18581-3545 RSS 500

 
 
18h 58m 04.79s -35 44' 41.2" P.A. 188 sep 7.4 mag 8.30,14.60 Sp G8III/IV
 
 
Coord 2000
18581-3545
Discov num
RSS 500
Comp
Coord arcsec 2000
18 58 04.79 -35 44 41.2
Date first
1977
Date last
2015
Obs
2
Pa first
194
Pa last
188
P.A. Now (θ)
188°
Sep first
7.0
Sep last
7.4
Sep. Now (ρ)
7.4"
Mag pri
8.30
Mag sec
14.60
delta mag (ΔM)
6.3
Spectral class
G8III/IV (yellow)
Pri motion ra
+002
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Tycho2
8664-00341-1
Dm number
-52 6755
last precise pa
188.4
last precise sep
7.443
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18581-3545 RSS 500 1977 1 194 7.0 8.75   G8III/IV 185804.79-354441.2
18581-3545 RSS 500 2015 2 188 7.4 8.30 14.60 G8III/IV 185804.79-354441.2

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