12309+5453 STI2285

 
 
12h 30m 57.68s +54 52' 24.0" P.A. 338 sep 9.8 mag 11.40,12.20
 
 
Coord 2000
12309+5453
Discov num
STI2285
Comp
Coord arcsec 2000
12 30 57.68 +54 52 24.0
Date first
1914
Date last
2013
Obs
17
Pa first
338
Pa last
338
P.A. Now (θ)
338°
Sep first
9.4
Sep last
9.8
Sep. Now (ρ)
9.8"
Mag pri
11.40
Mag sec
12.20
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
-021
Sec motion ra
-022
Pri motion dec
-003
Sec motion dec
+002
Notes
rPM=0.231 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
337.6
Precise sep
9.794
Constellation
Ursa Major
Tycho2
3841-00033-1
last precise pa
337.6
last precise sep
9.794
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12309+5453 STI2285 2007 6 337 9.6 10.85 11.40 123102.82+545243.4
12309+5453 STI2285 2013 9 338 9.8 11.40 12.20 123057.68+545224.0

If you need more information about this double, apply for a data request form to the WDS.