| Name: | AT2025ackc |
| Right ascension: | 2h21m39.40s |
| Declination: | 4d35m21.53s |
| Discovery Date: | Oct. 18, 2025, 4:29 p.m. |
| Classification: | None |
| Redshift: | None |
| MW E(B-V): | 0.027 |
| Name: | J022139.40+043521.98 |
| Right ascension: | 2h21m39.40s |
| Declination: | 4d35m21.98s |
| Redshift: | None |
| Photometric Redshift: | 0.198 |
| Downloadable | 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 SDSS_i SDSS_u DES_g DES_r DES_z |
SDSS_r SDSS_z SDSS_g DES_i DES_Y |
| Task Name | Status | Time (s) |
|---|---|---|
| Cutout download | processed | 10.83 |
| Transient MWEBV | processed | 0.04 |
| Host match | processed | 5.4 |
| Host information | processed | 0.16 |
| Host MWEBV | processed | 0.04 |
| Host spectrum download | not processed | None |
| Global aperture construction | processed | 0.64 |
| Global aperture photometry | processed | 6.53 |
| Validate global photometry | processed | 15.91 |
| Global host SED inference | processed | 431.36 |
| Local aperture photometry | processed | 6.14 |
| Validate local photometry | no valid phot | 0.03 |
| Local host SED inference | not processed | None |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 10.051 | 10.240 | 10.382 |
| {\rm log}_{10}({\rm SFR}) | 0.642 | 0.940 | 1.279 |
| {\rm log}_{10}({\rm sSFR}) | -9.702 | -9.288 | -8.830 |
| {\rm stellar\ age} | 0.586 | 1.701 | 3.858 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -0.439 | -0.130 | 0.063 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -0.102 | 0.002 | 0.115 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.159 | 0.232 | 0.315 |
| \delta | -0.891 | -0.687 | -0.386 |
| \tau_1/\tau_2 | 0.383 | 0.740 | 1.121 |
| Q_{PAH} | 0.353 | 0.927 | 1.899 |
| U_{min} | 2.267 | 6.582 | 13.413 |
| {\rm log}_{10}(\gamma_e)\, | -3.600 | -2.885 | -1.715 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -4.146 | -2.952 | -1.910 |
| {\rm log}_{10}(\tau_{AGN})\, | 1.036 | 1.501 | 1.929 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | 0.997 | 1.149 | 1.284 |
| 0.03-0.10 Gyr | -0.048 | 0.774 | 1.300 |
| 0.10-0.32 Gyr | 0.333 | 1.095 | 1.550 |
| 0.32-1.01 Gyr | 0.186 | 1.134 | 1.431 |
| 1.01-3.21 Gyr | -1.661 | 0.039 | 0.707 |
| 3.21-10.20 Gyr | -2.608 | -0.555 | 0.247 |
| 10.20-11.33 Gyr | -2.788 | -0.653 | 0.314 |
Data not available
| RA, DEC (J2000): | 2h21m39.40s, 4d35m22.26s |
| semi major axis, semi minor axis (arcsec): | 6.56, 4.96 |
| angle (degrees, anti-clockwise from east): | -128.59 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| GALEX_NUV | 23.88 | 1.75 | 20.455 | 0.079 | AB |
| PanSTARRS_r | 276.18 | 1.59 | 17.797 | 0.006 | AB |
| SDSS_i | 386.99 | 6.49 | 17.431 | 0.018 | AB |
| PanSTARRS_i | 381.34 | 1.54 | 17.447 | 0.004 | AB |
| DES_z | 294.35 | 2.37 | 17.728 | 0.009 | AB |
| PanSTARRS_y | 504.66 | 9.25 | 17.143 | 0.020 | AB |
| 2MASS_H | 557.02 | 251.75 | 15.668 | 0.491 | Vega |
| 2MASS_K | 156.26 | 253.6 | 16.578 | 1.762 | Vega |
| WISE_W1 | 260.93 | 19.72 | 15.160 | 0.082 | Vega |
| WISE_W2 | 234.95 | 22.82 | 14.634 | 0.105 | Vega |
| WISE_W3 | 603.63 | 59.4 | 11.774 | 0.107 | Vega |
| WISE_W4 | 755.26 | 428.19 | 10.085 | 0.616 | Vega |