| Name: | AT2025xsi |
| Right ascension: | 15h19m07.45s |
| Declination: | -2d51m39.51s |
| Discovery Date: | Sept. 7, 2025, 3:17 a.m. |
| Classification: | None |
| Redshift: | None |
| MW E(B-V): | 0.116 |
| Name: | |
| Right ascension: | 15h19m07.44s |
| Declination: | -2d51m38.08s |
| Redshift: | None |
| Photometric Redshift: | 0.128 |
| Downloaded | Unavailable |
|---|---|
|
2MASS_H 2MASS_J 2MASS_K WISE_W1 WISE_W2 WISE_W3 WISE_W4 GALEX_NUV GALEX_FUV PanSTARRS_g PanSTARRS_r PanSTARRS_i PanSTARRS_z PanSTARRS_y SDSS_i SDSS_g DES_g DES_r DES_z |
SDSS_r SDSS_u SDSS_z DES_i DES_Y |
| Task Name | Status | Time (s) |
|---|---|---|
| Cutout download | processed | 11.32 |
| Transient MWEBV | processed | 0.15 |
| Host match | processed | 8.09 |
| Host information | processed | 0.11 |
| Host MWEBV | processed | 0.04 |
| Global aperture construction | processed | 0.67 |
| Global aperture photometry | processed | 5.26 |
| Validate global photometry | processed | 14.89 |
| Global host SED inference | processed | 382.14 |
| Local aperture photometry | processed | 5.4 |
| Validate local photometry | no valid phot | 0.02 |
| Local host SED inference | not processed | None |
Data not available
| RA, DEC (J2000): | 15h19m07.44s, -2d51m37.88s |
| semi major axis, semi minor axis (arcsec): | 3.77, 2.04 |
| angle (degrees, anti-clockwise from east): | -16.54 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| GALEX_FUV | 0.55 | 0.54 | 24.550 | 1.072 | AB |
| GALEX_NUV | 2.05 | 0.44 | 23.121 | 0.233 | AB |
| SDSS_g | 21.67 | 1.64 | 20.560 | 0.082 | AB |
| DES_g | 20.89 | 0.32 | 20.600 | 0.016 | AB |
| PanSTARRS_g | 22.76 | 0.68 | 20.507 | 0.033 | AB |
| PanSTARRS_r | 35.63 | 0.82 | 20.020 | 0.025 | AB |
| DES_r | 39.12 | 0.48 | 19.919 | 0.013 | AB |
| SDSS_i | 50.51 | 2.89 | 19.642 | 0.062 | AB |
| PanSTARRS_i | 49.46 | 1.11 | 19.664 | 0.024 | AB |
| PanSTARRS_z | 57.36 | 1.84 | 19.503 | 0.035 | AB |
| DES_z | 62.58 | 2.91 | 19.409 | 0.050 | AB |
| PanSTARRS_y | 79.14 | 3.57 | 19.154 | 0.049 | AB |
| 2MASS_J | 181.36 | 85.7 | 17.359 | 0.513 | Vega |
| 2MASS_H | -5.68 | 113.47 | Vega | ||
| 2MASS_K | -109.6 | 164.92 | Vega | ||
| WISE_W1 | 40.62 | 6.93 | 17.179 | 0.185 | Vega |
| WISE_W2 | 20.34 | 10.3 | 17.290 | 0.550 | Vega |
| WISE_W3 | 54.07 | 38.24 | 14.394 | 0.768 | Vega |
| WISE_W4 | 457.06 | 307.59 | 10.630 | 0.731 | Vega |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 9.276 | 9.460 | 9.569 |
| {\rm log}_{10}({\rm SFR}) | -0.823 | -0.152 | 0.358 |
| {\rm log}_{10}({\rm sSFR}) | -10.270 | -9.610 | -9.019 |
| {\rm stellar\ age} | 1.941 | 4.589 | 6.026 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -0.884 | -0.307 | -0.031 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -1.507 | -0.213 | 0.283 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.228 | 0.464 | 0.748 |
| \delta | -0.524 | -0.182 | 0.077 |
| \tau_1/\tau_2 | 0.653 | 1.059 | 1.442 |
| Q_{PAH} | 0.628 | 1.883 | 3.751 |
| U_{min} | 2.868 | 8.445 | 16.099 |
| {\rm log}_{10}(\gamma_e)\, | -2.524 | -1.571 | -0.584 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -3.798 | -1.769 | -0.850 |
| {\rm log}_{10}(\tau_{AGN})\, | 1.113 | 1.509 | 1.876 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -1.373 | -0.667 | -0.335 |
| 0.03-0.10 Gyr | -0.860 | -0.048 | 0.502 |
| 0.10-0.32 Gyr | -0.251 | 0.163 | 0.528 |
| 0.32-1.04 Gyr | -0.744 | -0.108 | 0.197 |
| 1.04-3.37 Gyr | -1.343 | -0.461 | -0.179 |
| 3.37-10.91 Gyr | -1.679 | -0.651 | -0.380 |
| 10.91-12.12 Gyr | -1.806 | -0.666 | -0.110 |