| Name: | SN2026ywa |
| Right ascension: | 20h15m10.88s |
| Declination: | -52d43m17.22s |
| Discovery Date: | Aug. 13, 2026, 9:49 p.m. |
| Classification: | SN Ia |
| Redshift: | 0.019190 |
| MW E(B-V): | 0.044 |
| Name: | J201509.00-524302.65 |
| Object ID: | 9906604235753266 |
| Catalog Name: | decals |
| Catalog Release: | dr9 |
| Right ascension: | 20h15m09.00s |
| Declination: | -52d43m02.65s |
| Redshift: | None |
| Photometric Redshift: | 0.016 |
| Task Name | Status | Time (s) |
|---|---|---|
| Cutout download | processed | 3.57 |
| Transient MWEBV | processed | 0.06 |
| Host match | processed | 6.25 |
| Host information | processed | 0.14 |
| Host MWEBV | processed | 0.15 |
| Host spectrum download | processed | 0.09 |
| Global aperture construction | processed | 0.14 |
| Global aperture photometry | processed | 0.96 |
| Validate global photometry | processed | 1.2 |
| Global host SED inference | processed | 330.65 |
| Local aperture photometry | processed | 0.91 |
| Validate local photometry | processed | 0.02 |
| Local host SED inference | not enough filters | 24.6 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 10.321 | 10.499 | 10.641 |
| {\rm log}_{10}({\rm SFR}) | -0.124 | 0.214 | 0.543 |
| {\rm log}_{10}({\rm sSFR}) | -10.684 | -10.293 | -9.861 |
| {\rm stellar\ age} | 4.966 | 7.235 | 8.510 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -0.794 | -0.338 | -0.064 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -1.141 | -0.394 | 0.142 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.238 | 0.372 | 0.577 |
| \delta | -0.717 | -0.365 | -0.032 |
| \tau_1/\tau_2 | 0.610 | 0.936 | 1.248 |
| Q_{PAH} | 1.235 | 2.375 | 4.184 |
| U_{min} | 2.232 | 6.449 | 13.703 |
| {\rm log}_{10}(\gamma_e)\, | -3.604 | -3.035 | -2.358 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -4.550 | -3.838 | -2.903 |
| {\rm log}_{10}(\tau_{AGN})\, | 1.059 | 1.507 | 1.934 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -0.464 | 0.132 | 0.488 |
| 0.03-0.10 Gyr | -0.262 | 0.222 | 0.608 |
| 0.10-0.33 Gyr | -0.447 | 0.197 | 0.771 |
| 0.33-1.10 Gyr | -0.479 | 0.201 | 0.737 |
| 1.10-3.66 Gyr | -0.196 | 0.352 | 0.623 |
| 3.66-12.17 Gyr | -0.046 | 0.509 | 0.783 |
| 12.17-13.52 Gyr | -0.334 | 0.441 | 1.038 |
| 0.33-1.10 Gyr | -0.418 | 0.247 | 0.750 |
| 1.10-3.66 Gyr | -0.133 | 0.409 | 0.683 |
| 3.66-12.15 Gyr | 0.058 | 0.587 | 0.837 |
| 12.15-13.50 Gyr | -0.204 | 0.496 | 1.069 |
| RA, DEC (J2000): | 20h15m10.88s, -52d43m17.22s |
| semi major axis, semi minor axis (arcsec): | 5.14, 5.14 |
| angle (degrees, anti-clockwise from east): | 0.0 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| GALEX_FUV | 9.98 | 2.76 | 21.402 | 0.300 | AB |
| 2MASS_J | 96.79 | 119.83 | 18.040 | 1.344 | Vega |
| 2MASS_H | -73.78 | 191.01 | Vega | ||
| 2MASS_K | 70.72 | 230.49 | 17.438 | 3.538 | Vega |
| RA, DEC (J2000): | 20h15m08.95s, -52d43m03.01s |
| semi major axis, semi minor axis (arcsec): | 34.22, 18.22 |
| angle (degrees, anti-clockwise from east): | 181.84 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| GALEX_FUV | 374.49 | 15.8 | 17.466 | 0.046 | AB |
| GALEX_NUV | 581.25 | 11.38 | 16.989 | 0.021 | AB |
| 2MASS_J | 31590.76 | 585.31 | 11.756 | 0.020 | Vega |
| 2MASS_H | 39143.17 | 930.41 | 11.051 | 0.026 | Vega |
| 2MASS_K | 33083.71 | 1121.99 | 10.763 | 0.037 | Vega |
| WISE_W1 | 16565.28 | 429.15 | 10.653 | 0.028 | Vega |
| WISE_W2 | 9407.21 | 220.17 | 10.627 | 0.025 | Vega |
| WISE_W3 | 32395.15 | 499.31 | 7.450 | 0.017 | Vega |
| WISE_W4 | 32951.14 | 2286.04 | 5.985 | 0.075 | Vega |