17473+5218 CVR 863

 
 
17h 47m 19.92s +52 18' 20.3" P.A. 178 sep 7.9 mag 17.70,20.20 Sp M3+M6
 
 
Coord 2000
17473+5218
Discov num
CVR 863
Comp
Coord arcsec 2000
17 47 19.92 +52 18 20.3
Date first
2000
Date last
2010
Obs
3
Pa first
178
Pa last
178
P.A. Now (θ)
178°
Sep first
8.1
Sep last
7.9
Sep. Now (ρ)
7.9"
Mag pri
17.70
Mag sec
20.20
delta mag (ΔM)
2.5
Spectral class
M3+M6 (red/red)
Pri motion ra
-017
Sec motion ra
-023
Pri motion dec
+037
Sec motion dec
+037
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.138 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
177.8
Precise sep
7.9
Constellation
Draco
last precise pa
177.8
last precise sep
7.9
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17473+5218 CVR 863 2001 1 178 8.0 17.70 20.20 M3+M6 V R 174719.95+521812.4
17473+5218 CVR 863 2010 3 177 7.8 17.70 20.20 M3+M6 V R 174719.92+521820.3

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