17290+5052 STF2180

 
 
17h 28m 58.17s +50 52' 13.0" P.A. 260 sep 3 mag 7.79,8.06 Sp A7IV dist. 110.99 pc (362.05 l.y.)
 
 
Coord 2000
17290+5052
Discov num
STF2180
Comp
Coord arcsec 2000
17 28 58.17 +50 52 13.0
Date first
1782
Date last
2017
Obs
129
Pa first
268
Pa last
260
P.A. Now (θ)
260°
Sep first
3.5
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
7.79
Mag sec
8.06
delta mag (ΔM)
0.27
Spectral class
A7IV (white)
Pri motion ra
-016
Sec motion ra
-016
Pri motion dec
+011
Sec motion dec
+011
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
260.2
Precise sep
3.032
Constellation
Draco
SAO
30413
HIP
85545
Tycho2
3521-00484-2
HD
158868
BD
BD+50 2412
Distance
110.99
Distance ly
362.05
last precise pa
260.2
last precise sep
3.032
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17290+5052 STF2180 2004 121 259 3.0 7.79 8.06 A7IV D 172858.17+505213.0
17290+5052 STF2180 2008 122 261 3.0 7.79 8.06 A7IV D 172858.17+505213.0
17290+5052 STF2180 2009 125 259 3.1 7.79 8.06 A7IV D 172858.17+505213.0
17290+5052 STF2180 2014 126 262 3.0 7.79 8.06 A7IV N D 172858.17+505213.0
17290+5052 STF2180 2017 129 260 3.0 7.79 8.06 A7IV N 172858.17+505213.0

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