| Name: | AT2025alva |
| Right ascension: | 2h28m41.13s |
| Declination: | -24d24m09.40s |
| Discovery Date: | Dec. 27, 2025, 5:24 a.m. |
| Classification: | None |
| Redshift: | None |
| MW E(B-V): | |
| Name: | |
| Right ascension: | 2h28m41.38s |
| Declination: | -24d24m05.54s |
| Redshift: | None |
| Photometric Redshift: | 0.123 |
| 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_r DES_z |
SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g DES_g DES_i DES_Y |
| Task Name | Status | Time (s) |
|---|---|---|
| Cutout download | processed | 7.02 |
| Transient MWEBV | processed | 0.04 |
| Host match | processed | 6.17 |
| Host information | processed | 0.16 |
| Host MWEBV | processed | 0.1 |
| Global aperture construction | processed | 0.63 |
| Global aperture photometry | processed | 4.72 |
| Validate global photometry | processed | 13.63 |
| Global host SED inference | processed | 419.2 |
| Local aperture photometry | processed | 4.56 |
| Validate local photometry | no valid phot | 0.02 |
| Local host SED inference | not processed | None |
Data not available
| RA, DEC (J2000): | 2h28m41.36s, -24d24m05.39s |
| semi major axis, semi minor axis (arcsec): | 8.55, 7.77 |
| angle (degrees, anti-clockwise from east): | -124.59 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| GALEX_FUV | 24.47 | 4.35 | 20.429 | 0.193 | AB |
| GALEX_NUV | 23.92 | 0.91 | 20.453 | 0.042 | AB |
| PanSTARRS_g | 300.55 | 2.04 | 17.705 | 0.007 | AB |
| PanSTARRS_r | 541.6 | 2.94 | 17.066 | 0.006 | AB |
| DES_r | 610.5 | 0.92 | 16.936 | 0.002 | AB |
| PanSTARRS_i | 771.24 | 2.39 | 16.682 | 0.003 | AB |
| PanSTARRS_z | 925.43 | 6.15 | 16.484 | 0.007 | AB |
| DES_z | 1008.8 | 3.68 | 16.390 | 0.004 | AB |
| PanSTARRS_y | 1105.93 | 15.47 | 16.291 | 0.015 | AB |
| 2MASS_J | 1478.78 | 233.79 | 15.080 | 0.172 | Vega |
| 2MASS_H | 897.69 | 327.52 | 15.150 | 0.396 | Vega |
| 2MASS_K | 1136.0 | 407.47 | 14.424 | 0.389 | Vega |
| WISE_W1 | 593.58 | 17.04 | 14.267 | 0.031 | Vega |
| WISE_W2 | 342.83 | 20.58 | 14.223 | 0.065 | Vega |
| WISE_W3 | 428.51 | 69.43 | 12.146 | 0.176 | Vega |
| WISE_W4 | 583.62 | 405.77 | 10.365 | 0.755 | Vega |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 10.758 | 10.801 | 10.852 |
| {\rm log}_{10}({\rm SFR}) | -0.225 | 0.048 | 0.340 |
| {\rm log}_{10}({\rm sSFR}) | -11.023 | -10.754 | -10.454 |
| {\rm stellar\ age} | 6.863 | 7.492 | 9.227 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -0.734 | -0.594 | -0.502 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -0.738 | 0.176 | 0.403 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.055 | 0.096 | 0.160 |
| \delta | -0.776 | -0.444 | -0.114 |
| \tau_1/\tau_2 | 0.638 | 1.011 | 1.382 |
| Q_{PAH} | 0.566 | 1.733 | 3.852 |
| U_{min} | 2.348 | 7.576 | 15.164 |
| {\rm log}_{10}(\gamma_e)\, | -2.239 | -1.279 | -0.436 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -4.464 | -3.427 | -2.383 |
| {\rm log}_{10}(\tau_{AGN})\, | 1.192 | 1.697 | 2.011 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -0.669 | -0.258 | -0.059 |
| 0.03-0.10 Gyr | -0.230 | 0.127 | 0.479 |
| 0.10-0.32 Gyr | -0.168 | 0.215 | 0.492 |
| 0.32-1.05 Gyr | -0.299 | 0.156 | 0.452 |
| 1.05-3.39 Gyr | -0.259 | 0.367 | 0.728 |
| 3.39-10.96 Gyr | 0.783 | 1.000 | 1.096 |
| 10.96-12.18 Gyr | 0.677 | 1.162 | 1.742 |