18175-2354 RST3169

 
 
18h 17m 29.88s -23 53' 48.7" P.A. 224 sep 0.5 mag 10.95,10.53 Sp B9/9.5V
 
 
Coord 2000
18175-2354
Discov num
RST3169
Comp
Coord arcsec 2000
18 17 29.88 -23 53 48.7
Date first
1935
Date last
1991
Obs
4
Pa first
212
Pa last
224
P.A. Now (θ)
224°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.95
Mag sec
10.53
delta mag (ΔM)
0.42
Spectral class
B9/9.5V (blue-white)
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
-009
Sec motion dec
-009
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
224
Precise sep
0.49
Constellation
Sagittarius
Tycho2
6844-03188-1
HD
167723
last precise pa
224
last precise sep
0.49
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18175-2354 RST3169 1991 4 224 0.5 10.95 10.53 B9/9.5V 181729.88-235348.7

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