20181-1233 STFA 51AE

 
 
20h 18m 03.22s -12 32' 41.4" P.A. 290.00 sep 381.2 mag 3.66,4.34 Sp G9III dist. 32.45 pc (105.85 l.y.)
 
 
Coord 2000
20181-1233
Discov num
STFA 51
Comp
AE
Coord arcsec 2000
20 18 03.22 -12 32 41.4
Date first
1800
Date last
2012
Obs
47
Pa first
292
Pa last
290
P.A. Now (θ)
290°
Sep first
371.2
Sep last
381.2
Sep. Now (ρ)
381.2"
Mag pri
3.66
Mag sec
4.34
delta mag (ΔM)
0.68
Spectral class
G9III (yellow)
Pri motion ra
+063
Sec motion ra
+022
Pri motion dec
+003
Sec motion dec
+001
Notes
N U (See Notes, Proper motion indicates non-physical)
Visually invisible, K-band or other infrared star rPM=0.651
This double is not physical.
 
 
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
290.2
Precise sep
381.18
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 STFA 51 AE 2002 44 292 381.2 3.66 4.34 G9III N D 201803.22-123241.4
20181-1233 STFA 51 AE 2012 47 290 381.2 3.66 4.34 G9III N D 201803.22-123241.4

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