16274-3729 B 872 (V1055 Sco)
16h 27m 26.22s -37° 28' 37.0" P.A. 182.00 sep 0.2 mag 9.33,9.68 Sp G3V dist. 99.11 pc (323.3 l.y.)
| Coord 2000 |
16274-3729 |
|
Discov num |
B 872 |
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Comp |
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Coord arcsec 2000 |
16 27 26.22 -37 28 37.0 |
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| Date first |
1925 |
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Date last |
2021 |
|
Obs |
16 |
|
| Pa first |
310 |
|
Pa last |
182.2 |
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P.A. Now (θ) |
182.2° |
|
| Sep first |
0.5 |
|
Sep last |
0.201 |
|
Sep. Now (ρ) |
0.201" |
|
| Mag pri |
9.33 |
|
Mag sec |
9.68 |
|
delta mag (ΔM) |
0.35 |
|
Spectral class |
G3V (yellow) |
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| Pri motion ra |
-038 |
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Sec motion ra |
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| Pri motion dec |
-043 |
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Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V1055 Sco |
|
Constellation |
Scorpius |
|
SAO |
207677 |
|
HIP |
80603 |
|
| Tycho2 |
7356-00476-1 |
|
Gaia DR2 |
6018806403711991296 |
|
HD |
148121 |
|
CD |
CD-3710800 |
|
| CP |
CP-37 6670 |
|
Distance |
99.11 |
|
Distance ly |
323.3 |
|
ORBITAL ELEMENTS
| Period (P) | 179.4y | |
Periastron (T) | 1977.7y | |
Semi-major axis (a) | 0.398a | |
| Eccentricity (e) | 0.508 | |
Inclination (i) | 108.6° | |
Longitude of periastron (ω) | 146.3° | |
| Node (Ω) | 132.9° | |
Notes | n | |
Reference | Tok2020g | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
270.9 |
0.152 |
| 2001 |
267.0 |
0.146 |
| 2002 |
262.8 |
0.142 |
| 2003 |
258.3 |
0.138 |
| 2004 |
253.6 |
0.134 |
| 2005 |
248.6 |
0.132 |
| 2006 |
243.5 |
0.130 |
| 2007 |
238.3 |
0.129 |
| 2008 |
233.0 |
0.129 |
| 2009 |
227.7 |
0.129 |
| 2010 |
222.6 |
0.131 |
| 2011 |
217.6 |
0.134 |
| 2012 |
212.9 |
0.137 |
| 2013 |
208.4 |
0.142 |
| 2014 |
204.2 |
0.147 |
| 2015 |
200.3 |
0.152 |
| 2016 |
196.6 |
0.158 |
| 2017 |
193.3 |
0.165 |
| 2018 |
190.2 |
0.172 |
| 2019 |
187.3 |
0.179 |
| 2020 |
184.7 |
0.186 |
| 2021 |
182.3 |
0.194 |
| 2022 |
180.1 |
0.202 |
| 2023 |
178.0 |
0.210 |
| 2024 |
176.1 |
0.218 |
| 2025 |
174.3 |
0.226 |
| 2026 |
172.7 |
0.235 |
| 2027 |
171.2 |
0.243 |
| 2028 |
169.7 |
0.251 |
| 2029 |
168.4 |
0.260 |
| 2030 |
167.1 |
0.268 |
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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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