01497-1414 HU  422

 
 
01H 49M 40.24S -14 13' 56.9" P.A. 21.4 SEP 0.32 MAG 9.18,9.01 SP F5V DIST. 100.3 PC (327.18 L.Y.)
 
 
Coord 2000
01497-1414
Discov num
HU  422
Comp
Coord arcsec 2000
01 49 40.24 -14 13 56.9
Date first
1901
Date last
2008
Obs
24
Pa first
26
Pa last
29
P.A. Now (θ)
21.4°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.32"
Mag pri
9.18
Mag sec
9.01
delta mag (ΔM)
0.17
Spectral class
F5V (yellow-white)
Pri motion ra
+083
Sec motion ra
Pri motion dec
-062
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cetus
SAO
148038
HIP
8504
Tycho2
5280-00903-1
HD
11182
ADS
1451
BD
BD-14 337
Distance
100.3
Distance ly
327.18
last precise pa
29.4
last precise sep
0.303
 
 
ORBITAL ELEMENTS
 
 
Period (P)116y Periastron (T)1949.8y Semi-major axis (a)0.264a
Eccentricity (e)0.478 Inclination (i)120.1° Longitude of periastron (ω)130.4°
Node (Ω) Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.257 40.3
2001 0.262 38.9
2002 0.267 37.5
2003 0.272 36.2
2004 0.277 35.0
2005 0.281 33.7
2006 0.286 32.6
2007 0.290 31.4
2008 0.294 30.3
2009 0.298 29.2
2010 0.302 28.1
2011 0.306 27.1
2012 0.310 26.1
2013 0.313 25.1
2014 0.316 24.2
2015 0.319 23.2
2016 0.322 22.3
2017 0.324 21.4
2018 0.326 20.5
2019 0.329 19.6
2020 0.330 18.7
2021 0.332 17.8
2022 0.333 17.0
2023 0.334 16.1
2024 0.335 15.3
2025 0.335 14.4
2026 0.335 13.6
2027 0.335 12.7
2028 0.335 11.9
2029 0.334 11.0
2030 0.333 10.2

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