16584+6935 WRH  25

 
 
16h 58m 23.56s +69 35' 00.0" P.A. 225 sep 0.3 mag 10.40,10.60 Sp F2
 
 
Coord 2000
16584+6935
Discov num
WRH  25
Comp
Coord arcsec 2000
16 58 23.56 +69 35 00.0
Date first
1951
Date last
1980
Obs
4
Pa first
139
Pa last
225
P.A. Now (θ)
225°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
10.40
Mag sec
10.60
delta mag (ΔM)
0.2
Spectral class
F2 (yellow-white)
Pri motion ra
-024
Sec motion ra
Pri motion dec
+038
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
224.6
Precise sep
0.26
Constellation
Draco
SAO
17301
Tycho2
4420-00654-1
last precise pa
224.6
last precise sep
0.26
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16584+6935 WRH 25 1980 4 225 0.3 10.40 10.60 F2 165823.56+693500.0

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