10 Arietis

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10 Arietis
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Aries
Right ascension 02h 03m 39.34547s[1]
Declination +25° 56′ 07.7129″[1]
Apparent magnitude (V) 5.63[2]
Characteristics
Spectral type F8 IV + F9 V[2]
Astrometry
Radial velocity (Rv) +12.9[3] km/s
Proper motion (μ) RA: +128.01[1] mas/yr
Dec.: +11.19[1] mas/yr
Parallax (π) 20.53 ± 0.67[1] mas
Distance 159 ± 5 ly
(49 ± 2 pc)
Absolute magnitude (MV) 2.21[3]
Orbit[4]
Period (P) 325 yr
Semi-major axis (a) 1.39"
Eccentricity (e) 0.59
Inclination (i) 51°
Longitude of the node (Ω) 20.5°
Periastron epoch (T) B1931.6
Argument of periastron (ω)
(secondary)
165°
Details
Metallicity [Fe/H] –0.10[3] dex
Age 1.9[3] Gyr
Other designations
ADS 1631, BD+25 341, HD 12558, HIP 9621, HR 605, SAO 75114, WDS 02037+2556AB.[5]

10 Arietis (abbreviated 10 Ari) is a binary star in the northern constellation of Aries. 10 Arietis is the Flamsteed designation. It has an overall apparent visual magnitude of 5.63 and consists of two F-type stars in orbit about each other. The orbital period is approximately 325 years.[4] based upon an annual parallax shift of 20.53 mas,[1] it is located at a distance of approximately 159 light-years (49 parsecs) from Earth.

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 Lua error in Module:Citation/CS1/Identifiers at line 47: attempt to index field 'wikibase' (a nil value).
  2. 2.0 2.1 Lua error in Module:Citation/CS1/Identifiers at line 47: attempt to index field 'wikibase' (a nil value).
  3. 3.0 3.1 3.2 3.3 Lua error in Module:Citation/CS1/Identifiers at line 47: attempt to index field 'wikibase' (a nil value).
  4. 4.0 4.1 Entry, WDS identifier 02037+2556, Sixth Catalog of Orbits of Visual Binary Stars, William I. Hartkopf & Brian D. Mason, U.S. Naval Observatory. Accessed on line August 21, 2008.
  5. "CCDM J02037+2556AB -- Double or multiple star", SIMBAD Astronomical Database, Centre de Données astronomiques de Strasbourg, retrieved 2012-07-18.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

External links

Coordinates: Sky map 02h 03m 39.344s, +25° 56′ 07.70″