03315+7152 A   981

 
 
03h 31m 28.42s +71 51' 34.2" P.A. 18 sep 1 mag 7.91,9.90 Sp A0
 
 
Coord 2000
03315+7152
Discov num
A   981
Comp
Coord arcsec 2000
03 31 28.42 +71 51 34.2
Date first
1905
Date last
1991
Obs
7
Pa first
8
Pa last
18
P.A. Now (θ)
18°
Sep first
0.9
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
7.91
Mag sec
9.90
delta mag (ΔM)
1.99
Spectral class
A0 (white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-013
Sec motion dec
-013
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
17.8
Precise sep
1.017
Constellation
Cassiopeia
SAO
4924
Tycho2
4334-00716-1
HD
21290
last precise pa
17.8
last precise sep
1.017
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03315+7152 A 981 1991 7 18 1.0 7.91 9.90 A0 033128.42+715134.2

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