19507-4454 DON 970

 
 
19h 50m 39.32s -44 53' 39.4" P.A. 201 sep 1.8 mag 10.36,13.40 Sp A9V
 
 
Coord 2000
19507-4454
Discov num
DON 970
Comp
Coord arcsec 2000
19 50 39.32 -44 53 39.4
Date first
1929
Date last
1929
Obs
1
Pa first
201
Pa last
201
P.A. Now (θ)
201°
Sep first
1.8
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
10.36
Mag sec
13.40
delta mag (ΔM)
3.04
Spectral class
A9V (white)
Pri motion ra
+011
Sec motion ra
Pri motion dec
-023
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
200.6
Precise sep
1.82
Constellation
Sagittarius
Tycho2
7946-00924-1
HD
187187
last precise pa
200.6
last precise sep
1.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19507-4454 DON 970 1929 1 201 1.8 10.36 13.40 A9V 195039.32-445339.4

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