13457+3017 CVR1540

 
 
13H 45M 40.24S +30 17' 07.0" P.A. 252 SEP 3.8 MAG 19.00,19.30 SP M4+M4
 
 
Coord 2000
13457+3017
Discov num
CVR1540
Comp
Coord arcsec 2000
13 45 40.24 +30 17 07.0
Date first
1998
Date last
2004
Obs
2
Pa first
250
Pa last
252
P.A. Now (θ)
252°
Sep first
3.7
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
19.00
Mag sec
19.30
delta mag (ΔM)
0.3
Spectral class
M4+M4 (red/red)
Pri motion ra
-025
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Canes Venatici
last precise pa
251.8
last precise sep
3.79