20390-2428 B  2889

 
 
20h 39m 01.03s -24 27' 54.3" P.A. 220.00 sep 6.8 mag 10.19,13.30 Sp A7/8
 
 
Coord 2000
20390-2428
Discov num
B  2889
Comp
Coord arcsec 2000
20 39 01.03 -24 27 54.3
Date first
1910
Date last
2015
Obs
6
Pa first
225
Pa last
220
P.A. Now (θ)
220°
Sep first
7.0
Sep last
6.8
Sep. Now (ρ)
6.8"
Mag pri
10.19
Mag sec
13.30
delta mag (ΔM)
3.11
Spectral class
A7/8 (white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-011
Sec motion dec
-023
Notes
rPM=0.52
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
220.1
Precise sep
6.78
Constellation
Capricornus
SAO
189526
Tycho2
6912-01768-1
Gaia DR2
80932480128
HD
196560
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20390-2428 B 2889 1998 3 220 6.9 10.19 13.30 A7/8 D 203901.03-242754.3
20390-2428 B 2889 1999 4 220 6.9 10.19 13.30 A7/8 D 203901.03-242754.3
20390-2428 B 2889 2010 5 218 6.9 10.19 13.30 A7/8 203901.03-242754.3
20390-2428 B 2889 2015 6 220 6.8 10.19 13.30 A7/8 203901.03-242754.3

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