03475+2406 STFA  8AB (Alcyone)

 
 
03h 47m 29.06s +24 06' 18.8" P.A. 291 sep 117.6 mag 2.83,6.27 Sp B7IIIe dist. 123.61 pc (403.22 l.y.)
 
 
Coord 2000
03475+2406
Discov num
STFA  8
Comp
AB
Coord arcsec 2000
03 47 29.06 +24 06 18.8
Date first
1836
Date last
2016
Obs
36
Pa first
289
Pa last
291
P.A. Now (θ)
291°
Sep first
117.1
Sep last
117.6
Sep. Now (ρ)
117.6"
Mag pri
2.83
Mag sec
6.27
delta mag (ΔM)
3.44
Spectral class
B7IIIe (blue-white)
Pri motion ra
+019
Sec motion ra
+019
Pri motion dec
-044
Sec motion dec
-044
Notes
N W (See Notes, )
Nature of this double is uncertain.
 
 
03475+2406 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 76199 03475+2406 OCC 251 Aa,Ab 1971 1973 0 3.00 4.60 1.60
Show Alcyone 76199 03475+2406 STFA 8 AB 1836 2016 36 291 117.6 2.83 6.27 3.44 <===
Show 03475+2406 STFA 8 AC 1868 2016 16 313 182.0 2.83 8.22 5.39
Show 03475+2406 STFA 8 AD 1868 2016 16 297 191.8 2.83 8.73 5.90
Show 03475+2406 HL 23 AE 1885 2016 5 232 78.4 2.83 15.00 12.17
Show 03475+2406 HL 23 AF 1885 2016 5 232 144.5 2.83 13.02 10.19
Show 03475+2406 HL 23 AG 1885 2016 5 54 200.0 2.83 11.84 9.01
Show 03475+2406 HL 23 AH 1885 2016 5 44 222.8 2.83 11.72 8.89
Show 03475+2406 STFA 8 BC 1824 2017 21 345 86.2 6.27 8.22 1.95
Show 03475+2406 STFA 8 BD 1824 2015 20 305 75.2 6.27 8.73 2.46
Show 03475+2406 STFA 8 CD 1868 2016 24 225 54.7 8.22 8.73 0.51
Show 03475+2406 WSI 52 Da,Db 2005 2010 2 293 0.3 9.20 9.80 0.60
Decuple system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
290.6
Precise sep
117.63
Common name
Alcyone
Meaning
[Pleiades] queen from evil
Other names
25 TAU
Constellation
Taurus
SAO
76199
HIP
17702
Gaia DR2
141781760
HD
23630
HR
1165
GC
4541
BD
BD+23 541
Bayer
Eta Tauri
Bayer name
Eta Tau
Flamsteed
25 Tauri
Flamsteed name
25 Tau
Distance
123.61
Distance ly
403.22
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03475+2406 STFA 8 AB 2003 31 290 117.5 2.83 6.27 B7IIIe N D 034729.06+240618.8
03475+2406 STFA 8 AB 2011 32 290 117.3 2.83 6.27 B7IIIe N D 034729.06+240618.8
03475+2406 STFA 8 AB 2013 35 290 116.9 2.83 6.27 B7IIIe N 034729.06+240618.8
03475+2406 STFA 8 AB 2016 36 291 117.6 2.83 6.27 B7IIIe N W 034729.06+240618.8

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