19452+4755 RAP 13 AD

 
 
19h 45m 09.29s +47° 54' 58.8" P.A. 291.00 sep 7.3 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 2015 Obs 3
Pa first 289 Pa last 290.7 P.A. Now (θ) 290.7°
Sep first 7.2 Sep last 7.296 Sep. Now (ρ) 7.296"
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)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
 
 
19452+4755 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 45 09 +47 54 59 RAP 13 AB 2010 1 20 1.0 12.50
Show 19 45 09 +47 54 59 RAP 13 AC 2015 3 69 6.3 12.50 13.30 0.80
Show 19 45 09 +47 54 59 RAP 13 AD 2015 3 291 7.3 12.50 15.50 3.00 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2086646952383285888