Update on WASP-19
Abstract
:1. Introduction
2. Observation and Data Reduction
2.1. TESS Photometry
2.2. LCOGT Photometry
3. Theory and Numerical Methods
3.1. Estimation of Transit Center Times
3.2. Estimation of Orbital Period Change
3.3. Estimation of Tidal Quality Factor
3.4. Phase Curve Analysis
4. Results
5. Discussion and Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
Abbreviations
CTIO | Cerro Tololo Inter-American Observatory |
GP | Gaussian Process |
LCOGT | Las Cumbres Observatory Global Telescope |
MCMC | Markov chain Monte Carlo |
PDC | Presearch Data Conditioning |
ptp | point-to-point |
PyTTV | Python Tool for Transit Variation |
SAAO | South African Astronomical Observatory |
SPOC | Science Processing Operations Center |
TESS | Transiting Exoplanet Survey Satellite |
USP | ultra-short period |
Appendix A
Epoch | [] | [] | Reference |
---|---|---|---|
−3477 | 2,454,775.33800 | 0.00020 | [28] |
−3424 | 2,454,817.14637 | 0.00021 | [28] |
−2978 | 2,455,168.96900 | 0.00060 | [28] |
−2873 | 2,455,251.79707 | 0.00014 | [28] |
−2872 | 2,455,252.58590 | 0.00010 | [28] |
−2868 | 2,455,255.74124 | 0.00012 | [28] |
−2863 | 2,455,259.68459 | 0.00036 | [27] |
−2845 | 2,455,273.88253 | 0.00072 | [27] |
−2768 | 2,455,334.62540 | 0.00021 | [28] |
−2763 | 2,455,338.56926 | 0.00023 | [28] |
−2744 | 2,455,353.55659 | 0.00024 | [28] |
−2725 | 2,455,368.54285 | 0.00212 | [28] |
−2508 | 2,455,539.72330 | 0.00030 | [28] |
−2470 | 2,455,569.69830 | 0.00036 | [28] |
−2456 | 2,455,580.74155 | 0.00057 | [27] |
−2451 | 2,455,584.68684 | 0.00019 | [27] |
−2451 | 2,455,584.68689 | 0.00024 | [27] |
−2439 | 2,455,594.15188 | 0.00168 | [28] |
−2430 | 2,455,601.25164 | 0.00071 | [28] |
−2428 | 2,455,602.83141 | 0.00046 | [28] |
−2425 | 2,455,605.19414 | 0.00180 | [26] |
−2423 | 2,455,606.77467 | 0.00022 | [28] |
−2422 | 2,455,607.56244 | 0.00033 | [28] |
−2403 | 2,455,622.55059 | 0.00026 | [28] |
−2401 | 2,455,624.12787 | 0.00142 | [28] |
−2390 | 2,455,632.80614 | 0.00025 | [28] |
−2361 | 2,455,655.68222 | 0.00045 | [28] |
−2342 | 2,455,670.66976 | 0.00064 | [28] |
−2333 | 2,455,677.77038 | 0.00195 | [28] |
−2319 | 2,455,688.81201 | 0.00333 | [26] |
−2318 | 2,455,689.60280 | 0.00030 | [28] |
−2314 | 2,455,692.75674 | 0.00255 | [26] |
−2313 | 2,455,693.54639 | 0.00013 | [28] |
−2300 | 2,455,703.79933 | 0.00411 | [26] |
−2299 | 2,455,704.59078 | 0.00034 | [28] |
−2294 | 2,455,708.53495 | 0.00015 | [28] |
−2068 | 2,455,886.81234 | 0.00208 | [26] |
−2056 | 2,455,896.27611 | 0.00210 | [26] |
−2032 | 2,455,915.20980 | 0.00065 | [28] |
−2027 | 2,455,919.15485 | 0.00103 | [28] |
−2023 | 2,455,922.30966 | 0.00555 | [26] |
−1925 | 2,455,999.61634 | 0.00029 | [27] |
−1925 | 2,455,999.61649 | 0.00020 | [27] |
−1925 | 2,455,999.61636 | 0.00016 | [27] |
−1925 | 2,455,999.61606 | 0.00019 | [27] |
−1925 | 2,455,999.61614 | 0.00030 | [27] |
−1925 | 2,455,999.61634 | 0.00020 | [27] |
−1925 | 2,455,999.61637 | 0.00013 | [27] |
−1925 | 2,455,999.61651 | 0.00022 | [27] |
−1925 | 2,455,999.61675 | 0.00033 | [27] |
−1897 | 2,456,021.70358 | 0.00016 | [27] |
−1897 | 2,456,021.70334 | 0.00017 | [27] |
