20223+4748 HJ 1511EF

 
 
20h 22m 21.42s +47 47' 10.2" P.A. 237.00 sep 11.6 mag 10.98,12.20
 
 
Coord 2000
20223+4748
Discov num
HJ 1511
Comp
EF
Coord arcsec 2000
20 22 21.42 +47 47 10.2
Date first
1828
Date last
2015
Obs
11
Pa first
239
Pa last
237
P.A. Now (θ)
237°
Sep first
10.0
Sep last
11.6
Sep. Now (ρ)
11.6"
Mag pri
10.98
Mag sec
12.20
delta mag (ΔM)
1.22
Spectral class
Pri motion ra
-002
Sec motion ra
-004
Pri motion dec
+001
Sec motion dec
-007
Notes
N (See Notes)
Visually invisible, K-band or other infrared star rPM=1.023
This double is not physical.
 
 
20223+4748 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 49538 20223+4748 HJ 1510 AB 1828 2018 22 149 4.6 9.50 9.84 0.34
Show 49538 20223+4748 ES 29 AC 1900 2015 8 326 6.7 9.50 13.90 4.40
Show 49538 20223+4748 ES 29 AD 1900 2018 13 319 31.3 9.50 11.43 1.93
Show 49538 20223+4748 ES 29 AE 1901 2018 11 122 55.9 9.50 10.97 1.47
Show 49538 20223+4748 HJ 1511 EF 1828 2015 11 237 11.6 10.98 12.20 1.22 <===
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
236.5
Precise sep
11.592
Constellation
Cygnus
SAO
49538
Tycho2
3576-01233-1
Gaia DR2
52536917504
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20223+4748 HJ 1511 EF 2003 3 237 11.7 10.98 11.70 202221.42+474710.2
20223+4748 HJ 1511 EF 2015 7 237 11.6 10.98 12.20 N 202221.42+474710.2

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