18543+6706 MLB 287

 
 
18h 54m 16.56s +67 05' 58.4" P.A. 316 sep 7.1 mag 11.80,14.90
 
 
Coord 2000
18543+6706
Discov num
MLB 287
Comp
Coord arcsec 2000
18 54 16.56 +67 05 58.4
Date first
1923
Date last
2003
Obs
4
Pa first
345
Pa last
316
P.A. Now (θ)
316°
Sep first
4.1
Sep last
7.1
Sep. Now (ρ)
7.1"
Mag pri
11.80
Mag sec
14.90
delta mag (ΔM)
3.1
Spectral class
Pri motion ra
+011
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
315.6
Precise sep
7.132
Constellation
Draco
last precise pa
315.6
last precise sep
7.132
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18543+6706 MLB 287 1923 1 345 4.1 11.22 13.70 185416.40+670600.1
18543+6706 MLB 287 2000 3 318 7.2 11.22 13.70 185416.40+670600.1
18543+6706 MLB 287 2003 4 316 7.1 11.80 14.90 R 185416.56+670558.4

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