18399+8319 SKF1317

 
 
18h 39m 52.31s +83 18' 36.2" P.A. 2 sep 115.6 mag 8.57,11.25 Sp F5
 
 
Coord 2000
18399+8319
Discov num
SKF1317
Comp
Coord arcsec 2000
18 39 52.31 +83 18 36.2
Date first
1899
Date last
2010
Obs
6
Pa first
2
Pa last
2
P.A. Now (θ)
Sep first
115.7
Sep last
115.6
Sep. Now (ρ)
115.6"
Mag pri
8.57
Mag sec
11.25
delta mag (ΔM)
2.68
Spectral class
F5 (yellow-white)
Pri motion ra
+028
Sec motion ra
+027
Pri motion dec
-040
Sec motion dec
-040
Notes
V (Proper motion indicates physical)
rPM=0.02 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
1.7
Precise sep
115.59
Constellation
Draco
SAO
3105
Tycho2
4648-00870-1
HD
176038
last precise pa
1.1
last precise sep
115.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18399+8319 SKF1317 2010 5 2 115.6 8.50 11.20 F5 V 183952.31+831836.2

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