16311-2405 REP 41
16h 31m 04.37s -24° 04' 33.3" P.A. 122.00 sep 13.1 mag 12.35,14.30 Sp Ke
Coord 2000 |
16311-2405 |
|
Discov num |
REP 41 |
|
Comp |
|
|
Coord arcsec 2000 |
16 31 04.37 -24 04 33.3 |
|
Date first |
1989 |
|
Date last |
2015 |
|
Obs |
6 |
|
Pa first |
122 |
|
Pa last |
122.4 |
|
P.A. Now (θ) |
122.4° |
|
Sep first |
12.9 |
|
Sep last |
13.056 |
|
Sep. Now (ρ) |
13.056" |
|
Mag pri |
12.35 |
|
Mag sec |
14.30 |
|
delta mag (ΔM) |
1.95 |
|
Spectral class |
Ke (yellow-orange) |
|
Pri motion ra |
-008 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-018 |
|
Sec motion dec |
-029 |
|
Notes |
N
(See Notes) |
|
rPM=0.511
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Ophiuchus |
|
Gaia DR2 |
6050627747672189312 |
|
SUSPECTED ORBITAL ELEMENTS
Identifier | 16311-2405 |
coord_arcsec_2000 | 163104.36-240433.3 |
Period (P) | 592.19d | ± 0.09 |
Periastron (T) | 53656.22m (2005.783y) | ± 0.72 |
Semi-major axis (a) | 15.4m | ± 1.5 |
Eccentricity (e) | 0.617 | ± 0.006 |
Inclination (i) | 86.9° | ± 1.2 |
Longitude of periastron (ω) | 233.56° | ± 0.56 |
Node (Ω) | 263.5° | ± 7.1 |
Notes | n | |
Reference | LeB2014 | |
Equinox | | |
Last observation | 2013 | |
Grade | 8 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
266.7 |
0.017 |
2001-01-01 |
259.7 |
0.005 |
2002-01-01 |
273.3 |
0.007 |
2003-01-01 |
265.1 |
0.019 |
2004-01-01 |
79.0 |
0.007 |
2005-01-01 |
268.0 |
0.014 |
2006-01-01 |
263.3 |
0.014 |
2007-01-01 |
294.1 |
0.002 |
2008-01-01 |
266.0 |
0.018 |
2009-01-01 |
84.9 |
0.006 |
2010-01-01 |
270.0 |
0.010 |
2011-01-01 |
264.4 |
0.018 |
2012-01-01 |
68.9 |
0.003 |
2013-01-01 |
267.0 |
0.016 |
2014-01-01 |
261.3 |
0.008 |
2015-01-01 |
274.9 |
0.006 |
2016-01-01 |
265.3 |
0.019 |
2017-01-01 |
80.3 |
0.007 |
2018-01-01 |
268.3 |
0.013 |
2019-01-01 |
263.6 |
0.015 |
2020-01-01 |
318.5 |
0.001 |
2021-01-01 |
266.2 |
0.018 |
2022-01-01 |
88.4 |
0.003 |
2023-01-01 |
270.7 |
0.009 |
2024-01-01 |
264.6 |
0.018 |
2025-01-01 |
73.3 |
0.004 |
2026-01-01 |
267.2 |
0.016 |
2027-01-01 |
262.1 |
0.010 |
2028-01-01 |
277.2 |
0.005 |
2029-01-01 |
265.5 |
0.019 |
2030-01-01 |
81.4 |
0.008 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|