19512-7248 TOK 697 Aa,Ab
19h 51m 14.13s -72° 47' 42.2" P.A. 250.00 sep 0.0 mag 7.60,8.90 Sp F6V dist. 87.03 pc (283.89 l.y.)
Coord 2000 |
19512-7248 |
|
Discov num |
TOK 697 |
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Comp |
Aa,Ab |
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Coord arcsec 2000 |
19 51 14.13 -72 47 42.2 |
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Date first |
2015 |
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Date last |
2021 |
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Obs |
10 |
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Pa first |
31 |
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Pa last |
250.4 |
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P.A. Now (θ) |
250.4° |
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Sep first |
0.0 |
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Sep last |
0.025 |
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Sep. Now (ρ) |
0.025" |
|
Mag pri |
7.60 |
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Mag sec |
8.90 |
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delta mag (ΔM) |
1.3 |
|
Spectral class |
F6V (yellow-white) |
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Pri motion ra |
+020 |
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Sec motion ra |
|
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Pri motion dec |
-054 |
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Sec motion dec |
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Notes |
N
(See Notes) |
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Nature of this double is uncertain.
19512-7248 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
257743 |
19 51 14 -72 47 42 |
TOK 697 Aa,Ab |
2021 |
10 |
250 |
0.0 |
7.60 |
8.90 |
1.30 |
Y |
<=== |
Show |
HD 186502 |
257743 |
19 51 14 -72 47 42 |
HJ 5137 AB |
2020 |
10 |
208 |
25.7 |
7.35 |
11.40 |
4.05 |
|
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Show |
|
257743 |
19 51 14 -72 47 42 |
HJ 5137 AC |
2020 |
9 |
314 |
49.1 |
7.35 |
11.73 |
4.38 |
|
|
Show |
|
257743 |
19 51 14 -72 47 42 |
SHY 760 AD |
2000 |
3 |
87 |
999.9 |
7.35 |
8.30 |
0.95 |
|
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Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Pavo |
|
SAO |
257743 |
|
HIP |
97690 |
|
Tycho2 |
9314-01529-1 |
|
Gaia DR2 |
6416089779064964352 |
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HD |
186502 |
|
CP |
CP-73 2067 |
|
Distance |
87.03 |
|
Distance ly |
283.89 |
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SUSPECTED ORBITAL ELEMENTS
Identifier | 19512-7248 HJ 5137 A |
coord_arcsec_2000 | 195114.13-724742.2 |
Period (P) | 1051d (2.88y) | ± 67 |
Periastron (T) | 48848d (1992.617y) | ± 363 |
Semi-major axis (a) | 8m | ± 1 |
Eccentricity (e) | 0.08 | ± 0.17 |
Inclination (i) | 61° | ± 8 |
Longitude of periastron (ω) | 105° | ± 68 |
Node (Ω) | 44° | ± 96 |
Notes | | |
Reference | Gln2007 | |
Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
9.6 |
0.006 |
2001-01-01 |
95.0 |
0.004 |
2002-01-01 |
238.4 |
0.007 |
2003-01-01 |
20.9 |
0.007 |
2004-01-01 |
126.4 |
0.004 |
2005-01-01 |
248.0 |
0.007 |
2006-01-01 |
29.7 |
0.008 |
2007-01-01 |
161.7 |
0.004 |
2008-01-01 |
260.4 |
0.006 |
2009-01-01 |
37.3 |
0.008 |
2010-01-01 |
186.5 |
0.005 |
2011-01-01 |
277.6 |
0.005 |
2012-01-01 |
44.5 |
0.008 |
2013-01-01 |
201.9 |
0.006 |
2014-01-01 |
301.1 |
0.004 |
2015-01-01 |
52.0 |
0.008 |
2016-01-01 |
212.6 |
0.007 |
2017-01-01 |
327.9 |
0.004 |
2018-01-01 |
60.8 |
0.007 |
2019-01-01 |
221.1 |
0.008 |
2020-01-01 |
350.8 |
0.005 |
2021-01-01 |
72.7 |
0.006 |
2022-01-01 |
228.9 |
0.008 |
2023-01-01 |
7.4 |
0.006 |
2024-01-01 |
91.0 |
0.005 |
2025-01-01 |
237.0 |
0.007 |
2026-01-01 |
19.2 |
0.007 |
2027-01-01 |
120.5 |
0.004 |
2028-01-01 |
246.2 |
0.007 |
2029-01-01 |
28.4 |
0.008 |
2030-01-01 |
156.4 |
0.004 |
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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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