22419+2126 STF 2934 (HD 215013)
22h 41m 51.68s +21° 25' 53.0" P.A. 55.00 sep 1.4 mag 8.64,9.55 Sp F7.7V+G3V dist. 88.11 pc (287.41 l.y.)
| Coord 2000 |
22419+2126 |
|
Discov num |
STF2934 |
|
Comp |
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Coord arcsec 2000 |
22 41 51.68 +21 25 53.0 |
|
| Date first |
1830 |
|
Date last |
2021 |
|
Obs |
233 |
|
| Pa first |
188 |
|
Pa last |
55 |
|
P.A. Now (θ) |
55° |
|
| Sep first |
1.2 |
|
Sep last |
1.405 |
|
Sep. Now (ρ) |
1.405" |
|
| Mag pri |
8.64 |
|
Mag sec |
9.55 |
|
delta mag (ΔM) |
0.91 |
|
Spectral class |
F7.7V+G3V (yellow-white/yellow) |
|
| Pri motion ra |
+064 |
|
Sec motion ra |
+064 |
|
| Pri motion dec |
-069 |
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Sec motion dec |
-069 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 215013 |
|
Constellation |
Pegasus |
|
SAO |
90719 |
|
HIP |
112063 |
|
| Tycho2 |
1709-00543-1 |
|
Gaia DR2 |
2834934983823457664 |
|
HD |
215013 |
|
GC |
31676 |
|
| ADS |
16185 |
|
BD |
BD+20 5208 |
|
Distance |
88.11 |
|
Distance ly |
287.41 |
|
ORBITAL ELEMENTS
| Period (P) | 1210.2004y | ± 712.0123 |
Periastron (T) | 1800.2793y | ± 24.4049 |
Semi-major axis (a) | 5.80451a | ± 3.00149 |
| Eccentricity (e) | 0.85683 | ± 0.10635 |
Inclination (i) | 98.325° | ± 4.413 |
Longitude of periastron (ω) | 119.298° | ± 25.938 |
| Node (Ω) | 5.502° | ± 6.702 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
60.2 |
1.274 |
| 2001 |
59.7 |
1.285 |
| 2002 |
59.2 |
1.295 |
| 2003 |
58.8 |
1.306 |
| 2004 |
58.4 |
1.317 |
| 2005 |
57.9 |
1.328 |
| 2006 |
57.5 |
1.339 |
| 2007 |
57.1 |
1.350 |
| 2008 |
56.7 |
1.361 |
| 2009 |
56.3 |
1.372 |
| 2010 |
55.9 |
1.383 |
| 2011 |
55.5 |
1.394 |
| 2012 |
55.1 |
1.405 |
| 2013 |
54.8 |
1.416 |
| 2014 |
54.4 |
1.427 |
| 2015 |
54.0 |
1.439 |
| 2016 |
53.7 |
1.450 |
| 2017 |
53.3 |
1.462 |
| 2018 |
53.0 |
1.473 |
| 2019 |
52.6 |
1.484 |
| 2020 |
52.3 |
1.496 |
| 2021 |
52.0 |
1.507 |
| 2022 |
51.6 |
1.519 |
| 2023 |
51.3 |
1.531 |
| 2024 |
51.0 |
1.542 |
| 2025 |
50.7 |
1.554 |
| 2026 |
50.4 |
1.565 |
| 2027 |
50.1 |
1.577 |
| 2028 |
49.8 |
1.589 |
| 2029 |
49.5 |
1.601 |
| 2030 |
49.2 |
1.612 |
| 2031 |
48.9 |
1.624 |
| 2032 |
48.6 |
1.636 |
| 2033 |
48.3 |
1.648 |
| 2034 |
48.1 |
1.660 |
| 2035 |
47.8 |
1.672 |
| 2036 |
47.5 |
1.683 |
| 2037 |
47.3 |
1.695 |
| 2038 |
47.0 |
1.707 |
| 2039 |
46.8 |
1.719 |
| 2040 |
46.5 |
1.731 |
| 2041 |
46.3 |
1.743 |
| 2042 |
46.0 |
1.755 |
| 2043 |
45.8 |
1.767 |
| 2044 |
45.5 |
1.779 |
| 2045 |
45.3 |
1.791 |
| 2046 |
45.1 |
1.803 |
| 2047 |
44.8 |
1.815 |
| 2048 |
44.6 |
1.827 |
| 2049 |
44.4 |
1.839 |
| 2050 |
44.2 |
1.852 |
|
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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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