21117+2220 FYM 291BC

 
 
21H 11M 42.56S +22 19' 51.5" P.A. 336 SEP 15.7 MAG 13.30,14.60
 
 
Coord 2000
21117+2220
Discov num
FYM 291
Comp
BC
Coord arcsec 2000
21 11 42.56 +22 19 51.5
Date first
1998
Date last
2015
Obs
5
Pa first
335
Pa last
336
P.A. Now (θ)
336°
Sep first
15.7
Sep last
15.7
Sep. Now (ρ)
15.7"
Mag pri
13.30
Mag sec
14.60
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
-030
Sec motion ra
Pri motion dec
+021
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21117+2220 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21117+2220 BRT2492 AB 1892 2015 6 338 5.0 11.21 13.30 2.09
Show 21117+2220 FYM 291 BC 1998 2015 5 336 15.7 13.30 14.60 1.30 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Vulpecula
Tycho2
1661-01817-1
last precise pa
335.5
last precise sep
15.7