B Stars: Difference between revisions
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Created page with 'Summertime targets from Rich Townsend : Bp stars ------------------------------------------------------------------------------------ CU Vir (HD 124224) -- short period, quite ...' |
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Summertime targets from Rich Townsend | Summertime targets from Rich Townsend (June 2009) | ||
Ap/Bp stars - chemically peculiar with strong magnetic fields | |||
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CU Vir (HD 124224) -- short period, quite bright, the best-known 'stellar pulsar' (main sequence star with ~0.5d pulsed radio emission). | CU Vir (HD 124224) -- short period, quite bright, the best-known 'stellar pulsar' (main sequence star with ~0.5d pulsed radio emission). | ||
14 12 15.8043 | |||
+02 24 33.958 | +02 24 33.958 | ||
B 4.89 | B = 4.89 | ||
V 5.01 | |||
V = 5.01 | |||
A0Vp | A0Vp | ||
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V 2052 Oph (163472), which is a combination beta Cep/He-strong B2 star with a 3.64d period. Again, quite bright. | V 2052 Oph (163472), which is a combination beta Cep/He-strong B2 star with a 3.64d period. Again, quite bright. | ||
17 56 18.4009 | |||
+00 40 13.277 | +00 40 13.277 | ||
B 5.883 | B = 5.883 | ||
V 5.834 | |||
V = 5.834 | |||
B2IV-V | B2IV-V | ||
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V 1671 Cyg (HD 184927), which is a bit dimmer, and has a longer period, but appears to have a very oblique, strong field (seen from near pole on). | V 1671 Cyg (HD 184927), which is a bit dimmer, and has a longer period, but appears to have a very oblique, strong field (seen from near pole on). | ||
19 35 32.0099 | |||
+31 16 35.926 | +31 16 35.926 | ||
B 7.29 | B = 7.29 | ||
V 7.44 | |||
V = 7.44 | |||
B2V | B2V | ||
Latest revision as of 03:09, 15 June 2009
Summertime targets from Rich Townsend (June 2009)
Ap/Bp stars - chemically peculiar with strong magnetic fields
CU Vir (HD 124224) -- short period, quite bright, the best-known 'stellar pulsar' (main sequence star with ~0.5d pulsed radio emission).
14 12 15.8043
+02 24 33.958
B = 4.89
V = 5.01
A0Vp
V 2052 Oph (163472), which is a combination beta Cep/He-strong B2 star with a 3.64d period. Again, quite bright.
17 56 18.4009
+00 40 13.277
B = 5.883
V = 5.834
B2IV-V
V 1671 Cyg (HD 184927), which is a bit dimmer, and has a longer period, but appears to have a very oblique, strong field (seen from near pole on).
19 35 32.0099
+31 16 35.926
B = 7.29
V = 7.44
B2V
