Delta Telescopii

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
Distance710 ± 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
Distance1,200 ± 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. 1 2 van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752Freely accessible, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357.
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