20014+1045 STF2613AB

 
 
20h 01m 26.66s +10 44' 54.8" P.A. 352.1 sep 4.14 mag 7.48,8.02 Sp F5V+F5V dist. 80.58 pc (262.85 l.y.)
 
 
Coord 2000
20014+1045
Discov num
STF2613
Comp
AB
Coord arcsec 2000
20 01 26.66 +10 44 54.8
Date first
1828
Date last
2017
Obs
157
Pa first
348
Pa last
356
P.A. Now (θ)
352.1°
Sep first
5.4
Sep last
3.5
Sep. Now (ρ)
4.14"
Mag pri
7.48
Mag sec
8.02
delta mag (ΔM)
0.54
Spectral class
F5V+F5V (yellow-white/yellow-white)
Pri motion ra
+084
Sec motion ra
+084
Pri motion dec
+025
Sec motion dec
+025
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
20014+1045 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20014+1045 TOK 34 Aa,Ab 2005 2017 5 341 0.3 7.20 10.60 3.40
Show 20014+1045 STF2613 AB 1828 2017 157 352 4.1 7.48 8.02 0.54 Y <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
355.7
Precise sep
3.522
Constellation
Aquila
HIP
98578
HD
189783
ADS
13256
Distance
80.58
Distance ly
262.85
last precise pa
355.7
last precise sep
3.522
 
 
ORBITAL ELEMENTS
 
 
Period (P)2356y Periastron (T)888y Semi-major axis (a)3.822a
Eccentricity (e)0.67 Inclination (i)81.5° Longitude of periastron (ω)52.2°
Node (Ω)162° Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation
label rho theta
2000 4.197 351.8
2001 4.194 351.8
2002 4.190 351.9
2003 4.187 351.9
2004 4.184 351.9
2005 4.181 351.9
2006 4.178 351.9
2007 4.175 351.9
2008 4.172 351.9
2009 4.169 351.9
2010 4.166 352.0
2011 4.163 352.0
2012 4.160 352.0
2013 4.156 352.0
2014 4.153 352.0
2015 4.150 352.0
2016 4.147 352.0
2017 4.144 352.1
2018 4.141 352.1
2019 4.138 352.1
2020 4.134 352.1
2021 4.131 352.1
2022 4.128 352.1
2023 4.125 352.1
2024 4.122 352.2
2025 4.119 352.2
2026 4.115 352.2
2027 4.112 352.2
2028 4.109 352.2
2029 4.106 352.2
2030 4.102 352.2

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

grafico orbita





wds20014%2B1045a.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
20014+1045 STF2613 AB 2007 138 354 3.6 7.48 8.02 F5V+F5V NOD 200126.66+104454.8
20014+1045 STF2613 AB 2009 140 354 3.5 7.48 8.02 F5V+F5V NOD 200126.66+104454.8
20014+1045 STF2613 AB 2010 146 354 3.5 7.48 8.02 F5V+F5V NOD 200126.66+104454.8
20014+1045 STF2613 AB 2011 147 355 3.5 7.48 8.02 F5V F5V NOD 200126.66+104454.8
20014+1045 STF2613 AB 2012 147 354 3.6 7.48 8.02 F5V+F5V NOD 200126.66+104454.8
20014+1045 STF2613 AB 2013 148 354 3.5 7.48 8.02 F5V+F5V NOD 200126.66+104454.8
20014+1045 STF2613 AB 2015 150 355 3.6 7.48 8.02 F5V+F5V NO 200126.66+104454.8
20014+1045 STF2613 AB 2016 152 355 3.6 7.48 8.02 F5V+F5V NO 200126.66+104454.8
20014+1045 STF2613 AB 2017 157 356 3.5 7.48 8.02 F5V+F5V NO 200126.66+104454.8

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