04366+1946 STT 86 (HD 29193)
04h 36m 34.70s +19° 45' 35.5" P.A. 354.00 sep 0.5 mag 8.68,7.73 Sp A2 dist. 272.48 pc (888.83 l.y.)
Coord 2000 |
04366+1946 |
|
Discov num |
STT 86 |
|
Comp |
|
|
Coord arcsec 2000 |
04 36 34.70 +19 45 35.5 |
|
Date first |
1843 |
|
Date last |
2019 |
|
Obs |
127 |
|
Pa first |
67 |
|
Pa last |
353.7 |
|
P.A. Now (θ) |
353.7° |
|
Sep first |
0.6 |
|
Sep last |
0.474 |
|
Sep. Now (ρ) |
0.474" |
|
Mag pri |
8.68 |
|
Mag sec |
7.73 |
|
delta mag (ΔM) |
0.95 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
-008 |
|
Sec motion ra |
-008 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 29193 |
|
Constellation |
Taurus |
|
SAO |
94031 |
|
HIP |
21465 |
|
Tycho2 |
1274-00663-1 |
|
HD |
29193 |
|
ADS |
3329 |
|
BD |
BD+19 744 |
|
Distance |
272.48 |
|
Distance ly |
888.83 |
|
ORBITAL ELEMENTS
Period (P) | 828.23y | |
Periastron (T) | 2094.65y | |
Semi-major axis (a) | 0.612a | |
Eccentricity (e) | 0.228 | |
Inclination (i) | 146.3° | |
Longitude of periastron (ω) | 190.4° | |
Node (Ω) | 139.4° | |
Notes | | |
Reference | Zir2010 | |
Equinox | 2000 | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
6.2 |
0.472 |
2001 |
5.7 |
0.472 |
2002 |
5.1 |
0.472 |
2003 |
4.5 |
0.472 |
2004 |
3.9 |
0.472 |
2005 |
3.3 |
0.472 |
2006 |
2.7 |
0.472 |
2007 |
2.1 |
0.472 |
2008 |
1.5 |
0.472 |
2009 |
0.9 |
0.472 |
2010 |
0.3 |
0.472 |
2011 |
359.7 |
0.472 |
2012 |
359.1 |
0.472 |
2013 |
358.6 |
0.473 |
2014 |
358.0 |
0.473 |
2015 |
357.4 |
0.473 |
2016 |
356.8 |
0.473 |
2017 |
356.2 |
0.473 |
2018 |
355.6 |
0.473 |
2019 |
355.0 |
0.473 |
2020 |
354.4 |
0.473 |
2021 |
353.8 |
0.473 |
2022 |
353.3 |
0.473 |
2023 |
352.7 |
0.474 |
2024 |
352.1 |
0.474 |
2025 |
351.5 |
0.474 |
2026 |
350.9 |
0.474 |
2027 |
350.3 |
0.474 |
2028 |
349.7 |
0.474 |
2029 |
349.1 |
0.474 |
2030 |
348.6 |
0.474 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|