−1897 | 2,456,021.70363 | 0.00011 | [27] |
−1897 | 2,456,021.70408 | 0.00012 | [27] |
−1897 | 2,456,021.70380 | 0.00013 | [27] |
−1897 | 2,456,021.70323 | 0.00017 | [27] |
−1897 | 2,456,021.70393 | 0.00012 | [27] |
−1897 | 2,456,021.70371 | 0.00014 | [27] |
−1897 | 2,456,021.70429 | 0.00048 | [27] |
−1887 | 2,456,029.59250 | 0.00035 | [28] |
−1882 | 2,456,033.53713 | 0.00074 | [27] |
−1882 | 2,456,033.53800 | 0.00040 | [27] |
−1882 | 2,456,033.53837 | 0.00029 | [27] |
−1844 | 2,456,063.51170 | 0.00030 | [28] |
−1513 | 2,456,324.62053 | 0.00061 | [27] |
−1500 | 2,456,334.87207 | 0.00052 | [27] |
−1429 | 2,456,390.88033 | 0.00053 | [27] |
−1371 | 2,456,436.63288 | 0.00065 | [27] |
−1012 | 2,456,719.82623 | 0.00055 | [27] |
−987 | 2,456,739.54736 | 0.00030 | [27] |
−987 | 2,456,739.54796 | 0.00005 | [28] |
−945 | 2,456,772.67789 | 0.00052 | [24] |
−940 | 2,456,776.62329 | 0.00007 | [28] |
−685 | 2,456,977.77647 | 0.00010 | [27] |
−433 | 2,457,176.56474 | 0.00009 | [28] |
−126 | 2,457,418.73682 | 0.00023 | [27] |
−88 | 2,457,448.71292 | 0.00008 | [27] |
0 | 2,457,518.13180 | 0.00040 | [27] |
36 | 2,457,546.53020 | 0.00038 | [24] |
36 | 2,457,546.52975 | 0.00028 | [27] |
41 | 2,457,550.47270 | 0.00040 | [27] |
74 | 2,457,576.50470 | 0.00070 | [27] |
262 | 2,457,724.80783 | 0.0008 | [27] |
281 | 2,457,739.79415 | 0.00050 | [27] |
329 | 2,457,777.65743 | 0.00100 | [27] |
338 | 2,457,784.75892 | 0.00020 | [27] |
348 | 2,457,792.64753 | 0.00080 | [27] |
353 | 2,457,796.59224 | 0.00006 | [28] |
419 | 2,457,848.65559 | 0.00007 | [28] |
429 | 2,457,856.54384 | 0.00011 | [28] |
712 | 2,458,079.78567 | 0.00020 | [27] |
750 | 2,458,109.76384 | 0.00200 | [27] |
882 | 2,458,213.88747 | 0.00024 | [27] |
1280 | 2,458,527.84576 | 0.00050 | [27] |
1301 | 2,458,544.41159 | 0.00049 | This work |
1302 | 2,458,545.19878 | 0.00046 | This work |
1303 | 2,458,545.98899 | 0.00042 | This work |
1304 | 2,458,546.77730 | 0.00044 | This work |
1305 | 2,458,547.56685 | 0.00044 | This work |
1306 | 2,458,548.35504 | 0.00042 | This work |
1307 | 2,458,549.14473 | 0.00047 | This work |
1307 | 2,458,549.14510 | 0.00050 | [28] |
1308 | 2,458,549.93162 | 0.00050 | This work |
1309 | 2,458,550.72134 | 0.00053 | This work |
1310 | 2,458,551.51001 | 0.00046 | This work |
1311 | 2,458,552.29908 | 0.00048 | This work |
1312 | 2,458,553.08802 | 0.00050 | This work |
1313 | 2,458,553.87665 | 0.00045 | This work |
1314 | 2,458,554.66554 | 0.00049 | This work |
1315 | 2,458,555.45400 | 0.00046 | This work |
1318 | 2,458,557.82144 | 0.00048 | This work |
1319 | 2,458,558.64753 | 0.04132 | This work |
1320 | 2,458,559.39948 | 0.00048 | This work |
1321 | 2,458,560.18681 | 0.00044 | This work |
1322 | 2,458,560.97747 | 0.00047 | This work |
1323 | 2,458,561.76552 | 0.00046 | This work |
1324 | 2,458,562.55410 | 0.00047 | This work |
1325 | 2,458,563.34303 | 0.00047 | This work |
1326 | 2,458,564.13185 | 0.00044 | This work |
1327 | 2,458,564.92100 | 0.00044 | This work |
1328 | 2,458,565.70945 | 0.00049 | This work |
1329 | 2,458,566.49893 | 0.00045 | This work |
