18061-2207 B  1877

 
 
18h 06m 05.65s -22 06' 58.9" P.A. 230 sep 0.5 mag 9.34,9.77 Sp B3/5V
 
 
Coord 2000
18061-2207
Discov num
B  1877
Comp
Coord arcsec 2000
18 06 05.65 -22 06 58.9
Date first
1930
Date last
1991
Obs
6
Pa first
228
Pa last
230
P.A. Now (θ)
230°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
9.34
Mag sec
9.77
delta mag (ΔM)
0.43
Spectral class
B3/5V (blue-white)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
+000
Sec motion dec
+000
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
230.1
Precise sep
0.46
Constellation
Sagittarius
SAO
186270
Tycho2
6263-01491-1
HD
165287
last precise pa
230.1
last precise sep
0.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18061-2207 B 1877 1991 6 230 0.5 9.34 9.77 B3/5V 180605.65-220658.9

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