23078+3947 STF 2979 (HD 218453)
23h 07m 47.88s +39° 47' 46.8" P.A. 229.00 sep 2.8 mag 7.92,9.99 Sp F0IV dist. 112.36 pc (366.52 l.y.)
| Coord 2000 |
23078+3947 |
|
Discov num |
STF2979 |
|
Comp |
|
|
Coord arcsec 2000 |
23 07 47.88 +39 47 46.8 |
|
| Date first |
1828 |
|
Date last |
2022 |
|
Obs |
39 |
|
| Pa first |
221 |
|
Pa last |
228.9 |
|
P.A. Now (θ) |
228.9° |
|
| Sep first |
2.3 |
|
Sep last |
2.78 |
|
Sep. Now (ρ) |
2.78" |
|
| Mag pri |
7.92 |
|
Mag sec |
9.99 |
|
delta mag (ΔM) |
2.07 |
|
Spectral class |
F0IV (yellow-white) |
|
| Pri motion ra |
+043 |
|
Sec motion ra |
+043 |
|
| Pri motion dec |
+022 |
|
Sec motion dec |
+022 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 218453 |
|
Constellation |
Andromeda |
|
SAO |
73019 |
|
HIP |
114214 |
|
| Tycho2 |
3220-01130-1 |
|
Gaia DR2 |
1929944726984594944 |
|
HD |
218453 |
|
GC |
32218 |
|
| ADS |
16527 |
|
BD |
BD+39 5008 |
|
Distance |
112.36 |
|
Distance ly |
366.52 |
|
ORBITAL ELEMENTS
| Period (P) | 2470.5611y | ± 1086.6835 |
Periastron (T) | 2206.2238y | ± 535.5234 |
Semi-major axis (a) | 5.58854a | ± 2.94827 |
| Eccentricity (e) | 0.87206 | ± 0.11794 |
Inclination (i) | 77.441° | ± 6.457 |
Longitude of periastron (ω) | 270.253° | ± 12.266 |
| Node (Ω) | 64.682° | ± 35.861 |
Notes | | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
227.7 |
2.827 |
| 2001 |
227.7 |
2.824 |
| 2002 |
227.8 |
2.821 |
| 2003 |
227.8 |
2.819 |
| 2004 |
227.9 |
2.816 |
| 2005 |
228.0 |
2.813 |
| 2006 |
228.0 |
2.810 |
| 2007 |
228.1 |
2.807 |
| 2008 |
228.1 |
2.805 |
| 2009 |
228.2 |
2.802 |
| 2010 |
228.3 |
2.799 |
| 2011 |
228.3 |
2.796 |
| 2012 |
228.4 |
2.793 |
| 2013 |
228.5 |
2.790 |
| 2014 |
228.5 |
2.787 |
| 2015 |
228.6 |
2.784 |
| 2016 |
228.6 |
2.781 |
| 2017 |
228.7 |
2.777 |
| 2018 |
228.8 |
2.774 |
| 2019 |
228.8 |
2.771 |
| 2020 |
228.9 |
2.768 |
| 2021 |
229.0 |
2.765 |
| 2022 |
229.0 |
2.761 |
| 2023 |
229.1 |
2.758 |
| 2024 |
229.1 |
2.755 |
| 2025 |
229.2 |
2.751 |
| 2026 |
229.3 |
2.748 |
| 2027 |
229.3 |
2.744 |
| 2028 |
229.4 |
2.741 |
| 2029 |
229.5 |
2.737 |
| 2030 |
229.5 |
2.733 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 23078+3947 STF 2979 (HD 218453) : NOTES
No records found.
REFERENCES
| refcode |
metd |
author |
reference |
| Izm2019 |
orb u |
Izmailov, I.S. |
2019AstL...45...30I |
| Izm2019 |
|
Ast. Lett. 45, 30, 2019 |
|
| Izm2019 |
|
(Orbital elements from weighted solutions used when available (Table 2), |
|
| Izm2019 |
|
unweighted elements (Table 1) used for remaining 29 systems.) |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
STF |
Struve, F.G.W. |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 23078+3947 |
STF2979 |
|
1998 |
30 |
227 |
2.8 |
7.92 |
9.99 |
F0IV |
|
230747.88+394746.8 |
| 23078+3947 |
STF2979 |
|
2009 |
31 |
229 |
2.8 |
7.92 |
9.99 |
F0IV |
|
230747.88+394746.8 |
| 23078+3947 |
STF2979 |
|
2011 |
34 |
228 |
2.8 |
7.92 |
9.99 |
F0IV |
|
230747.88+394746.8 |
| 23078+3947 |
STF2979 |
|
2016 |
35 |
229 |
2.8 |
7.92 |
9.99 |
F0IV |
|
230747.88+394746.8 |
| 23078+3947 |
STF2979 |
|
2022 |
39 |
229 |
2.8 |
7.92 |
9.99 |
F0IV |
O |
230747.88+394746.8 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 23078+3947 STF 2979 (HD 218453) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 23078+3947 STF 2979 (HD 218453) : MEASURES
No records found.
WDS 23078+3947 (HD 218453) : VIRTUAL EYEPIECE
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WDS 23078+3947 (HD 218453) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
