10217+2144 COU 171

 
 
10h 21m 41.01s +21 44' 02.8" P.A. 130 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
2017
Obs
6
Pa first
134
Pa last
130
P.A. Now (θ)
130°
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
130.1
Precise sep
3.72
Cdsa2 id
COU 171
Constellation
Leo
Ra deg
10.361391666666666
De deg
21.734111111111112
last precise pa
130.1
last precise sep
3.72
 
 
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
10217+2144 COU 171 2017 6 130 3.7 11.70 12.80 102141.01+214402.8

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