| Name: | AT2025ahsg |
| Right ascension: | 4h59m55.91s |
| Declination: | -25d59m42.38s |
| Discovery Date: | Dec. 20, 2025, 7:02 a.m. |
| Classification: | None |
| Redshift: | None |
| MW E(B-V): | 0.035 |
| Name: | |
| Right ascension: | 4h59m57.71s |
| Declination: | -26d01m17.92s |
| Redshift: | None |
| Photometric Redshift: | 0.004 |
| 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 DES_g DES_r DES_z |
SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g DES_i DES_Y |
| Task Name | Status | Time (s) |
|---|---|---|
| Cutout download | processed | 7.65 |
| Transient MWEBV | processed | 0.13 |
| Host match | processed | 7.81 |
| Host information | processed | 0.15 |
| Host MWEBV | processed | 0.04 |
| Global aperture construction | processed | 9.93 |
| Global aperture photometry | processed | 6.57 |
| Validate global photometry | processed | 5.12 |
| Global host SED inference | processed | 402.06 |
| Local aperture photometry | processed | 5.31 |
| Validate local photometry | processed | 0.03 |
| Local host SED inference | processed | 392.46 |
| RA, DEC (J2000): | 4h59m55.91s, -25d59m42.38s |
| semi major axis, semi minor axis (arcsec): | 25.55, 25.55 |
| angle (degrees, anti-clockwise from east): | 0.0 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| GALEX_FUV | 217.37 | 5.8 | 18.057 | 0.029 | AB |
| GALEX_NUV | 240.73 | 5.83 | 17.946 | 0.026 | AB |
| DES_g | 1834.52 | 4.86 | 15.741 | 0.003 | AB |
| PanSTARRS_g | 1574.72 | 8.7 | 15.907 | 0.006 | AB |
| PanSTARRS_r | 2026.53 | 15.33 | 15.633 | 0.008 | AB |
| DES_r | 2578.08 | 6.64 | 15.372 | 0.003 | AB |
| PanSTARRS_i | 2601.69 | 11.45 | 15.362 | 0.005 | AB |
| PanSTARRS_z | 2459.98 | 32.49 | 15.423 | 0.014 | AB |
| DES_z | 3320.54 | 11.35 | 15.097 | 0.004 | AB |
| PanSTARRS_y | 2545.65 | 50.06 | 15.386 | 0.021 | AB |
| 2MASS_J | 3291.01 | 573.02 | 14.212 | 0.189 | Vega |
| 2MASS_H | 1635.01 | 909.15 | 14.499 | 0.604 | Vega |
| 2MASS_K | 488.94 | 1183.42 | 15.339 | 2.628 | Vega |
| WISE_W1 | 1445.75 | 131.9 | 13.301 | 0.099 | Vega |
| WISE_W2 | 598.19 | 100.75 | 13.619 | 0.183 | Vega |
| WISE_W3 | 1618.96 | 248.53 | 10.703 | 0.167 | Vega |
| WISE_W4 | 1848.25 | 988.32 | 9.113 | 0.581 | Vega |
| RA, DEC (J2000): | 4h59m57.74s, -26d01m19.92s |
| semi major axis, semi minor axis (arcsec): | 8.41, 6.14 |
| angle (degrees, anti-clockwise from east): | 161.45 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| GALEX_FUV | 71.42 | 3.07 | 19.265 | 0.047 | AB |
| GALEX_NUV | 115.58 | 3.86 | 18.743 | 0.036 | AB |
| DES_r | 2179.57 | 7.99 | 15.554 | 0.004 | AB |
| WISE_W1 | 983.73 | 117.7 | 13.719 | 0.130 | Vega |
| WISE_W2 | 579.04 | 85.81 | 13.654 | 0.161 | Vega |
| WISE_W3 | 1372.38 | 195.47 | 10.882 | 0.155 | Vega |
| WISE_W4 | 2294.48 | 820.76 | 8.878 | 0.388 | Vega |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 8.011 | 8.116 | 8.193 |
| {\rm log}_{10}({\rm SFR}) | -2.239 | -2.025 | -1.786 |
| {\rm log}_{10}({\rm sSFR}) | -10.388 | -10.136 | -9.875 |
| {\rm stellar\ age} | 5.755 | 7.084 | 8.124 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -1.600 | -1.307 | -0.977 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -1.297 | -1.171 | -1.029 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.161 | 0.284 | 0.428 |
| \delta | -0.188 | 0.036 | 0.251 |
| \tau_1/\tau_2 | 0.601 | 0.890 | 1.164 |
| Q_{PAH} | 0.419 | 1.091 | 2.182 |
| U_{min} | 3.062 | 7.982 | 14.504 |
| {\rm log}_{10}(\gamma_e)\, | -2.899 | -2.136 | -1.330 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -4.427 | -3.168 | -1.980 |
| {\rm log}_{10}(\tau_{AGN})\, | 0.987 | 1.474 | 1.927 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -2.090 | -1.960 | -1.820 |
| 0.03-0.10 Gyr | -2.375 | -2.047 | -1.749 |
| 0.10-0.33 Gyr | -2.473 | -2.088 | -1.733 |
| 0.33-1.10 Gyr | -2.426 | -1.998 | -1.688 |
| 1.10-3.66 Gyr | -2.132 | -1.842 | -1.632 |
| 3.66-12.16 Gyr | -2.037 | -1.790 | -1.641 |
| 12.16-13.51 Gyr | -2.302 | -1.801 | -1.380 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 7.988 | 8.128 | 8.235 |
| {\rm log}_{10}({\rm SFR}) | -2.925 | -2.488 | -2.143 |
| {\rm log}_{10}({\rm sSFR}) | -11.089 | -10.642 | -10.249 |
| {\rm stellar\ age} | 5.404 | 7.150 | 8.483 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -1.484 | -1.086 | -0.648 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -1.519 | -0.611 | 0.186 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.113 | 0.213 | 0.360 |
| \delta | -0.721 | -0.374 | 0.001 |
| \tau_1/\tau_2 | 0.570 | 0.926 | 1.263 |
| Q_{PAH} | 0.355 | 1.061 | 2.297 |
| U_{min} | 3.267 | 8.484 | 15.225 |
| {\rm log}_{10}(\gamma_e)\, | -2.337 | -1.545 | -0.802 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -4.339 | -3.188 | -1.840 |
| {\rm log}_{10}(\tau_{AGN})\, | 1.036 | 1.515 | 1.926 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -3.149 | -2.546 | -2.189 |
| 0.03-0.10 Gyr | -3.052 | -2.502 | -2.080 |
| 0.10-0.33 Gyr | -2.678 | -2.167 | -1.753 |
| 0.33-1.10 Gyr | -2.500 | -1.931 | -1.528 |
| 1.10-3.66 Gyr | -2.297 | -1.890 | -1.654 |
| 3.66-12.16 Gyr | -2.147 | -1.786 | -1.602 |
| 12.16-13.51 Gyr | -2.394 | -1.773 | -1.276 |