Asterope (star)

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The name Asterope or Sterope is shared by two stars, 21 Tauri and 22 Tauri, in the constellation Taurus. They are separated by 0.04° on the sky and are both members of the Pleiades open cluster and approximately 440 light years from Earth.


[edit] 21 Tauri

21 Tauri
Observation data
Epoch J2000.0
Constellation
(pronunciation)
Taurus
Right ascension 03h 45m 54.4s
Declination +24° 33' 17"
Apparent magnitude (V) +5.76
Distance 440 ly
(135 pc)
Spectral type B8V
Other designations
Asterope, Sterope I,
HR 1151, HD 23432,
BD+24 553, HIP 17579,
SAO 76159, GC 4502

21 Tauri is a blue-white B-type main sequence dwarf with an apparent magnitude of +5.76.


[edit] 22 Tauri

22 Tauri
Observation data
Epoch J2000.0
Constellation
(pronunciation)
Taurus
Right ascension 03h 46m 02.9s
Declination +24° 31' 41"
Apparent magnitude (V) +6.43
Distance 440 ly
(135 pc)
Spectral type A0Vn
Other designations
Sterope II, HR 1152,
HD 23441, BD+24 556,
HIP 17588, SAO 76164,
GC 4506

22 Tauri is a white A-type main sequence dwarf with an apparent magnitude of +6.43.