18044-2421 TDT 662

 
 
18h 04m 21.27s -24 21' 18.2" P.A. 121 sep 1.8 mag 9.20,10.98 Sp B0.5V
 
 
Coord 2000
18044-2421
Discov num
TDT 662
Comp
Coord arcsec 2000
18 04 21.27 -24 21 18.2
Date first
1991
Date last
1991
Obs
1
Pa first
121
Pa last
121
P.A. Now (θ)
121°
Sep first
1.8
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
9.20
Mag sec
10.98
delta mag (ΔM)
1.78
Spectral class
B0.5V (blue-white)
Pri motion ra
+002
Sec motion ra
+002
Pri motion dec
-005
Sec motion dec
-005
Notes
X (Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
120.6
Precise sep
1.78
Constellation
Sagittarius
Tycho2
6842-01562-1
last precise pa
120.6
last precise sep
1.78
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18044-2421 TDT 662 1991 1 121 1.8 9.20 10.98 180421.27-242118.2

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