21197+4228 ES 1583BC

 
 
21h 19m 40.17s +42 28' 30.5" P.A. 77 sep 6 mag 11.30,11.90
 
 
Coord 2000
21197+4228
Discov num
ES 1583
Comp
BC
Coord arcsec 2000
21 19 40.17 +42 28 30.5
Date first
1895
Date last
2013
Obs
7
Pa first
76
Pa last
77
P.A. Now (θ)
77°
Sep first
6.4
Sep last
6.0
Sep. Now (ρ)
6"
Mag pri
11.30
Mag sec
11.90
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
+005
Sec motion ra
+011
Pri motion dec
-001
Sec motion dec
-003
Notes
U (Proper motion indicates non-physical)
rPM=0.555
This double is not physical.
 
 
21197+4228 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21197+4228 ES 1583 AB 1895 2013 8 238 13.0 11.14 11.32 0.18
Show 21197+4228 ES 1583 AC 1895 2013 6 223 7.6 11.14 11.99 0.85
Show 21197+4228 ABH 144 AD 1987 2002 3 112 64.4 11.14 11.49 0.35
Show 21197+4228 ABH 144 AE 1987 2002 3 219 27.2 11.10 14.30 3.20
Show 21197+4228 ABH 144 AF 1987 2002 3 245 62.8 11.14 14.84 3.70
Show 21197+4228 ABH 144 AG 1987 2002 3 238 82.8 11.14 15.32 4.18
Show 21197+4228 ABH 144 AH 1987 2002 3 22 41.8 11.14 15.09 3.95
Show 21197+4228 ABH 144 AI 1987 2002 3 117 69.2 11.10 15.50 4.40
Show 21197+4228 ABH 144 AJ 1987 2002 3 112 81.4 11.14 15.61 4.47
Show 21197+4228 ABH 144 AK 1987 2002 3 98 101.5 11.14 15.20 4.06
Show 21197+4228 ES 1583 BC 1895 2013 7 77 6.0 11.30 11.90 0.60 <===
11-fold system
11 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
77.3
Precise sep
6.03
Constellation
Cygnus
Tycho2
3177-01942-1
last precise pa
77.3
last precise sep
6.03
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21197+4228 ES 1583 BC 1998 5 77 6.0 11.20 11.80 D 211940.17+422830.5
21197+4228 ES 1583 BC 2002 6 77 6.0 11.30 11.90 UD 211940.17+422830.5
21197+4228 ES 1583 BC 2013 7 77 6.0 11.30 11.90 U 211940.17+422830.5

If you need more information about this double, apply for a data request form to the WDS.