20308-5253 B  2486

 
 
20h 30m 49.97s -52 52' 33.9" P.A. 188 sep 8.3 mag 9.13,11.30 Sp F3IV/V
 
 
Coord 2000
20308-5253
Discov num
B  2486
Comp
Coord arcsec 2000
20 30 49.97 -52 52 33.9
Date first
1965
Date last
2015
Obs
6
Pa first
189
Pa last
188
P.A. Now (θ)
188°
Sep first
8.4
Sep last
8.3
Sep. Now (ρ)
8.3"
Mag pri
9.13
Mag sec
11.30
delta mag (ΔM)
2.17
Spectral class
F3IV/V (yellow-white)
Pri motion ra
+023
Sec motion ra
+023
Pri motion dec
-015
Sec motion dec
-045
Notes
rPM=0.594
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
187.7
Precise sep
8.268
Constellation
Indus
SAO
246619
Tycho2
8790-01271-1
Gaia DR2
87655163776
HD
194985
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20308-5253 B 2486 1999 2 188 8.3 9.13 11.30 F3IV/V D 203049.97-525233.9
20308-5253 B 2486 2010 4 187 7.7 9.13 11.30 F3IV/V 203049.97-525233.9
20308-5253 B 2486 2015 5 188 8.3 9.13 11.30 F3IV/V 203049.97-525233.9

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