19106+5429 A  1391

 
 
19h 10m 36.61s +54 28' 35.1" P.A. 27.6 sep 0.24 mag 9.17,10.05 Sp F8 dist. 179.21 pc (584.58 l.y.)
 
 
Coord 2000
19106+5429
Discov num
A  1391
Comp
Coord arcsec 2000
19 10 36.61 +54 28 35.1
Date first
1906
Date last
2008
Obs
28
Pa first
60
Pa last
15
P.A. Now (θ)
27.6°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.24"
Mag pri
9.17
Mag sec
10.05
delta mag (ΔM)
0.88
Spectral class
F8 (yellow-white)
Pri motion ra
+017
Sec motion ra
Pri motion dec
-021
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
14.5
Precise sep
0.191
Constellation
Cygnus
HIP
94194
HD
234826
ADS
12144
Distance
179.21
Distance ly
584.58
last precise pa
14.5
last precise sep
0.191
 
 
ORBITAL ELEMENTS
 
 
Period (P)138.12y± 11 Periastron (T)1981.135y± 0.87 Semi-major axis (a)0.238a± 0.032
Eccentricity (e)0.401± 0.033 Inclination (i)44.9°± 3.8 Longitude of periastron (ω)177.4°± 4.4
Node (Ω)64.4°± 6.4 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2007
label rho theta
2000 0.147 337.6
2001 0.150 341.9
2002 0.155 346.0
2003 0.159 349.9
2004 0.164 353.6
2005 0.169 357.1
2006 0.174 0.3
2007 0.180 3.4
2008 0.185 6.2
2009 0.191 8.9
2010 0.197 11.5
2011 0.202 13.9
2012 0.208 16.2
2013 0.214 18.3
2014 0.219 20.4
2015 0.225 22.3
2016 0.230 24.2
2017 0.236 25.9
2018 0.241 27.6
2019 0.246 29.2
2020 0.251 30.8
2021 0.256 32.2
2022 0.261 33.7
2023 0.266 35.1
2024 0.271 36.4
2025 0.275 37.7
2026 0.279 38.9
2027 0.283 40.1
2028 0.287 41.3
2029 0.291 42.5
2030 0.295 43.6

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds19106%2B5429a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19106+5429 A 1391 1998 25 154 0.1 9.17 10.05 F8 NO 191036.61+542835.1
19106+5429 A 1391 2006 26 358 0.2 9.17 10.05 F8 NO 191036.61+542835.1
19106+5429 A 1391 2007 27 5 0.2 9.17 10.05 F8 NO 191036.61+542835.1
19106+5429 A 1391 2008 28 15 0.2 9.17 10.05 F8 NO 191036.61+542835.1

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