20176-1230 BU  295AB (Al giedi prima)

 
 
20h 17m 38.86s -12 30' 29.6" P.A. 212 sep 53.2 mag 4.24,14.10 Sp G3Ib dist. 174.52 pc (569.28 l.y.)
 
 
Coord 2000
20176-1230
Discov num
BU  295
Comp
AB
Coord arcsec 2000
20 17 38.86 -12 30 29.6
Date first
1874
Date last
2008
Obs
7
Pa first
180
Pa last
212
P.A. Now (θ)
212°
Sep first
15.0
Sep last
53.2
Sep. Now (ρ)
53.2"
Mag pri
4.24
Mag sec
14.10
delta mag (ΔM)
9.86
Spectral class
G3Ib (yellow)
Pri motion ra
+022
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20176-1230 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 163422 20176-1230 WZ 15 Aa,Ab 1905 2002 3 353 0.8 4.44 8.60 4.16
Show Al giedi prima 163422 20176-1230 BU 295 AB 1874 2008 7 212 53.2 4.24 14.10 9.86 <===
Show 20176-1230 HJ 607 AC 1827 2010 32 222 46.9 4.24 9.60 5.36
Show 20176-1230 WZ 15 CD 1905 2015 4 108 31.7 9.60 14.20 4.60
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
211.9
Precise sep
53.19
Common name
Al giedi prima
Meaning
Goat
Other names
PRIMA GIEDI
Constellation
Capricornus
SAO
163422
HIP
100027
Tycho2
5748-02598-1
Gaia DR2
07840983040
HD
192876
HR
7747
GC
28189
BD
BD-12 5683
Bayer
Alpha 1 Capricorni
Bayer name
Alp1 Cap
Flamsteed
5 Capricorni
Flamsteed name
5 Cap
Distance
174.52
Distance ly
569.28
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20176-1230 BU 295 AB 1960 6 182 44.3 4.24 14.10 G3Ib N 201738.86-123029.6
20176-1230 BU 295 AB 2008 7 212 53.2 4.24 14.10 G3Ib N 201738.86-123029.6

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