03390+4445 ES 1312

 
 
03h 38m 59.67s +44 45' 17.3" P.A. 103 sep 2.3 mag 11.03,11.10 Sp F8
 
 
Coord 2000
03390+4445
Discov num
ES 1312
Comp
Coord arcsec 2000
03 38 59.67 +44 45 17.3
Date first
1914
Date last
2008
Obs
6
Pa first
100
Pa last
103
P.A. Now (θ)
103°
Sep first
2.1
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
11.03
Mag sec
11.10
delta mag (ΔM)
0.07
Spectral class
F8 (yellow-white)
Pri motion ra
-011
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
102.8
Precise sep
2.31
Constellation
Perseus
Tycho2
2874-00371-1
last precise pa
102.8
last precise sep
2.31
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03390+4445 ES 1312 1997 5 111 2.2 11.03 11.10 F8 033859.67+444517.3
03390+4445 ES 1312 2008 6 103 2.3 11.03 11.10 F8 033859.67+444517.3

If you need more information about this double, apply for a data request form to the WDS.