02249+3039 HDS 314AB

 
 
02H 24M 51.14S +30 38' 48.2" P.A. 256.5 SEP 0.28 MAG 8.39,10.97 SP G0V DIST. 60.64 PC (197.81 L.Y.)
 
 
Coord 2000
02249+3039
Discov num
HDS 314
Comp
AB
Coord arcsec 2000
02 24 51.14 +30 38 48.2
Date first
1991
Date last
2013
Obs
15
Pa first
326
Pa last
264
P.A. Now (θ)
256.5°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.28"
Mag pri
8.39
Mag sec
10.97
delta mag (ΔM)
2.58
Spectral class
G0V (yellow)
Pri motion ra
-041
Sec motion ra
Pri motion dec
-181
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
02249+3039 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 55525 02249+3039 HDS 314 AB 1991 2013 15 256 0.3 8.39 10.97 2.58 Y <===
Show 55525 02249+3039 UC 733 AC 1997 2012 4 179 20.2 8.56 12.43 3.87
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Triangulum
SAO
55525
HIP
11253
Tycho2
2323-00227-1
HD
14874
BD
BD+29 406
Distance
60.64
Distance ly
197.81
last precise pa
264.1
last precise sep
0.344
 
 
ORBITAL ELEMENTS
 
 
Period (P)82.18y Periastron (T)2026.35y Semi-major axis (a)0.378a
Eccentricity (e)0.283 Inclination (i)109.7° Longitude of periastron (ω)278.8°
Node (Ω)87.6° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.348 284.1
2001 0.357 282.5
2002 0.364 280.9
2003 0.370 279.4
2004 0.375 277.9
2005 0.379 276.5
2006 0.381 275.1
2007 0.381 273.7
2008 0.380 272.3
2009 0.377 270.9
2010 0.372 269.5
2011 0.366 268.0
2012 0.357 266.4
2013 0.345 264.8
2014 0.332 263.0
2015 0.316 261.1
2016 0.298 259.0
2017 0.278 256.5
2018 0.255 253.7
2019 0.231 250.2
2020 0.204 246.0
2021 0.177 240.4
2022 0.150 232.7
2023 0.124 221.8
2024 0.103 205.8
2025 0.092 184.1
2026 0.095 160.4
2027 0.111 140.9
2028 0.134 127.1
2029 0.160 117.6
2030 0.187 110.9

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