19205-0525 ISO 10 Aa,Ab (26 Aql)
19h 20m 32.84s -05° 24' 57.1" P.A. 56.00 sep 0.5 mag 5.01, Sp G8III-IV dist. 47.28 pc (154.23 l.y.)
Coord 2000 |
19205-0525 |
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Discov num |
ISO 10 |
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Comp |
Aa,Ab |
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Coord arcsec 2000 |
19 20 32.84 -05 24 57.1 |
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Date first |
1987 |
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Date last |
1987 |
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Obs |
1 |
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Pa first |
56 |
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Pa last |
56 |
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P.A. Now (θ) |
56° |
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Sep first |
0.5 |
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Sep last |
0.48 |
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Sep. Now (ρ) |
0.48" |
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Mag pri |
5.01 |
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Mag sec |
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delta mag (ΔM) |
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Spectral class |
G8III-IV (yellow) |
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Pri motion ra |
+116 |
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Sec motion ra |
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Pri motion dec |
+048 |
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Sec motion dec |
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Notes |
N
X
O
(See Notes, Dubious double, Orbital solution) |
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This double is physical.
19205-0525 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
26 Aql |
143286 |
19 20 33 -05 24 57 |
ISO 10 Aa,Ab |
1987 |
1 |
56 |
0.5 |
5.01 |
|
|
Y |
<=== |
Show |
|
143286 |
19 20 33 -05 24 57 |
BUP 189 AB |
2015 |
8 |
6 |
112.1 |
5.01 |
12.69 |
7.68 |
|
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Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
26 Aql |
|
Constellation |
Aquila |
|
SAO |
143286 |
|
HIP |
95066 |
|
Tycho2 |
5138-02406-1 |
|
Gaia DR2 |
4211336453026352512 |
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HD |
181391 |
|
HR |
7333 |
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GC |
26669 |
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BD |
BD-05 4936 |
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Flamsteed |
26 Aquilae |
|
Flamsteed name |
26 Aql |
|
FK5 |
3544 |
|
Distance |
47.28 |
|
Distance ly |
154.23 |
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ORBITAL ELEMENTS
Period (P) | 266.5d | |
Periastron (T) | 33420.2d (1950.377y) | |
Semi-major axis (a) | 9.15m | ± 0.54 |
Eccentricity (e) | 0.83 | |
Inclination (i) | 75.2° | ± 8.6 |
Longitude of periastron (ω) | 152.7° | |
Node (Ω) | 129.7° | ± 6.7 |
Notes | n | |
Reference | Jnc2005 | |
Equinox | | |
Last observation | 1992 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
317.1 |
0.002 |
2001-01-01 |
119.7 |
0.013 |
2002-01-01 |
127.1 |
0.014 |
2003-01-01 |
105.3 |
0.005 |
2004-01-01 |
122.0 |
0.015 |
2005-01-01 |
130.4 |
0.010 |
2006-01-01 |
114.9 |
0.010 |
2007-01-01 |
124.1 |
0.015 |
2008-01-01 |
147.6 |
0.002 |
2009-01-01 |
118.8 |
0.013 |
2010-01-01 |
126.3 |
0.014 |
2011-01-01 |
95.5 |
0.003 |
2012-01-01 |
121.3 |
0.015 |
2013-01-01 |
129.1 |
0.011 |
2014-01-01 |
113.0 |
0.008 |
2015-01-01 |
123.4 |
0.015 |
2016-01-01 |
135.9 |
0.006 |
2017-01-01 |
117.7 |
0.012 |
2018-01-01 |
125.5 |
0.015 |
2019-01-01 |
58.4 |
0.001 |
2020-01-01 |
120.6 |
0.014 |
2021-01-01 |
128.0 |
0.013 |
2022-01-01 |
110.2 |
0.007 |
2023-01-01 |
122.8 |
0.015 |
2024-01-01 |
132.5 |
0.008 |
2025-01-01 |
116.5 |
0.011 |
2026-01-01 |
124.8 |
0.015 |
2027-01-01 |
322.9 |
0.002 |
2028-01-01 |
119.8 |
0.014 |
2029-01-01 |
127.1 |
0.013 |
2030-01-01 |
105.9 |
0.005 |
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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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