20190+4938 ES 2693BC

 
 
20H 19M 01.10S +49 37' 25.3" P.A. 189 SEP 18.4 MAG 9.59,12.20 SP A2
 
 
Coord 2000
20190+4938
Discov num
ES 2693
Comp
BC
Coord arcsec 2000
20 19 01.10 +49 37 25.3
Date first
1911
Date last
2003
Obs
3
Pa first
186
Pa last
189
P.A. Now (θ)
189°
Sep first
17.4
Sep last
18.4
Sep. Now (ρ)
18.4"
Mag pri
9.59
Mag sec
12.20
delta mag (ΔM)
2.61
Spectral class
A2 (white)
Pri motion ra
+005
Sec motion ra
+007
Pri motion dec
+001
Sec motion dec
-010
Notes
rPM=0.916
This double is not physical.
 
 
20190+4938 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 49464 20190+4938 ES 2693 AB 1899 2004 11 110 30.6 8.76 9.59 0.83
Show 20190+4938 ES 2693 BC 1911 2003 3 189 18.4 9.59 12.20 2.61 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
Tycho2
3580-01461-1
last precise pa
188.8
last precise sep
18.443