18598+5543 ES 1748

 
 
18h 59m 44.10s +55 43' 25.9" P.A. 55 sep 6.6 mag 9.45,10.80 Sp G5
 
 
Coord 2000
18598+5543
Discov num
ES 1748
Comp
Coord arcsec 2000
18 59 44.10 +55 43 25.9
Date first
1904
Date last
2010
Obs
10
Pa first
65
Pa last
55
P.A. Now (θ)
55°
Sep first
6.5
Sep last
6.6
Sep. Now (ρ)
6.6"
Mag pri
9.45
Mag sec
10.80
delta mag (ΔM)
1.35
Spectral class
G5 (yellow)
Pri motion ra
-018
Sec motion ra
-014
Pri motion dec
+004
Sec motion dec
+012
Notes
rPM=0.485
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
54.9
Precise sep
6.58
Constellation
Draco
SAO
31309
Tycho2
3923-01497-1
HD
238964
last precise pa
54.9
last precise sep
6.58
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18598+5543 ES 1748 2000 8 55 6.7 9.45 10.80 G5 D 185944.10+554325.9
18598+5543 ES 1748 2010 9 55 6.6 9.45 10.80 G5 D 185944.10+554325.9

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