18020-3150 RST2021

 
 
18h 02m 01.88s -31 50' 02.3" P.A. 218 sep 0.9 mag 10.61,10.67 Sp A0
 
 
Coord 2000
18020-3150
Discov num
RST2021
Comp
Coord arcsec 2000
18 02 01.88 -31 50 02.3
Date first
1934
Date last
1991
Obs
3
Pa first
220
Pa last
218
P.A. Now (θ)
218°
Sep first
0.8
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
10.61
Mag sec
10.67
delta mag (ΔM)
0.06
Spectral class
A0 (white)
Pri motion ra
-009
Sec motion ra
-009
Pri motion dec
+000
Sec motion dec
+000
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
218.2
Precise sep
0.899
Constellation
Sagittarius
Tycho2
7391-01150-1
last precise pa
218.2
last precise sep
0.899
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18020-3150 RST2021 1991 3 218 0.9 10.61 10.67 A0 180201.88-315002.3

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