14247-1140 STF1837

 
 
14h 24m 40.84s -11 40' 10.9" P.A. 270.40 sep 1.2 mag 6.87,7.94 Sp F5III dist. 90.5 pc (295.21 l.y.)
 
 
Coord 2000
14247-1140
Discov num
STF1837
Comp
Coord arcsec 2000
14 24 40.84 -11 40 10.9
Date first
1829
Date last
2016
Obs
116
Pa first
327
Pa last
270
P.A. Now (θ)
270.4°
Sep first
1.4
Sep last
1.3
Sep. Now (ρ)
1.2"
Mag pri
6.87
Mag sec
7.94
delta mag (ΔM)
1.07
Spectral class
F5III (yellow-white)
Pri motion ra
-075
Sec motion ra
-075
Pri motion dec
-024
Sec motion dec
-024
Notes
O (Orbital solution)
Visually invisible, K-band or other infrared star This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
270
Precise sep
1.268
Constellation
Libra
SAO
158550
HIP
70452
Tycho2
5570-00834-1
Gaia DR2
49007291520
HD
126251
HR
5393
ADS
9254
BD
BD-11 3736
Distance
90.5
Distance ly
295.21
last precise pa
270
last precise sep
1.268
 
 
ORBITAL ELEMENTS
 
 
Period (P)1566.3173y± 651.7533 Periastron (T)2098.7673y± 219.0754 Semi-major axis (a)2.98177a± 1.62719
Eccentricity (e)0.80586± 0.1774 Inclination (i)111.978°± 13.091 Longitude of periastron (ω)248.865°± 28.778
Node (Ω)67.383°± 72.296 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation2014
label rho theta
2000 1.240 276.4
2001 1.238 276.2
2002 1.236 275.9
2003 1.234 275.6
2004 1.232 275.3
2005 1.231 275.0
2006 1.229 274.7
2007 1.227 274.4
2008 1.224 274.1
2009 1.222 273.8
2010 1.220 273.5
2011 1.218 273.1
2012 1.216 272.8
2013 1.213 272.5
2014 1.211 272.2
2015 1.208 271.9
2016 1.206 271.6
2017 1.203 271.3
2018 1.201 271.0
2019 1.198 270.7
2020 1.195 270.4
2021 1.192 270.0
2022 1.189 269.7
2023 1.186 269.4
2024 1.183 269.1
2025 1.180 268.7
2026 1.176 268.4
2027 1.173 268.1
2028 1.170 267.8
2029 1.166 267.4
2030 1.162 267.1

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






wds14247-1140b.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
14247-1140 STF1837 2006 113 274 1.1 6.87 7.94 F5III D 142440.84-114010.9
14247-1140 STF1837 2014 113 271 1.3 6.87 7.94 F5III 142440.84-114010.9
14247-1140 STF1837 2016 114 270 1.3 6.87 7.94 F5III O 142440.84-114010.9

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