20087+6730 SKF1244

 
 
20h 08m 41.54s +67 29' 47.2" P.A. 184.00 sep 97.9 mag 9.88,10.20 Sp F5+F8
 
 
Coord 2000
20087+6730
Discov num
SKF1244
Comp
Coord arcsec 2000
20 08 41.54 +67 29 47.2
Date first
1894
Date last
2015
Obs
11
Pa first
184
Pa last
184
P.A. Now (θ)
184°
Sep first
98.5
Sep last
97.9
Sep. Now (ρ)
97.9"
Mag pri
9.88
Mag sec
10.20
delta mag (ΔM)
0.32
Spectral class
F5+F8 (yellow-white/yellow-white)
Pri motion ra
+019
Sec motion ra
+018
Pri motion dec
+022
Sec motion dec
+024
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.075 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
183.6
Precise sep
97.907
Constellation
Draco
Tycho2
4244-00507-1
Gaia DR2
75946048512
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20087+6730 SKF1244 2010 6 184 98.0 9.80 10.20 F5+F8 V 200841.54+672947.2
20087+6730 SKF1244 2015 7 184 97.9 9.88 10.20 F5+F8 V 200841.54+672947.2

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