15117+6337 HDS2135 (NO Dra)

 
 
15h 11m 44.45s +63 37' 19.0" P.A. 138.00 sep 0.2 mag 8.39,9.56 Sp A2 dist. 210.08 pc (685.28 l.y.)
 
 
Coord 2000
15117+6337
Discov num
HDS2135
Comp
Coord arcsec 2000
15 11 44.45 +63 37 19.0
Date first
1991
Date last
2010
Obs
3
Pa first
128
Pa last
138
P.A. Now (θ)
138°
Sep first
0.1
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
8.39
Mag sec
9.56
delta mag (ΔM)
1.17
Spectral class
A2 (white)
Pri motion ra
-020
Sec motion ra
Pri motion dec
+009
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
138.2
Precise sep
0.161
Var name
NO Dra
Constellation
Draco
SAO
16637
HIP
74355
Tycho2
4183-00241-1
Gaia DR2
1619850149798345088
HD
135437
BD
BD+64 1052
Distance
210.08
Distance ly
685.28
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15117+6337 HDS2135 1991 1 128 0.1 8.39 9.56 A2 151144.45+633719.0
15117+6337 HDS2135 2010 2 318 0.2 8.39 9.56 A2 D 151144.45+633719.0

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