13311+6631 CVR 698

 
 
13h 31m 09.84s +66 31' 02.2" P.A. 249 sep 18.5 mag 16.50,17.30 Sp M3+M4
 
 
Coord 2000
13311+6631
Discov num
CVR 698
Comp
Coord arcsec 2000
13 31 09.84 +66 31 02.2
Date first
1999
Date last
2010
Obs
3
Pa first
249
Pa last
249
P.A. Now (θ)
249°
Sep first
18.5
Sep last
18.5
Sep. Now (ρ)
18.5"
Mag pri
16.50
Mag sec
17.30
delta mag (ΔM)
0.8
Spectral class
M3+M4 (red/red)
Pri motion ra
-050
Sec motion ra
-052
Pri motion dec
-018
Sec motion dec
-024
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.11 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
249
Precise sep
18.5
Constellation
Draco
last precise pa
249
last precise sep
18.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13311+6631 CVR 698 2000 1 249 18.4 16.50 17.30 M3+M4 V R 133106.97+663055.7
13311+6631 CVR 698 2010 3 249 18.5 16.50 17.30 M3+M4 V R 133109.84+663102.2

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