19512-7248 TOK 697Aa,Ab

 
 
19h 51m 14.13s -72 47' 42.2" P.A. 39 mag 7.60,8.90 Sp F6V dist. 87.03 pc (283.89 l.y.)
 
 
Coord 2000
19512-7248
Discov num
TOK 697
Comp
Aa,Ab
Coord arcsec 2000
19 51 14.13 -72 47 42.2
Date first
2015
Date last
2017
Obs
5
Pa first
31
Pa last
39
P.A. Now (θ)
39°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
7.60
Mag sec
8.90
delta mag (ΔM)
1.3
Spectral class
F6V (yellow-white)
Pri motion ra
+020
Sec motion ra
Pri motion dec
-054
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
19512-7248 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19512-7248 TOK 697 Aa,Ab 2015 2017 5 39 0.0 7.60 8.90 1.30 Y <===
Show 19512-7248 HJ 5137 AB 1835 2000 8 207 26.4 7.35 11.40 4.05
Show 19512-7248 HJ 5137 AC 1835 2000 7 315 47.9 7.35 11.73 4.38
Show 19512-7248 SHY 760 AD 1991 2000 3 87 999.9 7.35 8.30 0.95
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
38.9
Precise sep
0.034
Cdsa2 id
TOK 697 Aa,Ab
Constellation
Pavo
HIP
97690
HD
186502
Ra deg
19.853925
De deg
-72.79505555555555
Distance
87.03
Distance ly
283.89
last precise pa
38.9
last precise sep
0.034
 
 
ORBITAL ELEMENTS
 
 
Period (P)1051d (2.88y)± 67 Periastron (T)48848d (1992.617y)± 363 Semi-major axis (a)8m± 1
Eccentricity (e)0.08± 0.17 Inclination (i)61°± 8 Longitude of periastron (ω)105°± 68
Node (Ω)44°± 96 Note Grade9(1=Definitive, 9=Indet.)
Equinox Last observation1991
label rho theta
2000-01-01 0.006 9.6
2001-01-01 0.004 95.0
2002-01-01 0.007 238.4
2003-01-01 0.007 20.9
2004-01-01 0.004 126.4
2005-01-01 0.007 248.0
2006-01-01 0.008 29.7
2007-01-01 0.004 161.7
2008-01-01 0.006 260.4
2009-01-01 0.008 37.3
2010-01-01 0.005 186.5
2011-01-01 0.005 277.6
2012-01-01 0.008 44.5
2013-01-01 0.006 201.9
2014-01-01 0.004 301.1
2015-01-01 0.008 52.0
2016-01-01 0.007 212.6
2017-01-01 0.004 327.9
2018-01-01 0.007 60.8
2019-01-01 0.008 221.1
2020-01-01 0.005 350.8
2021-01-01 0.006 72.7
2022-01-01 0.008 228.9
2023-01-01 0.006 7.4
2024-01-01 0.005 91.0
2025-01-01 0.007 237.0
2026-01-01 0.007 19.2
2027-01-01 0.004 120.5
2028-01-01 0.007 246.2
2029-01-01 0.008 28.4
2030-01-01 0.004 156.4

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

grafico orbita





wds19512-7248s.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
19512-7248 TOK 697 Aa,Ab 2015 4 65 0.0 7.60 8.90 F6V 195114.13-724742.2
19512-7248 TOK 697 Aa,Ab 2017 5 39 0.0 7.60 8.90 F6V N 195114.13-724742.2

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