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
Cdsa2 id
A 98 AB
Constellation
Aquila
HIP
94521
HD
179799
ADS
12188
Ra deg
19.237775
De deg
-8.719027777777779
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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