18110+5038 HDS2564

 
 
18h 10m 59.34s +50 37' 57.1" P.A. 306 sep 0.4 mag 9.40,11.51 Sp G0 dist. 165.29 pc (539.18 l.y.)
 
 
Coord 2000
18110+5038
Discov num
HDS2564
Comp
Coord arcsec 2000
18 10 59.34 +50 37 57.1
Date first
1991
Date last
2010
Obs
2
Pa first
309
Pa last
306
P.A. Now (θ)
306°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
9.40
Mag sec
11.51
delta mag (ΔM)
2.11
Spectral class
G0 (yellow)
Pri motion ra
-011
Sec motion ra
Pri motion dec
+009
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
306
Precise sep
0.35
Constellation
Draco
SAO
30791
HIP
89092
Tycho2
3536-00032-1
HD
234575
BD
BD+50 2533
Distance
165.29
Distance ly
539.18
last precise pa
306
last precise sep
0.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18110+5038 HDS2564 1991 1 309 0.4 9.40 11.51 G0 D 181059.34+503757.1
18110+5038 HDS2564 2010 2 306 0.4 9.40 11.51 G0 181059.34+503757.1

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