19563+3505 HJ 1455AD

 
 
19h 56m 18.40s +35 05' 00.6" P.A. 163 sep 47.5 mag 3.89,10.40 Sp K0III dist. 41.37 pc (134.95 l.y.)
 
 
Coord 2000
19563+3505
Discov num
HJ 1455
Comp
AD
Coord arcsec 2000
19 56 18.40 +35 05 00.6
Date first
1879
Date last
2016
Obs
12
Pa first
170
Pa last
163
P.A. Now (θ)
163°
Sep first
49.5
Sep last
47.5
Sep. Now (ρ)
47.5"
Mag pri
3.89
Mag sec
10.40
delta mag (ΔM)
6.51
Spectral class
K0III (yellow-orange)
Pri motion ra
-034
Sec motion ra
-004
Pri motion dec
-028
Sec motion dec
-008
Notes
N L (See Notes, Linear solution)
rPM=0.819
This double is not physical.
 
 
19563+3505 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Eta Cyg 69116 19563+3505 BU 980 AB 1879 2017 16 206 7.2 3.89 12.00 8.11
Show 19563+3505 HJ 1455 AC 1828 2016 14 333 45.9 3.89 10.50 6.61
Show 19563+3505 HJ 1455 AD 1879 2016 12 163 47.5 3.89 10.40 6.51 <===
Show 19563+3505 BU 980 AE 1898 2016 8 247 56.5 3.89 11.50 7.61
Show 19563+3505 BU 980 CE 2002 2015 6 206 70.3 12.50 12.90 0.40
Show 19563+3505 BU 980 CF 2002 2013 2 264 8.3 12.50 14.70 2.20
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
163
Precise sep
47.5
Constellation
Cygnus
SAO
69116
HIP
98110
Tycho2
2677-01816-1
Gaia DR2
63881617536
HD
188947
HR
7615
GC
27622
BD
BD+34 3798
Bayer
Eta Cygni
Bayer name
Eta Cyg
Flamsteed
21 Cygni
Flamsteed name
21 Cyg
Distance
41.37
Distance ly
134.95
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19563+3505 HJ 1455 AD 2007 9 163 48.4 3.89 10.40 K0III N D 195618.40+350500.6
19563+3505 HJ 1455 AD 2012 11 163 48.0 3.89 10.40 K0III NLD 195618.40+350500.6
19563+3505 HJ 1455 AD 2016 12 163 47.5 3.89 10.40 K0III NL 195618.40+350500.6

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