19358+2316 A 163 (HD 344620)
19h 35m 45.49s +23° 16' 14.2" P.A. 20.00 sep 0.2 mag 10.02,9.95 Sp G5 dist. 173.91 pc (567.29 l.y.)
| Coord 2000 |
19358+2316 |
|
Discov num |
A 163 |
|
Comp |
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Coord arcsec 2000 |
19 35 45.49 +23 16 14.2 |
|
| Date first |
1900 |
|
Date last |
2013 |
|
Obs |
32 |
|
| Pa first |
233 |
|
Pa last |
20.1 |
|
P.A. Now (θ) |
20.1° |
|
| Sep first |
0.3 |
|
Sep last |
0.218 |
|
Sep. Now (ρ) |
0.218" |
|
| Mag pri |
10.02 |
|
Mag sec |
9.95 |
|
delta mag (ΔM) |
0.07 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
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| Pri motion dec |
+007 |
|
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 344620 |
|
Constellation |
Vulpecula |
|
SAO |
87413 |
|
HIP |
96380 |
|
| Tycho2 |
2138-00327-1 |
|
HD |
344620 |
|
ADS |
12648 |
|
BD |
BD+22 3738 |
|
| Distance |
173.91 |
|
Distance ly |
567.29 |
|
ORBITAL ELEMENTS
| Period (P) | 223.6y | |
Periastron (T) | 1977.39y | |
Semi-major axis (a) | 0.273a | |
| Eccentricity (e) | 0.284 | |
Inclination (i) | 124.9° | |
Longitude of periastron (ω) | 302.4° | |
| Node (Ω) | 35.6° | |
Notes | | |
Reference | Sca2019d | |
| Equinox | 2000 | |
Last observation | 2019 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
32.9 |
0.221 |
| 2001 |
31.6 |
0.223 |
| 2002 |
30.2 |
0.224 |
| 2003 |
28.9 |
0.225 |
| 2004 |
27.6 |
0.226 |
| 2005 |
26.3 |
0.226 |
| 2006 |
25.1 |
0.227 |
| 2007 |
23.8 |
0.227 |
| 2008 |
22.5 |
0.227 |
| 2009 |
21.2 |
0.227 |
| 2010 |
20.0 |
0.227 |
| 2011 |
18.7 |
0.227 |
| 2012 |
17.4 |
0.226 |
| 2013 |
16.1 |
0.226 |
| 2014 |
14.8 |
0.225 |
| 2015 |
13.5 |
0.224 |
| 2016 |
12.2 |
0.223 |
| 2017 |
10.9 |
0.222 |
| 2018 |
9.5 |
0.221 |
| 2019 |
8.2 |
0.220 |
| 2020 |
6.8 |
0.219 |
| 2021 |
5.4 |
0.218 |
| 2022 |
4.0 |
0.216 |
| 2023 |
2.6 |
0.215 |
| 2024 |
1.2 |
0.213 |
| 2025 |
359.7 |
0.212 |
| 2026 |
358.2 |
0.211 |
| 2027 |
356.7 |
0.209 |
| 2028 |
355.2 |
0.208 |
| 2029 |
353.7 |
0.206 |
| 2030 |
352.1 |
0.205 |
|
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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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