08041+3302 STT 187 (HD 66299)
08h 04m 08.38s +33° 01' 50.8" P.A. 337.00 sep 0.4 mag 6.94,8.50 Sp A1.5V dist. 172.71 pc (563.38 l.y.)
Coord 2000 |
08041+3302 |
|
Discov num |
STT 187 |
|
Comp |
|
|
Coord arcsec 2000 |
08 04 08.38 +33 01 50.8 |
|
Date first |
1843 |
|
Date last |
2017 |
|
Obs |
119 |
|
Pa first |
307 |
|
Pa last |
336.6 |
|
P.A. Now (θ) |
333.6° |
|
Sep first |
0.4 |
|
Sep last |
0.436 |
|
Sep. Now (ρ) |
0.43" |
|
Mag pri |
6.94 |
|
Mag sec |
8.50 |
|
delta mag (ΔM) |
1.56 |
|
Spectral class |
A1.5V (white) |
|
Pri motion ra |
-013 |
|
Sec motion ra |
-013 |
|
Pri motion dec |
+007 |
|
Sec motion dec |
+007 |
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 66299 |
|
Constellation |
Gemini |
|
SAO |
60538 |
|
HIP |
39480 |
|
Tycho2 |
2472-01559-1 |
|
HD |
66299 |
|
GC |
10930 |
|
ADS |
6549 |
|
BD |
BD+33 1636 |
|
Distance |
172.71 |
|
Distance ly |
563.38 |
|
ORBITAL ELEMENTS
Period (P) | 254y | ± 15 |
Periastron (T) | 1934.2y | ± 1.2 |
Semi-major axis (a) | 0.3268a | ± 0.006 |
Eccentricity (e) | 0.695 | ± 0.016 |
Inclination (i) | 144.6° | ± 3.4 |
Longitude of periastron (ω) | 88.8° | ± 5.4 |
Node (Ω) | 225° | ± 6.5 |
Notes | n | |
Reference | Msn1999a | |
Equinox | 2000 | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
345.7 |
0.392 |
2001 |
345.1 |
0.394 |
2002 |
344.5 |
0.396 |
2003 |
343.9 |
0.398 |
2004 |
343.4 |
0.400 |
2005 |
342.8 |
0.402 |
2006 |
342.3 |
0.404 |
2007 |
341.7 |
0.406 |
2008 |
341.2 |
0.407 |
2009 |
340.7 |
0.409 |
2010 |
340.1 |
0.411 |
2011 |
339.6 |
0.413 |
2012 |
339.1 |
0.414 |
2013 |
338.6 |
0.416 |
2014 |
338.1 |
0.417 |
2015 |
337.6 |
0.419 |
2016 |
337.1 |
0.420 |
2017 |
336.6 |
0.422 |
2018 |
336.1 |
0.423 |
2019 |
335.6 |
0.425 |
2020 |
335.1 |
0.426 |
2021 |
334.6 |
0.427 |
2022 |
334.1 |
0.428 |
2023 |
333.6 |
0.430 |
2024 |
333.2 |
0.431 |
2025 |
332.7 |
0.432 |
2026 |
332.2 |
0.433 |
2027 |
331.7 |
0.434 |
2028 |
331.3 |
0.435 |
2029 |
330.8 |
0.436 |
2030 |
330.3 |
0.437 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|