19389+3514 HU  953

 
 
19h 38m 55.76s +35 14' 12.9" P.A. 56.5 sep 0.4 mag 8.80,9.20 Sp G0
 
 
Coord 2000
19389+3514
Discov num
HU  953
Comp
Coord arcsec 2000
19 38 55.76 +35 14 12.9
Date first
1904
Date last
2008
Obs
45
Pa first
177
Pa last
23
P.A. Now (θ)
56.5°
Sep first
0.9
Sep last
0.3
Sep. Now (ρ)
0.4"
Mag pri
8.80
Mag sec
9.20
delta mag (ΔM)
0.4
Spectral class
G0 (yellow)
Pri motion ra
+020
Sec motion ra
Pri motion dec
-061
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
23.3
Precise sep
0.25
Constellation
Cygnus
HD
185696
ADS
12746
last precise pa
23.3
last precise sep
0.25
 
 
ORBITAL ELEMENTS
 
 
Period (P)466.2y Periastron (T)2000.5y Semi-major axis (a)0.884a
Eccentricity (e)0.762 Inclination (i)37.9° Longitude of periastron (ω)273°
Node (Ω)50.2° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2017
label rho theta
2000 0.166 318.4
2001 0.167 329.6
2002 0.172 340.3
2003 0.180 350.3
2004 0.191 359.3
2005 0.204 7.3
2006 0.218 14.2
2007 0.233 20.3
2008 0.249 25.6
2009 0.265 30.3
2010 0.280 34.4
2011 0.296 38.1
2012 0.311 41.5
2013 0.326 44.5
2014 0.340 47.3
2015 0.355 49.9
2016 0.368 52.2
2017 0.382 54.4
2018 0.395 56.5
2019 0.408 58.4
2020 0.421 60.2
2021 0.433 61.9
2022 0.445 63.5
2023 0.457 65.0
2024 0.468 66.4
2025 0.479 67.8
2026 0.490 69.1
2027 0.501 70.4
2028 0.511 71.6
2029 0.521 72.7
2030 0.532 73.8

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

grafico orbita





wds19389%2B3514e.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
19389+3514 HU 953 1996 43 287 0.2 8.80 9.20 G0 O 193855.76+351412.9
19389+3514 HU 953 2007 44 20 0.2 8.80 9.20 G0 O 193855.76+351412.9
19389+3514 HU 953 2008 45 23 0.3 8.80 9.20 G0 O 193855.76+351412.9

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