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 2001 67 290 3.7 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
 
 
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 Grade4(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





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic