17556+5458 CVR 866

 
 
17h 55m 35.58s +54 57' 40.7" P.A. 359 sep 11.7 mag 16.60,17.70 Sp M1+M3
 
 
Coord 2000
17556+5458
Discov num
CVR 866
Comp
Coord arcsec 2000
17 55 35.58 +54 57 40.7
Date first
1999
Date last
2010
Obs
3
Pa first
359
Pa last
359
P.A. Now (θ)
359°
Sep first
11.8
Sep last
11.7
Sep. Now (ρ)
11.7"
Mag pri
16.60
Mag sec
17.70
delta mag (ΔM)
1.1
Spectral class
M1+M3 (red/red)
Pri motion ra
-041
Sec motion ra
-042
Pri motion dec
+009
Sec motion dec
+015
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.136 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
359.1
Precise sep
11.65
Constellation
Draco
last precise pa
359.1
last precise sep
11.65
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17556+5458 CVR 866 2001 1 359 11.8 16.60 17.70 M1+M3 V R 175535.56+545752.5
17556+5458 CVR 866 2010 3 359 11.7 16.60 17.70 M1+M3 V R 175535.58+545740.7

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