] K |
| Metallicity [Fe/H] | −0.20 [4] dex |
| Age | 1.6±0.1 [4] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
Tau5 Serpentis, Latinized from τ5 Serpentis, is a F-type main sequence star in the constellation of Serpens, approximately 160 light-years from Earth. [1] It has an apparent visual magnitude of approximately 5.938. [1] [5]
- ^ a b c d e f g h i j k * 18 Ser -- Star, database entry, SIMBAD. Accessed on line September 19, 2008.
- ^ a b HR 5804, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line September 19, 2008.
- ^ a b Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation", Astronomy Letters, 38 (5): 331, arXiv: 1108.4971, Bibcode: 2012AstL...38..331A, doi: 10.1134/S1063773712050015, S2CID 119257644.
- ^ a b c d HD 139225, database entry, Geneva-Copenhagen Survey of the Solar neighbourhood, J. Holmberg et al., 2007, CDS ID V/117A. Accessed on line November 19, 2008.
- ^ "Tau5 Serpentis (18 Serpentis) Star Facts on Universe Guide".
| Stars |
| ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||
|
Star clusters |
| ||||||||||||
| Nebulae |
| ||||||||||||
| Galaxies |
| ||||||||||||
| |||||||||||||
| |||||||||||||
|
| This main-sequence-star-related article is a stub. You can help Wikipedia by expanding it. |