18549-2157 RSS 495

 
 
18h 54m 52.97s -21 57' 14.3" P.A. 68 sep 21.6 mag 9.42,12.00 Sp A3:m dist. 122.55 pc (399.76 l.y.)
 
 
Coord 2000
18549-2157
Discov num
RSS 495
Comp
Coord arcsec 2000
18 54 52.97 -21 57 14.3
Date first
1921
Date last
2010
Obs
6
Pa first
74
Pa last
68
P.A. Now (θ)
68°
Sep first
23.2
Sep last
21.6
Sep. Now (ρ)
21.6"
Mag pri
9.42
Mag sec
12.00
delta mag (ΔM)
2.58
Spectral class
A3:m (white)
Pri motion ra
+017
Sec motion ra
-010
Pri motion dec
-021
Sec motion dec
+004
Notes
N (See Notes)
rPM=1.362
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
67.8
Precise sep
21.56
Constellation
Sagittarius
SAO
187443
HIP
92834
Tycho2
6293-00548-1
HD
175142
BD
BD-22 4914
CD
CD-2213417
CP
CP-22 7265
Distance
122.55
Distance ly
399.76
last precise pa
67.8
last precise sep
21.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18549-2157 RSS 495 1999 4 68 21.8 9.42 12.00 A3:m N D 185452.97-215714.3
18549-2157 RSS 495 2010 6 68 21.6 9.42 12.00 A3:m N 185452.97-215714.3

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