12239+4441 ES 1155

 
 
12h 23m 57.75s +44 40' 37.9" P.A. 201 sep 3.5 mag 10.90,11.80
 
 
Coord 2000
12239+4441
Discov num
ES 1155
Comp
Coord arcsec 2000
12 23 57.75 +44 40 37.9
Date first
1912
Date last
2003
Obs
8
Pa first
195
Pa last
201
P.A. Now (θ)
201°
Sep first
3.9
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
10.90
Mag sec
11.80
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
+047
Sec motion ra
+012
Pri motion dec
+063
Sec motion dec
-021
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Canes Venatici
last precise pa
200.8
last precise sep
3.52
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12239+4441 ES 1155 2003 7 201 3.5 10.90 11.80 D 122357.75+444037.9
12239+4441 ES 1155 2010 9 201 3.3 10.90 11.80 122357.75+444037.9

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