12280+4753 ES 2642

 
 
12h 28m 00.37s +47 53' 59.9" P.A. 257 sep 29.2 mag 10.15,10.41
 
 
Coord 2000
12280+4753
Discov num
ES 2642
Comp
Coord arcsec 2000
12 28 00.37 +47 53 59.9
Date first
1902
Date last
2015
Obs
14
Pa first
259
Pa last
257
P.A. Now (θ)
257°
Sep first
29.5
Sep last
29.2
Sep. Now (ρ)
29.2"
Mag pri
10.15
Mag sec
10.41
delta mag (ΔM)
0.26
Spectral class
Pri motion ra
-028
Sec motion ra
-026
Pri motion dec
-001
Sec motion dec
-001
Notes
rPM=0.071 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
257.2
Precise sep
29.183
Cdsa2 id
ES 2642
Constellation
Canes Venatici
Tycho2
3456-01158-1
Ra deg
12.466769444444445
De deg
47.899972222222225
last precise pa
257.2
last precise sep
29.183
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12280+4753 ES 2642 2006 9 257 28.1 10.15 10.41 D 122800.37+475359.9
12280+4753 ES 2642 2009 10 257 28.1 10.15 10.41 D 122800.37+475359.9
12280+4753 ES 2642 2015 13 257 29.2 10.15 10.41 122800.37+475359.9

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