18353-2205 WNO  22 (V4400 Sgr)

 
 
18h 35m 20.47s -22 05' 27.4" P.A. 269 sep 11.3 mag 8.09,11.63 Sp B2Vnne dist. 418.41 pc (1364.85 l.y.)
 
 
Coord 2000
18353-2205
Discov num
WNO  22
Comp
Coord arcsec 2000
18 35 20.47 -22 05 27.4
Date first
1921
Date last
2002
Obs
12
Pa first
268
Pa last
269
P.A. Now (θ)
269°
Sep first
9.8
Sep last
11.3
Sep. Now (ρ)
11.3"
Mag pri
8.09
Mag sec
11.63
delta mag (ΔM)
3.54
Spectral class
B2Vnne (blue-white)
Pri motion ra
+002
Sec motion ra
+012
Pri motion dec
-004
Sec motion dec
-006
Notes
rPM=0.76
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
269.4
Precise sep
11.29
Var name
V4400 Sgr
Constellation
Sagittarius
SAO
187010
HIP
91130
Tycho2
6279-00380-3
HD
171348
BD
BD-22 4790
CD
CD-2213117
Distance
418.41
Distance ly
1364.85
last precise pa
269.4
last precise sep
11.29
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18353-2205 WNO 22 2002 11 269 11.3 8.09 11.63 B2Vnne D 183520.47-220527.4
18353-2205 WNO 22 2010 13 271 11.7 8.09 11.63 B2Vnne 183520.47-220527.4

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