12239+4441 ES 1155

 
 
12h 23m 57.75s +44 40' 37.9" P.A. 201 sep 3.6 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
2017
Obs
9
Pa first
195
Pa last
201
P.A. Now (θ)
201°
Sep first
3.9
Sep last
3.6
Sep. Now (ρ)
3.6"
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
rPM=1.158
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
200.8
Precise sep
3.594
Cdsa2 id
ES 1155
Constellation
Canes Venatici
Ra deg
12.399375
De deg
44.67719444444444
last precise pa
200.8
last precise sep
3.594
 
 
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
12239+4441 ES 1155 2017 9 201 3.6 10.90 11.80 122357.75+444037.9

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