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
 
 
Precise pa
22.4
Precise sep
2.813
Cdsa2 id
ES 2241 BC
Constellation
Cygnus
Ra deg
19.527630555555554
De deg
35.16422222222222
last precise pa
22.4
last precise sep
2.813
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19310+3507 ES 2241 BC 1973 3 22 2.4 12.60 12.90 193100.00+350700.0
19310+3507 ES 2241 BC 2011 4 22 2.8 12.40 12.70 193139.59+350952.3

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