18046+5053 STF2279

 
 
18h 04m 33.72s +50 52' 48.0" P.A. 180 sep 13.2 mag 9.86,10.27 Sp F8
 
 
Coord 2000
18046+5053
Discov num
STF2279
Comp
Coord arcsec 2000
18 04 33.72 +50 52 48.0
Date first
1829
Date last
2010
Obs
30
Pa first
183
Pa last
180
P.A. Now (θ)
180°
Sep first
13.0
Sep last
13.2
Sep. Now (ρ)
13.2"
Mag pri
9.86
Mag sec
10.27
delta mag (ΔM)
0.41
Spectral class
F8 (yellow-white)
Pri motion ra
+007
Sec motion ra
+008
Pri motion dec
+050
Sec motion dec
+035
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.298 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
179.9
Precise sep
13.23
Constellation
Draco
SAO
30728
Tycho2
3536-02106-1
last precise pa
179.9
last precise sep
13.23
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18046+5053 STF2279 2007 28 180 13.3 9.86 10.27 F8 DV 180433.72+505248.0
18046+5053 STF2279 2010 30 180 13.0 9.86 10.27 F8 NV 180433.72+505248.0

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