12052+3851 ES  307

 
 
12h 05m 12.14s +38 51' 23.1" P.A. 354 sep 4.5 mag 9.11,13.60 Sp A9III
 
 
Coord 2000
12052+3851
Discov num
ES  307
Comp
Coord arcsec 2000
12 05 12.14 +38 51 23.1
Date first
1906
Date last
2017
Obs
8
Pa first
359
Pa last
354
P.A. Now (θ)
354°
Sep first
4.7
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
9.11
Mag sec
13.60
delta mag (ΔM)
4.49
Spectral class
A9III (white)
Pri motion ra
-015
Sec motion ra
Pri motion dec
+013
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
353.6
Precise sep
4.47
Constellation
Ursa Major
SAO
62832
Tycho2
3017-01832-1
Gaia DR2
63726136960
HD
104975
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12052+3851 ES 307 1998 6 357 4.6 9.11 13.60 A9III D 120512.14+385123.1
12052+3851 ES 307 2017 8 354 4.5 9.11 13.60 A9III 120512.14+385123.1

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