20181-1233 HJ  608A,BC (Alp2 Cap)

 
 
20h 18m 03.22s -12 32' 41.4" P.A. 196.00 sep 6.6 mag 3.66,11.10 Sp G9III dist. 32.45 pc (105.85 l.y.)
 
 
Coord 2000
20181-1233
Discov num
HJ  608
Comp
A,BC
Coord arcsec 2000
20 18 03.22 -12 32 41.4
Date first
1827
Date last
2010
Obs
29
Pa first
153
Pa last
196
P.A. Now (θ)
196°
Sep first
8.0
Sep last
6.6
Sep. Now (ρ)
6.6"
Mag pri
3.66
Mag sec
11.10
delta mag (ΔM)
7.44
Spectral class
G9III (yellow)
Pri motion ra
+064
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
N (See Notes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
20181-1233 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Alp2 Cap 163427 20181-1233 HJ 608 A,BC 1827 2010 29 196 6.6 3.66 11.10 7.44 <===
Show 163427 20181-1233 AGC 12 AD 1838 2015 14 159 153.2 3.66 10.50 6.84
Show 163427 20181-1233 STFA 51 AE 1800 2012 47 290 381.2 3.66 4.34 0.68
Show 20181-1233 AGC 12 BC 1874 2015 20 241 1.2 11.20 11.50 0.30
Quintuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
195.7
Precise sep
6.6
Name
Alp2 Cap
Constellation
Capricornus
SAO
163427
HIP
100064
Gaia DR2
50312745984
HD
192947
HR
7754
GC
28200
BD
BD-12 5685
Bayer
Alpha 2 Capricorni
Bayer name
Alp2 Cap
Flamsteed
6 Capricorni
Flamsteed name
6 Cap
Distance
32.45
Distance ly
105.85
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20181-1233 HJ 608 A,BC 2008 28 199 7.4 3.66 11.10 G9III N 201803.22-123241.4
20181-1233 HJ 608 A,BC 2010 29 196 6.6 3.66 11.10 G9III N 201803.22-123241.4

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