13400+3759 HU 897 AB
13h 39m 59.07s +37° 58' 43.2" P.A. 58.00 sep 0.4 mag 10.49,10.37 Sp F8 dist. 201.21 pc (656.35 l.y.)
Coord 2000 |
13400+3759 |
|
Discov num |
HU 897 |
|
Comp |
AB |
|
Coord arcsec 2000 |
13 39 59.07 +37 58 43.2 |
|
Date first |
1905 |
|
Date last |
2016 |
|
Obs |
37 |
|
Pa first |
339 |
|
Pa last |
57.9 |
|
P.A. Now (θ) |
57.9° |
|
Sep first |
0.5 |
|
Sep last |
0.353 |
|
Sep. Now (ρ) |
0.353" |
|
Mag pri |
10.49 |
|
Mag sec |
10.37 |
|
delta mag (ΔM) |
0.12 |
|
Spectral class |
F8 (yellow-white) |
|
Pri motion ra |
-016 |
|
Sec motion ra |
-016 |
|
Pri motion dec |
+026 |
|
Sec motion dec |
+026 |
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
13400+3759 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
13 39 59 +37 58 43 |
HU 897 AB |
2016 |
37 |
58 |
0.4 |
10.49 |
10.37 |
0.12 |
Y |
<=== |
Show |
|
|
13 39 59 +37 58 43 |
KZA 76 AB,C |
2020 |
11 |
78 |
75.8 |
9.72 |
12.03 |
2.31 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Canes Venatici |
|
HIP |
66664 |
|
Tycho2 |
3026-01025-1 |
|
Gaia DR2 |
1472633647440860800 |
|
ADS |
8988 |
|
BD |
BD+38 2467 |
|
Distance |
201.21 |
|
Distance ly |
656.35 |
|
ORBITAL ELEMENTS
Period (P) | 531y | |
Periastron (T) | 2076.2y | |
Semi-major axis (a) | 0.476a | |
Eccentricity (e) | 0.36 | |
Inclination (i) | 33.9° | |
Longitude of periastron (ω) | 41.4° | |
Node (Ω) | 88° | |
Notes | n | |
Reference | Zir2015a | |
Equinox | 2000 | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
42.3 |
0.379 |
2001 |
43.1 |
0.378 |
2002 |
43.9 |
0.377 |
2003 |
44.8 |
0.376 |
2004 |
45.6 |
0.375 |
2005 |
46.5 |
0.374 |
2006 |
47.3 |
0.373 |
2007 |
48.2 |
0.372 |
2008 |
49.0 |
0.372 |
2009 |
49.9 |
0.371 |
2010 |
50.7 |
0.370 |
2011 |
51.6 |
0.369 |
2012 |
52.5 |
0.368 |
2013 |
53.4 |
0.367 |
2014 |
54.3 |
0.366 |
2015 |
55.2 |
0.365 |
2016 |
56.1 |
0.364 |
2017 |
57.0 |
0.363 |
2018 |
57.9 |
0.362 |
2019 |
58.8 |
0.361 |
2020 |
59.7 |
0.360 |
2021 |
60.6 |
0.359 |
2022 |
61.5 |
0.358 |
2023 |
62.5 |
0.357 |
2024 |
63.4 |
0.356 |
2025 |
64.3 |
0.355 |
2026 |
65.3 |
0.354 |
2027 |
66.3 |
0.353 |
2028 |
67.2 |
0.351 |
2029 |
68.2 |
0.350 |
2030 |
69.1 |
0.349 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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