23227-1502 HU 295 (97 Aqr)
23h 22m 39.10s -15° 02' 21.8" P.A. 42.00 sep 0.1 mag 5.59,6.72 Sp A5Vn dist. 65.36 pc (213.2 l.y.)
| Coord 2000 |
23227-1502 |
|
Discov num |
HU 295 |
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Comp |
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Coord arcsec 2000 |
23 22 39.10 -15 02 21.8 |
|
| Date first |
1900 |
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Date last |
2021 |
|
Obs |
106 |
|
| Pa first |
84 |
|
Pa last |
42.1 |
|
P.A. Now (θ) |
63.4° |
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| Sep first |
0.4 |
|
Sep last |
0.109 |
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Sep. Now (ρ) |
0.153" |
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| Mag pri |
5.59 |
|
Mag sec |
6.72 |
|
delta mag (ΔM) |
1.13 |
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Spectral class |
A5Vn (white) |
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| Pri motion ra |
+108 |
|
Sec motion ra |
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| Pri motion dec |
+011 |
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Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
97 Aqr |
|
Constellation |
Aquarius |
|
SAO |
165658 |
|
HIP |
115404 |
|
| Tycho2 |
6396-01219-1 |
|
Gaia DR2 |
2408350860523978368 |
|
HD |
220278 |
|
HR |
8890 |
|
| GC |
32531 |
|
ADS |
16708 |
|
BD |
BD-15 6406 |
|
Flamsteed |
97 Aquarii |
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| Flamsteed name |
97 Aqr |
|
Distance |
65.36 |
|
Distance ly |
213.2 |
|
ORBITAL ELEMENTS
| Period (P) | 64.33y | ± 0.31 |
Periastron (T) | 2006.96y | ± 0.45 |
Semi-major axis (a) | 0.406a | ± 0.002 |
| Eccentricity (e) | 0.148 | ± 0.003 |
Inclination (i) | 77.8° | ± 0.5 |
Longitude of periastron (ω) | 1.6° | ± 2.9 |
| Node (Ω) | 276.3° | ± 0.3 |
Notes | n | |
Reference | Tok2015c | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
262.3 |
0.242 |
| 2001 |
265.3 |
0.269 |
| 2002 |
267.7 |
0.292 |
| 2003 |
269.8 |
0.312 |
| 2004 |
271.7 |
0.328 |
| 2005 |
273.4 |
0.339 |
| 2006 |
275.1 |
0.345 |
| 2007 |
276.7 |
0.346 |
| 2008 |
278.3 |
0.342 |
| 2009 |
280.0 |
0.333 |
| 2010 |
281.8 |
0.319 |
| 2011 |
283.8 |
0.301 |
| 2012 |
286.1 |
0.279 |
| 2013 |
288.8 |
0.254 |
| 2014 |
292.2 |
0.225 |
| 2015 |
296.6 |
0.195 |
| 2016 |
302.6 |
0.164 |
| 2017 |
311.4 |
0.133 |
| 2018 |
325.1 |
0.106 |
| 2019 |
346.3 |
0.088 |
| 2020 |
13.2 |
0.084 |
| 2021 |
37.1 |
0.098 |
| 2022 |
53.2 |
0.123 |
| 2023 |
63.4 |
0.153 |
| 2024 |
70.2 |
0.185 |
| 2025 |
75.0 |
0.218 |
| 2026 |
78.5 |
0.249 |
| 2027 |
81.3 |
0.279 |
| 2028 |
83.5 |
0.308 |
| 2029 |
85.4 |
0.335 |
| 2030 |
87.0 |
0.359 |
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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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