18563+3909 MLB 855

 
 
18h 56m 17.58s +39 09' 08.9" P.A. 260 sep 5 mag 12.60,13.80
 
 
Coord 2000
18563+3909
Discov num
MLB 855
Comp
Coord arcsec 2000
18 56 17.58 +39 09 08.9
Date first
1933
Date last
2015
Obs
4
Pa first
232
Pa last
260
P.A. Now (θ)
260°
Sep first
4.4
Sep last
5.0
Sep. Now (ρ)
5"
Mag pri
12.60
Mag sec
13.80
delta mag (ΔM)
1.2
Spectral class
Pri motion ra
+056
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
260.1
Precise sep
5.002
Constellation
Lyra
Gaia DR2
11913804800
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18563+3909 MLB 855 1998 2 253 5.0 12.60 13.80 D 185617.58+390908.9
18563+3909 MLB 855 2002 3 254 4.9 12.60 13.80 D 185617.58+390908.9
18563+3909 MLB 855 2010 4 243 4.4 12.60 13.80 185617.58+390908.9
18563+3909 MLB 855 2015 4 260 5.0 12.60 13.80 185617.58+390908.9

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