18550+6143 ES 2669

 
 
18h 55m 01.81s +61 42' 42.4" P.A. 166 sep 11.6 mag 10.20,10.60 Sp G5
 
 
Coord 2000
18550+6143
Discov num
ES 2669
Comp
Coord arcsec 2000
18 55 01.81 +61 42 42.4
Date first
1898
Date last
2010
Obs
7
Pa first
162
Pa last
166
P.A. Now (θ)
166°
Sep first
11.0
Sep last
11.6
Sep. Now (ρ)
11.6"
Mag pri
10.20
Mag sec
10.60
delta mag (ΔM)
0.4
Spectral class
G5 (yellow)
Pri motion ra
-005
Sec motion ra
-008
Pri motion dec
-006
Sec motion dec
-013
Notes
rPM=0.499
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
165.7
Precise sep
11.64
Constellation
Draco
last precise pa
165.7
last precise sep
11.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18550+6143 ES 2669 2006 5 167 12.1 10.20 10.60 G5 D 185501.81+614242.4
18550+6143 ES 2669 2010 7 166 11.8 10.20 10.60 G5 185501.81+614242.4

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