23005-2619 RST 1154 AB (HD 217379)
23h 00m 27.91s -26° 18' 43.3" P.A. 239.00 sep 2.4 mag 10.19,10.76 Sp K5(V) dist. 30.54 pc (99.62 l.y.)
Coord 2000 |
23005-2619 |
|
Discov num |
RST1154 |
|
Comp |
AB |
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Coord arcsec 2000 |
23 00 27.91 -26 18 43.3 |
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Date first |
1930 |
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Date last |
2018 |
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Obs |
21 |
|
Pa first |
203 |
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Pa last |
239.4 |
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P.A. Now (θ) |
239.4° |
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Sep first |
0.6 |
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Sep last |
2.354 |
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Sep. Now (ρ) |
2.354" |
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Mag pri |
10.19 |
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Mag sec |
10.76 |
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delta mag (ΔM) |
0.57 |
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Spectral class |
K5(V) (yellow-orange) |
|
Pri motion ra |
+113 |
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Sec motion ra |
+113 |
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Pri motion dec |
-169 |
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Sec motion dec |
-169 |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
23005-2619 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 217379 |
|
23 00 28 -26 18 43 |
RST 1154 AB |
2018 |
21 |
239 |
2.4 |
10.19 |
10.76 |
0.57 |
Y |
<=== |
Show |
|
191562 |
23 00 28 -26 18 43 |
SHY 364 AC |
2000 |
7 |
349 |
581.2 |
10.19 |
7.56 |
2.63 |
|
|
Show |
|
191562 |
23 00 19 -26 09 12 |
CVN 67 CD |
2007 |
1 |
108 |
5.4 |
5.94 |
16.70 |
10.76 |
|
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Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 217379 |
|
Constellation |
Piscis Austrinus |
|
HIP |
113597 |
|
Tycho2 |
6974-00854-1 |
|
Gaia DR2 |
2382705816958084224 |
|
HD |
217379 |
|
CD |
CD-2616420 |
|
CP |
CP-26 7439 |
|
Distance |
30.54 |
|
Distance ly |
99.62 |
|
ORBITAL ELEMENTS
Period (P) | 500y | |
Periastron (T) | 1843.2y | |
Semi-major axis (a) | 2.46a | |
Eccentricity (e) | 0.55 | |
Inclination (i) | 80.9° | |
Longitude of periastron (ω) | 150° | |
Node (Ω) | 250.1° | |
Notes | n | |
Reference | Tok2016c | |
Equinox | 2000 | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
237.3 |
2.006 |
2001 |
237.5 |
2.026 |
2002 |
237.6 |
2.045 |
2003 |
237.7 |
2.065 |
2004 |
237.9 |
2.084 |
2005 |
238.0 |
2.103 |
2006 |
238.1 |
2.122 |
2007 |
238.3 |
2.141 |
2008 |
238.4 |
2.159 |
2009 |
238.5 |
2.178 |
2010 |
238.6 |
2.197 |
2011 |
238.8 |
2.215 |
2012 |
238.9 |
2.233 |
2013 |
239.0 |
2.251 |
2014 |
239.1 |
2.270 |
2015 |
239.2 |
2.287 |
2016 |
239.3 |
2.305 |
2017 |
239.4 |
2.323 |
2018 |
239.5 |
2.341 |
2019 |
239.6 |
2.358 |
2020 |
239.7 |
2.376 |
2021 |
239.8 |
2.393 |
2022 |
239.9 |
2.410 |
2023 |
240.0 |
2.427 |
2024 |
240.1 |
2.444 |
2025 |
240.2 |
2.461 |
2026 |
240.3 |
2.478 |
2027 |
240.4 |
2.494 |
2028 |
240.5 |
2.511 |
2029 |
240.6 |
2.527 |
2030 |
240.7 |
2.543 |
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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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