12170+6623 LDS2638

 
 
12h 17m 06.54s +66 23' 09.5" P.A. 256 sep 69.7 mag 11.65,14.44
 
 
Coord 2000
12170+6623
Discov num
LDS2638
Comp
Coord arcsec 2000
12 17 06.54 +66 23 09.5
Date first
1966
Date last
2010
Obs
4
Pa first
255
Pa last
256
P.A. Now (θ)
256°
Sep first
70.0
Sep last
69.7
Sep. Now (ρ)
69.7"
Mag pri
11.65
Mag sec
14.44
delta mag (ΔM)
2.79
Spectral class
Pri motion ra
-086
Sec motion ra
-089
Pri motion dec
+006
Sec motion dec
+003
Notes
rPM=0.048 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
255.8
Precise sep
69.69
Cdsa2 id
LDS 2638
Constellation
Draco
Tycho2
4161-01007-1
Ra deg
12.28515
De deg
66.38597222222224
last precise pa
255.8
last precise sep
69.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12170+6623 LDS2638 1999 2 256 69.8 11.95 15.10 D 121706.54+662309.5
12170+6623 LDS2638 2003 3 256 69.8 11.95 15.10 D 121706.54+662309.5
12170+6623 LDS2638 2010 4 256 69.7 11.65 14.44 121706.54+662309.5

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