02456-2004 DON  40

 
 
02h 45m 37.70s -20 04' 10.5" P.A. 283 sep 0.2 mag 10.50,10.60 Sp F3V
 
 
Coord 2000
02456-2004
Discov num
DON  40
Comp
Coord arcsec 2000
02 45 37.70 -20 04 10.5
Date first
1930
Date last
1990
Obs
8
Pa first
255
Pa last
283
P.A. Now (θ)
283°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
10.50
Mag sec
10.60
delta mag (ΔM)
0.1
Spectral class
F3V (yellow-white)
Pri motion ra
+025
Sec motion ra
Pri motion dec
-011
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Eridanus
SAO
168028
Tycho2
5869-00863-1
HD
17262
last precise pa
283.1
last precise sep
0.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02456-2004 DON 40 1990 8 283 0.2 10.50 10.60 F3V 024537.70-200410.5

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