12444+2200 HDS 1783 (HD 110789)

 
 
12h 44m 22.61s +21° 59' 36.5" P.A. 112.00 sep 0.3 mag 7.76,10.96 Sp F6V dist. 62.7 pc (204.53 l.y.)
 
 
Coord 2000 12444+2200 Discov num HDS1783 Comp Coord arcsec 2000 12 44 22.61 +21 59 36.5
Date first 1991 Date last 2021 Obs 13
Pa first 214 Pa last 111.9 P.A. Now (θ) 111.9°
Sep first 0.2 Sep last 0.313 Sep. Now (ρ) 0.313"
Mag pri 7.76 Mag sec 10.96 delta mag (ΔM) 3.2 Spectral class F6V (yellow-white)
Pri motion ra -127 Sec motion ra
Pri motion dec -194 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 110789 Constellation Coma Berenices SAO 82466 HIP 62162
Tycho2 1448-01494-1 Gaia DR2 3955472984773776256 HD 110789 GC 17324
BD BD+22 2506 Distance 62.7 Distance ly 204.53
 
 
ORBITAL ELEMENTS
 
 
Period (P)187y± 20.4 Periastron (T)2014.49y± 0.04 Semi-major axis (a)0.677a± 0.047
Eccentricity (e)0.879± 0.009 Inclination (i)70.3°± 70.3 Longitude of periastron (ω)250.3°± 0.8
Node (Ω)105.3°± 0.5 Notes ReferenceTok2021f
Equinox Last observation2021 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 235.1 0.229
2001 237.9 0.227
2002 240.7 0.224
2003 243.6 0.221
2004 246.5 0.217
2005 249.6 0.214
2006 252.7 0.210
2007 256.0 0.205
2008 259.5 0.199
2009 263.2 0.192
2010 267.2 0.183
2011 271.8 0.169
2012 277.3 0.150
2013 285.1 0.120
2014 301.5 0.069
2015 44.9 0.033
2016 90.5 0.098
2017 99.6 0.156
2018 104.1 0.203
2019 106.9 0.242
2020 109.1 0.275
2021 110.8 0.304
2022 112.2 0.330
2023 113.4 0.353
2024 114.5 0.374
2025 115.4 0.394
2026 116.3 0.412
2027 117.1 0.428
2028 117.8 0.443
2029 118.5 0.458
2030 119.2 0.471


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



 
 


wds12444%2B2200b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic