17054+6440 CVR1691

 
 
17h 05m 22.74s +64 39' 59.9" P.A. 217 sep 4.2 mag 16.20,16.50 Sp M2+M2
 
 
Coord 2000
17054+6440
Discov num
CVR1691
Comp
Coord arcsec 2000
17 05 22.74 +64 39 59.9
Date first
2000
Date last
2006
Obs
3
Pa first
217
Pa last
217
P.A. Now (θ)
217°
Sep first
4.2
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
16.20
Mag sec
16.50
delta mag (ΔM)
0.3
Spectral class
M2+M2 (red/red)
Pri motion ra
Sec motion ra
-014
Pri motion dec
Sec motion dec
+034
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
217.1
Precise sep
4.21
Cdsa2 id
CVR 1691
Constellation
Draco
Ra deg
17.08965
De deg
64.6666388888889
last precise pa
217.1
last precise sep
4.21
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17054+6440 CVR1691 2006 3 217 4.2 16.20 16.50 M2+M2 R 170522.74+643959.9

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