01094-5636 HU 1342

 
 
01H 09M 22.09S -56 35' 42.4" P.A. 321.7 SEP 0.34 MAG 7.78,8.25 SP F5IV/V DIST. 98.81 PC (322.32 L.Y.)
 
 
Coord 2000
01094-5636
Discov num
HU 1342
Comp
Coord arcsec 2000
01 09 22.09 -56 35 42.4
Date first
1913
Date last
2015
Obs
24
Pa first
348
Pa last
324
P.A. Now (θ)
321.7°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.34"
Mag pri
7.78
Mag sec
8.25
delta mag (ΔM)
0.47
Spectral class
F5IV/V (yellow-white)
Pri motion ra
+141
Sec motion ra
Pri motion dec
-020
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Phoenix
SAO
232315
HIP
5428
Tycho2
8476-01001-1
HD
6996
CP
CP-57 251
Distance
98.81
Distance ly
322.32
last precise pa
324.3
last precise sep
0.357
 
 
ORBITAL ELEMENTS
 
 
Period (P)79.1y Periastron (T)1967.7y Semi-major axis (a)0.26a
Eccentricity (e)0.457 Inclination (i)118.1° Longitude of periastron (ω)
Node (Ω)153.1° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
label rho theta
2000 0.365 337.9
2001 0.369 336.9
2002 0.372 336.0
2003 0.375 335.1
2004 0.377 334.1
2005 0.378 333.2
2006 0.378 332.3
2007 0.378 331.4
2008 0.377 330.5
2009 0.376 329.6
2010 0.374 328.7
2011 0.371 327.8
2012 0.367 326.8
2013 0.363 325.9
2014 0.358 324.9
2015 0.353 323.9
2016 0.346 322.8
2017 0.339 321.7
2018 0.332 320.6
2019 0.324 319.4
2020 0.315 318.1
2021 0.305 316.8
2022 0.295 315.3
2023 0.284 313.8
2024 0.273 312.1
2025 0.261 310.3
2026 0.248 308.3
2027 0.235 306.1
2028 0.221 303.6
2029 0.207 300.8
2030 0.193 297.6

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