19310+3507 ES 2241BC

 
 
19H 31M 39.47S +35 09' 51.2" P.A. 22 SEP 2.8 MAG 10.80,12.00
 
 
Coord 2000
19310+3507
Discov num
ES 2241
Comp
BC
Coord arcsec 2000
19 31 39.47 +35 09 51.2
Date first
1926
Date last
2011
Obs
6
Pa first
31
Pa last
22
P.A. Now (θ)
22°
Sep first
3.1
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
10.80
Mag sec
12.00
delta mag (ΔM)
1.2
Spectral class
Pri motion ra
-000
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
N R (See Notes, Red magnitudes)
Nature of this double is uncertain.
 
 
19310+3507 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19310+3507 ES 2241 AB 1895 2011 13 297 28.4 10.20 10.80 0.60
Show 19310+3507 ES 2241 BC 1926 2011 6 22 2.8 10.80 12.00 1.20 <===
Show 19310+3507 ES 2241 BD 1926 2011 5 343 8.6 10.80 13.50 2.70
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
Tycho2
2663-00170-1
last precise pa
22.4
last precise sep
2.813