| Name: | AT2025syk |
| Right ascension: | 21h12m07.54s |
| Declination: | 17d17m10.03s |
| Discovery Date: | July 31, 2025, 7:19 a.m. |
| Classification: | None |
| Redshift: | None |
| MW E(B-V): | 0.099 |
| Name: | J211209.13+171718.65 |
| Right ascension: | 21h12m09.13s |
| Declination: | 17d17m18.65s |
| Redshift: | None |
| Photometric Redshift: | 0.059 |
| Downloadable | Unavailable |
|---|---|
|
2MASS_H
2MASS_J 2MASS_K WISE_W1 WISE_W2 WISE_W3 WISE_W4 GALEX_NUV 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_FUV DES_i DES_Y |
| Task Name | Status | Time (s) |
|---|---|---|
| Cutout download | processed | 25.77 |
| Transient MWEBV | processed | 0.04 |
| Host match | processed | 7.51 |
| Host information | processed | 0.26 |
| Host MWEBV | processed | 0.03 |
| Host spectrum download | not processed | None |
| Global aperture construction | processed | 3.48 |
| Global aperture photometry | processed | 6.81 |
| Validate global photometry | processed | 18.29 |
| Global host SED inference | processed | 798.09 |
| Local aperture photometry | processed | 7.53 |
| Validate local photometry | processed | 0.02 |
| Local host SED inference | processed | 639.82 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 6.965 | 7.380 | 7.990 |
| {\rm log}_{10}({\rm SFR}) | -1.250 | -0.914 | -0.548 |
| {\rm log}_{10}({\rm sSFR}) | -8.958 | -8.035 | -7.961 |
| {\rm stellar\ age} | 0.016 | 0.663 | 7.062 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -0.986 | -0.396 | 0.031 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -1.258 | -0.640 | -0.082 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 2.029 | 2.611 | 3.295 |
| \delta | 0.197 | 0.298 | 0.367 |
| \tau_1/\tau_2 | 0.604 | 0.991 | 1.415 |
| Q_{PAH} | 0.673 | 2.426 | 5.231 |
| U_{min} | 3.276 | 9.735 | 17.775 |
| {\rm log}_{10}(\gamma_e)\, | -3.349 | -2.218 | -0.892 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -3.202 | -0.772 | 0.116 |
| {\rm log}_{10}(\tau_{AGN})\, | 0.998 | 1.434 | 1.929 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -0.935 | -0.513 | -0.133 |
| 0.03-0.10 Gyr | -4.280 | -2.438 | -0.996 |
| 0.10-0.33 Gyr | -6.815 | -4.054 | -2.039 |
| 0.33-1.08 Gyr | -8.426 | -4.787 | -2.440 |
| 1.08-3.55 Gyr | -9.027 | -5.036 | -2.406 |
| 3.55-11.68 Gyr | -9.374 | -4.728 | -2.120 |
| 11.68-12.98 Gyr | -9.744 | -4.580 | -1.874 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 9.735 | 9.902 | 10.013 |
| {\rm log}_{10}({\rm SFR}) | 0.023 | 0.257 | 0.538 |
| {\rm log}_{10}({\rm sSFR}) | -9.935 | -9.640 | -9.212 |
| {\rm stellar\ age} | 5.509 | 7.001 | 8.223 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | 0.044 | 0.130 | 0.175 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -1.393 | -1.297 | -1.184 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 1.032 | 1.197 | 1.371 |
