TAU SERPENTIS
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The Bayer designation 'Tau Serpentis' (τ Ser / τ Serpentis) is shared by a collection of eight stars, 'τ1 Serpentis' through 'τ8 Serpentis', in the head of the constellation Serpens. They are distributed within a box of size 40 minutes in right ascension by 3.5° in declination. They are numbered by increasing right ascension.
'Tau-1 Serpentis' is a red M-type giant with an apparent magnitude of +5.16. It is approximately 920 light years from Earth.
'Tau-2 Serpentis' is a blue-white B-type main sequence dwarf with an apparent magnitude of +6.22. It is approximately 431 light years from Earth.
'Tau-3 Serpentis' is a yellow G-type giant with an apparent magnitude of +6.10. It is approximately 414 light years from Earth.
'Tau-4 Serpentis' is a red M-type bright giant with a mean apparent magnitude of +6.51. It is approximately 520 light years from Earth. It is classified as a semiregular late-type variable star, and its magnitude varies between +5.89 and +7.07 with a period of approximately 100 days.
'Tau-5 Serpentis' is a yellow-white F-type main sequence dwarf with an apparent magnitude of +5.93. It is approximately 160 light years from Earth.
'Tau-6 Serpentis' is a yellow G-type giant with an apparent magnitude of +6.00. It is approximately 451 light years from Earth. It is a member of the Ursa Major Stream.
'Tau-7 Serpentis' is a white A-type star with an apparent magnitude of +5.80. It is approximately 174 light years from Earth.
'Tau-8 Serpentis' is a white A-type main sequence dwarf with an apparent magnitude of +6.15. It is approximately 321 light years from Earth.
| Contents |
| Ï„1 Serpentis |
| Ï„2 Serpentis |
| Ï„3 Serpentis |
| Ï„4 Serpentis |
| Ï„5 Serpentis |
| Ï„6 Serpentis |
| Ï„7 Serpentis |
| Ï„8 Serpentis |
Ï„1 Serpentis
'Tau-1 Serpentis' is a red M-type giant with an apparent magnitude of +5.16. It is approximately 920 light years from Earth.
Ï„2 Serpentis
'Tau-2 Serpentis' is a blue-white B-type main sequence dwarf with an apparent magnitude of +6.22. It is approximately 431 light years from Earth.
Ï„3 Serpentis
'Tau-3 Serpentis' is a yellow G-type giant with an apparent magnitude of +6.10. It is approximately 414 light years from Earth.
Ï„4 Serpentis
'Tau-4 Serpentis' is a red M-type bright giant with a mean apparent magnitude of +6.51. It is approximately 520 light years from Earth. It is classified as a semiregular late-type variable star, and its magnitude varies between +5.89 and +7.07 with a period of approximately 100 days.
Ï„5 Serpentis
'Tau-5 Serpentis' is a yellow-white F-type main sequence dwarf with an apparent magnitude of +5.93. It is approximately 160 light years from Earth.
Ï„6 Serpentis
'Tau-6 Serpentis' is a yellow G-type giant with an apparent magnitude of +6.00. It is approximately 451 light years from Earth. It is a member of the Ursa Major Stream.
Ï„7 Serpentis
'Tau-7 Serpentis' is a white A-type star with an apparent magnitude of +5.80. It is approximately 174 light years from Earth.
Ï„8 Serpentis
'Tau-8 Serpentis' is a white A-type main sequence dwarf with an apparent magnitude of +6.15. It is approximately 321 light years from Earth.
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