17397+7256 H 1  41

 
 
17h 39m 43.81s +72 55' 42.0" P.A. 335 sep 1 mag 8.10,8.52 Sp F2
 
 
Coord 2000
17397+7256
Discov num
H 1  41
Comp
Coord arcsec 2000
17 39 43.81 +72 55 42.0
Date first
1876
Date last
2011
Obs
35
Pa first
341
Pa last
335
P.A. Now (θ)
335°
Sep first
1.4
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
8.10
Mag sec
8.52
delta mag (ΔM)
0.42
Spectral class
F2 (yellow-white)
Pri motion ra
-020
Sec motion ra
-020
Pri motion dec
+009
Sec motion dec
+009
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
335.4
Precise sep
0.991
Constellation
Draco
SAO
8876
Tycho2
4436-00199-1
HD
161692
last precise pa
335.4
last precise sep
0.991
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17397+7256 H 1 41 2006 33 336 1.1 8.10 8.52 F2 N D 173943.81+725542.0
17397+7256 H 1 41 2008 35 335 1.0 8.10 8.52 F2 N D 173943.81+725542.0
17397+7256 H 1 41 2011 36 335 1.0 8.10 8.52 F2 N D 173943.81+725542.0

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