| Name: | AT2026ddr |
| Right ascension: | 18h56m49.79s |
| Declination: | 69d11m21.37s |
| Discovery Date: | Feb. 1, 2026, 12:49 p.m. |
| Classification: | None |
| Redshift: | None |
| MW E(B-V): | 0.052 |
| Name: | |
| Right ascension: | 18h56m49.41s |
| Declination: | 69d11m19.52s |
| Redshift: | None |
| Photometric Redshift: | 0.074 |
| 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 |
GALEX_NUV GALEX_FUV 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 | 4.09 |
| Transient MWEBV | processed | 0.04 |
| Host match | processed | 5.51 |
| Host information | processed | 0.17 |
| Host MWEBV | processed | 0.05 |
| Global aperture construction | processed | 0.62 |
| Global aperture photometry | processed | 3.62 |
| Validate global photometry | processed | 10.24 |
| Global host SED inference | processed | 468.32 |
| Local aperture photometry | processed | 3.92 |
| Validate local photometry | processed | 0.02 |
| Local host SED inference | processed | 421.45 |
| RA, DEC (J2000): | 18h56m49.79s, 69d11m21.37s |
| semi major axis, semi minor axis (arcsec): | 1.43, 1.43 |
| 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 | 8.37 | 0.38 | 21.593 | 0.049 | AB |
| PanSTARRS_r | 15.68 | 0.47 | 20.911 | 0.032 | AB |
| PanSTARRS_i | 18.27 | 0.4 | 20.746 | 0.024 | AB |
| PanSTARRS_z | 20.9 | 0.97 | 20.600 | 0.050 | AB |
| PanSTARRS_y | 23.35 | 3.06 | 20.479 | 0.142 | AB |
| RA, DEC (J2000): | 18h56m49.37s, 69d11m19.64s |
| semi major axis, semi minor axis (arcsec): | 5.65, 4.02 |
| angle (degrees, anti-clockwise from east): | -130.01 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| PanSTARRS_g | 82.67 | 1.25 | 19.107 | 0.016 | AB |
| PanSTARRS_r | 144.13 | 1.55 | 18.503 | 0.012 | AB |
| PanSTARRS_i | 184.33 | 1.33 | 18.236 | 0.008 | AB |
| PanSTARRS_z | 206.43 | 3.19 | 18.113 | 0.017 | AB |
| PanSTARRS_y | 208.99 | 9.99 | 18.100 | 0.052 | AB |
| 2MASS_J | 246.36 | 129.27 | 17.026 | 0.570 | Vega |
| 2MASS_H | 311.06 | 172.01 | 16.300 | 0.600 | Vega |
| 2MASS_K | 422.39 | 234.86 | 15.498 | 0.604 | Vega |
| WISE_W1 | 107.48 | 14.34 | 16.123 | 0.145 | Vega |
| WISE_W2 | 81.45 | 11.08 | 15.784 | 0.148 | Vega |
| WISE_W3 | 102.45 | 25.32 | 13.700 | 0.268 | Vega |
| WISE_W4 | 193.58 | 127.31 | 11.563 | 0.714 | Vega |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 8.534 | 8.670 | 8.796 |
| {\rm log}_{10}({\rm SFR}) | -2.095 | -1.493 | -0.786 |
| {\rm log}_{10}({\rm sSFR}) | -10.804 | -10.197 | -9.487 |
| {\rm stellar\ age} | 4.577 | 6.816 | 8.028 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -1.478 | -0.950 | -0.338 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -1.527 | -0.728 | 0.111 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.157 | 0.440 | 1.060 |
| \delta | -0.413 | 0.004 | 0.272 |
| \tau_1/\tau_2 | 0.656 | 1.032 | 1.399 |
| Q_{PAH} | 1.072 | 2.750 | 4.911 |
| U_{min} | 3.075 | 8.600 | 15.421 |
| {\rm log}_{10}(\gamma_e)\, | -2.659 | -1.640 | -0.677 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -1.211 | -0.203 | 0.182 |
| {\rm log}_{10}(\tau_{AGN})\, | 1.054 | 1.438 | 1.929 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -2.416 | -1.746 | -1.076 |
| 0.03-0.10 Gyr | -2.183 | -1.463 | -0.729 |
| 0.10-0.33 Gyr | -2.211 | -1.534 | -0.836 |
| 0.33-1.07 Gyr | -2.244 | -1.537 | -1.025 |
| 1.07-3.51 Gyr | -1.964 | -1.348 | -1.096 |
| 3.51-11.51 Gyr | -1.723 | -1.234 | -1.049 |
| 11.51-12.78 Gyr | -1.982 | -1.221 | -0.697 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 9.572 | 9.677 | 9.779 |
| {\rm log}_{10}({\rm SFR}) | -2.029 | -1.235 | -0.639 |
| {\rm log}_{10}({\rm sSFR}) | -11.746 | -10.888 | -10.337 |
| {\rm stellar\ age} | 6.150 | 7.562 | 10.399 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -1.515 | -1.187 | -0.826 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -1.727 | -0.838 | 0.185 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.051 | 0.138 | 0.266 |
| \delta | -0.624 | -0.164 | 0.203 |
| \tau_1/\tau_2 | 0.557 | 0.924 | 1.322 |
| Q_{PAH} | 0.963 | 2.227 | 4.125 |
| U_{min} | 3.333 | 8.914 | 16.112 |
| {\rm log}_{10}(\gamma_e)\, | -2.509 | -1.497 | -0.643 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -3.551 | -2.061 | -1.461 |
| {\rm log}_{10}(\tau_{AGN})\, | 0.968 | 1.376 | 1.802 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -2.462 | -1.407 | -0.986 |
| 0.03-0.10 Gyr | -2.415 | -1.217 | -0.534 |
| 0.10-0.33 Gyr | -2.301 | -1.117 | -0.497 |
| 0.33-1.07 Gyr | -2.737 | -1.140 | -0.532 |
| 1.07-3.51 Gyr | -1.705 | -0.570 | -0.132 |
| 3.51-11.51 Gyr | -0.914 | -0.219 | -0.046 |
| 11.51-12.78 Gyr | -0.883 | -0.051 | 0.759 |