17038-3809 PBL 1 AB (V923 Sco)
17h 03m 50.94s -38° 09' 09.3" P.A. 117.00 sep 0.0 mag 5.60,5.70 Sp F3V dist. 64.68 pc (210.99 l.y.)
| Coord 2000 |
17038-3809 |
|
Discov num |
PBL 1 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 03 50.94 -38 09 09.3 |
|
| Date first |
2013 |
|
Date last |
2017 |
|
Obs |
9 |
|
| Pa first |
294 |
|
Pa last |
117.2 |
|
P.A. Now (θ) |
117.2° |
|
| Sep first |
0.0 |
|
Sep last |
0.003 |
|
Sep. Now (ρ) |
0.003" |
|
| Mag pri |
5.60 |
|
Mag sec |
5.70 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
F3V (yellow-white) |
|
| Pri motion ra |
+091 |
|
Sec motion ra |
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|
| Pri motion dec |
-035 |
|
Sec motion dec |
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|
| Notes |
N
W
K
(See Notes, , K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V923 Sco |
|
Constellation |
Scorpius |
|
SAO |
208355 |
|
HIP |
83491 |
|
| Tycho2 |
7869-00920-1 |
|
HD |
153890 |
|
HR |
6327 |
|
GC |
22991 |
|
| CD |
CD-3711201 |
|
Distance |
64.68 |
|
Distance ly |
210.99 |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 17038-3809 PBL 1 |
| coord_arcsec_2000 | 170350.94-380909.3 |
| Period (P) | 34.838646d | ± 0.000006 |
Periastron (T) | 54272d (2007.468y) | ± 0.07 |
Semi-major axis (a) | 4.59m | ± 0.05 |
| Eccentricity (e) | 0.439 | ± 0.014 |
Inclination (i) | 87.7° | ± 0.26 |
Longitude of periastron (ω) | 293.5° | ± 1.3 |
| Node (Ω) | 114.43° | ± 0.29 |
Notes | | |
Reference | Pbl2018 | |
| Equinox | 2000 | |
Last observation | 2017 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
293.0 |
0.005 |
| 2001-01-01 |
117.5 |
0.003 |
| 2002-01-01 |
292.7 |
0.005 |
| 2003-01-01 |
116.5 |
0.003 |
| 2004-01-01 |
292.3 |
0.005 |
| 2005-01-01 |
115.7 |
0.003 |
| 2006-01-01 |
291.8 |
0.004 |
| 2007-01-01 |
114.9 |
0.003 |
| 2008-01-01 |
291.2 |
0.004 |
| 2009-01-01 |
114.0 |
0.003 |
| 2010-01-01 |
290.5 |
0.003 |
| 2011-01-01 |
112.7 |
0.002 |
| 2012-01-01 |
289.6 |
0.003 |
| 2013-01-01 |
108.1 |
0.001 |
| 2014-01-01 |
288.3 |
0.002 |
| 2015-01-01 |
305.2 |
0.001 |
| 2016-01-01 |
286.1 |
0.002 |
| 2017-01-01 |
297.3 |
0.002 |
| 2018-01-01 |
281.8 |
0.001 |
| 2019-01-01 |
295.8 |
0.003 |
| 2020-01-01 |
268.7 |
0.001 |
| 2021-01-01 |
295.1 |
0.004 |
| 2022-01-01 |
184.0 |
|
| 2023-01-01 |
294.5 |
0.004 |
| 2024-01-01 |
132.9 |
0.001 |
| 2025-01-01 |
294.1 |
0.005 |
| 2026-01-01 |
124.1 |
0.001 |
| 2027-01-01 |
293.7 |
0.005 |
| 2028-01-01 |
120.6 |
0.002 |
| 2029-01-01 |
293.4 |
0.005 |
| 2030-01-01 |
118.7 |
0.002 |
|
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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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