12104+5455 ES   73BC

 
 
12h 10m 23.90s +54 55' 08.5" P.A. 307 sep 3.2 mag 11.60,12.10
 
 
Coord 2000
12104+5455
Discov num
ES   73
Comp
BC
Coord arcsec 2000
12 10 23.90 +54 55 08.5
Date first
1901
Date last
2014
Obs
26
Pa first
305
Pa last
307
P.A. Now (θ)
307°
Sep first
3.6
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
11.60
Mag sec
12.10
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
Sec motion ra
-040
Pri motion dec
Sec motion dec
+033
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
12104+5455 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 28274 12104+5455 ES 73 AB 1901 2014 25 29 37.3 9.05 11.60 2.55
Show 12104+5455 ES 73 BC 1901 2014 26 307 3.2 11.60 12.10 0.50 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
306.5
Precise sep
3.23
Cdsa2 id
ES 73 BC
Constellation
Ursa Major
Ra deg
12.173305555555554
De deg
54.91902777777778
last precise pa
306.5
last precise sep
3.23
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12104+5455 ES 73 BC 2003 12 308 3.2 11.10 11.30 D 121023.67+545509.4
12104+5455 ES 73 BC 2007 16 306 3.2 11.10 11.30 D 121023.67+545509.4
12104+5455 ES 73 BC 2014 26 307 3.2 11.60 12.10 R 121023.90+545508.5

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