08369+2315 AG 154 (HO Cnc)
08h 36m 55.78s +23° 14' 49.1" P.A. 1.00 sep 2.7 mag 9.62,9.76 Sp K5 dist. 44.05 pc (143.69 l.y.)
| Coord 2000 |
08369+2315 |
|
Discov num |
AG 154 |
|
Comp |
|
|
Coord arcsec 2000 |
08 36 55.78 +23 14 49.1 |
|
| Date first |
1901 |
|
Date last |
2019 |
|
Obs |
61 |
|
| Pa first |
5 |
|
Pa last |
1 |
|
P.A. Now (θ) |
1° |
|
| Sep first |
1.7 |
|
Sep last |
2.651 |
|
Sep. Now (ρ) |
2.651" |
|
| Mag pri |
9.62 |
|
Mag sec |
9.76 |
|
delta mag (ΔM) |
0.14 |
|
Spectral class |
K5 (yellow-orange) |
|
| Pri motion ra |
-109 |
|
Sec motion ra |
-109 |
|
| Pri motion dec |
-107 |
|
Sec motion dec |
-107 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Var name |
HO Cnc |
|
Constellation |
Cancer |
|
HIP |
42253 |
|
Tycho2 |
1942-02581-1 |
|
| Gaia DR2 |
666296212412465024 |
|
ADS |
6981 |
|
BD |
BD+23 1978 |
|
Distance |
44.05 |
|
| Distance ly |
143.69 |
|
ORBITAL ELEMENTS
| Period (P) | 728.9948y | ± 314.4979 |
Periastron (T) | 2106.7111y | ± 96.6135 |
Semi-major axis (a) | 3.65887a | ± 1.79757 |
| Eccentricity (e) | 0.58992 | ± 0.33931 |
Inclination (i) | 92.115° | ± 1.46 |
Longitude of periastron (ω) | 261.702° | ± 40.506 |
| Node (Ω) | 179.699° | ± 1.442 |
Notes | | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
1.6 |
2.641 |
| 2001 |
1.5 |
2.644 |
| 2002 |
1.5 |
2.646 |
| 2003 |
1.5 |
2.649 |
| 2004 |
1.5 |
2.651 |
| 2005 |
1.4 |
2.653 |
| 2006 |
1.4 |
2.655 |
| 2007 |
1.4 |
2.656 |
| 2008 |
1.3 |
2.658 |
| 2009 |
1.3 |
2.659 |
| 2010 |
1.3 |
2.659 |
| 2011 |
1.3 |
2.660 |
| 2012 |
1.2 |
2.660 |
| 2013 |
1.2 |
2.660 |
| 2014 |
1.2 |
2.660 |
| 2015 |
1.2 |
2.659 |
| 2016 |
1.1 |
2.658 |
| 2017 |
1.1 |
2.657 |
| 2018 |
1.1 |
2.656 |
| 2019 |
1.0 |
2.654 |
| 2020 |
1.0 |
2.652 |
| 2021 |
1.0 |
2.650 |
| 2022 |
1.0 |
2.647 |
| 2023 |
0.9 |
2.644 |
| 2024 |
0.9 |
2.640 |
| 2025 |
0.9 |
2.637 |
| 2026 |
0.8 |
2.633 |
| 2027 |
0.8 |
2.628 |
| 2028 |
0.8 |
2.623 |
| 2029 |
0.8 |
2.618 |
| 2030 |
0.7 |
2.613 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
