18166+8027 LDS1884

 
 
18h 16m 17.02s +80 27' 44.9" P.A. 109 sep 5.7 mag 10.96,12.50
 
 
Coord 2000
18166+8027
Discov num
LDS1884
Comp
Coord arcsec 2000
18 16 17.02 +80 27 44.9
Date first
1965
Date last
2004
Obs
3
Pa first
99
Pa last
109
P.A. Now (θ)
109°
Sep first
5.5
Sep last
5.7
Sep. Now (ρ)
5.7"
Mag pri
10.96
Mag sec
12.50
delta mag (ΔM)
1.54
Spectral class
Pri motion ra
-147
Sec motion ra
-137
Pri motion dec
-078
Sec motion dec
-068
Notes
rPM=0.085 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
109.2
Precise sep
5.661
Constellation
Draco
Tycho2
4578-00785-1
last precise pa
109.2
last precise sep
5.661
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18166+8027 LDS1884 1999 2 109 5.7 10.96 12.50 D 181617.02+802744.9
18166+8027 LDS1884 2004 3 109 5.7 10.96 12.50 D 181617.02+802744.9

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