19027-0043 STF2434BC

 
 
19H 02M 46.15S -00 42' 41.9" P.A. 232.9 SEP 0.5 MAG 9.68,9.38 SP G5 DIST. 66.89 PC (218.2 L.Y.)
 
 
Coord 2000
19027-0043
Discov num
STF2434
Comp
BC
Coord arcsec 2000
19 02 46.15 -00 42 41.9
Date first
1831
Date last
2015
Obs
95
Pa first
81
Pa last
266
P.A. Now (θ)
232.9°
Sep first
1.9
Sep last
0.7
Sep. Now (ρ)
0.5"
Mag pri
9.68
Mag sec
9.38
delta mag (ΔM)
0.3
Spectral class
G5 (yellow)
Pri motion ra
+037
Sec motion ra
+037
Pri motion dec
-009
Sec motion dec
-009
Notes
O (Orbital solution)
This double is physical.
 
 
19027-0043 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 142955 19027-0043 STF2434 A,BC 1783 2016 122 89 27.7 8.44 8.93 0.49
Show 142957 19027-0043 STF2434 BC 1831 2015 95 233 0.5 9.68 9.38 0.30 Y <===
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aquila
SAO
142957
HIP
93519
Tycho2
5128-00267-1
HD
176983
ADS
11971
Distance
66.89
Distance ly
218.2
last precise pa
266.2
last precise sep
0.732
 
 
ORBITAL ELEMENTS
 
 
Period (P)402.7y Periastron (T)2007.6y Semi-major axis (a)1.195a
Eccentricity (e)0.562 Inclination (i)145.7° Longitude of periastron (ω)200.3°
Node (Ω)102.6° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1995
label rho theta
2000 0.545 289.3
2001 0.541 286.4
2002 0.536 283.4
2003 0.532 280.3
2004 0.528 277.2
2005 0.524 274.0
2006 0.520 270.8
2007 0.516 267.6
2008 0.512 264.3
2009 0.508 260.9
2010 0.505 257.5
2011 0.502 254.1
2012 0.500 250.6
2013 0.498 247.1
2014 0.497 243.6
2015 0.496 240.0
2016 0.496 236.5
2017 0.496 232.9
2018 0.497 229.4
2019 0.499 225.9
2020 0.502 222.4
2021 0.505 219.0
2022 0.510 215.6
2023 0.515 212.3
2024 0.521 209.0
2025 0.527 205.8
2026 0.535 202.7
2027 0.542 199.7
2028 0.551 196.8
2029 0.560 194.0
2030 0.570 191.2

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic