20207-2150 ARA1923

 
 
20h 20m 40.04s -21 49' 37.4" sep 8.7 mag 9.92,12.90 Sp A2/3
 
 
Coord 2000
20207-2150
Discov num
ARA1923
Comp
Coord arcsec 2000
20 20 40.04 -21 49 37.4
Date first
1920
Date last
2015
Obs
5
Pa first
0
Pa last
0
P.A. Now (θ)
Sep first
7.8
Sep last
8.7
Sep. Now (ρ)
8.7"
Mag pri
9.92
Mag sec
12.90
delta mag (ΔM)
2.98
Spectral class
A2/3 (white)
Pri motion ra
+000
Sec motion ra
+003
Pri motion dec
-003
Sec motion dec
+005
Notes
rPM=1.465
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
0.2
Precise sep
8.749
Constellation
Capricornus
SAO
189177
Tycho2
6340-01671-1
Gaia DR2
02990073472
HD
193378
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20207-2150 ARA1923 1998 2 359 8.9 9.92 12.90 A2/3 D 202040.04-214937.4
20207-2150 ARA1923 1999 3 0 8.7 9.92 12.90 A2/3 D 202040.04-214937.4
20207-2150 ARA1923 2010 4 359 8.1 9.92 12.90 A2/3 202040.04-214937.4
20207-2150 ARA1923 2015 5 0 8.7 9.92 12.90 A2/3 202040.04-214937.4

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