20015-6811 DON 974

 
 
20h 01m 32.37s -68 11' 01.4" P.A. 106 sep 1.7 mag 9.95,13.40 Sp A3III/IV
 
 
Coord 2000
20015-6811
Discov num
DON 974
Comp
Coord arcsec 2000
20 01 32.37 -68 11 01.4
Date first
1929
Date last
1948
Obs
2
Pa first
107
Pa last
106
P.A. Now (θ)
106°
Sep first
1.7
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
9.95
Mag sec
13.40
delta mag (ΔM)
3.45
Spectral class
A3III/IV (white)
Pri motion ra
-008
Sec motion ra
Pri motion dec
-022
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
106.4
Precise sep
1.68
Constellation
Pavo
Tycho2
9307-01753-1
HD
188747
last precise pa
106.4
last precise sep
1.68
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20015-6811 DON 974 1948 2 106 1.7 9.95 13.40 A3III/IV 200132.37-681101.4

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