18510-2431 J  1751

 
 
18h 50m 58.47s -24 30' 34.7" P.A. 289 sep 4.2 mag 10.11,12.80 Sp K1V
 
 
Coord 2000
18510-2431
Discov num
J  1751
Comp
Coord arcsec 2000
18 50 58.47 -24 30 34.7
Date first
1941
Date last
1999
Obs
3
Pa first
310
Pa last
289
P.A. Now (θ)
289°
Sep first
6.0
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
10.11
Mag sec
12.80
delta mag (ΔM)
2.69
Spectral class
K1V (yellow-orange)
Pri motion ra
+113
Sec motion ra
-016
Pri motion dec
+015
Sec motion dec
+056
Notes
rPM=1.187
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
288.9
Precise sep
4.167
Constellation
Sagittarius
last precise pa
288.9
last precise sep
4.167
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18510-2431 J 1751 1959 2 296 6.5 10.11 12.80 K1V 185058.47-243034.7
18510-2431 J 1751 1999 3 289 4.2 10.11 12.80 K1V 185058.47-243034.7

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