| Name: | SN2025yyn |
| Right ascension: | 9h54m16.55s |
| Declination: | 68d19m56.29s |
| Discovery Date: | Sept. 30, 2025, 11:27 a.m. |
| Classification: | SN IIb |
| Redshift: | 0.014630 |
| MW E(B-V): | 0.093 |
| Name: | |
| Right ascension: | 9h54m21.85s |
| Declination: | 68d19m56.77s |
| Redshift: | None |
| Photometric Redshift: | 0.010 |
| 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 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 | 15.64 |
| Transient MWEBV | processed | 0.04 |
| Host match | processed | 6.15 |
| Host information | processed | 0.11 |
| Host MWEBV | processed | 0.04 |
| Global aperture construction | processed | 0.63 |
| Global aperture photometry | processed | 5.01 |
| Validate global photometry | processed | 14.02 |
| Global host SED inference | processed | 480.92 |
| Local aperture photometry | processed | 5.05 |
| Validate local photometry | processed | 0.02 |
| Local host SED inference | processed | 450.67 |
| RA, DEC (J2000): | 9h54m16.55s, 68d19m56.29s |
| semi major axis, semi minor axis (arcsec): | 6.7, 6.7 |
| 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 | 23.6 | 0.49 | 20.468 | 0.023 | AB |
| GALEX_NUV | 24.44 | 0.7 | 20.430 | 0.031 | AB |
| SDSS_u | 76.66 | 6.44 | 19.189 | 0.091 | AB |
| SDSS_g | 166.6 | 4.82 | 18.346 | 0.031 | AB |
| PanSTARRS_g | 218.77 | 2.45 | 18.050 | 0.012 | AB |
| SDSS_r | 233.71 | 6.86 | 17.978 | 0.032 | AB |
| PanSTARRS_r | 362.14 | 3.89 | 17.503 | 0.012 | AB |
| SDSS_i | 320.65 | 9.17 | 17.635 | 0.031 | AB |
| PanSTARRS_i | 437.9 | 2.89 | 17.297 | 0.007 | AB |
| PanSTARRS_z | 506.12 | 6.07 | 17.139 | 0.013 | AB |
| SDSS_z | 265.7 | 25.7 | 17.839 | 0.105 | AB |
| PanSTARRS_y | 637.15 | 12.44 | 16.889 | 0.021 | AB |
| 2MASS_J | 724.27 | 159.56 | 15.855 | 0.239 | Vega |
| 2MASS_H | 587.99 | 275.85 | 15.609 | 0.509 | Vega |
| 2MASS_K | 744.32 | 243.85 | 14.883 | 0.356 | Vega |
| WISE_W1 | 64.03 | 29.15 | 16.685 | 0.494 | Vega |
| WISE_W2 | 46.55 | 34.73 | 16.391 | 0.810 | Vega |
| RA, DEC (J2000): | 9h54m21.90s, 68d19m55.96s |
| semi major axis, semi minor axis (arcsec): | 28.37, 23.71 |
| angle (degrees, anti-clockwise from east): | -25.01 |
| Filter | Flux {\rm (\mu Jy)} | Flux error {\rm (\mu Jy)} | Mag | Mag error | Mag sys |
|---|---|---|---|---|---|
| GALEX_FUV | 227.22 | 1.98 | 18.009 | 0.009 | AB |
| SDSS_g | 3668.89 | 20.44 | 14.989 | 0.006 | AB |
| PanSTARRS_g | 4794.96 | 9.55 | 14.698 | 0.002 | AB |
| SDSS_i | 9394.64 | 40.4 | 13.968 | 0.005 | AB |
| PanSTARRS_z | 14070.41 | 24.33 | 13.529 | 0.002 | AB |
| PanSTARRS_y | 16276.28 | 49.93 | 13.371 | 0.003 | AB |
| 2MASS_J | 19383.04 | 621.27 | 12.287 | 0.035 | Vega |
