18450-2813 B   403

 
 
18h 44m 59.29s -28 13' 25.5" P.A. 76 sep 2.4 mag 9.54,12.90 Sp F0V
 
 
Coord 2000
18450-2813
Discov num
B   403
Comp
Coord arcsec 2000
18 44 59.29 -28 13 25.5
Date first
1927
Date last
1986
Obs
3
Pa first
75
Pa last
76
P.A. Now (θ)
76°
Sep first
2.5
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
9.54
Mag sec
12.90
delta mag (ΔM)
3.36
Spectral class
F0V (yellow-white)
Pri motion ra
+022
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
76
Precise sep
2.39
Constellation
Sagittarius
SAO
187219
Tycho2
6871-00731-1
HD
173143
last precise pa
76
last precise sep
2.39
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18450-2813 B 403 1986 3 76 2.4 9.54 12.90 F0V 184459.29-281325.5

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