20383-0106 BU 672 (71 Aql)
20h 38m 20.27s -01° 06' 18.3" P.A. 285.00 sep 35.8 mag 4.41,12.00 Sp G8III dist. 103.41 pc (337.32 l.y.)
| Coord 2000 |
20383-0106 |
|
Discov num |
BU 672 |
|
Comp |
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Coord arcsec 2000 |
20 38 20.27 -01 06 18.3 |
|
| Date first |
1878 |
|
Date last |
2013 |
|
Obs |
11 |
|
| Pa first |
281 |
|
Pa last |
285.3 |
|
P.A. Now (θ) |
285.3° |
|
| Sep first |
30.5 |
|
Sep last |
35.84 |
|
Sep. Now (ρ) |
35.84" |
|
| Mag pri |
4.41 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
7.59 |
|
Spectral class |
G8III (yellow) |
|
| Pri motion ra |
+019 |
|
Sec motion ra |
-015 |
|
| Pri motion dec |
-020 |
|
Sec motion dec |
+008 |
|
| Notes |
N
S
(See Notes, Parallax indidates non-physical) |
|
rPM=1.597
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
71 Aql |
|
Var name |
NSV13187 Aql |
|
Constellation |
Aquila |
|
SAO |
144649 |
|
| HIP |
101847 |
|
Tycho2 |
5177-01878-1 |
|
Gaia DR2 |
4226301630911097472 |
|
HD |
196574 |
|
| HR |
7884 |
|
GC |
28725 |
|
ADS |
14081 |
|
BD |
BD-01 4016 |
|
| Flamsteed |
71 Aquilae |
|
Flamsteed name |
71 Aql |
|
Distance |
103.41 |
|
Distance ly |
337.32 |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 20383-0106 |
| coord_arcsec_2000 | 203820.27-010618.3 |
| Period (P) | 205.2d | |
Periastron (T) | 23358d (1922.828y) | |
Semi-major axis (a) | 3.82m | ± 0.81 |
| Eccentricity (e) | 0 | |
Inclination (i) | 147.7° | ± 5.9 |
Longitude of periastron (ω) | 0° | |
| Node (Ω) | 314° | ± 1.3 |
Notes | n | |
Reference | Jnc2005 | |
| Equinox | | |
Last observation | 1992 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
179.3 |
0.003 |
| 2001-01-01 |
268.1 |
0.003 |
| 2002-01-01 |
338.7 |
0.004 |
| 2003-01-01 |
64.7 |
0.003 |
| 2004-01-01 |
139.9 |
0.004 |
| 2005-01-01 |
219.5 |
0.003 |
| 2006-01-01 |
301.6 |
0.004 |
| 2007-01-01 |
14.7 |
0.003 |
| 2008-01-01 |
102.3 |
0.004 |
| 2009-01-01 |
172.3 |
0.004 |
| 2010-01-01 |
260.8 |
0.003 |
| 2011-01-01 |
332.4 |
0.004 |
| 2012-01-01 |
56.6 |
0.003 |
| 2013-01-01 |
134.0 |
0.004 |
| 2014-01-01 |
211.3 |
0.003 |
| 2015-01-01 |
295.5 |
0.004 |
| 2016-01-01 |
7.1 |
0.003 |
| 2017-01-01 |
95.6 |
0.004 |
| 2018-01-01 |
165.6 |
0.004 |
| 2019-01-01 |
253.2 |
0.003 |
| 2020-01-01 |
326.4 |
0.004 |
| 2021-01-01 |
48.4 |
0.003 |
| 2022-01-01 |
128.1 |
0.004 |
| 2023-01-01 |
203.2 |
0.003 |
| 2024-01-01 |
289.3 |
0.004 |
| 2025-01-01 |
359.9 |
0.003 |
| 2026-01-01 |
88.7 |
0.003 |
| 2027-01-01 |
159.2 |
0.004 |
| 2028-01-01 |
245.4 |
0.003 |
| 2029-01-01 |
320.4 |
0.004 |
| 2030-01-01 |
40.2 |
0.003 |
|
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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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