1330 | 2,458,567.28776 | 0.00046 | This work |
1331 | 2,458,568.07648 | 0.00047 | This work |
1347 | 2,458,580.69724 | 0.00040 | [24] |
1352 | 2,458,584.64167 | 0.00030 | [27] |
1702 | 2,458,860.73640 | 0.00050 | [28] |
1716 | 2,458,871.77920 | 0.00070 | [28] |
1721 | 2,458,875.72330 | 0.00040 | [28] |
1726 | 2,458,879.66800 | 0.00040 | [28] |
1731 | 2,458,883.61150 | 0.00060 | [28] |
1740 | 2,458,890.71260 | 0.00040 | [28] |
1749 | 2,458,897.80980 | 0.00060 | [28] |
1750 | 2,458,898.59980 | 0.00060 | [28] |
1754 | 2,458,901.75620 | 0.00040 | [28] |
1759 | 2,458,905.69940 | 0.00030 | [28] |
1802 | 2,458,939.62040 | 0.00040 | [28] |
1845 | 2,458,973.54000 | 0.00040 | [28] |
1850 | 2,458,977.48440 | 0.00040 | [28] |
2133 | 2,459,200.72540 | 0.00030 | [28] |
2142 | 2,459,207.82650 | 0.00040 | [28] |
2171 | 2,459,230.70140 | 0.00030 | [28] |
2180 | 2,459,237.80100 | 0.00040 | [28] |
2199 | 2,459,252.78830 | 0.00040 | [28] |
2204 | 2,459,256.73240 | 0.00050 | [28] |
2232 | 2,459,278.82060 | 0.00050 | [28] |
2237 | 2,459,282.76396 | 0.00041 | This work |
2238 | 2,459,283.55358 | 0.00051 | This work |
2239 | 2,459,284.34242 | 0.00056 | This work |
2240 | 2,459,285.13052 | 0.00050 | This work |
2241 | 2,459,285.91993 | 0.00047 | This work |
2242 | 2,459,286.70888 | 0.00048 | This work |
2243 | 2,459,287.49688 | 0.00050 | This work |
2244 | 2,459,288.28608 | 0.00045 | This work |
2245 | 2,459,289.07504 | 0.00043 | This work |
2246 | 2,459,289.86365 | 0.00048 | This work |
2247 | 2,459,290.65207 | 0.00048 | This work |
2248 | 2,459,291.44118 | 0.00051 | This work |
2249 | 2,459,292.22979 | 0.00048 | This work |
2253 | 2,459,295.38524 | 0.00052 | This work |
2254 | 2,459,296.17533 | 0.00049 | This work |
2255 | 2,459,296.96280 | 0.00048 | This work |
2256 | 2,459,297.75092 | 0.00051 | This work |
2257 | 2,459,298.54022 | 0.00050 | This work |
2258 | 2,459,299.32907 | 0.00047 | This work |
2259 | 2,459,300.11861 | 0.00054 | This work |
2260 | 2,459,300.90769 | 0.00045 | This work |
2261 | 2,459,301.69647 | 0.00048 | This work |
2262 | 2,459,302.48467 | 0.00049 | This work |
2263 | 2,459,303.27411 | 0.00049 | This work |
2264 | 2,459,304.06390 | 0.00049 | This work |
2265 | 2,459,304.85215 | 0.00045 | This work |
2266 | 2,459,305.64041 | 0.00049 | This work |
2271 | 2,459,309.58430 | 0.00040 | [28] |
2276 | 2,459,313.52950 | 0.00040 | [28] |
2294 | 2,459,327.72770 | 0.00090 | [28] |
2535 | 2,459,517.84020 | 0.00040 | [28] |
3072 | 2,459,941.44552 | 0.00030 | This work (LCOGT) |
3075 | 2,459,943.81605 | 0.00035 | This work (LCOGT) |
3133 | 2,459,989.55985 | 0.10613 | This work |
3134 | 2,459,990.35339 | 0.00049 | This work |
3135 | 2,459,991.14169 | 0.00044 | This work |
3136 | 2,459,991.93021 | 0.00053 | This work |
3137 | 2,459,992.71870 | 0.00047 | This work |
3138 | 2,459,993.50750 | 0.00043 | This work |
3139 | 2,459,994.29661 | 0.00053 | This work |
3140 | 2,459,995.08615 | 0.00090 | This work |
3141 | 2,459,995.87444 | 0.00049 | This work |
3142 | 2,459,996.66370 | 0.00045 | This work |
3143 | 2,459,997.45244 | 0.00051 | This work |
3144 | 2,459,998.24135 | 0.00046 | This work |
