| Name: | AT2025xyb |
| Right ascension: | 21h17m17.19s |
| Declination: | -41d31m13.38s |
| Discovery Date: | Sept. 17, 2025, 3:19 a.m. |
| Classification: | None |
| Redshift: | None |
| MW E(B-V): | 0.028 |
| Name: | ESO342-031 |
| Right ascension: | 21h17m17.81s |
| Declination: | -41d31m12.23s |
| Redshift: | 0.041193 |
| Photometric Redshift: | None |
| 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_r SDSS_u SDSS_z SDSS_g DES_g DES_r DES_i DES_z DES_Y |
| Task Name | Status | Time (s) |
|---|---|---|
| Cutout download | processed | 3.43 |
| Transient MWEBV | processed | 0.1 |
| Host match | processed | 4.1 |
| Host information | processed | 0.12 |
| Host MWEBV | processed | 0.1 |
| Global aperture construction | processed | 0.12 |
| Global aperture photometry | processed | 0.56 |
| Validate global photometry | processed | 0.52 |
| Global host SED inference | processed | 1175.74 |
| Local aperture photometry | processed | 0.78 |
| Validate local photometry | no valid phot | 0.01 |
| Local host SED inference | not processed | None |
Data not available
| RA, DEC (J2000): | 21h17m17.90s, -41d31m12.40s |
| semi major axis, semi minor axis (arcsec): | 16.1, 9.53 |
| angle (degrees, anti-clockwise from east): | -141.57 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| GALEX_FUV | 121.63 | 10.81 | 18.687 | 0.097 | AB |
| GALEX_NUV | 155.97 | 4.22 | 18.417 | 0.029 | AB |
| WISE_W2 | 2437.04 | 49.83 | 12.094 | 0.022 | Vega |
| WISE_W3 | 8922.35 | 146.69 | 8.850 | 0.018 | Vega |
| WISE_W4 | 10503.36 | 1070.93 | 7.227 | 0.111 | Vega |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 10.037 | 10.360 | 10.558 |
| {\rm log}_{10}({\rm SFR}) | -0.133 | 0.434 | 0.974 |
| {\rm log}_{10}({\rm sSFR}) | -10.429 | -9.929 | -9.297 |
| {\rm stellar\ age} | 4.888 | 7.462 | 10.378 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -0.825 | -0.196 | 0.099 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -1.384 | -0.479 | -0.025 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.198 | 0.627 | 1.022 |
| \delta | -0.157 | 0.124 | 0.300 |
| \tau_1/\tau_2 | 0.261 | 0.737 | 1.267 |
| Q_{PAH} | 0.332 | 1.129 | 3.117 |
| U_{min} | 2.855 | 7.401 | 14.068 |
| {\rm log}_{10}(\gamma_e)\, | -3.574 | -2.726 | -1.629 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -2.601 | -1.689 | -1.034 |
| {\rm log}_{10}(\tau_{AGN})\, | 0.779 | 1.064 | 1.498 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -0.381 | 0.246 | 0.738 |
| 0.03-0.10 Gyr | -0.659 | 0.357 | 1.089 |
| 0.10-0.33 Gyr | -2.036 | -0.271 | 0.388 |
| 0.33-1.09 Gyr | -2.415 | -0.289 | 0.362 |
| 1.09-3.60 Gyr | -1.795 | 0.015 | 0.525 |
| 3.60-11.88 Gyr | -0.809 | 0.316 | 0.637 |
| 11.88-13.20 Gyr | -0.545 | 0.520 | 1.387 |