| Name: | AT2025usg |
| Right ascension: | 23h45m29.38s |
| Declination: | 7d54m18.29s |
| Discovery Date: | Aug. 19, 2025, 10:46 a.m. |
| Classification: | None |
| Redshift: | None |
| MW E(B-V): | 0.179 |
| Name: | J234529.45+075419.16 |
| Right ascension: | 23h45m29.45s |
| Declination: | 7d54m19.16s |
| Redshift: | 0.078168 |
| Photometric Redshift: | 0.052 |
| Downloadable | Unavailable |
|---|---|
|
2MASS_H
2MASS_J 2MASS_K WISE_W1 WISE_W2 WISE_W3 WISE_W4 PanSTARRS_g PanSTARRS_r PanSTARRS_i PanSTARRS_z PanSTARRS_y DES_r DES_z |
GALEX_NUV GALEX_FUV SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g DES_g DES_i DES_Y |
| Task Name | Status | Time (s) |
|---|---|---|
| Cutout download | processed | 21.57 |
| Transient MWEBV | processed | 0.05 |
| Host match | processed | 6.25 |
| Host information | processed | 0.14 |
| Host MWEBV | processed | 0.11 |
| Host spectrum download | not processed | None |
| Global aperture construction | processed | 0.62 |
| Global aperture photometry | processed | 4.21 |
| Validate global photometry | processed | 9.45 |
| Global host SED inference | processed | 409.32 |
| Local aperture photometry | processed | 4.72 |
| Validate local photometry | processed | 0.02 |
| Local host SED inference | processed | 452.89 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 9.756 | 9.954 | 10.110 |
| {\rm log}_{10}({\rm SFR}) | -0.389 | 0.211 | 0.641 |
| {\rm log}_{10}({\rm sSFR}) | -10.364 | -9.733 | -9.192 |
| {\rm stellar\ age} | 3.163 | 6.160 | 8.042 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -1.444 | -0.905 | -0.420 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -0.074 | 0.149 | 0.334 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.324 | 0.772 | 1.109 |
| \delta | -0.671 | -0.273 | 0.118 |
| \tau_1/\tau_2 | 0.633 | 0.997 | 1.362 |
| Q_{PAH} | 0.381 | 1.644 | 3.301 |
| U_{min} | 2.630 | 7.420 | 14.207 |
| {\rm log}_{10}(\gamma_e)\, | -3.372 | -2.390 | -1.121 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -3.989 | -2.034 | -0.552 |
| {\rm log}_{10}(\tau_{AGN})\, | 1.025 | 1.472 | 1.933 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -0.101 | 0.278 | 0.518 |
| 0.03-0.10 Gyr | -0.921 | 0.144 | 0.703 |
| 0.10-0.33 Gyr | -0.990 | -0.020 | 0.599 |
| 0.33-1.07 Gyr | -0.871 | -0.041 | 0.433 |
| 1.07-3.50 Gyr | -0.753 | -0.044 | 0.301 |
| 3.50-11.45 Gyr | -0.799 | -0.056 | 0.252 |
| 11.45-12.73 Gyr | -0.893 | 0.024 | 0.654 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 10.416 | 10.522 | 10.606 |
| {\rm log}_{10}({\rm SFR}) | 0.351 | 0.723 | 1.059 |
| {\rm log}_{10}({\rm sSFR}) | -10.187 | -9.804 | -9.430 |
| {\rm stellar\ age} | 3.177 | 5.488 | 6.724 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -0.419 | -0.137 | 0.005 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -0.246 | 0.207 | 0.359 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.291 | 0.430 | 0.611 |
| \delta | -0.630 | -0.325 | 0.001 |
| \tau_1/\tau_2 | 0.738 | 1.102 | 1.447 |
| Q_{PAH} | 1.087 | 2.016 | 3.341 |
| U_{min} | 1.978 | 6.125 | 12.828 |
| {\rm log}_{10}(\gamma_e)\, | -3.475 | -2.623 | -1.613 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -3.480 | -2.174 | -1.571 |
| {\rm log}_{10}(\tau_{AGN})\, | 1.041 | 1.488 | 1.878 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | 0.628 | 0.794 | 0.947 |
| 0.03-0.10 Gyr | -0.019 | 0.673 | 1.131 |
| 0.10-0.33 Gyr | 0.001 | 0.742 | 1.074 |
| 0.33-1.07 Gyr | 0.411 | 0.794 | 1.104 |
| 1.07-3.50 Gyr | 0.446 | 0.738 | 0.982 |
| 3.50-11.45 Gyr | -0.067 | 0.496 | 0.710 |
| 11.45-12.73 Gyr | -0.474 | 0.448 | 0.911 |
| RA, DEC (J2000): | 23h45m29.38s, 7d54m18.29s |
| semi major axis, semi minor axis (arcsec): | 1.35, 1.35 |
| angle (degrees, anti-clockwise from east): | 0.0 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| PanSTARRS_g | 94.79 | 0.4 | 18.958 | 0.005 | AB |
| PanSTARRS_r | 173.65 | 0.38 | 18.301 | 0.002 | AB |
| DES_r | 205.74 | 0.79 | 18.117 | 0.004 | AB |
| PanSTARRS_i | 302.08 | 0.59 | 17.700 | 0.002 | AB |
| PanSTARRS_z | 331.48 | 1.0 | 17.599 | 0.003 | AB |
| DES_z | 327.83 | 3.35 | 17.611 | 0.011 | AB |
| PanSTARRS_y | 438.85 | 2.34 | 17.294 | 0.006 | AB |
| RA, DEC (J2000): | 23h45m29.44s, 7d54m19.23s |
| semi major axis, semi minor axis (arcsec): | 7.48, 5.63 |
| angle (degrees, anti-clockwise from east): | -30.75 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| PanSTARRS_g | 461.13 | 1.65 | 17.240 | 0.004 | AB |
| PanSTARRS_r | 826.7 | 1.52 | 16.607 | 0.002 | AB |
| DES_r | 959.74 | 1.79 | 16.445 | 0.002 | AB |
| PanSTARRS_i | 1345.03 | 2.42 | 16.078 | 0.002 | AB |
| PanSTARRS_z | 1489.36 | 4.48 | 15.967 | 0.003 | AB |
| DES_z | 1614.9 | 7.53 | 15.880 | 0.005 | AB |
| PanSTARRS_y | 1929.71 | 10.92 | 15.686 | 0.006 | AB |
| WISE_W1 | 1751.33 | 25.65 | 13.093 | 0.016 | Vega |
| WISE_W2 | 1241.91 | 30.14 | 12.826 | 0.026 | Vega |
| WISE_W3 | 7211.18 | 123.18 | 9.081 | 0.019 | Vega |