15210+2104 HU 146 (HD 136596)
15h 20m 59.63s +21° 04' 06.3" P.A. 123.00 sep 0.7 mag 9.53,9.70 Sp G0 dist. 194.55 pc (634.62 l.y.)
| Coord 2000 |
15210+2104 |
|
Discov num |
HU 146 |
|
Comp |
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Coord arcsec 2000 |
15 20 59.63 +21 04 06.3 |
|
| Date first |
1900 |
|
Date last |
2017 |
|
Obs |
63 |
|
| Pa first |
172 |
|
Pa last |
122.5 |
|
P.A. Now (θ) |
122.5° |
|
| Sep first |
0.3 |
|
Sep last |
0.678 |
|
Sep. Now (ρ) |
0.678" |
|
| Mag pri |
9.53 |
|
Mag sec |
9.70 |
|
delta mag (ΔM) |
0.17 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
-041 |
|
Sec motion ra |
-041 |
|
| Pri motion dec |
+094 |
|
Sec motion dec |
+094 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 136596 |
|
Constellation |
Serpens |
|
SAO |
83776 |
|
HIP |
75117 |
|
| Tycho2 |
1493-00448-1 |
|
Gaia DR2 |
1214118913059655040 |
|
HD |
136596 |
|
ADS |
9600 |
|
| BD |
BD+21 2759 |
|
Distance |
194.55 |
|
Distance ly |
634.62 |
|
ORBITAL ELEMENTS
| Period (P) | 627y | |
Periastron (T) | 2174.7y | |
Semi-major axis (a) | 0.839a | |
| Eccentricity (e) | 0.3 | |
Inclination (i) | 102.8° | |
Longitude of periastron (ω) | 84.1° | |
| Node (Ω) | 113.3° | |
Notes | | |
Reference | Zir2015a | |
| Equinox | 2000 | |
Last observation | 2010 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
126.4 |
0.671 |
| 2001 |
126.2 |
0.674 |
| 2002 |
126.0 |
0.678 |
| 2003 |
125.9 |
0.681 |
| 2004 |
125.7 |
0.684 |
| 2005 |
125.5 |
0.687 |
| 2006 |
125.3 |
0.690 |
| 2007 |
125.1 |
0.693 |
| 2008 |
125.0 |
0.696 |
| 2009 |
124.8 |
0.699 |
| 2010 |
124.6 |
0.702 |
| 2011 |
124.4 |
0.705 |
| 2012 |
124.3 |
0.708 |
| 2013 |
124.1 |
0.711 |
| 2014 |
123.9 |
0.714 |
| 2015 |
123.8 |
0.716 |
| 2016 |
123.6 |
0.719 |
| 2017 |
123.4 |
0.722 |
| 2018 |
123.3 |
0.724 |
| 2019 |
123.1 |
0.727 |
| 2020 |
122.9 |
0.729 |
| 2021 |
122.8 |
0.731 |
| 2022 |
122.6 |
0.734 |
| 2023 |
122.5 |
0.736 |
| 2024 |
122.3 |
0.738 |
| 2025 |
122.2 |
0.741 |
| 2026 |
122.0 |
0.743 |
| 2027 |
121.8 |
0.745 |
| 2028 |
121.7 |
0.747 |
| 2029 |
121.5 |
0.749 |
| 2030 |
121.4 |
0.751 |
|
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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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