18018-2805 RST2020

 
 
18H 01M 48.33S -28 05' 12.9" P.A. 171 SEP 3.6 MAG 9.99,14.20 SP K5
 
 
Coord 2000
18018-2805
Discov num
RST2020
Comp
Coord arcsec 2000
18 01 48.33 -28 05 12.9
Date first
1934
Date last
2000
Obs
3
Pa first
172
Pa last
171
P.A. Now (θ)
171°
Sep first
3.3
Sep last
3.6
Sep. Now (ρ)
3.6"
Mag pri
9.99
Mag sec
14.20
delta mag (ΔM)
4.21
Spectral class
K5 (yellow-orange)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6850-03271-1
HD
316967
last precise pa
171.4
last precise sep
3.57