15505+3644 CVR1647

 
 
15h 50m 29.81s +36 44' 16.9" P.A. 327 sep 4.3 mag 18.00,18.60 Sp M1+M1
 
 
Coord 2000
15505+3644
Discov num
CVR1647
Comp
Coord arcsec 2000
15 50 29.81 +36 44 16.9
Date first
1998
Date last
2015
Obs
3
Pa first
329
Pa last
327
P.A. Now (θ)
327°
Sep first
4.2
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
18.00
Mag sec
18.60
delta mag (ΔM)
0.6
Spectral class
M1+M1 (red/red)
Pri motion ra
-031
Sec motion ra
Pri motion dec
-126
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
326.6
Precise sep
4.262
Constellation
Corona Borealis
Gaia DR2
73238220032
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15505+3644 CVR1647 2003 2 326 4.3 18.00 18.60 M1+M1 R 155029.81+364416.9
15505+3644 CVR1647 2015 3 327 4.3 18.00 18.60 M1+M1 R 155029.81+364416.9

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