18553+0251 ROE   8

 
 
18h 55m 20.59s +02 50' 41.0" P.A. 246 sep 5.5 mag 10.52,11.10
 
 
Coord 2000
18553+0251
Discov num
ROE   8
Comp
Coord arcsec 2000
18 55 20.59 +02 50 41.0
Date first
1909
Date last
2009
Obs
8
Pa first
249
Pa last
246
P.A. Now (θ)
246°
Sep first
5.9
Sep last
5.5
Sep. Now (ρ)
5.5"
Mag pri
10.52
Mag sec
11.10
delta mag (ΔM)
0.58
Spectral class
Pri motion ra
+005
Sec motion ra
-055
Pri motion dec
+007
Sec motion dec
-017
Notes
rPM=1.123
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
245.7
Precise sep
5.54
Constellation
Serpens
Tycho2
0453-00684-1
last precise pa
245.7
last precise sep
5.54
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18553+0251 ROE 8 1999 6 246 5.6 10.52 11.10 D 185520.59+025041.0
18553+0251 ROE 8 2009 7 246 5.5 10.52 11.10 D 185520.59+025041.0

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