19452+4755 RAP  13AD

 
 
19H 45M 09.29S +47 54' 58.8" P.A. 290 SEP 7 MAG 12.50,15.50 SP M
 
 
Coord 2000
19452+4755
Discov num
RAP  13
Comp
AD
Coord arcsec 2000
19 45 09.29 +47 54 58.8
Date first
1998
Date last
2010
Obs
2
Pa first
289
Pa last
290
P.A. Now (θ)
290°
Sep first
7.2
Sep last
7.0
Sep. Now (ρ)
7"
Mag pri
12.50
Mag sec
15.50
delta mag (ΔM)
3
Spectral class
M (red)
Pri motion ra
-032
Sec motion ra
Pri motion dec
-025
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
19452+4755 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19452+4755 RAP 13 AB 2010 2010 1 20 1.0 12.50
Show 19452+4755 RAP 13 AC 1998 2010 2 70 6.0 12.50 13.30 0.80
Show 19452+4755 RAP 13 AD 1998 2010 2 290 7.0 12.50 15.50 3.00 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
290
last precise sep
7