18308-1108 LDS 642

 
 
18h 30m 41.27s -11 08' 31.7" P.A. 337 sep 80.2 mag 12.32,12.97
 
 
Coord 2000
18308-1108
Discov num
LDS 642
Comp
Coord arcsec 2000
18 30 41.27 -11 08 31.7
Date first
1920
Date last
2010
Obs
5
Pa first
315
Pa last
337
P.A. Now (θ)
337°
Sep first
81.0
Sep last
80.2
Sep. Now (ρ)
80.2"
Mag pri
12.32
Mag sec
12.97
delta mag (ΔM)
0.65
Spectral class
Pri motion ra
+013
Sec motion ra
+012
Pri motion dec
-081
Sec motion dec
-088
Notes
rPM=0.08 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
336.8
Precise sep
80.22
Constellation
Scutum
last precise pa
336.8
last precise sep
80.22
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18308-1108 LDS 642 1920 1 315 81.0 12.50 13.00 I 183041.27-110831.5
18308-1108 LDS 642 1999 3 337 80.5 12.50 13.00 183041.27-110831.7
18308-1108 LDS 642 2000 3 337 80.6 12.50 13.00 183041.27-110831.7
18308-1108 LDS 642 2010 5 337 80.2 12.32 12.97 183041.27-110831.7

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