18407-2139 RST5122

 
 
18h 40m 42.84s -21 39' 29.0" P.A. 188 sep 1.7 mag 8.85,14.40 Sp G2V
 
 
Coord 2000
18407-2139
Discov num
RST5122
Comp
Coord arcsec 2000
18 40 42.84 -21 39 29.0
Date first
1941
Date last
1941
Obs
1
Pa first
188
Pa last
188
P.A. Now (θ)
188°
Sep first
1.7
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
8.85
Mag sec
14.40
delta mag (ΔM)
5.55
Spectral class
G2V (yellow)
Pri motion ra
-030
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
188
Precise sep
1.69
Constellation
Sagittarius
SAO
187121
Tycho2
6292-01628-1
HD
172371
last precise pa
188
last precise sep
1.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18407-2139 RST5122 1941 1 188 1.7 8.85 14.40 G2V 184042.84-213929.0

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