19074+3230 KUI  90Ca,Cb

 
 
19h 07m 43.20s +32 32' 44.1" P.A. 265.6 sep 0.35 mag 10.80,11.40 Sp M3V
 
 
Coord 2000
19074+3230
Discov num
KUI  90
Comp
Ca,Cb
Coord arcsec 2000
19 07 43.20 +32 32 44.1
Date first
1936
Date last
2010
Obs
32
Pa first
80
Pa last
245
P.A. Now (θ)
265.6°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.35"
Mag pri
10.80
Mag sec
11.40
delta mag (ΔM)
0.6
Spectral class
M3V (red)
Pri motion ra
+122
Sec motion ra
Pri motion dec
+110
Sec motion dec
Notes
N O P (See Notes, Orbital solution, 100-year proper motion)
This double is physical.
 
 
19074+3230 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17 Lyr 67835 19074+3230 STF2461 AB 1828 2016 68 286 3.2 5.26 9.10 3.84
Show 19074+3230 STF2461 AC 1887 2014 23 54 291.9 5.26 10.80 5.54
Show 67835 19074+3230 STF2461 AD 1782 2014 31 292 137.8 5.26 8.99 3.73
Show 67835 19074+3230 STF2461 AE 1887 2014 23 119 140.1 5.26 10.90 5.64
Show 19074+3230 STF2461 AF 1887 2014 22 352 167.3 5.26 10.59 5.33
Show 19074+3230 STF2461 AI 1933 2014 5 41 38.6 5.26 13.50 8.24
Show 19074+3230 KUI 90 Ca,Cb 1936 2010 32 266 0.4 10.80 11.40 0.60 Y <===
Show 19074+3230 STF2461 CE 1887 2014 15 206 266.0 10.80 10.90 0.10
Show 19074+3230 STF2461 CG 1908 2014 7 185 181.9 10.80 12.90 2.10
Show 19074+3230 STF2461 CH 1908 2014 5 295 57.3 10.80 13.00 2.20
Show 19074+3230 STF2461 CR 1908 2014 5 225 114.9 10.80 14.60 3.80
Show 19074+3230 STF2461 EG 1908 2014 9 60 115.8 10.90 12.90 2.00
11-fold system
10 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
245.2
Precise sep
0.18
Constellation
Lyra
last precise pa
245.2
last precise sep
0.18
 
 
ORBITAL ELEMENTS
 
 
Period (P)2110d (5.78y)± 2.5 Periastron (T)50432.7m (1996.957y)± 1.3 Semi-major axis (a)0.2881a± 0.0005
Eccentricity (e)0.274± 0.002 Inclination (i)77.3°± 0.2 Longitude of periastron (ω)330.9°± 0.3
Node (Ω)85.1°± 0.1 Note Grade3(1=Definitive, 9=Indet.)
Equinox Last observation2000
label rho theta
2000-01-01 0.338 259.7
2001-01-01 0.316 268.9
2002-01-01 0.077 308.6
2003-01-01 0.215 85.2
2004-01-01 0.078 139.7
2005-01-01 0.225 249.1
2006-01-01 0.351 261.7
2007-01-01 0.280 271.6
2008-01-01 0.056 22.4
2009-01-01 0.211 90.5
2010-01-01 0.071 189.3
2011-01-01 0.267 253.1
2012-01-01 0.355 263.7
2013-01-01 0.233 275.3
2014-01-01 0.112 63.4
2015-01-01 0.183 96.7
2016-01-01 0.106 223.7
2017-01-01 0.301 256.1
2018-01-01 0.347 265.6
2019-01-01 0.174 281.3
2020-01-01 0.171 75.9
2021-01-01 0.142 106.0
2022-01-01 0.154 238.7
2023-01-01 0.328 258.6
2024-01-01 0.329 267.8
2025-01-01 0.108 294.3
2026-01-01 0.207 82.6
2027-01-01 0.096 123.9
2028-01-01 0.203 246.5
2029-01-01 0.346 260.7
2030-01-01 0.299 270.2

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

grafico orbita





wds19074%2B3230a.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
19074+3230 KUI 90 Ca,Cb 2001 24 288 0.1 10.80 11.40 NODP 190742.83+323239.7
19074+3230 KUI 90 Ca,Cb 2008 26 79 0.2 10.80 11.40 NODP 190742.83+323239.7
19074+3230 KUI 90 Ca,Cb 2009 31 109 0.1 10.80 11.40 M3V NO P 190743.20+323244.1
19074+3230 KUI 90 Ca,Cb 2010 32 245 0.2 10.80 11.40 M3V NO P 190743.20+323244.1

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