15212+2745 LDS4544

 
 
15H 21M 13.53S +27 44' 53.1" P.A. 184 SEP 59.6 MAG 17.66,17.91 SP M2.9+M2.7
 
 
Coord 2000
15212+2745
Discov num
LDS4544
Comp
Coord arcsec 2000
15 21 13.53 +27 44 53.1
Date first
1960
Date last
2010
Obs
5
Pa first
185
Pa last
184
P.A. Now (θ)
184°
Sep first
59.0
Sep last
59.6
Sep. Now (ρ)
59.6"
Mag pri
17.66
Mag sec
17.91
delta mag (ΔM)
0.25
Spectral class
M2.9+M2.7 (red/red)
Pri motion ra
-140
Sec motion ra
-138
Pri motion dec
-121
Sec motion dec
-121
Notes
N V R (See Notes, Proper motion indicates physical, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Corona Borealis
last precise pa
184.4
last precise sep
59.61