20156-3154 HJ 5181

 
 
20h 15m 33.48s -31 53' 35.5" P.A. 6 sep 10.1 mag 10.31,11.90 Sp G0
 
 
Coord 2000
20156-3154
Discov num
HJ 5181
Comp
Coord arcsec 2000
20 15 33.48 -31 53 35.5
Date first
1835
Date last
2010
Obs
8
Pa first
7
Pa last
6
P.A. Now (θ)
Sep first
7.0
Sep last
10.1
Sep. Now (ρ)
10.1"
Mag pri
10.31
Mag sec
11.90
delta mag (ΔM)
1.59
Spectral class
G0 (yellow)
Pri motion ra
+010
Sec motion ra
+010
Pri motion dec
+000
Sec motion dec
-022
Notes
rPM=0.91
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
5.6
Precise sep
10.05
Constellation
Sagittarius
SAO
211937
Tycho2
7446-01825-1
Gaia DR2
48441676288
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20156-3154 HJ 5181 1998 6 5 10.2 10.31 11.90 G0 D 201533.48-315335.5
20156-3154 HJ 5181 1999 7 5 10.1 10.31 11.90 G0 D 201533.48-315335.5
20156-3154 HJ 5181 2010 8 6 10.1 10.31 11.90 G0 201533.48-315335.5

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