11361+1251 STF 1554 (HD 100797)
11h 36m 06.78s +12° 51' 18.8" P.A. 215.00 sep 0.3 mag 9.44,9.63 Sp G0V+G0/1V dist. 97.56 pc (318.24 l.y.)
| Coord 2000 |
11361+1251 |
|
Discov num |
STF1554 |
|
Comp |
|
|
Coord arcsec 2000 |
11 36 06.78 +12 51 18.8 |
|
| Date first |
1829 |
|
Date last |
2016 |
|
Obs |
60 |
|
| Pa first |
255 |
|
Pa last |
214.7 |
|
P.A. Now (θ) |
214.7° |
|
| Sep first |
1.0 |
|
Sep last |
0.298 |
|
Sep. Now (ρ) |
0.298" |
|
| Mag pri |
9.44 |
|
Mag sec |
9.63 |
|
delta mag (ΔM) |
0.19 |
|
Spectral class |
G0V+G0/1V (yellow/yellow) |
|
| Pri motion ra |
-092 |
|
Sec motion ra |
|
|
| Pri motion dec |
+007 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 100797 |
|
Constellation |
Leo |
|
SAO |
99686 |
|
HIP |
56589 |
|
| Tycho2 |
0863-00536-1 |
|
HD |
100797 |
|
GC |
15902 |
|
ADS |
8230 |
|
| BD |
BD+13 2433 |
|
Distance |
97.56 |
|
Distance ly |
318.24 |
|
ORBITAL ELEMENTS
| Period (P) | 478.88y | ± 72.49 |
Periastron (T) | 1962.44y | ± 0.47 |
Semi-major axis (a) | 0.868a | ± 0.066 |
| Eccentricity (e) | 0.902 | ± 0.011 |
Inclination (i) | 74.8° | ± 0.8 |
Longitude of periastron (ω) | 308.6° | ± 1.9 |
| Node (Ω) | 84.6° | ± 0.9 |
Notes | | |
Reference | FMR2020a | |
| Equinox | 2000 | |
Last observation | 2010 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
202.1 |
0.210 |
| 2001 |
203.6 |
0.217 |
| 2002 |
204.9 |
0.223 |
| 2003 |
206.1 |
0.229 |
| 2004 |
207.3 |
0.235 |
| 2005 |
208.5 |
0.242 |
| 2006 |
209.5 |
0.248 |
| 2007 |
210.5 |
0.254 |
| 2008 |
211.5 |
0.261 |
| 2009 |
212.4 |
0.267 |
| 2010 |
213.3 |
0.274 |
| 2011 |
214.1 |
0.280 |
| 2012 |
214.9 |
0.287 |
| 2013 |
215.7 |
0.293 |
| 2014 |
216.4 |
0.299 |
| 2015 |
217.1 |
0.306 |
| 2016 |
217.8 |
0.312 |
| 2017 |
218.5 |
0.319 |
| 2018 |
219.1 |
0.325 |
| 2019 |
219.7 |
0.332 |
| 2020 |
220.2 |
0.338 |
| 2021 |
220.8 |
0.344 |
| 2022 |
221.3 |
0.351 |
| 2023 |
221.8 |
0.357 |
| 2024 |
222.3 |
0.363 |
| 2025 |
222.8 |
0.370 |
| 2026 |
223.3 |
0.376 |
| 2027 |
223.7 |
0.382 |
| 2028 |
224.1 |
0.389 |
| 2029 |
224.6 |
0.395 |
| 2030 |
225.0 |
0.401 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
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|
|
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Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 11361+1251 STF 1554 (HD 100797) : NOTES
No records found.
REFERENCES
| refcode |
metd |
author |
reference |
| FMR2020a |
orb u |
Rica Romero, F. & Zirm, H. |
2020JDSO...16...30R |
| FMR2020a |
|
JDSO 16, 30, 2020 |
|
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 |
| 11361+1251 |
STF1554 |
|
2004 |
54 |
203 |
0.2 |
9.44 |
9.63 |
G5 |
|
113606.78+125118.8 |
| 11361+1251 |
STF1554 |
|
2008 |
56 |
205 |
0.2 |
9.44 |
9.63 |
G5 |
O |
113606.78+125118.8 |
| 11361+1251 |
STF1554 |
|
2010 |
57 |
209 |
0.3 |
9.44 |
9.63 |
G5 |
O |
113606.78+125118.8 |
| 11361+1251 |
STF1554 |
|
2016 |
58 |
215 |
0.3 |
9.44 |
9.63 |
G0V+G0/1V |
O |
113606.78+125118.8 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 11361+1251 STF 1554 (HD 100797) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 11361+1251 STF 1554 (HD 100797) : MEASURES
No records found.
WDS 11361+1251 (HD 100797) : VIRTUAL EYEPIECE
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WDS 11361+1251 (HD 100797) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
