2025ahby results

Information

Transient
Name:SN2025ahby
Right ascension: 13h44m36.13s
Declination:-29d55m52.58s
Discovery Date:Dec. 16, 2025, 1:40 a.m.
Classification:SN II
Redshift:0.038000
MW E(B-V):0.050
Host
Name:88925
Right ascension: 13h44m35.95s
Declination:-29d55m59.49s
Redshift:0.037666
Photometric Redshift:None
 

Cutout Download Report

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
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 6.46
Transient MWEBV processed 0.07
Host match processed 5.82
Host information processed 0.11
Host MWEBV processed 0.14
Global aperture construction processed 0.65
Global aperture photometry processed 3.85
Validate global photometry processed 12.14
Global host SED inference processed 431.8
Local aperture photometry processed 3.79
Validate local photometry processed 0.02
Local host SED inference processed 477.27
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):13h44m36.13s, -29d55m52.58s
semi major axis, semi minor axis (arcsec):2.68, 2.68
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 89.46 0.78 19.021 0.009 AB
PanSTARRS_r 143.69 1.32 18.506 0.010 AB
PanSTARRS_i 187.19 1.26 18.219 0.007 AB
PanSTARRS_z 230.91 2.0 17.991 0.009 AB
PanSTARRS_y 271.51 4.9 17.816 0.020 AB

Aperture details

RA, DEC (J2000):13h44m35.81s, -29d55m58.71s
semi major axis, semi minor axis (arcsec):20.69, 14.73
angle (degrees, anti-clockwise from east):-69.95
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 303.7 4.46 17.694 0.016 AB
GALEX_NUV 505.67 3.32 17.140 0.007 AB
PanSTARRS_g 3276.82 5.04 15.111 0.002 AB
PanSTARRS_i 7401.96 8.14 14.227 0.001 AB
PanSTARRS_z 9331.57 13.0 13.975 0.002 AB
PanSTARRS_y 10559.83 32.34 13.841 0.003 AB
2MASS_H 18437.81 609.68 11.868 0.036 Vega
2MASS_K 15951.54 859.31 11.555 0.058 Vega
WISE_W2 5590.35 69.95 11.192 0.014 Vega
WISE_W3 31124.3 229.91 7.493 0.008 Vega
WISE_W4 51096.37 1688.88 5.509 0.036 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.895 9.066 9.187
{\rm log}_{10}({\rm SFR}) -1.700 -1.025 -0.361
{\rm log}_{10}({\rm sSFR}) -10.738 -10.114 -9.368
{\rm stellar\ age} 2.982 6.246 7.842

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.361 -0.598 -0.239
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.673 -0.905 -0.089

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.229 0.692 1.093
\delta -0.521 -0.158 0.138
\tau_1/\tau_2 0.700 1.052 1.420
Q_{PAH} 0.687 2.717 5.059
U_{min} 2.990 8.166 15.345
{\rm log}_{10}(\gamma_e)\, -3.175 -1.948 -0.737

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.896 -1.573 -0.391
{\rm log}_{10}(\tau_{AGN})\, 1.095 1.501 1.944

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.905 -1.236 -0.793
0.03-0.10 Gyr -1.831 -0.997 -0.245
0.10-0.33 Gyr -1.465 -0.829 -0.245
0.33-1.09 Gyr -1.556 -0.885 -0.460
1.09-3.61 Gyr -1.700 -0.892 -0.618
3.61-11.93 Gyr -1.898 -0.928 -0.694
11.93-13.25 Gyr -1.989 -0.952 -0.382

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.639 10.783 10.880
{\rm log}_{10}({\rm SFR}) 0.846 1.276 1.630
{\rm log}_{10}({\rm sSFR}) -9.974 -9.496 -9.069
{\rm stellar\ age} 6.024 7.648 10.188

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.877 -0.502 -0.295
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.886 -1.618 -0.112

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.566 0.784 1.048
\delta 0.006 0.142 0.262
\tau_1/\tau_2 0.455 0.885 1.334
Q_{PAH} 0.919 1.586 2.450
U_{min} 2.668 7.450 14.405
{\rm log}_{10}(\gamma_e)\, -3.608 -2.822 -1.998

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.332 -3.013 -1.820
{\rm log}_{10}(\tau_{AGN})\, 1.110 1.628 1.976

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.703 0.451 0.906
0.03-0.10 Gyr 0.861 1.418 1.786
0.10-0.33 Gyr -0.375 0.584 1.179
0.33-1.09 Gyr -1.168 0.192 0.639
1.09-3.61 Gyr -0.472 0.465 0.859
3.61-11.93 Gyr 0.092 0.823 1.012
11.93-13.25 Gyr 0.121 1.055 1.773