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
 
 
Precise pa
283.1
Precise sep
0.2
Cdsa2 id
DON 40
Constellation
Eridanus
SAO
168028
Tycho2
5869-00863-1
HD
17262
Ra deg
2.7604722222222224
De deg
-20.069583333333334
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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