20335+4703 HJ 1541AC

 
 
20h 33m 30.77s +47 02' 58.0" P.A. 266 sep 6.3 mag 9.26,10.48 Sp B
 
 
Coord 2000
20335+4703
Discov num
HJ 1541
Comp
AC
Coord arcsec 2000
20 33 30.77 +47 02 58.0
Date first
1828
Date last
2015
Obs
20
Pa first
268
Pa last
266
P.A. Now (θ)
266°
Sep first
4.0
Sep last
6.3
Sep. Now (ρ)
6.3"
Mag pri
9.26
Mag sec
10.48
delta mag (ΔM)
1.22
Spectral class
B (blue-white)
Pri motion ra
-004
Sec motion ra
-001
Pri motion dec
-007
Sec motion dec
-007
Notes
rPM=0.372
Nature of this double is uncertain.
 
 
20335+4703 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20335+4703 A 738 AB 1904 2002 9 249 2.4 9.26 11.04 1.78
Show 20335+4703 HJ 1541 AC 1828 2015 20 266 6.3 9.26 10.48 1.22 <===
Show 20335+4703 SS 9 AD 1953 2015 4 198 18.0 9.26 15.80 6.54
Show 20335+4703 SS 9 AE 1953 2015 5 54 20.7 9.26 14.40 5.14
Show 20335+4703 SS 9 AF 1953 2015 5 117 26.0 9.26 13.10 3.84
Show 20335+4703 SS 9 AG 1953 2015 5 176 27.6 9.26 15.10 5.84
Show 20335+4703 SS 9 AH 1953 2015 5 15 29.2 9.26 14.00 4.74
Show 20335+4703 HJ 1541 BC 1904 2002 8 276 4.0 11.04 10.48 0.56
Octuple system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
265.8
Precise sep
6.342
Constellation
Cygnus
SAO
49799
Tycho2
3577-02725-1
Gaia DR2
12684243328
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20335+4703 HJ 1541 AC 2003 16 265 6.3 9.26 10.48 D 203330.77+470258.0
20335+4703 HJ 1541 AC 2015 20 266 6.3 9.26 10.48 B 203330.77+470258.0

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