02581+6912 STF 317

 
 
02h 58m 07.08s +69 11' 35.8" P.A. 84 sep 4.1 mag 7.93,9.82 Sp F2 dist. 80.45 pc (262.43 l.y.)
 
 
Coord 2000
02581+6912
Discov num
STF 317
Comp
Coord arcsec 2000
02 58 07.08 +69 11 35.8
Date first
1828
Date last
2012
Obs
25
Pa first
86
Pa last
84
P.A. Now (θ)
84°
Sep first
4.0
Sep last
4.1
Sep. Now (ρ)
4.1"
Mag pri
7.93
Mag sec
9.82
delta mag (ΔM)
1.89
Spectral class
F2 (yellow-white)
Pri motion ra
+088
Sec motion ra
+097
Pri motion dec
-096
Sec motion dec
-095
Notes
N (See Notes)
rPM=0.067 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
84
Precise sep
4.07
Constellation
Cassiopeia
SAO
12530
HIP
13836
Tycho2
4313-00525-1
HD
18056
BD
BD+68 209
Distance
80.45
Distance ly
262.43
last precise pa
84
last precise sep
4.07
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02581+6912 STF 317 2000 20 84 4.1 7.93 9.82 F2 N D 025807.08+691135.8
02581+6912 STF 317 2011 22 83 3.9 7.93 9.82 F2 N D 025807.08+691135.8
02581+6912 STF 317 2012 24 84 4.1 7.93 9.82 F2 N 025807.08+691135.8

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