18563+5537 MLB 138

 
 
18h 56m 15.79s +55 36' 20.2" P.A. 63 sep 4.9 mag 10.63,13.10
 
 
Coord 2000
18563+5537
Discov num
MLB 138
Comp
Coord arcsec 2000
18 56 15.79 +55 36 20.2
Date first
1919
Date last
2016
Obs
5
Pa first
64
Pa last
63
P.A. Now (θ)
63°
Sep first
4.6
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
10.63
Mag sec
13.10
delta mag (ΔM)
2.47
Spectral class
Pri motion ra
+030
Sec motion ra
+030
Pri motion dec
+154
Sec motion dec
+152
Notes
W
rPM=0.013 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
62.6
Precise sep
4.86
Constellation
Draco
Tycho2
3923-00399-1
Gaia DR2
2152854796663244160
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18563+5537 MLB 138 2000 2 62 4.8 10.63 13.10 D 185615.79+553620.2
18563+5537 MLB 138 2003 3 62 4.8 10.63 13.10 D 185615.79+553620.2
18563+5537 MLB 138 2016 5 63 4.9 10.63 13.10 W 185615.79+553620.2

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