Delta Telescopii
Astrometry | |
---|---|
δ¹ Telescopii | |
Radial velocity (Rv) | 7 km/s |
Proper motion (μ) | RA: -3.75 mas/yr Dec.: -27.43 mas/yr |
Parallax (π) | 4.61 ± 0.19[1] mas |
Distance | 710 ± 30 ly (217 ± 9 pc) |
δ² Telescopii | |
Radial velocity (Rv) | 7.6 km/s |
Proper motion (μ) | RA: 0.16 mas/yr Dec.: -10.23 mas/yr |
Parallax (π) | 2.73 ± 0.26[1] mas |
Distance | 1,200 ± 100 ly (370 ± 30 pc) |
The Bayer designation Delta Telescopii (δ Tel, δ Telescopii) is shared by two stars, δ¹ Telescopii and δ² Telescopii, in the constellation Telescopium. They are separated by 0.16° on the sky.
Delta-2 Telescopii is a blue-white B-type giant with an apparent magnitude of +5.07. It is approximately 1100 light years from Earth.
References
- 1 2 van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357.
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