01200-1549 HJ 2036

 
 
01H 19M 57.74S -15 48' 50.8" P.A. 337.7 SEP 2.37 MAG 7.40,7.61 SP G0IV DIST. 46.21 PC (150.74 L.Y.)
 
 
Coord 2000
01200-1549
Discov num
HJ 2036
Comp
Coord arcsec 2000
01 19 57.74 -15 48 50.8
Date first
1830
Date last
2016
Obs
115
Pa first
53
Pa last
338
P.A. Now (θ)
337.7°
Sep first
2.0
Sep last
2.4
Sep. Now (ρ)
2.37"
Mag pri
7.40
Mag sec
7.61
delta mag (ΔM)
0.21
Spectral class
G0IV (yellow)
Pri motion ra
+053
Sec motion ra
+053
Pri motion dec
-107
Sec motion dec
-107
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cetus
SAO
147741
HIP
6234
Tycho2
5851-01822-1
HD
8071
ADS
1087
BD
BD-16 223
Distance
46.21
Distance ly
150.74
last precise pa
338.1
last precise sep
2.398
 
 
ORBITAL ELEMENTS
 
 
Period (P)1443.343y± 37.617 Periastron (T)2674.911y± 18.428 Semi-major axis (a)3.4307a± 0.2653
Eccentricity (e)0.0922± 0.0244 Inclination (i)114.06°± 2.9 Longitude of periastron (ω)288.88°± 24.5
Node (Ω)124.78°± 1.6 Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1999
label rho theta
2000 2.237 341.5
2001 2.245 341.3
2002 2.253 341.1
2003 2.261 340.8
2004 2.269 340.6
2005 2.277 340.4
2006 2.285 340.1
2007 2.292 339.9
2008 2.300 339.7
2009 2.308 339.5
2010 2.316 339.2
2011 2.324 339.0
2012 2.332 338.8
2013 2.340 338.6
2014 2.348 338.4
2015 2.356 338.1
2016 2.363 337.9
2017 2.371 337.7
2018 2.379 337.5
2019 2.387 337.3
2020 2.395 337.1
2021 2.403 336.9
2022 2.411 336.7
2023 2.419 336.5
2024 2.426 336.3
2025 2.434 336.1
2026 2.442 335.9
2027 2.450 335.7
2028 2.458 335.5
2029 2.466 335.3
2030 2.473 335.1

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