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
SAO
18068
Tycho2
4216-00069-1
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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