20164-1220 BU  294AB (3 Cap)

 
 
20h 16m 22.80s -12 20' 13.5" P.A. 33 sep 26.7 mag 6.32,13.70 Sp B9pHg dist. 135.87 pc (443.21 l.y.)
 
 
Coord 2000
20164-1220
Discov num
BU  294
Comp
AB
Coord arcsec 2000
20 16 22.80 -12 20 13.5
Date first
1874
Date last
2015
Obs
7
Pa first
40
Pa last
33
P.A. Now (θ)
33°
Sep first
20.0
Sep last
26.7
Sep. Now (ρ)
26.7"
Mag pri
6.32
Mag sec
13.70
delta mag (ΔM)
7.38
Spectral class
B9pHg (blue-white)
Pri motion ra
+007
Sec motion ra
+018
Pri motion dec
-018
Sec motion dec
+033
Notes
N (See Notes)
rPM=1.388
This double is not physical.
 
 
20164-1220 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 3 Cap 163402 20164-1220 BU 294 AB 1874 2015 7 33 26.7 6.32 13.70 7.38 <===
Show 20164-1220 BU 294 BC 1874 2015 7 177 6.6 13.70 14.20 0.50
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
32.9
Precise sep
26.678
Name
3 Cap
Constellation
Capricornus
SAO
163402
HIP
99918
Tycho2
5748-02597-1
Gaia DR2
81957759744
HD
192666
HR
7738
GC
28149
BD
BD-12 5680
Flamsteed
3 Capricorni
Flamsteed name
3 Cap
Distance
135.87
Distance ly
443.21
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20164-1220 BU 294 AB 1998 5 33 26.8 6.32 13.70 B9pHg N D 201622.80-122013.5
20164-1220 BU 294 AB 2000 6 34 26.2 6.32 13.70 B9pHg N D 201622.80-122013.5
20164-1220 BU 294 AB 2015 7 33 26.7 6.32 13.70 B9pHg N 201622.80-122013.5

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