2025ahsa

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Information

Transient

Name: SN2025ahsa
Right ascension: 14h35m00.21s
Declination: 0d59m10.43s
Discovery Date: Dec. 20, 2025, 12:06 p.m.
Classification: SN Ia
Redshift: 0.015000
MW E(B-V): 0.038

Host

Name:
Right ascension: 14h35m00.16s
Declination: 0d59m08.96s
Redshift: None
Photometric Redshift: 0.142
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 19.7
Transient MWEBV processed 0.09
Host match processed 7.26
Host information processed 0.12
Host MWEBV processed 0.05
Global aperture construction processed 2.71
Global aperture photometry processed 6.44
Validate global photometry processed 2.12
Global host SED inference processed 460.32
Local aperture photometry processed 5.85
Validate local photometry processed 0.03
Local host SED inference processed 432.77
 

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) = 14h35m00.21s, 0d59m10.43s
semi major axis, semi minor axis (arcsec) = 6.54, 6.54
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 2.11 0.51 23.091 0.265 AB
GALEX_NUV 1.96 0.44 23.167 0.244 AB
SDSS_u -4.15 6.08 AB
SDSS_g 24.65 3.15 20.420 0.139 AB
DES_g 20.88 0.55 20.601 0.029 AB
PanSTARRS_g 20.7 1.31 20.610 0.069 AB
SDSS_r 25.58 4.03 20.380 0.171 AB
PanSTARRS_r 29.63 2.49 20.221 0.091 AB
DES_r 31.23 0.94 20.163 0.033 AB
SDSS_i 34.0 6.59 20.071 0.210 AB
PanSTARRS_i 32.2 2.4 20.130 0.081 AB
PanSTARRS_z 29.88 3.83 20.212 0.139 AB
SDSS_z 38.1 20.45 19.948 0.583 AB
DES_z 39.24 2.38 19.916 0.066 AB
PanSTARRS_y 15.1 10.36 20.953 0.745 AB
2MASS_J -34.25 174.77 Vega
2MASS_H 460.4 229.42 15.875 0.541 Vega
2MASS_K -174.15 299.74 Vega
WISE_W1 14.45 5.88 18.301 0.442 Vega
WISE_W2 6.36 7.43 18.552 1.268 Vega

Aperture details

RA, DEC (J2000) = 14h35m00.16s, 0d59m09.38s
semi major axis, semi minor axis (arcsec) = 6.15, 3.91
angle (degrees, anti-clockwise from east) = -173.42

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.03 0.5 23.130 0.270 AB
GALEX_NUV 1.92 0.48 23.194 0.272 AB
SDSS_u 5.95 4.65 21.964 0.848 AB
SDSS_g 22.06 2.46 20.541 0.121 AB
DES_g 20.33 0.44 20.630 0.023 AB
PanSTARRS_g 20.8 0.99 20.605 0.051 AB
SDSS_r 28.01 3.12 20.282 0.121 AB
PanSTARRS_r 30.33 1.85 20.195 0.066 AB
DES_r 30.9 0.75 20.175 0.026 AB
SDSS_i 30.76 4.99 20.180 0.176 AB
PanSTARRS_i 33.73 1.78 20.080 0.057 AB
PanSTARRS_z 35.16 2.84 20.035 0.088 AB
SDSS_z 42.32 15.34 19.834 0.394 AB
DES_z 41.02 1.87 19.867 0.049 AB
PanSTARRS_y 29.0 7.67 20.244 0.287 AB
2MASS_J 18.52 149.51 19.836 8.763 Vega
2MASS_H 392.13 194.34 16.049 0.538 Vega
2MASS_K -240.62 256.35 Vega
WISE_W1 20.41 7.16 17.926 0.381 Vega
WISE_W2 4.52 9.88 18.923 2.374 Vega
WISE_W3 -54.95 58.07 Vega
WISE_W4 -258.65 351.36 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})\, 6.990 7.315 7.503
{\rm log}_{10}({\rm SFR}) -2.459 -1.953 -1.470
{\rm log}_{10}({\rm sSFR}) -9.881 -9.265 -8.487
{\rm stellar\ age} 1.628 5.109 7.156

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.761 -1.306 -0.672
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.190 -0.458 -0.053

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.439 0.876 1.163
\delta -0.331 -0.105 0.065
\tau_1/\tau_2 0.683 1.044 1.419
Q_{PAH} 0.643 1.994 4.316
U_{min} 2.703 7.685 14.696
{\rm log}_{10}(\gamma_e)\, -3.302 -2.387 -1.138

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.696 -1.689 -0.215
{\rm log}_{10}(\tau_{AGN})\, 0.925 1.313 1.795

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.332 -1.893 -1.624
0.03-0.10 Gyr -2.701 -1.991 -1.396
0.10-0.33 Gyr -3.075 -2.321 -1.801
0.33-1.10 Gyr -3.391 -2.526 -2.090
1.10-3.67 Gyr -3.732 -2.652 -2.308
3.67-12.20 Gyr -4.155 -2.821 -2.408
12.20-13.56 Gyr -4.272 -2.922 -2.322

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.194 7.386 7.535
{\rm log}_{10}({\rm SFR}) -2.920 -2.327 -1.869
{\rm log}_{10}({\rm sSFR}) -10.388 -9.686 -9.185
{\rm stellar\ age} 1.832 5.128 7.472

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.814 -1.413 -0.769
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.785 -1.550 -1.238

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.269 0.694 1.091
\delta -0.372 -0.089 0.133
\tau_1/\tau_2 0.595 0.958 1.325
Q_{PAH} 2.312 4.366 5.949
U_{min} 3.625 8.918 15.912
{\rm log}_{10}(\gamma_e)\, -2.876 -1.663 -0.559

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.744 -1.579 -0.504
{\rm log}_{10}(\tau_{AGN})\, 0.967 1.448 1.904

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.847 -2.299 -1.932
0.03-0.10 Gyr -3.141 -2.411 -1.827
0.10-0.33 Gyr -2.893 -2.186 -1.648
0.33-1.10 Gyr -2.825 -2.246 -1.789
1.10-3.67 Gyr -3.390 -2.579 -2.287
3.67-12.20 Gyr -3.767 -2.761 -2.401
12.20-13.56 Gyr -3.789 -2.764 -2.177