2025afdy

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Information

Transient

Name: SN2025afdy
Right ascension: 14h17m59.40s
Declination: 26d24m52.65s
Discovery Date: Nov. 27, 2025, 3:11 p.m.
Classification: SN Ia
Redshift: 0.014744
MW E(B-V): 0.018

Host

Name: IC4397
Right ascension: 14h17m58.69s
Declination: 26d24m45.45s
Redshift: 0.014347
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.33
Transient MWEBV processed 0.12
Host match processed 4.96
Host information processed 0.04
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry failed 0.06
Validate global photometry not processed 16.7
Global host SED inference not processed 378.83
Local aperture photometry failed 0.01
Validate local photometry not processed 0.03
Local host SED inference not processed 438.94
 

Cutout Download Report

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:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 14h17m59.40s, 26d24m52.65s
semi major axis, semi minor axis (arcsec) = 6.83, 6.83
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 194.46 18.09 18.178 0.101 AB
GALEX_NUV 273.33 12.2 17.808 0.048 AB
SDSS_u 559.87 8.11 17.030 0.016 AB
SDSS_g 1329.84 9.81 16.091 0.008 AB
DES_g 1393.93 1.9 16.039 0.001 AB
PanSTARRS_g 1371.42 1.75 16.057 0.001 AB
SDSS_r 1989.66 12.36 15.653 0.007 AB
PanSTARRS_r 1917.76 2.44 15.693 0.001 AB
SDSS_i 2352.8 14.16 15.471 0.007 AB
PanSTARRS_i 2362.99 2.76 15.466 0.001 AB
PanSTARRS_z 2693.85 4.65 15.324 0.002 AB
SDSS_z 2707.02 25.73 15.319 0.010 AB
DES_z 2949.48 11.93 15.226 0.004 AB
PanSTARRS_y 3057.81 11.08 15.186 0.004 AB
2MASS_J 3641.62 134.28 14.102 0.040 Vega
2MASS_H 4249.13 184.53 13.462 0.047 Vega
2MASS_K 3317.51 209.48 13.260 0.069 Vega
WISE_W1 1265.03 46.12 13.446 0.040 Vega
WISE_W2 849.94 35.66 13.238 0.046 Vega
WISE_W3 3871.24 427.88 9.756 0.120 Vega

Aperture details

RA, DEC (J2000) = 14h17m58.68s, 26d24m47.78s
semi major axis, semi minor axis (arcsec) = 40.81, 28.76
angle (degrees, anti-clockwise from east) = -17.06

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1430.06 49.04 16.012 0.037 AB
GALEX_NUV 2082.29 35.6 15.604 0.019 AB
SDSS_g 14366.05 33.35 13.507 0.003 AB
SDSS_r 22344.35 43.74 13.027 0.002 AB
PanSTARRS_r 20645.72 11.37 13.113 0.001 AB
PanSTARRS_i 28133.58 13.2 12.777 0.001 AB
SDSS_z 31523.94 117.73 12.653 0.004 AB
DES_z 35752.11 42.31 12.517 0.001 AB
WISE_W1 23752.3 253.77 10.262 0.012 Vega
WISE_W2 15437.43 204.84 10.090 0.014 Vega
WISE_W3 90636.34 2716.06 6.333 0.033 Vega
WISE_W4 123443.1 8002.9 4.551 0.070 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.084 9.187 9.320
{\rm log}_{10}({\rm SFR}) -0.494 -0.222 0.026
{\rm log}_{10}({\rm sSFR}) -9.712 -9.425 -9.129
{\rm stellar\ age} 6.347 7.540 9.749

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.942 -0.568 -0.427
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.183 0.177 0.378

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.102 0.178 0.322
\delta -0.847 -0.565 -0.294
\tau_1/\tau_2 0.663 0.997 1.387
Q_{PAH} 0.186 0.618 1.849
U_{min} 2.577 8.099 15.158
{\rm log}_{10}(\gamma_e)\, -3.030 -1.976 -1.139

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.743 -2.447 -1.736
{\rm log}_{10}(\tau_{AGN})\, 1.062 1.481 1.835

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.596 -1.176 -0.971
0.03-0.10 Gyr -0.364 -0.073 0.182
0.10-0.33 Gyr -1.964 -0.867 -0.487
0.33-1.10 Gyr -2.487 -1.224 -0.876
1.10-3.63 Gyr -1.941 -1.042 -0.714
3.63-12.03 Gyr -1.172 -0.745 -0.583
12.03-13.36 Gyr -1.199 -0.571 0.120

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.165 10.280 10.408
{\rm log}_{10}({\rm SFR}) 0.226 0.613 0.906
{\rm log}_{10}({\rm sSFR}) -10.175 -9.690 -9.330
{\rm stellar\ age} 5.234 6.727 8.152

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.001 -0.613 -0.357
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.219 -0.451 0.055

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.317 0.515 0.741
\delta -0.289 -0.003 0.171
\tau_1/\tau_2 0.699 1.052 1.397
Q_{PAH} 1.097 1.978 3.463
U_{min} 2.302 6.976 14.140
{\rm log}_{10}(\gamma_e)\, -3.229 -2.119 -1.580

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.585 -1.896 -1.473
{\rm log}_{10}(\tau_{AGN})\, 1.168 1.628 1.949

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.561 -0.303 0.144
0.03-0.10 Gyr 0.327 0.748 1.059
0.10-0.33 Gyr 0.154 0.664 0.969
0.33-1.10 Gyr -0.158 0.343 0.625
1.10-3.63 Gyr -0.149 0.255 0.509
3.63-12.03 Gyr -0.013 0.321 0.505
12.03-13.36 Gyr -0.232 0.400 0.907