2025ahhb

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Information

Transient

Name: SN2025ahhb
Right ascension: 14h46m28.60s
Declination: 14d22m30.73s
Discovery Date: Dec. 15, 2025, 1:30 p.m.
Classification: SN Ia
Redshift: 0.046475
MW E(B-V): 0.019

Host

Name:
Right ascension: 14h46m28.63s
Declination: 14d22m30.05s
Redshift: 0.046475
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.04
Transient MWEBV processed 0.04
Host match processed 5.77
Host information processed 0.11
Host MWEBV processed 0.05
Global aperture construction processed 0.68
Global aperture photometry failed 0.05
Validate global photometry not processed 19.57
Global host SED inference not processed 443.5
Local aperture photometry failed 0.01
Validate local photometry not processed 0.03
Local host SED inference not processed 471.46
 

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) = 14h46m28.60s, 14d22m30.73s
semi major axis, semi minor axis (arcsec) = 2.19, 2.19
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 90.62 3.04 19.007 0.036 AB
SDSS_g 500.52 5.83 17.151 0.013 AB
DES_g 526.81 1.29 17.096 0.003 AB
PanSTARRS_g 557.39 0.76 17.035 0.001 AB
SDSS_r 1112.33 8.69 16.284 0.008 AB
PanSTARRS_r 1202.25 1.05 16.200 0.001 AB
DES_r 1294.36 3.15 16.120 0.003 AB
SDSS_i 1731.0 10.87 15.804 0.007 AB
PanSTARRS_i 1685.94 0.93 15.833 0.001 AB
PanSTARRS_z 2164.05 1.75 15.562 0.001 AB
SDSS_z 2355.96 14.38 15.470 0.007 AB
DES_z 2259.94 8.55 15.515 0.004 AB
PanSTARRS_y 2598.1 3.43 15.363 0.001 AB

Aperture details

RA, DEC (J2000) = 14h46m28.62s, 14d22m30.24s
semi major axis, semi minor axis (arcsec) = 12.74, 4.18
angle (degrees, anti-clockwise from east) = -73.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.07 3.11 21.393 0.335 AB
GALEX_NUV 26.2 3.58 20.354 0.148 AB
SDSS_u 230.98 7.3 17.991 0.034 AB
SDSS_g 1101.1 8.78 16.295 0.009 AB
DES_g 1041.52 1.88 16.356 0.002 AB
SDSS_r 2398.61 13.01 15.450 0.006 AB
PanSTARRS_r 2497.71 2.43 15.406 0.001 AB
DES_r 2393.13 4.37 15.453 0.002 AB
SDSS_i 3555.27 15.99 15.023 0.005 AB
PanSTARRS_i 3494.06 2.37 15.042 0.001 AB
PanSTARRS_z 4444.05 4.77 14.781 0.001 AB
SDSS_z 4946.91 29.48 14.664 0.006 AB
DES_z 4338.05 11.98 14.807 0.003 AB
PanSTARRS_y 5573.36 10.84 14.535 0.002 AB
2MASS_J 7233.48 197.55 13.357 0.030 Vega
2MASS_H 9039.39 331.49 12.642 0.040 Vega
2MASS_K 8204.03 292.49 12.277 0.039 Vega
WISE_W1 3222.6 28.82 12.430 0.010 Vega
WISE_W2 1839.59 30.57 12.399 0.018 Vega
WISE_W3 1339.48 87.98 10.909 0.071 Vega
WISE_W4 684.45 357.56 10.192 0.567 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})\, 10.250 10.341 10.442
{\rm log}_{10}({\rm SFR}) -0.480 -0.063 0.332
{\rm log}_{10}({\rm sSFR}) -10.828 -10.390 -9.986
{\rm stellar\ age} 6.304 7.581 9.389

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.417 -0.873 -0.637
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.850 -0.495 0.288

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.609 0.803 1.065
\delta -0.882 -0.703 -0.523
\tau_1/\tau_2 0.636 0.970 1.333
Q_{PAH} 0.404 1.948 3.790
U_{min} 2.560 7.575 15.082
{\rm log}_{10}(\gamma_e)\, -3.417 -2.195 -1.210

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.386 -2.605 -1.153
{\rm log}_{10}(\tau_{AGN})\, 0.938 1.398 1.847

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.228 0.121 0.422
0.03-0.10 Gyr -0.957 -0.209 0.299
0.10-0.33 Gyr -1.037 -0.257 0.265
0.33-1.09 Gyr -1.064 -0.168 0.328
1.09-3.59 Gyr -0.732 0.200 0.516
3.59-11.82 Gyr 0.141 0.451 0.627
11.82-13.13 Gyr -0.021 0.546 1.180

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.714 10.801 10.852
{\rm log}_{10}({\rm SFR}) -0.939 -0.447 0.014
{\rm log}_{10}({\rm sSFR}) -11.754 -11.232 -10.780
{\rm stellar\ age} 8.360 11.561 12.424

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.729 -0.557 -0.433
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.964 0.185 0.407

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.245 0.342 0.482
\delta -0.775 -0.543 -0.326
\tau_1/\tau_2 0.456 0.879 1.366
Q_{PAH} 0.265 0.780 1.806
U_{min} 2.387 6.898 14.172
{\rm log}_{10}(\gamma_e)\, -3.461 -2.750 -1.855

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.543 -3.824 -2.911
{\rm log}_{10}(\tau_{AGN})\, 1.036 1.541 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.979 -0.748 -0.349
0.03-0.10 Gyr -1.157 -0.403 0.146
0.10-0.33 Gyr -2.468 -0.760 -0.183
0.33-1.09 Gyr -3.980 -1.272 -0.520
1.09-3.59 Gyr -3.286 -1.190 -0.339
3.59-11.82 Gyr -1.262 0.360 0.958
11.82-13.13 Gyr 1.031 1.851 1.979