03475+2406 STFA 8 AB (Alcyone)
03h 47m 29.06s +24° 06' 18.8" P.A. 291.00 sep 117.6 mag 2.83,6.27 Sp B7III+A4V 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 |
37 |
|
Pa first |
289 |
|
Pa last |
290.6 |
|
P.A. Now (θ) |
290.6° |
|
Sep first |
117.1 |
|
Sep last |
117.63 |
|
Sep. Now (ρ) |
117.63" |
|
Mag pri |
2.83 |
|
Mag sec |
6.27 |
|
delta mag (ΔM) |
3.44 |
|
Spectral class |
B7III+A4V (blue-white/white) |
|
Pri motion ra |
+019 |
|
Sec motion ra |
+020 |
|
Pri motion dec |
-044 |
|
Sec motion dec |
-044 |
|
Notes |
N
T
W
(See Notes, Parallax indicates physical, ) |
|
rPM=0.021 (< 0.3, Physical double)
This double is physical.
03475+2406 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
76199 |
03 47 29 +24 06 19 |
OCC 251 Aa,Ab |
1973 |
0 |
-1 |
-1.0 |
3.00 |
4.60 |
1.60 |
|
|
Show |
Alcyone |
76199 |
03 47 29 +24 06 19 |
STFA 8 AB |
2016 |
37 |
291 |
117.6 |
2.83 |
6.27 |
3.44 |
|
<=== |
Show |
|
76199 |
03 47 29 +24 06 19 |
STFA 8 AC |
2016 |
17 |
313 |
182.0 |
2.83 |
8.22 |
5.39 |
|
|
Show |
|
76199 |
03 47 29 +24 06 19 |
STFA 8 AD |
2016 |
16 |
297 |
191.8 |
2.83 |
8.73 |
5.90 |
|
|
Show |
|
76199 |
03 47 29 +24 06 19 |
HL 23 AE |
2016 |
5 |
232 |
78.4 |
2.83 |
15.00 |
12.17 |
|
|
Show |
|
76199 |
03 47 29 +24 06 19 |
HL 23 AF |
2016 |
5 |
232 |
144.5 |
2.83 |
13.02 |
10.19 |
|
|
Show |
|
76199 |
03 47 29 +24 06 19 |
HL 23 AG |
2016 |
5 |
54 |
200.0 |
2.83 |
11.84 |
9.01 |
|
|
Show |
|
76199 |
03 47 29 +24 06 19 |
HL 23 AH |
2016 |
5 |
44 |
222.8 |
2.83 |
11.72 |
8.89 |
|
|
Show |
|
76192 |
03 47 21 +24 06 58 |
OCC 9084 Ba,Bb |
1973 |
0 |
-1 |
0.0 |
6.70 |
7.80 |
1.10 |
|
|
Show |
|
76192 |
03 47 21 +24 06 58 |
STFA 8 BC |
2017 |
22 |
345 |
86.2 |
6.27 |
8.22 |
1.95 |
|
|
Show |
|
76192 |
03 47 21 +24 06 58 |
STFA 8 BD |
2015 |
20 |
305 |
75.2 |
6.27 |
8.73 |
2.46 |
|
|
Show |
|
76191 |
03 47 19 +24 08 21 |
STFA 8 CD |
2016 |
26 |
225 |
54.7 |
8.22 |
8.73 |
0.51 |
|
|
Show |
|
76188 |
03 47 17 +24 07 42 |
WSI 52 Da,Db |
2010 |
2 |
293 |
0.3 |
9.20 |
9.80 |
0.60 |
|
|
11-fold system
8 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Common name |
Alcyone |
|
Constellation |
Taurus |
|
SAO |
76199 |
|
HIP |
17702 |
|
Tycho2 |
1800-02202-1 |
|
Gaia DR2 |
66714384141781760 |
|
HD |
23630 |
|
HR |
1165 |
|
GC |
4541 |
|
BD |
BD+23 541 |
|
Bayer |
Eta Tauri |
|
Bayer name |
Eta Tau |
|
Flamsteed |
25 Tauri |
|
Flamsteed name |
25 Tau |
|
FK5 |
139 |
|
Distance |
123.61 |
|
Distance ly |
403.22 |
|
Bayer greek |
η Tau |
|
Meaning |
[Pleiades] queen from evil |
|