Wolf 1061

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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
Distance 14.00 ± 0.10 ly
(4.29 ± 0.03 pc)
Absolute magnitude (MV) 11.96
Details
Temperature 3,380 ± 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[edit]

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 best estimate is marked in bold.

See also[edit]

References[edit]

  1. ^ a b van Leeuwen F. (2007). "HIP 80824". Validation of the new Hipparcos reduction. Retrieved 2014-10-22. 
  2. ^ a b 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 Edition. 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. ^ [1]
  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[edit]

  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[edit]