20008-1543 GWP2916

 
 
20h 00m 47.13s -15 43' 28.3" P.A. 69.00 sep 103.9 mag 9.20,13.30 Sp G2V
 
 
Coord 2000
20008-1543
Discov num
GWP2916
Comp
Coord arcsec 2000
20 00 47.13 -15 43 28.3
Date first
1987
Date last
2015
Obs
6
Pa first
69
Pa last
69
P.A. Now (θ)
69°
Sep first
103.9
Sep last
103.9
Sep. Now (ρ)
103.9"
Mag pri
9.20
Mag sec
13.30
delta mag (ΔM)
4.1
Spectral class
G2V (yellow)
Pri motion ra
-052
Sec motion ra
-048
Pri motion dec
-034
Sec motion dec
-044
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.165 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
68.9
Precise sep
103.931
Constellation
Sagittarius
SAO
163177
Tycho2
6314-01164-1
Gaia DR2
26966761088
HD
189499
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20008-1543 GWP2916 1998 2 69 103.8 9.20 13.30 V 200047.13-154328.3
20008-1543 GWP2916 2010 5 69 103.9 9.20 13.30 V 200047.13-154328.3
20008-1543 GWP2916 2015 6 69 103.9 9.20 13.30 G2V V 200047.13-154328.3

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