2025afzk

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Information

Transient

Name: SN2025afzk
Right ascension: 23h14m43.35s
Declination: 31d19m09.60s
Discovery Date: Dec. 8, 2025, 3:57 a.m.
Classification: SN IIb
Redshift: 0.023390
MW E(B-V): 0.072

Host

Name: PGC070793
Right ascension: 23h14m42.22s
Declination: 31d19m03.10s
Redshift: None
Photometric Redshift: 0.023
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 24.02
Transient MWEBV processed 0.04
Host match processed 4.43
Host information processed 0.13
Host MWEBV processed 0.07
Global aperture construction failed 0.05
Global aperture photometry not processed 6.9
Validate global photometry not processed 18.22
Global host SED inference not processed 406.55
Local aperture photometry failed 0.01
Validate local photometry not processed 0.03
Local host SED inference not processed 480.65
 

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) = 23h14m43.37s, 31d19m09.12s
semi major axis, semi minor axis (arcsec) = 4.34, 4.34
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 9.75 2.13 21.427 0.237 AB
SDSS_u 49.1 3.76 19.672 0.083 AB
DES_g 177.13 0.65 18.279 0.004 AB
PanSTARRS_g 178.58 0.94 18.270 0.006 AB
SDSS_r 272.73 4.67 17.811 0.019 AB
PanSTARRS_r 290.77 1.17 17.741 0.004 AB
DES_r 311.03 1.35 17.668 0.005 AB
SDSS_i 377.89 5.95 17.457 0.017 AB
PanSTARRS_i 375.9 1.35 17.462 0.004 AB
PanSTARRS_z 417.38 3.05 17.349 0.008 AB
SDSS_z 481.49 13.28 17.194 0.030 AB
DES_z 468.3 4.67 17.224 0.011 AB
PanSTARRS_y 511.17 8.28 17.129 0.018 AB
2MASS_J 606.71 95.25 16.048 0.170 Vega
2MASS_H 623.0 164.47 15.546 0.287 Vega
2MASS_K 738.09 166.42 14.892 0.245 Vega

Aperture details

RA, DEC (J2000) = 23h14m42.32s, 31d19m02.38s
semi major axis, semi minor axis (arcsec) = 31.4, 12.67
angle (degrees, anti-clockwise from east) = -108.56

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 92.1 7.11 18.989 0.084 AB
GALEX_NUV 169.82 2.26 18.325 0.014 AB
PanSTARRS_g 2284.95 4.22 15.503 0.002 AB
SDSS_r 3659.62 18.08 14.991 0.005 AB
PanSTARRS_r 3840.46 5.25 14.939 0.001 AB
DES_r 4090.01 5.11 14.871 0.001 AB
SDSS_i 5013.67 23.69 14.650 0.005 AB
PanSTARRS_i 5113.98 6.08 14.628 0.001 AB
PanSTARRS_y 7026.1 37.01 14.283 0.006 AB
2MASS_J 8572.55 442.28 13.172 0.056 Vega
2MASS_H 11721.12 763.88 12.360 0.071 Vega
2MASS_K 8421.82 773.29 12.249 0.100 Vega
WISE_W2 3041.73 62.6 11.853 0.022 Vega
WISE_W3 10576.12 223.46 8.665 0.023 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})\, 8.904 9.042 9.158
{\rm log}_{10}({\rm SFR}) -1.577 -1.126 -0.649
{\rm log}_{10}({\rm sSFR}) -10.662 -10.150 -9.609
{\rm stellar\ age} 4.774 7.330 9.077

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.847 -1.496 -0.978
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.693 -0.647 0.026

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.392 0.734 1.097
\delta -0.146 0.094 0.258
\tau_1/\tau_2 0.634 0.961 1.330
Q_{PAH} 0.459 1.573 3.805
U_{min} 2.704 7.610 14.441
{\rm log}_{10}(\gamma_e)\, -3.514 -2.431 -1.031

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.353 -2.621 -0.881
{\rm log}_{10}(\tau_{AGN})\, 0.969 1.398 1.903

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.447 -1.075 -0.711
0.03-0.10 Gyr -1.953 -1.190 -0.620
0.10-0.33 Gyr -2.102 -1.221 -0.573
0.33-1.10 Gyr -2.305 -1.235 -0.668
1.10-3.65 Gyr -2.047 -1.094 -0.728
3.65-12.11 Gyr -1.517 -0.900 -0.689
12.11-13.45 Gyr -1.601 -0.862 -0.235

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.002 10.084 10.189
{\rm log}_{10}({\rm SFR}) -0.381 -0.027 0.224
{\rm log}_{10}({\rm sSFR}) -10.533 -10.134 -9.823
{\rm stellar\ age} 5.124 6.673 8.051

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.915 -0.650 -0.449
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.852 -1.533 -0.475

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.441 0.640 0.799
\delta -0.225 -0.026 0.167
\tau_1/\tau_2 0.487 0.838 1.208
Q_{PAH} 0.634 1.207 1.888
U_{min} 2.249 6.143 12.439
{\rm log}_{10}(\gamma_e)\, -3.646 -2.968 -2.155

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.262 -2.985 -1.980
{\rm log}_{10}(\tau_{AGN})\, 1.038 1.505 1.899

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.581 -0.132 0.074
0.03-0.10 Gyr -0.468 -0.002 0.313
0.10-0.33 Gyr -0.125 0.253 0.565
0.33-1.10 Gyr -0.280 0.129 0.393
1.10-3.65 Gyr -0.132 0.183 0.418
3.65-12.11 Gyr -0.175 0.119 0.297
12.11-13.45 Gyr -0.439 0.146 0.634