19293+2017 CIA 57 (HD 183537)
19h 29m 20.90s +20° 16' 47.1" P.A. 336.00 sep 0.0 mag 6.50,11.10 Sp B5V dist. 355.87 pc (1160.85 l.y.)
| Coord 2000 |
19293+2017 |
|
Discov num |
CIA 57 |
|
Comp |
|
|
Coord arcsec 2000 |
19 29 20.90 +20 16 47.1 |
|
| Date first |
2022 |
|
Date last |
2022 |
|
Obs |
7 |
|
| Pa first |
150 |
|
Pa last |
336 |
|
P.A. Now (θ) |
336° |
|
| Sep first |
0.0 |
|
Sep last |
0.002 |
|
Sep. Now (ρ) |
0.002" |
|
| Mag pri |
6.50 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
4.6 |
|
Spectral class |
B5V (blue-white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-016 |
|
Sec motion dec |
|
|
| Notes |
N
O
K
(See Notes, Orbital solution, 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
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 183537 |
|
Constellation |
Vulpecula |
|
SAO |
87269 |
|
HIP |
95818 |
|
| Tycho2 |
1609-01475-1 |
|
HD |
183537 |
|
HR |
7409 |
|
GC |
26921 |
|
| BD |
BD+19 4039 |
|
Distance |
355.87 |
|
Distance ly |
1160.85 |
|
ORBITAL ELEMENTS
| Period (P) | 69.5258d | ± 0.0051 |
Periastron (T) | 59847.6d (2022.733y) | ± 0.2 |
Semi-major axis (a) | 2.005m | ± 0.019 |
| Eccentricity (e) | 0 | |
Inclination (i) | 98.7° | ± 1.2 |
Longitude of periastron (ω) | 90° | |
| Node (Ω) | 151° | ± 0.6 |
Notes | n | |
Reference | CIA2024a | |
| Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
167.3 |
0.001 |
| 2001-01-01 |
146.3 |
0.002 |
| 2002-01-01 |
345.8 |
0.001 |
| 2003-01-01 |
325.8 |
0.002 |
| 2004-01-01 |
164.5 |
0.001 |
| 2005-01-01 |
145.3 |
0.002 |
| 2006-01-01 |
343.4 |
0.001 |
| 2007-01-01 |
324.8 |
0.002 |
| 2008-01-01 |
162.4 |
0.001 |
| 2009-01-01 |
144.2 |
0.002 |
| 2010-01-01 |
341.5 |
0.001 |
| 2011-01-01 |
323.6 |
0.002 |
| 2012-01-01 |
160.6 |
0.001 |
| 2013-01-01 |
143.0 |
0.001 |
| 2014-01-01 |
339.9 |
0.001 |
| 2015-01-01 |
322.3 |
0.001 |
| 2016-01-01 |
159.2 |
0.001 |
| 2017-01-01 |
141.5 |
0.001 |
| 2018-01-01 |
338.5 |
0.002 |
| 2019-01-01 |
320.7 |
0.001 |
| 2020-01-01 |
157.9 |
0.002 |
| 2021-01-01 |
139.8 |
0.001 |
| 2022-01-01 |
337.3 |
0.002 |
| 2023-01-01 |
318.8 |
0.001 |
| 2024-01-01 |
156.8 |
0.002 |
| 2025-01-01 |
137.7 |
0.001 |
| 2026-01-01 |
336.3 |
0.002 |
| 2027-01-01 |
316.5 |
0.001 |
| 2028-01-01 |
155.8 |
0.002 |
| 2029-01-01 |
135.0 |
0.001 |
| 2030-01-01 |
335.3 |
0.002 |
| 2031-01-01 |
313.4 |
0.001 |
| 2032-01-01 |
154.9 |
0.002 |
| 2033-01-01 |
131.4 |
0.001 |
| 2034-01-01 |
334.5 |
0.002 |
| 2035-01-01 |
309.1 |
0.001 |
| 2036-01-01 |
154.1 |
0.002 |
| 2037-01-01 |
126.4 |
0.001 |
| 2038-01-01 |
333.7 |
0.002 |
| 2039-01-01 |
303.0 |
0.001 |
| 2040-01-01 |
153.3 |
0.002 |
| 2041-01-01 |
118.7 |
0.001 |
| 2042-01-01 |
332.9 |
0.002 |
| 2043-01-01 |
293.2 |
0.000 |
| 2044-01-01 |
152.5 |
0.002 |
| 2045-01-01 |
106.2 |
0.000 |
| 2046-01-01 |
332.1 |
0.002 |
| 2047-01-01 |
276.9 |
0.000 |
| 2048-01-01 |
151.8 |
0.002 |
| 2049-01-01 |
85.0 |
0.000 |
| 2050-01-01 |
331.4 |
0.002 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
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