15283+2920 CVR 166

 
 
15h 28m 15.72s +29 20' 19.0" P.A. 57 sep 13 mag 17.40,18.00 Sp M2+M3
 
 
Coord 2000
15283+2920
Discov num
CVR 166
Comp
Coord arcsec 2000
15 28 15.72 +29 20 19.0
Date first
2000
Date last
2015
Obs
4
Pa first
57
Pa last
57
P.A. Now (θ)
57°
Sep first
12.9
Sep last
13.0
Sep. Now (ρ)
13"
Mag pri
17.40
Mag sec
18.00
delta mag (ΔM)
0.6
Spectral class
M2+M3 (red/red)
Pri motion ra
-073
Sec motion ra
-069
Pri motion dec
-015
Sec motion dec
-014
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.055 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
57.3
Precise sep
13.017
Constellation
Corona Borealis
Gaia DR2
54088862336
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15283+2920 CVR 166 2003 1 57 13.0 17.40 18.00 M2+M3 V R 152815.72+292019.0
15283+2920 CVR 166 2010 3 56 13.0 17.40 18.00 M2+M3 V R 152815.72+292019.0
15283+2920 CVR 166 2015 4 57 13.0 17.40 18.00 M2+M3 V R 152815.72+292019.0

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