19512-7248 TOK 697Aa,Ab

 
 
19h 51m 14.13s -72 47' 42.2" P.A. 39 mag 7.60,8.90 Sp F6V
 
 
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 2015 9 208 25.9 7.35 11.40 4.05
Show 19512-7248 HJ 5137 AC 1835 2015 8 315 48.7 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
 
 
Tycho2
2212-00645-1
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

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