| 2MASS_H | 23014.95 | 1072.89 | 11.627 | 0.051 | Vega |
| WISE_W1 | 10520.11 | 158.18 | 11.146 | 0.016 | Vega |
| WISE_W4 | 21928.46 | 2598.55 | 6.427 | 0.129 | Vega |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 8.570 | 8.726 | 8.844 |
| {\rm log}_{10}({\rm SFR}) | -1.393 | -0.920 | -0.596 |
| {\rm log}_{10}({\rm sSFR}) | -10.134 | -9.704 | -9.247 |
| {\rm stellar\ age} | 5.139 | 7.264 | 8.760 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -1.510 | -0.993 | -0.479 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -1.187 | -0.283 | 0.010 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.352 | 0.910 | 1.239 |
| \delta | 0.105 | 0.262 | 0.351 |
| \tau_1/\tau_2 | 0.750 | 1.082 | 1.417 |
| Q_{PAH} | 0.353 | 1.243 | 3.117 |
| U_{min} | 2.729 | 7.726 | 14.690 |
| {\rm log}_{10}(\gamma_e)\, | -3.393 | -2.402 | -1.270 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -4.239 | -2.637 | -0.759 |
| {\rm log}_{10}(\tau_{AGN})\, | 0.980 | 1.337 | 1.804 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -1.360 | -0.934 | -0.630 |
| 0.03-0.10 Gyr | -1.491 | -0.956 | -0.566 |
| 0.10-0.33 Gyr | -1.994 | -1.289 | -0.799 |
| 0.33-1.10 Gyr | -2.294 | -1.510 | -1.087 |
| 1.10-3.63 Gyr | -2.106 | -1.409 | -1.112 |
| 3.63-12.02 Gyr | -1.662 | -1.211 | -1.010 |
| 12.02-13.36 Gyr | -1.797 | -1.142 | -0.580 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(M_{\ast}/M_{\odot})\, | 10.108 | 10.163 | 10.242 |
| {\rm log}_{10}({\rm SFR}) | -0.689 | -0.314 | 0.044 |
| {\rm log}_{10}({\rm sSFR}) | -10.883 | -10.495 | -10.094 |
| {\rm stellar\ age} | 7.673 | 8.653 | 11.613 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(Z_{\ast}/Z_{\odot}) | -0.356 | -0.221 | -0.086 |
| {\rm log}_{10}(Z_{gas}/Z_{\odot})\, | -1.325 | -0.692 | -0.322 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| \tau_2 | 0.067 | 0.126 | 0.214 |
| \delta | -0.875 | -0.579 | -0.194 |
| \tau_1/\tau_2 | 0.611 | 1.005 | 1.455 |
| Q_{PAH} | 0.489 | 2.123 | 4.599 |
| U_{min} | 2.318 | 6.964 | 13.995 |
| {\rm log}_{10}(\gamma_e)\, | -3.229 | -2.085 | -0.981 |
| Parameter | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| {\rm log}_{10}(f_{AGN})\, | -3.967 | -2.270 | -1.389 |
| {\rm log}_{10}(\tau_{AGN})\, | 1.091 | 1.479 | 1.933 |
| Lookback time | Lower (16%) | Median (50%) | Upper (84%) |
|---|---|---|---|
| 0.00-0.03 Gyr | -1.073 | -0.597 | -0.301 |
| 0.03-0.10 Gyr | -0.903 | -0.242 | 0.181 |
| 0.10-0.33 Gyr | -1.247 | -0.468 | -0.020 |
| 0.33-1.10 Gyr | -1.585 | -0.687 | -0.245 |
| 1.10-3.63 Gyr | -1.388 | -0.503 | -0.038 |
| 3.63-12.02 Gyr | -0.316 | 0.258 | 0.378 |
| 12.02-13.36 Gyr | 0.143 | 0.660 | 1.280 |