16348-0412 DSG 20 Aa,Ab
16h 34m 42.35s -04° 13' 44.3" P.A. 207.00 sep 0.0 mag 10.00,11.10 Sp G5Ve dist. 45.11 pc (147.15 l.y.)
Coord 2000 |
16348-0412 |
|
Discov num |
DSG 20 |
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Comp |
Aa,Ab |
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Coord arcsec 2000 |
16 34 42.35 -04 13 44.3 |
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Date first |
2015 |
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Date last |
2015 |
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Obs |
2 |
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Pa first |
206 |
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Pa last |
206.7 |
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P.A. Now (θ) |
206.7° |
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Sep first |
0.0 |
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Sep last |
0.017 |
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Sep. Now (ρ) |
0.017" |
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Mag pri |
10.00 |
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Mag sec |
11.10 |
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delta mag (ΔM) |
1.1 |
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Spectral class |
G5Ve (yellow) |
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Pri motion ra |
-134 |
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Sec motion ra |
|
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Pri motion dec |
-701 |
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Sec motion dec |
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Notes |
N
P
(See Notes, 100-year proper motion) |
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Nature of this double is uncertain.
16348-0412 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
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16 34 42 -04 13 44 |
DSG 20 Aa,Ab |
2015 |
2 |
207 |
0.0 |
10.00 |
11.10 |
1.10 |
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<=== |
Show |
|
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16 34 42 -04 13 44 |
GIC 144 AB |
2000 |
4 |
36 |
999.9 |
9.67 |
13.85 |
4.18 |
|
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Show |
|
|
16 34 42 -04 13 44 |
LMP 14 AC |
2000 |
3 |
321 |
93.2 |
9.67 |
13.06 |
3.39 |
|
|
Show |
|
|
16 35 29 -03 57 58 |
LMP 14 BD |
2000 |
4 |
340 |
46.2 |
13.85 |
14.83 |
0.98 |
|
|
Show |
|
|
16 35 29 -03 57 58 |
LMP 14 BE |
2000 |
4 |
215 |
21.1 |
13.85 |
15.72 |
1.87 |
|
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Sextuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Ophiuchus |
|
HIP |
81170 |
|
Tycho2 |
5056-00892-1 |
|
HD |
149414 |
|
GL |
Gl 629.2A |
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BD |
BD-03 3968 |
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Distance |
45.11 |
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Distance ly |
147.15 |
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SUSPECTED ORBITAL ELEMENTS
Identifier | 16348-0412 GIC 144 A |
coord_arcsec_2000 | 163442.35-041344.6 |
Period (P) | 133.281d | |
Periastron (T) | 49137.47d (1993.41y) | |
Semi-major axis (a) | 3.3m | ± 0.9 |
Eccentricity (e) | 0.275 | |
Inclination (i) | 147° | ± 48.7 |
Longitude of periastron (ω) | 291.8° | |
Node (Ω) | 226.9° | ± 16.3 |
Notes | n | |
Reference | Ren2013 | |
Equinox | 2000 | |
Last observation | | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
253.1 |
0.002 |
2001-01-01 |
40.3 |
0.003 |
2002-01-01 |
102.0 |
0.004 |
2003-01-01 |
170.7 |
0.003 |
2004-01-01 |
276.6 |
0.002 |
2005-01-01 |
51.0 |
0.003 |
2006-01-01 |
111.0 |
0.004 |
2007-01-01 |
182.5 |
0.003 |
2008-01-01 |
304.8 |
0.002 |
2009-01-01 |
60.6 |
0.004 |
2010-01-01 |
120.4 |
0.004 |
2011-01-01 |
194.8 |
0.003 |
2012-01-01 |
333.6 |
0.002 |
2013-01-01 |
69.6 |
0.004 |
2014-01-01 |
130.2 |
0.003 |
2015-01-01 |
207.8 |
0.003 |
2016-01-01 |
357.8 |
0.002 |
2017-01-01 |
78.2 |
0.004 |
2018-01-01 |
140.5 |
0.003 |
2019-01-01 |
222.1 |
0.003 |
2020-01-01 |
16.5 |
0.003 |
2021-01-01 |
86.7 |
0.004 |
2022-01-01 |
151.1 |
0.003 |
2023-01-01 |
238.5 |
0.003 |
2024-01-01 |
31.1 |
0.003 |
2025-01-01 |
95.4 |
0.004 |
2026-01-01 |
162.1 |
0.003 |
2027-01-01 |
258.4 |
0.002 |
2028-01-01 |
43.0 |
0.003 |
2029-01-01 |
104.2 |
0.004 |
2030-01-01 |
173.6 |
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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