22126-1802 HDS 3153 (HD 210707)
22h 12m 33.12s -18° 01' 37.8" P.A. 83.00 sep 0.1 mag 9.34,10.17 Sp F7V dist. 85.69 pc (279.52 l.y.)
| Coord 2000 |
22126-1802 |
|
Discov num |
HDS3153 |
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Comp |
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Coord arcsec 2000 |
22 12 33.12 -18 01 37.8 |
|
| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
10 |
|
| Pa first |
229 |
|
Pa last |
82.9 |
|
P.A. Now (θ) |
269.2° |
|
| Sep first |
0.2 |
|
Sep last |
0.083 |
|
Sep. Now (ρ) |
0.05" |
|
| Mag pri |
9.34 |
|
Mag sec |
10.17 |
|
delta mag (ΔM) |
0.83 |
|
Spectral class |
F7V (yellow-white) |
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| Pri motion ra |
-029 |
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Sec motion ra |
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| Pri motion dec |
+004 |
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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 210707 |
|
Constellation |
Aquarius |
|
HIP |
109634 |
|
Tycho2 |
6380-00455-1 |
|
| Gaia DR2 |
6825774163827904512 |
|
HD |
210707 |
|
BD |
BD-18 6084 |
|
Distance |
85.69 |
|
| Distance ly |
279.52 |
|
ORBITAL ELEMENTS
| Period (P) | 35.7y | |
Periastron (T) | 2022.09y | |
Semi-major axis (a) | 0.177a | |
| Eccentricity (e) | 0.78 | |
Inclination (i) | 124.2° | |
Longitude of periastron (ω) | 49.1° | |
| Node (Ω) | 57.2° | |
Notes | | |
Reference | Tok2019c | |
| Equinox | | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
211.6 |
0.256 |
| 2001 |
209.9 |
0.255 |
| 2002 |
208.2 |
0.254 |
| 2003 |
206.5 |
0.251 |
| 2004 |
204.7 |
0.247 |
| 2005 |
202.8 |
0.242 |
| 2006 |
200.9 |
0.236 |
| 2007 |
198.8 |
0.229 |
| 2008 |
196.6 |
0.221 |
| 2009 |
194.2 |
0.211 |
| 2010 |
191.6 |
0.201 |
| 2011 |
188.7 |
0.190 |
| 2012 |
185.4 |
0.179 |
| 2013 |
181.7 |
0.166 |
| 2014 |
177.3 |
0.152 |
| 2015 |
172.0 |
0.138 |
| 2016 |
165.5 |
0.123 |
| 2017 |
157.2 |
0.108 |
| 2018 |
146.2 |
0.094 |
| 2019 |
131.5 |
0.080 |
| 2020 |
111.3 |
0.069 |
| 2021 |
83.9 |
0.059 |
| 2022 |
33.9 |
0.034 |
| 2023 |
269.2 |
0.050 |
| 2024 |
247.1 |
0.098 |
| 2025 |
238.7 |
0.134 |
| 2026 |
233.6 |
0.162 |
| 2027 |
229.9 |
0.184 |
| 2028 |
226.9 |
0.201 |
| 2029 |
224.4 |
0.216 |
| 2030 |
222.1 |
0.228 |
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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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