10207+3719 ES 1639

 
 
10h 20m 39.78s +37 18' 57.9" P.A. 132 sep 2.3 mag 11.66,11.90
 
 
Coord 2000
10207+3719
Discov num
ES 1639
Comp
Coord arcsec 2000
10 20 39.78 +37 18 57.9
Date first
1917
Date last
2010
Obs
6
Pa first
131
Pa last
132
P.A. Now (θ)
132°
Sep first
2.1
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
11.66
Mag sec
11.90
delta mag (ΔM)
0.24
Spectral class
Pri motion ra
-035
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
132
Precise sep
2.27
Constellation
Leo Minor
Tycho2
2516-00227-1
last precise pa
132
last precise sep
2.27
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10207+3719 ES 1639 2007 5 133 2.2 11.66 11.90 102039.78+371857.9
10207+3719 ES 1639 2010 6 132 2.2 11.66 11.90 102039.78+371857.9

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