| Name: | SN2025xsm |
| Right ascension: | 4h18m27.63s |
| Declination: | -54d38m25.29s |
| Discovery Date: | Sept. 13, 2025, 9:22 a.m. |
| Classification: | SN Ia |
| Redshift: | 0.040000 |
| MW E(B-V): | 0.007 |
| Name: | J041827.91-543825.79 |
| Right ascension: | 4h18m27.91s |
| Declination: | -54d38m25.79s |
| Redshift: | None |
| Photometric Redshift: | 0.056 |
| Task Name | Status | Time (s) |
|---|---|---|
| Cutout download | failed | 2.75 |
| Transient MWEBV | not processed | 0.04 |
| Host match | not processed | 7.67 |
| Host information | not processed | 0.11 |
| Host MWEBV | not processed | 0.04 |
| Host spectrum download | not processed | None |
| Global aperture construction | not processed | 0.13 |
| Global aperture photometry | not processed | 0.7 |
| Validate global photometry | not processed | 0.87 |
| Global host SED inference | not processed | 1012.09 |
| Local aperture photometry | not processed | 0.81 |
| Validate local photometry | not processed | 0.01 |
| Local host SED inference | not processed | None |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 10.243 | 10.513 | 10.726 |
| {\rm log}_{10}({\rm SFR}) | -0.713 | 0.126 | 0.759 |
| {\rm log}_{10}({\rm sSFR}) | -11.286 | -10.397 | -9.631 |
| {\rm stellar\ age} | 4.548 | 7.550 | 11.804 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -1.165 | -0.661 | -0.287 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -1.402 | -0.669 | 0.056 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.210 | 0.385 | 0.574 |
| \delta | -0.911 | -0.708 | -0.382 |
| \tau_1/\tau_2 | 0.257 | 0.681 | 1.273 |
| Q_{PAH} | 0.271 | 1.060 | 2.532 |
| U_{min} | 2.122 | 6.942 | 14.699 |
| {\rm log}_{10}(\gamma_e)\, | -3.525 | -2.641 | -1.026 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -4.361 | -3.135 | -1.644 |
| {\rm log}_{10}(\tau_{AGN})\, | 1.140 | 1.626 | 1.965 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -1.047 | 0.019 | 0.643 |
| 0.03-0.10 Gyr | -1.724 | -0.105 | 0.840 |
| 0.10-0.33 Gyr | -2.562 | -0.368 | 0.442 |
| 0.33-1.08 Gyr | -3.411 | -0.213 | 0.625 |
| 1.08-3.56 Gyr | -2.438 | 0.158 | 0.717 |
| 3.56-11.70 Gyr | -0.810 | 0.378 | 0.771 |
| 11.70-13.00 Gyr | -0.346 | 0.710 | 1.818 |
Data not available
| RA, DEC (J2000): | 4h18m27.92s, -54d38m25.83s |
| semi major axis, semi minor axis (arcsec): | 7.68, 5.9 |
| angle (degrees, anti-clockwise from east): | -88.57 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| GALEX_FUV | 16.17 | 0.81 | 20.878 | 0.055 | AB |
| 2MASS_J | 4342.26 | 216.82 | 13.911 | 0.054 | Vega |
| 2MASS_H | 4298.76 | 293.9 | 13.449 | 0.074 | Vega |
| WISE_W1 | 1766.43 | 16.72 | 13.083 | 0.010 | Vega |
| WISE_W4 | 208.47 | 200.62 | 11.482 | 1.045 | Vega |