15283+2920 CVR 166

 
 
15h 28m 15.72s +29 20' 19.0" P.A. 57 sep 12.9 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
2010
Obs
3
Pa first
57
Pa last
57
P.A. Now (θ)
57°
Sep first
12.9
Sep last
12.9
Sep. Now (ρ)
12.9"
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
57.4
Precise sep
12.94
Cdsa2 id
CVR 166
Constellation
Corona Borealis
Ra deg
15.471033333333333
De deg
29.33861111111111
last precise pa
57.4
last precise sep
12.94
 
 
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

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