| \delta | -0.027 | 0.150 | 0.284 |
| \tau_1/\tau_2 | 0.344 | 0.624 | 0.944 |
| Q_{PAH} | 0.086 | 0.300 | 0.672 |
| U_{min} | 4.100 | 9.894 | 16.772 |
| {\rm log}_{10}(\gamma_e)\, | -1.991 | -1.495 | -1.145 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -3.094 | -2.283 | -1.915 |
| {\rm log}_{10}(\tau_{AGN})\, | 0.803 | 0.937 | 1.200 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | 0.368 | 0.536 | 0.706 |
| 0.03-0.10 Gyr | -0.671 | 0.030 | 0.473 |
| 0.10-0.33 Gyr | -1.021 | -0.287 | 0.140 |
| 0.33-1.08 Gyr | -1.148 | -0.452 | -0.052 |
| 1.08-3.55 Gyr | -0.705 | -0.186 | 0.161 |
| 3.55-11.68 Gyr | -0.372 | -0.016 | 0.174 |
| 11.68-12.98 Gyr | -0.568 | 0.008 | 0.521 |
| RA, DEC (J2000): | 21h12m07.54s, 17d17m10.03s |
| semi major axis, semi minor axis (arcsec): | 1.76, 1.76 |
| angle (degrees, anti-clockwise from east): | 0.0 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| SDSS_u | 0.88 | 1.23 | 24.034 | 1.512 | AB |
| SDSS_g | 0.88 | 0.58 | 24.037 | 0.711 | AB |
| DES_g | 0.63 | 0.11 | 24.396 | 0.184 | AB |
| PanSTARRS_g | 0.87 | 0.4 | 24.051 | 0.496 | AB |
| SDSS_r | 0.56 | 0.77 | 24.539 | 1.512 | AB |
| PanSTARRS_r | 0.49 | 0.44 | 24.675 | 0.984 | AB |
| DES_r | 0.9 | 0.23 | 24.018 | 0.278 | AB |
| SDSS_i | 2.16 | 1.24 | 23.062 | 0.621 | AB |
| PanSTARRS_i | 0.04 | 0.64 | 27.380 | 17.273 | AB |
| PanSTARRS_z | 0.05 | 1.23 | 27.110 | 25.686 | AB |
| SDSS_z | 1.28 | 4.25 | 23.628 | 3.596 | AB |
| DES_z | -0.04 | 0.7 | AB | ||
| PanSTARRS_y | -1.81 | 3.33 | AB |
| RA, DEC (J2000): | 21h12m08.86s, 17d17m16.49s |
| semi major axis, semi minor axis (arcsec): | 7.67, 3.29 |
| angle (degrees, anti-clockwise from east): | -138.07 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| GALEX_NUV | 6.63 | 1.86 | 21.846 | 0.305 | AB |
| SDSS_u | 29.54 | 3.67 | 20.224 | 0.135 | AB |
| SDSS_g | 55.77 | 2.34 | 19.534 | 0.045 | AB |
| DES_g | 208.67 | 0.7 | 18.101 | 0.004 | AB |
| PanSTARRS_g | 59.35 | 1.14 | 19.466 | 0.021 | AB |
| SDSS_r | 118.62 | 3.44 | 18.715 | 0.031 | AB |
| PanSTARRS_r | 130.13 | 1.27 | 18.614 | 0.011 | AB |
| DES_r | 506.67 | 2.24 | 17.138 | 0.005 | AB |
| SDSS_i | 172.41 | 4.67 | 18.309 | 0.029 | AB |
| PanSTARRS_i | 183.34 | 1.82 | 18.242 | 0.011 | AB |
| PanSTARRS_z | 261.23 | 3.52 | 17.857 | 0.015 | AB |
| SDSS_z | 259.92 | 12.63 | 17.863 | 0.053 | AB |
| DES_z | 985.48 | 7.61 | 16.416 | 0.008 | AB |
| PanSTARRS_y | 290.74 | 9.36 | 17.741 | 0.035 | AB |
| 2MASS_J | 700.23 | 128.85 | 15.892 | 0.200 | Vega |
| 2MASS_H | 730.77 | 169.91 | 15.373 | 0.252 | Vega |
| 2MASS_K | 708.82 | 228.44 | 14.936 | 0.350 | Vega |
| WISE_W1 | 843.48 | 17.58 | 13.886 | 0.023 | Vega |
| WISE_W2 | 564.31 | 21.43 | 13.682 | 0.041 | Vega |
| WISE_W3 | 763.57 | 73.51 | 11.519 | 0.105 | Vega |
| WISE_W4 | 585.4 | 496.39 | 10.361 | 0.921 | Vega |