16563+7417 A  1144

 
 
16h 56m 18.78s +74 16' 58.2" P.A. 304 sep 4.8 mag 7.14,14.00 Sp F6V dist. 49.53 pc (161.57 l.y.)
 
 
Coord 2000
16563+7417
Discov num
A  1144
Comp
Coord arcsec 2000
16 56 18.78 +74 16 58.2
Date first
1905
Date last
2000
Obs
6
Pa first
307
Pa last
304
P.A. Now (θ)
304°
Sep first
5.1
Sep last
4.8
Sep. Now (ρ)
4.8"
Mag pri
7.14
Mag sec
14.00
delta mag (ΔM)
6.86
Spectral class
F6V (yellow-white)
Pri motion ra
+066
Sec motion ra
Pri motion dec
-088
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
304.2
Precise sep
4.82
Constellation
Draco
SAO
8670
HIP
82886
Tycho2
4426-00975-1
HD
154181
BD
BD+74 695
Distance
49.53
Distance ly
161.57
last precise pa
304.2
last precise sep
4.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16563+7417 A 1144 1946 4 303 5.8 7.20 14.00 F6V 165618.78+741658.2
16563+7417 A 1144 2000 6 304 4.8 7.20 14.00 F6V 165618.78+741658.2

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