04216+0658 A 1835 (HD 27597)
04h 21m 34.17s +06° 58' 27.5" P.A. 16.00 sep 0.2 mag 8.74,9.81 Sp A0 dist. 173.31 pc (565.34 l.y.)
| Coord 2000 |
04216+0658 |
|
Discov num |
A 1835 |
|
Comp |
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Coord arcsec 2000 |
04 21 34.17 +06 58 27.5 |
|
| Date first |
1908 |
|
Date last |
2018 |
|
Obs |
16 |
|
| Pa first |
46 |
|
Pa last |
15.6 |
|
P.A. Now (θ) |
15.6° |
|
| Sep first |
0.3 |
|
Sep last |
0.24 |
|
Sep. Now (ρ) |
0.24" |
|
| Mag pri |
8.74 |
|
Mag sec |
9.81 |
|
delta mag (ΔM) |
1.07 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
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| Pri motion dec |
-011 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 27597 |
|
Constellation |
Taurus |
|
SAO |
111769 |
|
HIP |
20356 |
|
| Tycho2 |
0081-00635-1 |
|
Gaia DR2 |
3286811379253103104 |
|
HD |
27597 |
|
ADS |
3151 |
|
| BD |
BD+06 667 |
|
Distance |
173.31 |
|
Distance ly |
565.34 |
|
ORBITAL ELEMENTS
| Period (P) | 128.76y | |
Periastron (T) | 1958.36y | |
Semi-major axis (a) | 0.22a | |
| Eccentricity (e) | 0.532 | |
Inclination (i) | 56.6° | |
Longitude of periastron (ω) | 121.7° | |
| Node (Ω) | 76.8° | |
Notes | | |
Reference | Zir2010 | |
| Equinox | 2000 | |
Last observation | 1996 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
359.8 |
0.171 |
| 2001 |
1.9 |
0.174 |
| 2002 |
3.9 |
0.177 |
| 2003 |
5.9 |
0.179 |
| 2004 |
7.9 |
0.182 |
| 2005 |
9.7 |
0.185 |
| 2006 |
11.5 |
0.188 |
| 2007 |
13.3 |
0.191 |
| 2008 |
15.0 |
0.194 |
| 2009 |
16.6 |
0.197 |
| 2010 |
18.2 |
0.200 |
| 2011 |
19.8 |
0.203 |
| 2012 |
21.3 |
0.206 |
| 2013 |
22.8 |
0.209 |
| 2014 |
24.2 |
0.212 |
| 2015 |
25.6 |
0.215 |
| 2016 |
26.9 |
0.218 |
| 2017 |
28.2 |
0.221 |
| 2018 |
29.5 |
0.224 |
| 2019 |
30.7 |
0.227 |
| 2020 |
31.9 |
0.230 |
| 2021 |
33.1 |
0.233 |
| 2022 |
34.3 |
0.235 |
| 2023 |
35.4 |
0.238 |
| 2024 |
36.5 |
0.240 |
| 2025 |
37.6 |
0.243 |
| 2026 |
38.6 |
0.245 |
| 2027 |
39.7 |
0.248 |
| 2028 |
40.7 |
0.250 |
| 2029 |
41.7 |
0.252 |
| 2030 |
42.7 |
0.254 |
|
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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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