Wolf 1061

Wolf 1061
Observation data
Epoch J2000      Equinox J2000
Constellation Ophiuchus
Right ascension 16h 30m 18.1s
Declination –12° 39′ 45″
Apparent magnitude (V) 10.10
Characteristics
Spectral type M3 V
U−B color index 1.17
B−V color index 1.59
Variable type None
Astrometry
Radial velocity (Rv)–21.0 km/s
Proper motion (μ) RA: –93.61 mas/yr
Dec.: –1184.90 mas/yr
Parallax (π)232.98 ± 1.60[1] mas
Distance14.00 ± 0.10 ly
(4.29 ± 0.03 pc)
Absolute magnitude (MV)11.96
Details
Temperature3,380 ± 20[2] K
Metallicity [Fe/H]–0.02 ± 0.17[2] dex
Other designations
BD -12°4523, G 153-058, GCTP 3746.00, GJ 628, HIP 80824, LHS 419, Vys 164.

Wolf 1061 (V2306 Ophiuchi) is a red dwarf star. It is located relatively near the Sun, at a distance of about 13.8 light years, in the constellation Ophiuchus. It has a relatively high proper motion and has not been found to have any unusual spectroscopic features.

Distance

Wolf 1061 distance estimates

Source Parallax, mas Distance, pc Distance, ly Distance, Pm Ref.
Woolley et al. (1970) 249±6 4.02+0.1
−0.09		 13.1+0.32
−0.31		 123.9+3.1
−2.9		 [3]
Gliese & Jahreiß (1991) 244.7±6.3 4.09+0.11
−0.1		 13.3+0.4
−0.3		 126.1+3.3
−3.2		 [4]
van Altena et al. (1995) 244.0±4.2 4.1±0.07 13.37±0.23 126.5+2.2
−2.1		 [5]
Perryman et al. (1997) (Hipparcos) 234.51±1.82 4.26±0.03 13.91±0.11 131.6±1 [6]
Perryman et al. (1997) (Tycho) (absents) [7]
van Leeuwen (2007) 232.98±1.60 4.292+0.03
−0.029		 14±0.1 132.4±0.9 [1]
RECONS TOP100 (2009) 236.01±1.67[note 1] 4.237±0.03 13.82±0.1 130.7±0.9 [8]
RECONS TOP100 (2012) 234.38±1.50[note 2] 4.267±0.027 13.92±0.09 131.7±0.8 [9]

Non-trigonometric distance estimates are marked in italic. The most precise estimate is marked in bold.

See also

References

  1. ↑ 1.0 1.1 van Leeuwen F. (2007). "HIP 80824". Validation of the new Hipparcos reduction. Retrieved 2014-10-22.
  2. ↑ 2.0 2.1 Rojas-Ayala, Bárbara et al. (April 2012). "Metallicity and Temperature Indicators in M Dwarf K-band Spectra: Testing New and Updated Calibrations with Observations of 133 Solar Neighborhood M Dwarfs". The Astrophysical Journal 748 (2): 93. arXiv:1112.4567. Bibcode:2012ApJ...748...93R. doi:10.1088/0004-637X/748/2/93.
  3. ↑ Woolley R.; Epps E. A.; Penston M. J.; Pocock S. B. (1970). "Woolley 628". Catalogue of stars within 25 parsecs of the Sun. Retrieved 2014-10-22.
  4. ↑ Gliese, W. and Jahreiß, H. (1991). "Gl 628". Preliminary Version of the Third Catalogue of Nearby Stars. Retrieved 2014-10-22.
  5. ↑ Van Altena W. F., Lee J. T., Hoffleit E. D. (1995). "GCTP 3746". The General Catalogue of Trigonometric Stellar Parallaxes (Fourth ed.). Retrieved 2014-10-22.
  6. ↑ Perryman et al. (1997). "HIP 80824". The Hipparcos and Tycho Catalogues. Retrieved 2014-10-22.
  7. ↑ Perryman et al. (1997). "HIP 80824". The Hipparcos and Tycho Catalogues. Retrieved 2014-10-22.
  8. ↑
  9. ↑ "RECONS TOP100". THE ONE HUNDRED NEAREST STAR SYSTEMS brought to you by RECONS (Research Consortium On Nearby Stars). 2012. Retrieved 2014-10-22.

Notes

  1. ↑ Weighted parallax based on parallaxes from van Altena et al. (1995) and Perryman et al. (1997).
  2. ↑ Weighted parallax based on parallaxes from van Altena et al. (1995) and van Leeuwen (2007).

External links