10217+2144 COU 171

 
 
10h 21m 41.01s +21 44' 02.8" P.A. 131 sep 3.7 mag 11.70,12.80
 
 
Coord 2000
10217+2144
Discov num
COU 171
Comp
Coord arcsec 2000
10 21 41.01 +21 44 02.8
Date first
1967
Date last
2014
Obs
5
Pa first
134
Pa last
131
P.A. Now (θ)
131°
Sep first
3.4
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
11.70
Mag sec
12.80
delta mag (ΔM)
1.1
Spectral class
Pri motion ra
+001
Sec motion ra
-021
Pri motion dec
-026
Sec motion dec
-003
Notes
rPM=1.223
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
130.8
Precise sep
3.74
Constellation
Leo
last precise pa
130.8
last precise sep
3.74
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10217+2144 COU 171 2002 2 130 3.6 11.50 12.50 102139.92+214442.7
10217+2144 COU 171 2014 5 131 3.7 11.70 12.80 102141.01+214402.8

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