18020+6426 BU  418

 
 
18h 02m 01.00s +64 26' 26.0" P.A. 226 sep 14.4 mag 8.44,12.20 Sp K0
 
 
Coord 2000
18020+6426
Discov num
BU  418
Comp
Coord arcsec 2000
18 02 01.00 +64 26 26.0
Date first
1879
Date last
2010
Obs
8
Pa first
227
Pa last
226
P.A. Now (θ)
226°
Sep first
14.6
Sep last
14.4
Sep. Now (ρ)
14.4"
Mag pri
8.44
Mag sec
12.20
delta mag (ΔM)
3.76
Spectral class
K0 (yellow-orange)
Pri motion ra
-036
Sec motion ra
-037
Pri motion dec
+009
Sec motion dec
+005
Notes
rPM=0.11 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
226.1
Precise sep
14.41
Constellation
Draco
SAO
17730
Tycho2
4209-00981-1
HD
165588
last precise pa
226.1
last precise sep
14.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18020+6426 BU 418 1999 6 226 14.3 8.44 12.20 K0 D 180201.00+642626.0
18020+6426 BU 418 2004 7 227 14.3 8.44 12.20 K0 D 180201.00+642626.0
18020+6426 BU 418 2010 8 225 14.5 8.44 12.20 K0 180201.00+642626.0

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