| Name: | AT2025yyi |
| Right ascension: | 9h21m35.63s |
| Declination: | 54d35m02.35s |
| Discovery Date: | Sept. 30, 2025, 11:24 a.m. |
| Classification: | None |
| Redshift: | None |
| MW E(B-V): | 0.021 |
| Name: | 2473983 |
| Right ascension: | 9h21m35.66s |
| Declination: | 54d35m04.25s |
| Redshift: | None |
| Photometric Redshift: | 0.077 |
| Downloaded | 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 SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g |
GALEX_NUV GALEX_FUV DES_g DES_r DES_i DES_z DES_Y |
| Task Name | Status | Time (s) |
|---|---|---|
| Cutout download | processed | 1.58 |
| Transient MWEBV | processed | 0.25 |
| Host match | processed | 4.7 |
| Host information | processed | 0.04 |
| Host MWEBV | processed | 0.04 |
| Global aperture construction | processed | 0.64 |
| Global aperture photometry | processed | 5.45 |
| Validate global photometry | processed | 14.03 |
| Global host SED inference | processed | 505.05 |
| Local aperture photometry | processed | 5.07 |
| Validate local photometry | processed | 0.02 |
| Local host SED inference | processed | 415.81 |
| RA, DEC (J2000): | 9h21m35.63s, 54d35m02.35s |
| semi major axis, semi minor axis (arcsec): | 1.38, 1.38 |
| 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 | 21.77 | 0.39 | 20.555 | 0.019 | AB |
| SDSS_r | 36.85 | 1.67 | 19.984 | 0.049 | AB |
| PanSTARRS_r | 34.68 | 0.45 | 20.050 | 0.014 | AB |
| SDSS_i | 53.71 | 2.13 | 19.575 | 0.043 | AB |
| PanSTARRS_i | 50.23 | 0.4 | 19.648 | 0.009 | AB |
| PanSTARRS_z | 59.88 | 1.2 | 19.457 | 0.022 | AB |
| SDSS_z | 68.84 | 4.05 | 19.305 | 0.064 | AB |
| PanSTARRS_y | 67.79 | 2.66 | 19.322 | 0.043 | AB |
| RA, DEC (J2000): | 9h21m35.67s, 54d35m04.74s |
| semi major axis, semi minor axis (arcsec): | 14.53, 7.1 |
| angle (degrees, anti-clockwise from east): | -109.52 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| SDSS_g | 417.64 | 5.91 | 17.348 | 0.015 | AB |
| PanSTARRS_g | 454.37 | 2.78 | 17.256 | 0.007 | AB |
| SDSS_r | 723.68 | 8.13 | 16.751 | 0.012 | AB |
| PanSTARRS_r | 697.49 | 3.2 | 16.791 | 0.005 | AB |
| SDSS_i | 998.92 | 10.94 | 16.401 | 0.012 | AB |
| PanSTARRS_i | 963.32 | 2.88 | 16.441 | 0.003 | AB |
| PanSTARRS_z | 1142.59 | 8.75 | 16.255 | 0.008 | AB |
| SDSS_z | 1349.46 | 27.16 | 16.075 | 0.022 | AB |
| PanSTARRS_y | 1374.38 | 19.57 | 16.055 | 0.015 | AB |
| 2MASS_J | 1578.58 | 198.86 | 15.009 | 0.137 | Vega |
| 2MASS_H | 2286.33 | 289.13 | 14.135 | 0.137 | Vega |
| 2MASS_K | 2184.23 | 333.39 | 13.714 | 0.166 | Vega |
| WISE_W1 | 745.99 | 20.26 | 14.019 | 0.029 | Vega |
| WISE_W2 | 497.81 | 24.01 | 13.818 | 0.052 | Vega |
| WISE_W3 | 1276.16 | 99.77 | 10.961 | 0.085 | Vega |
| WISE_W4 | 1183.16 | 582.34 | 9.597 | 0.534 | Vega |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 8.996 | 9.160 | 9.284 |
| {\rm log}_{10}({\rm SFR}) | -1.426 | -0.912 | -0.358 |
| {\rm log}_{10}({\rm sSFR}) | -10.612 | -10.077 | -9.416 |
| {\rm stellar\ age} | 2.469 | 5.670 | 7.285 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -1.361 | -0.636 | -0.079 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -1.465 | -0.780 | -0.048 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.428 | 0.946 | 1.382 |
| \delta | -0.320 | -0.033 | 0.261 |
| \tau_1/\tau_2 | 0.654 | 1.016 | 1.361 |
| Q_{PAH} | 0.972 | 2.955 | 5.607 |
| U_{min} | 2.781 | 7.766 | 14.641 |
| {\rm log}_{10}(\gamma_e)\, | -3.068 | -1.989 | -0.716 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -2.792 | -0.947 | -0.261 |
| {\rm log}_{10}(\tau_{AGN})\, | 0.951 | 1.383 | 1.924 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -1.519 | -0.986 | -0.584 |
| 0.03-0.10 Gyr | -1.637 | -0.947 | -0.280 |
| 0.10-0.33 Gyr | -1.446 | -0.785 | -0.167 |
| 0.33-1.07 Gyr | -1.310 | -0.627 | -0.163 |
| 1.07-3.51 Gyr | -1.452 | -0.741 | -0.468 |
| 3.51-11.47 Gyr | -1.833 | -0.853 | -0.596 |
| 11.47-12.75 Gyr | -1.905 | -0.897 | -0.361 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 10.341 | 10.425 | 10.489 |
| {\rm log}_{10}({\rm SFR}) | -0.594 | 0.067 | 0.763 |
| {\rm log}_{10}({\rm sSFR}) | -10.929 | -10.383 | -9.652 |
| {\rm stellar\ age} | 6.405 | 7.346 | 8.958 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -0.686 | -0.521 | -0.382 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -0.864 | -0.415 | 0.010 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.108 | 0.207 | 0.374 |
| \delta | -0.930 | -0.728 | -0.356 |
| \tau_1/\tau_2 | 0.668 | 1.042 | 1.421 |
| Q_{PAH} | 0.341 | 1.220 | 3.086 |
| U_{min} | 2.684 | 7.742 | 14.702 |
| {\rm log}_{10}(\gamma_e)\, | -2.668 | -1.614 | -0.452 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -4.099 | -2.887 | -1.826 |
| {\rm log}_{10}(\tau_{AGN})\, | 1.181 | 1.676 | 1.990 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -0.777 | -0.338 | -0.116 |
| 0.03-0.10 Gyr | -0.678 | 0.157 | 0.914 |
| 0.10-0.33 Gyr | -0.766 | 0.150 | 0.623 |
| 0.33-1.07 Gyr | -0.737 | -0.007 | 0.326 |
| 1.07-3.51 Gyr | -0.401 | 0.212 | 0.512 |
| 3.51-11.47 Gyr | 0.241 | 0.557 | 0.687 |
| 11.47-12.75 Gyr | 0.114 | 0.655 | 1.243 |