19579+4216 STT 392AB

 
 
19h 57m 56.12s +42 15' 38.9" P.A. 144 sep 0.14 mag 6.60,8.40 Sp A3V dist. 325.73 pc (1062.53 l.y.)
 
 
Coord 2000
19579+4216
Discov num
STT 392
Comp
AB
Coord arcsec 2000
19 57 56.12 +42 15 38.9
Date first
1843
Date last
1996
Obs
40
Pa first
324
Pa last
184
P.A. Now (θ)
144°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.14"
Mag pri
6.60
Mag sec
8.40
delta mag (ΔM)
1.8
Spectral class
A3V (white)
Pri motion ra
-009
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
19579+4216 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 49031 19579+4216 STT 392 AB 1843 1996 40 144 0.1 6.60 8.40 1.80 Y <===
Show 19579+4216 STF2607 AB,C 1828 2012 63 289 3.0 6.56 9.09 2.53
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
183.6
Precise sep
0.113
Cdsa2 id
STT 392 AB
Constellation
Cygnus
SAO
49031
HIP
98253
HD
189377
HR
7638
ADS
13186
Ra deg
19.965588888888888
De deg
42.26080555555556
Distance
325.73
Distance ly
1062.53
last precise pa
183.6
last precise sep
0.113
 
 
ORBITAL ELEMENTS
 
 
Period (P)270.3y Periastron (T)2027y Semi-major axis (a)0.26a
Eccentricity (e)0.523 Inclination (i)112.7° Longitude of periastron (ω)34.1°
Node (Ω)140.9° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation1997
label rho theta
2000 0.117 175.3
2001 0.119 173.2
2002 0.121 171.1
2003 0.123 169.2
2004 0.125 167.2
2005 0.127 165.4
2006 0.129 163.6
2007 0.130 161.8
2008 0.132 160.1
2009 0.133 158.4
2010 0.135 156.8
2011 0.136 155.1
2012 0.136 153.5
2013 0.137 151.9
2014 0.137 150.4
2015 0.137 148.8
2016 0.137 147.2
2017 0.136 145.6
2018 0.135 144.0
2019 0.133 142.4
2020 0.132 140.7
2021 0.129 138.9
2022 0.126 137.1
2023 0.123 135.2
2024 0.120 133.2
2025 0.115 131.1
2026 0.111 128.8
2027 0.106 126.3
2028 0.101 123.5
2029 0.096 120.4
2030 0.090 117.0

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

grafico orbita





wds19579%2B4216a.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
19579+4216 STT 392 AB 1996 41 184 0.1 6.60 8.40 A3V N 195756.12+421538.9

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