18319-2831 RST2062

 
 
18h 31m 53.35s -28 30' 40.3" P.A. 351 sep 1 mag 8.70,10.30 Sp K1IV
 
 
Coord 2000
18319-2831
Discov num
RST2062
Comp
Coord arcsec 2000
18 31 53.35 -28 30 40.3
Date first
1931
Date last
1983
Obs
8
Pa first
311
Pa last
351
P.A. Now (θ)
351°
Sep first
0.5
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
8.70
Mag sec
10.30
delta mag (ΔM)
1.6
Spectral class
K1IV (yellow-orange)
Pri motion ra
+064
Sec motion ra
Pri motion dec
-033
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
351.1
Precise sep
0.95
Constellation
Sagittarius
SAO
186922
Tycho2
6869-00257-1
HD
170684
last precise pa
351.1
last precise sep
0.95
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18319-2831 RST2062 1983 8 351 1.0 8.70 10.30 K1IV 183153.35-283040.3

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