17054+4803 SDK   1

 
 
17h 05m 30.42s +48 03' 12.5" P.A. 112 sep 5.7 mag 12.90,13.50 Sp DA4+DA5
 
 
Coord 2000
17054+4803
Discov num
SDK   1
Comp
Coord arcsec 2000
17 05 30.42 +48 03 12.5
Date first
1982
Date last
2013
Obs
6
Pa first
111
Pa last
112
P.A. Now (θ)
112°
Sep first
5.9
Sep last
5.7
Sep. Now (ρ)
5.7"
Mag pri
12.90
Mag sec
13.50
delta mag (ΔM)
0.6
Spectral class
DA4+DA5
Pri motion ra
+003
Sec motion ra
Pri motion dec
-057
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
111.5
Precise sep
5.735
Constellation
Hercules
last precise pa
111.5
last precise sep
5.735
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17054+4803 SDK 1 1998 2 112 5.7 12.90 13.50 DA D 170530.42+480312.5
17054+4803 SDK 1 2009 3 112 5.7 11.58 12.97 DA4 + DA5 N D 170530.42+480312.5
17054+4803 SDK 1 2013 6 112 5.7 12.90 13.50 DA4+DA5 N 170530.42+480312.5

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