17446+4440 A  1882

 
 
17h 44m 34.43s +44 39' 54.0" P.A. 53 sep 1.8 mag 9.08,13.80 Sp A5
 
 
Coord 2000
17446+4440
Discov num
A  1882
Comp
Coord arcsec 2000
17 44 34.43 +44 39 54.0
Date first
1908
Date last
1928
Obs
3
Pa first
58
Pa last
53
P.A. Now (θ)
53°
Sep first
1.5
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
9.08
Mag sec
13.80
delta mag (ΔM)
4.72
Spectral class
A5 (white)
Pri motion ra
-007
Sec motion ra
Pri motion dec
-019
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
53
Precise sep
1.78
Constellation
Hercules
SAO
46923
Tycho2
3100-00935-1
last precise pa
53
last precise sep
1.78
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17446+4440 A 1882 1928 3 53 1.8 9.08 13.80 A5 174434.43+443954.0

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