2025ahla

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Information

Transient

Name: SN2025ahla
Right ascension: 4h38m55.63s
Declination: -27d21m44.92s
Discovery Date: Dec. 18, 2025, 10:11 a.m.
Classification: SN Ia
Redshift: 0.050000
MW E(B-V): 0.037

Host

Name:
Right ascension: 4h38m55.69s
Declination: -27d21m44.21s
Redshift: None
Photometric Redshift: 0.036
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.0
Transient MWEBV processed 0.1
Host match processed 7.69
Host information processed 0.16
Host MWEBV processed 0.05
Global aperture construction processed 0.64
Global aperture photometry processed 7.28
Validate global photometry processed 19.35
Global host SED inference processed 404.19
Local aperture photometry processed 4.85
Validate local photometry processed 0.03
Local host SED inference processed 450.94
 

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) = 4h38m55.63s, -27d21m44.92s
semi major axis, semi minor axis (arcsec) = 2.05, 2.05
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 208.35 0.62 18.103 0.003 AB
PanSTARRS_r 301.13 0.85 17.703 0.003 AB
DES_r 334.63 0.76 17.589 0.002 AB
PanSTARRS_i 366.65 0.94 17.489 0.003 AB
PanSTARRS_z 400.77 2.02 17.393 0.005 AB
DES_z 457.08 2.48 17.250 0.006 AB
PanSTARRS_y 459.16 3.51 17.245 0.008 AB

Aperture details

RA, DEC (J2000) = 4h38m55.68s, -27d21m44.28s
semi major axis, semi minor axis (arcsec) = 8.63, 7.83
angle (degrees, anti-clockwise from east) = -149.08

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 73.26 6.31 19.238 0.094 AB
GALEX_NUV 123.85 4.79 18.668 0.042 AB
PanSTARRS_g 757.73 2.24 16.701 0.003 AB
PanSTARRS_r 1079.18 3.18 16.317 0.003 AB
DES_r 1167.42 1.48 16.232 0.001 AB
PanSTARRS_i 1319.04 3.64 16.099 0.003 AB
PanSTARRS_z 1440.94 7.96 16.003 0.006 AB
DES_z 1543.77 4.83 15.929 0.003 AB
PanSTARRS_y 1694.49 13.94 15.827 0.009 AB
2MASS_J 1921.66 210.45 14.796 0.119 Vega
2MASS_H 1799.34 336.62 14.395 0.203 Vega
2MASS_K 1897.58 393.17 13.867 0.225 Vega
WISE_W1 826.53 17.95 13.908 0.024 Vega
WISE_W2 523.45 22.01 13.764 0.046 Vega
WISE_W3 2167.28 86.31 10.386 0.043 Vega
WISE_W4 1675.27 486.72 9.220 0.315 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.285 9.460 9.620
{\rm log}_{10}({\rm SFR}) -0.970 -0.554 0.061
{\rm log}_{10}({\rm sSFR}) -10.518 -9.985 -9.314
{\rm stellar\ age} 3.668 6.049 7.691

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.650 -1.078 -0.577
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.686 -0.106 0.298

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.169 0.346 0.627
\delta -0.743 -0.386 -0.042
\tau_1/\tau_2 0.712 1.047 1.391
Q_{PAH} 0.988 2.890 5.481
U_{min} 2.707 7.768 14.923
{\rm log}_{10}(\gamma_e)\, -3.123 -1.972 -0.846

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.947 -2.354 -0.971
{\rm log}_{10}(\tau_{AGN})\, 0.982 1.483 1.958

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.810 -0.555 -0.293
0.03-0.10 Gyr -1.262 -0.552 0.177
0.10-0.33 Gyr -1.192 -0.405 0.138
0.33-1.09 Gyr -1.145 -0.445 -0.078
1.09-3.58 Gyr -0.987 -0.442 -0.189
3.58-11.78 Gyr -1.130 -0.544 -0.263
11.78-13.09 Gyr -1.334 -0.532 -0.005

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.881 9.944 10.027
{\rm log}_{10}({\rm SFR}) -0.190 0.086 0.342
{\rm log}_{10}({\rm sSFR}) -10.186 -9.873 -9.593
{\rm stellar\ age} 5.282 6.311 7.375

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.874 -0.603 -0.426
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.002 0.211 0.381

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.100 0.154 0.260
\delta -0.862 -0.552 -0.117
\tau_1/\tau_2 0.709 1.055 1.391
Q_{PAH} 0.340 0.989 2.418
U_{min} 2.642 7.248 14.166
{\rm log}_{10}(\gamma_e)\, -2.500 -1.754 -1.112

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.352 -3.383 -2.423
{\rm log}_{10}(\tau_{AGN})\, 1.036 1.522 1.925

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.348 -0.128 0.038
0.03-0.10 Gyr -0.175 0.159 0.451
0.10-0.33 Gyr 0.097 0.365 0.561
0.33-1.09 Gyr -0.154 0.146 0.336
1.09-3.58 Gyr -0.232 0.020 0.219
3.58-11.78 Gyr -0.186 0.003 0.145
11.78-13.09 Gyr -0.442 0.016 0.423