18213-0047 RST5111

 
 
18h 21m 15.02s -00 47' 10.9" P.A. 82 sep 1.3 mag 9.30,13.90 Sp A0
 
 
Coord 2000
18213-0047
Discov num
RST5111
Comp
Coord arcsec 2000
18 21 15.02 -00 47 10.9
Date first
1943
Date last
1987
Obs
3
Pa first
74
Pa last
82
P.A. Now (θ)
82°
Sep first
0.9
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
9.30
Mag sec
13.90
delta mag (ΔM)
4.6
Spectral class
A0 (white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
82
Precise sep
1.26
Constellation
Serpens
SAO
142239
last precise pa
82
last precise sep
1.26
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18213-0047 RST5111 1987 3 82 1.3 9.30 13.90 A0 182115.02-004710.9

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