01512+2439 HO  311

 
 
01h 51m 13.34s +24 39' 08.0" P.A. 359.60 sep 0.4 mag 8.22,7.82 Sp F1V dist. 131.06 pc (427.52 l.y.)
 
 
Coord 2000
01512+2439
Discov num
HO  311
Comp
Coord arcsec 2000
01 51 13.34 +24 39 08.0
Date first
1890
Date last
2018
Obs
105
Pa first
174
Pa last
178
P.A. Now (θ)
359.6°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.41"
Mag pri
8.22
Mag sec
7.82
delta mag (ΔM)
0.4
Spectral class
F1V (yellow-white)
Pri motion ra
-004
Sec motion ra
Pri motion dec
-026
Sec motion dec
Notes
N O (See Notes, Orbital solution)
Visually invisible, K-band or other infrared star This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
178.4
Precise sep
0.417
Constellation
Aries
SAO
74984
HIP
8622
Tycho2
1756-00668-1
HD
11284
ADS
1473
BD
BD+23 246
Distance
131.06
Distance ly
427.52
last precise pa
178.4
last precise sep
0.417
 
 
ORBITAL ELEMENTS
 
 
Period (P)119.3y± 6.2 Periastron (T)1982.72y± 0.4 Semi-major axis (a)0.298a± 0.0062
Eccentricity (e)0.888± 0.016 Inclination (i)52.8°± 1.7 Longitude of periastron (ω)142°± 3.9
Node (Ω)32.8°± 3.9 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.255 346.1
2001 0.265 347.2
2002 0.275 348.2
2003 0.285 349.2
2004 0.295 350.0
2005 0.304 350.9
2006 0.313 351.7
2007 0.322 352.4
2008 0.330 353.1
2009 0.338 353.8
2010 0.346 354.4
2011 0.354 355.0
2012 0.361 355.6
2013 0.369 356.2
2014 0.376 356.7
2015 0.382 357.2
2016 0.389 357.7
2017 0.395 358.2
2018 0.401 358.7
2019 0.407 359.1
2020 0.413 359.6
2021 0.419 360.0
2022 0.424 0.4
2023 0.429 0.8
2024 0.434 1.2
2025 0.439 1.6
2026 0.443 2.0
2027 0.448 2.4
2028 0.452 2.7
2029 0.456 3.1
2030 0.459 3.5

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
 
grafico orbita






wds01512%2B2439a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01512+2439 HO 311 2002 101 170 0.3 8.22 7.82 F1V NOD 015113.34+243908.0
01512+2439 HO 311 2008 102 174 0.3 8.22 7.82 F1V NOD 015113.34+243908.0
01512+2439 HO 311 2014 102 177 0.4 8.22 7.82 F1V NO 015113.34+243908.0
01512+2439 HO 311 2018 105 178 0.4 8.22 7.82 F1V NO 015113.34+243908.0

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