20229+4259 HO  128AB

 
 
20h 22m 55.49s +42 59' 00.4" P.A. 358 sep 1.4 mag 6.41,8.82 Sp G8III dist. 102.99 pc (335.95 l.y.)
 
 
Coord 2000
20229+4259
Discov num
HO  128
Comp
AB
Coord arcsec 2000
20 22 55.49 +42 59 00.4
Date first
1886
Date last
2015
Obs
36
Pa first
35
Pa last
358
P.A. Now (θ)
358°
Sep first
1.0
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
6.41
Mag sec
8.82
delta mag (ΔM)
2.41
Spectral class
G8III (yellow)
Pri motion ra
+055
Sec motion ra
+055
Pri motion dec
+039
Sec motion dec
+039
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20229+4259 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 49550 20229+4259 HO 128 AB 1886 2015 36 358 1.4 6.41 8.82 2.41 <===
Show 20229+4259 STTA207 AC 1876 2017 30 65 85.8 6.41 8.01 1.60
Show 20229+4259 STTA207 CD 1908 2015 5 162 56.1 8.01 14.43 6.42
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
357.6
Precise sep
1.352
Constellation
Cygnus
SAO
49550
HIP
100515
Tycho2
3160-01936-1
Gaia DR2
33279278720
HD
194220
HR
7802
BD
BD+42 3721
Distance
102.99
Distance ly
335.95
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20229+4259 HO 128 AB 2003 28 360 1.4 6.41 8.82 G8III N D 202255.49+425900.4
20229+4259 HO 128 AB 2006 29 359 1.4 6.41 8.82 G8III N D 202255.49+425900.4
20229+4259 HO 128 AB 2010 32 358 1.4 6.41 8.82 G8III N D 202255.49+425900.4
20229+4259 HO 128 AB 2013 33 359 1.3 6.41 8.82 G8III N D 202255.49+425900.4
20229+4259 HO 128 AB 2015 36 358 1.4 6.41 8.82 G8III N 202255.49+425900.4

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