3145 | 2,459,999.03033 | 0.00050 | This work |
3146 | 2,459,999.81791 | 0.00041 | This work |
3147 | 2,460,000.60773 | 0.00045 | This work |
3150 | 2,460,002.97504 | 0.00046 | This work |
3151 | 2,460,003.76306 | 0.00047 | This work |
3152 | 2,460,004.55150 | 0.00047 | This work |
3153 | 2,460,005.34000 | 0.00049 | This work |
3154 | 2,460,006.12910 | 0.00046 | This work |
3155 | 2,460,006.91909 | 0.00048 | This work |
3156 | 2,460,007.66404 | 0.03918 | This work |
3157 | 2,460,008.49637 | 0.00051 | This work |
3158 | 2,460,009.28486 | 0.00049 | This work |
3159 | 2,460,010.07379 | 0.00047 | This work |
3160 | 2,460,010.86213 | 0.00044 | This work |
3161 | 2,460,011.65141 | 0.00046 | This work |
3162 | 2,460,012.44133 | 0.00049 | This work |
3163 | 2,460,013.22912 | 0.00046 | This work |
3164 | 2,460,014.01720 | 0.00043 | This work |
3165 | 2,460,014.80706 | 0.00045 | This work |
3166 | 2,460,015.59584 | 0.00049 | This work |
3167 | 2,460,016.38477 | 0.00049 | This work |
3168 | 2,460,017.17270 | 0.00043 | This work |
3169 | 2,460,017.96171 | 0.00049 | This work |
3170 | 2,460,018.75117 | 0.00051 | This work |
3171 | 2,460,019.53959 | 0.00050 | This work |
3172 | 2,460,020.32846 | 0.00047 | This work |
3173 | 2,460,021.11728 | 0.00054 | This work |
3174 | 2,460,021.90557 | 0.00050 | This work |
3175 | 2,460,022.69465 | 0.00046 | This work |
3176 | 2,460,023.48426 | 0.00046 | This work |
3177 | 2,460,024.27267 | 0.00049 | This work |
3178 | 2,460,025.06250 | 0.00051 | This work |
3179 | 2,460,025.85062 | 0.00049 | This work |
3180 | 2,460,026.63906 | 0.00048 | This work |
3181 | 2,460,027.49901 | 0.03815 | This work |
3182 | 2,460,028.21724 | 0.00045 | This work |
3183 | 2,460,029.00464 | 0.00044 | This work |
3184 | 2,460,029.79492 | 0.00046 | This work |
3185 | 2,460,030.58364 | 0.00045 | This work |
3186 | 2,460,031.37199 | 0.00048 | This work |
3187 | 2,460,032.16143 | 0.00047 | This work |
3188 | 2,460,032.94954 | 0.00048 | This work |
3189 | 2,460,033.73913 | 0.00046 | This work |
3190 | 2,460,034.52758 | 0.00050 | This work |
3191 | 2,460,035.31615 | 0.00052 | This work |
3192 | 2,460,036.10565 | 0.00050 | This work |
3193 | 2,460,036.89307 | 0.00051 | This work |
3194 | 2,460,037.68293 | 0.00045 | This work |
3195 | 2,460,038.47164 | 0.00046 | This work |
3196 | 2,460,039.25966 | 0.00049 | This work |
3197 | 2,460,040.04913 | 0.00049 | This work |
3198 | 2,460,040.83906 | 0.00056 | This work |
3506 | 2,460,283.80047 | 0.00032 | This work (LCOGT) |
3517 | 2,460,292.47802 | 0.00035 | This work (LCOGT) |
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Korth, J.; Parviainen, H. Update on WASP-19. Universe 2024, 10, 12. https://doi.org/10.3390/universe10010012
Korth J, Parviainen H. Update on WASP-19. Universe. 2024; 10(1):12. https://doi.org/10.3390/universe10010012
Chicago/Turabian StyleKorth, Judith, and Hannu Parviainen. 2024. "Update on WASP-19" Universe 10, no. 1: 12. https://doi.org/10.3390/universe10010012
APA StyleKorth, J., & Parviainen, H. (2024). Update on WASP-19. Universe, 10(1), 12. https://doi.org/10.3390/universe10010012