19143-0843 A    98AB

 
 
19h 14m 15.99s -08 43' 08.5" P.A. 130 sep 23.5 mag 6.65,11.00 Sp K0IV dist. 65.49 pc (213.63 l.y.)
 
 
Coord 2000
19143-0843
Discov num
A    98
Comp
AB
Coord arcsec 2000
19 14 15.99 -08 43 08.5
Date first
1900
Date last
2000
Obs
8
Pa first
128
Pa last
130
P.A. Now (θ)
130°
Sep first
28.8
Sep last
23.5
Sep. Now (ρ)
23.5"
Mag pri
6.65
Mag sec
11.00
delta mag (ΔM)
4.35
Spectral class
K0IV (yellow-orange)
Pri motion ra
+042
Sec motion ra
-009
Pri motion dec
-028
Sec motion dec
-001
Notes
N (See Notes)
rPM=1.143
This double is not physical.
 
 
19143-0843 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19143-0843 A 98 AB 1900 2000 8 130 23.5 6.65 11.00 4.35 Y <===
Show 19143-0843 A 98 A,BC 1900 2013 8 130 22.4 6.65 11.40 4.75
Show 19143-0843 A 98 BC 1900 1997 5 60 1.1 11.00 11.10 0.10
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
129.9
Precise sep
23.536
Constellation
Aquila
HIP
94521
HD
179799
ADS
12188
Distance
65.49
Distance ly
213.63
last precise pa
129.9
last precise sep
23.536
 
 
ORBITAL ELEMENTS
 
 
Period (P)703.6976d± 38.9773 Periastron (T)48684.4805d (1992.169y)± 34.6307 Semi-major axis (a)6.68m± 0.84
Eccentricity (e)0 Inclination (i)50.25°± 12.82 Longitude of periastron (ω)
Node (Ω)27.7°± 20.93 Note Grade9(1=Definitive, 9=Indet.)
Equinox Last observation1991
label rho theta
2000-01-01 0.006 43.1
2001-01-01 0.006 228.0
2002-01-01 0.006 53.4
2003-01-01 0.006 239.2
2004-01-01 0.005 65.6
2005-01-01 0.005 252.8
2006-01-01 0.005 80.8
2007-01-01 0.005 269.7
2008-01-01 0.004 99.4
2009-01-01 0.004 289.8
2010-01-01 0.004 120.4
2011-01-01 0.004 311.0
2012-01-01 0.004 141.1
2013-01-01 0.005 330.4
2014-01-01 0.005 158.8
2015-01-01 0.005 346.4
2016-01-01 0.006 173.1
2017-01-01 0.006 359.2
2018-01-01 0.006 184.8
2019-01-01 0.006 10.0
2020-01-01 0.006 194.8
2021-01-01 0.007 19.4
2022-01-01 0.007 203.8
2023-01-01 0.007 28.2
2024-01-01 0.007 212.6
2025-01-01 0.007 37.1
2026-01-01 0.006 221.8
2027-01-01 0.006 46.7
2028-01-01 0.006 231.9
2029-01-01 0.006 57.6
2030-01-01 0.005 243.8

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

grafico orbita





wds19143-0843r.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
19143-0843 A 98 AB 1937 3 128 26.0 6.50 11.00 K0IV 191415.99-084308.5
19143-0843 A 98 AB 2000 4 129 23.3 6.50 11.00 K0IV N 191415.99-084308.5

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