19465-2131 BU  467

 
 
19h 46m 30.41s -21 31' 22.9" P.A. 137 sep 3.7 mag 7.68,9.91 Sp kA8hF1mF3 dist. 96.71 pc (315.47 l.y.)
 
 
Coord 2000
19465-2131
Discov num
BU  467
Comp
Coord arcsec 2000
19 46 30.41 -21 31 22.9
Date first
1877
Date last
2016
Obs
21
Pa first
140
Pa last
137
P.A. Now (θ)
137°
Sep first
1.8
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
7.68
Mag sec
9.91
delta mag (ΔM)
2.23
Spectral class
kA8hF1mF3
Pri motion ra
+042
Sec motion ra
+049
Pri motion dec
-009
Sec motion dec
-016
Notes
rPM=0.192 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
137.4
Precise sep
3.72
Constellation
Sagittarius
SAO
188551
HIP
97301
Tycho2
6324-01011-1
HD
186666
BD
BD-21 5510
Distance
96.71
Distance ly
315.47
last precise pa
137.4
last precise sep
3.72
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19465-2131 BU 467 1992 18 132 3.3 7.68 9.91 D 194630.41-213122.9
19465-2131 BU 467 2016 21 137 3.7 7.68 9.91 kA8hF1mF3 194630.41-213122.9

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