18549+6911 WFC 215

 
 
18h 54m 55.23s +69 11' 11.7" P.A. 254 sep 3.8 mag 10.10,10.22
 
 
Coord 2000
18549+6911
Discov num
WFC 215
Comp
Coord arcsec 2000
18 54 55.23 +69 11 11.7
Date first
1893
Date last
2015
Obs
8
Pa first
249
Pa last
254
P.A. Now (θ)
254°
Sep first
3.6
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
10.10
Mag sec
10.22
delta mag (ΔM)
0.12
Spectral class
Pri motion ra
+013
Sec motion ra
-022
Pri motion dec
+014
Sec motion dec
+003
Notes
rPM=1.652
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
254
Precise sep
3.807
Constellation
Draco
Tycho2
4431-01328-1
Gaia DR2
2262289502508290560
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18549+6911 WFC 215 2006 6 254 3.9 10.10 10.22 D 185455.23+691111.7
18549+6911 WFC 215 2015 8 254 3.8 10.10 10.22 185455.23+691111.7

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