| Name: | AT2026cov |
| Right ascension: | 10h21m59.91s |
| Declination: | 15d12m19.80s |
| Discovery Date: | Feb. 7, 2026, 10:15 a.m. |
| Classification: | None |
| Redshift: | None |
| MW E(B-V): | 0.053 |
| Name: | J102159.79+151219.29 |
| Right ascension: | 10h21m59.79s |
| Declination: | 15d12m19.29s |
| Redshift: | None |
| Photometric Redshift: | 0.097 |
| 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 DES_g DES_r DES_z |
GALEX_NUV GALEX_FUV DES_i DES_Y |
| Task Name | Status | Time (s) |
|---|---|---|
| Cutout download | processed | 16.37 |
| Transient MWEBV | processed | 0.03 |
| Host match | processed | 4.62 |
| Host information | processed | 0.15 |
| Host MWEBV | processed | 0.04 |
| Global aperture construction | processed | 0.6 |
| Global aperture photometry | processed | 6.43 |
| Validate global photometry | processed | 17.37 |
| Global host SED inference | processed | 403.02 |
| Local aperture photometry | processed | 5.95 |
| Validate local photometry | processed | 0.02 |
| Local host SED inference | processed | 578.65 |
| RA, DEC (J2000): | 10h21m59.91s, 15d12m19.80s |
| semi major axis, semi minor axis (arcsec): | 1.11, 1.11 |
| angle (degrees, anti-clockwise from east): | 0.0 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| DES_r | 78.18 | 1.03 | 19.167 | 0.014 | AB |
| PanSTARRS_i | 88.82 | 0.43 | 19.029 | 0.005 | AB |
| PanSTARRS_z | 96.21 | 0.72 | 18.942 | 0.008 | AB |
| DES_z | 116.72 | 2.92 | 18.732 | 0.027 | AB |
| PanSTARRS_y | 115.51 | 1.66 | 18.743 | 0.016 | AB |
| RA, DEC (J2000): | 10h21m59.79s, 15d12m19.29s |
| semi major axis, semi minor axis (arcsec): | 7.44, 5.8 |
| angle (degrees, anti-clockwise from east): | -121.38 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| SDSS_u | 97.13 | 5.02 | 18.932 | 0.056 | AB |
| SDSS_g | 321.18 | 4.95 | 17.633 | 0.017 | AB |
| DES_g | 334.03 | 1.27 | 17.591 | 0.004 | AB |
| PanSTARRS_g | 345.48 | 1.51 | 17.554 | 0.005 | AB |
| SDSS_r | 553.4 | 6.62 | 17.042 | 0.013 | AB |
| PanSTARRS_r | 557.47 | 1.56 | 17.034 | 0.003 | AB |
| DES_r | 596.86 | 3.0 | 16.960 | 0.005 | AB |
| SDSS_i | 805.39 | 8.48 | 16.635 | 0.011 | AB |
| PanSTARRS_z | 950.18 | 4.07 | 16.455 | 0.005 | AB |
| SDSS_z | 971.84 | 16.84 | 16.431 | 0.019 | AB |
| DES_z | 928.83 | 8.6 | 16.480 | 0.010 | AB |
| PanSTARRS_y | 1187.83 | 9.67 | 16.213 | 0.009 | AB |
| 2MASS_J | 1517.24 | 141.59 | 15.052 | 0.101 | Vega |
| 2MASS_H | 1609.12 | 259.26 | 14.516 | 0.175 | Vega |
| 2MASS_K | 1721.72 | 243.78 | 13.972 | 0.154 | Vega |
| WISE_W1 | 757.42 | 20.06 | 14.003 | 0.029 | Vega |
| WISE_W2 | 504.17 | 24.5 | 13.805 | 0.053 | Vega |
| WISE_W3 | 1866.83 | 102.12 | 10.548 | 0.059 | Vega |
| WISE_W4 | 2190.03 | 709.74 | 8.929 | 0.352 | Vega |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 9.037 | 9.343 | 9.555 |
| {\rm log}_{10}({\rm SFR}) | -1.191 | -0.254 | 0.508 |
| {\rm log}_{10}({\rm sSFR}) | -10.528 | -9.705 | -8.593 |
| {\rm stellar\ age} | 0.455 | 4.208 | 6.904 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -1.265 | -0.420 | 0.047 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -1.368 | -0.634 | 0.097 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.139 | 0.450 | 0.900 |
| \delta | -0.649 | -0.194 | 0.235 |
| \tau_1/\tau_2 | 0.683 | 1.091 | 1.476 |
| Q_{PAH} | 0.879 | 2.757 | 5.170 |
| U_{min} | 3.439 | 9.174 | 16.517 |
| {\rm log}_{10}(\gamma_e)\, | -3.020 | -1.720 | -0.502 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -3.027 | -1.146 | -0.326 |
| {\rm log}_{10}(\tau_{AGN})\, | 1.033 | 1.557 | 1.974 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -1.827 | -0.797 | -0.365 |
| 0.03-0.10 Gyr | -1.441 | -0.166 | 0.655 |
| 0.10-0.33 Gyr | -1.150 | -0.053 | 0.595 |
| 0.33-1.06 Gyr | -2.460 | -0.532 | 0.086 |
| 1.06-3.45 Gyr | -3.519 | -0.853 | -0.309 |
| 3.45-11.24 Gyr | -4.154 | -0.998 | -0.388 |
| 11.24-12.49 Gyr | -3.862 | -0.930 | -0.100 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 10.396 | 10.474 | 10.532 |
| {\rm log}_{10}({\rm SFR}) | -0.066 | 0.397 | 0.860 |
| {\rm log}_{10}({\rm sSFR}) | -10.527 | -10.036 | -9.580 |
| {\rm stellar\ age} | 4.709 | 6.036 | 7.136 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -0.432 | -0.240 | -0.109 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -0.085 | 0.128 | 0.307 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.156 | 0.245 | 0.387 |
| \delta | -0.893 | -0.659 | -0.289 |
| \tau_1/\tau_2 | 0.716 | 1.056 | 1.383 |
| Q_{PAH} | 0.671 | 1.670 | 3.463 |
| U_{min} | 2.454 | 7.237 | 13.792 |
| {\rm log}_{10}(\gamma_e)\, | -2.459 | -1.549 | -0.735 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -4.184 | -3.028 | -1.928 |
| {\rm log}_{10}(\tau_{AGN})\, | 1.105 | 1.605 | 1.968 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -0.024 | 0.189 | 0.398 |
| 0.03-0.10 Gyr | -0.162 | 0.460 | 0.985 |
| 0.10-0.33 Gyr | 0.062 | 0.611 | 0.921 |
| 0.33-1.06 Gyr | 0.218 | 0.577 | 0.797 |
| 1.06-3.45 Gyr | 0.321 | 0.623 | 0.877 |
| 3.45-11.24 Gyr | 0.267 | 0.540 | 0.692 |
| 11.24-12.49 Gyr | -0.090 | 0.506 | 0.944 |