02559+3135 ES  325

 
 
02h 55m 53.97s +31 34' 44.4" P.A. 2 sep 13.6 mag 8.10,12.91 Sp F5
 
 
Coord 2000
02559+3135
Discov num
ES  325
Comp
Coord arcsec 2000
02 55 53.97 +31 34 44.4
Date first
1906
Date last
2010
Obs
5
Pa first
0
Pa last
2
P.A. Now (θ)
Sep first
12.9
Sep last
13.6
Sep. Now (ρ)
13.6"
Mag pri
8.10
Mag sec
12.91
delta mag (ΔM)
4.81
Spectral class
F5 (yellow-white)
Pri motion ra
+031
Sec motion ra
Pri motion dec
-065
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
56013
Tycho2
2326-00421-1
HD
18157
last precise pa
2.1
last precise sep
13.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02559+3135 ES 325 1998 3 2 13.7 8.10 12.70 F5 D 025553.97+313444.4
02559+3135 ES 325 2001 4 2 13.8 8.10 12.70 F5 D 025553.97+313444.4
02559+3135 ES 325 2010 5 1 13.6 8.10 12.91 F5 025553.97+313444.4

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