2025xac

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Information

Transient

Name: SN2025xac
Right ascension: 8h50m34.38s
Declination: 28d26m43.87s
Discovery Date: Aug. 31, 2025, 12:26 p.m.
Classification: SN Ia
Redshift: 0.050000
MW E(B-V): 0.036

Host

Name: 1835952
Right ascension: 8h50m34.32s
Declination: 28d26m44.27s
Redshift: 0.049488
Photometric Redshift: 0.049
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download failed 19.01
Transient MWEBV not processed 0.09
Host match not processed 3.87
Host information not processed 0.15
Host MWEBV not processed 0.04
Global aperture construction not processed 0.65
Global aperture photometry not processed 5.95
Validate global photometry not processed 15.65
Global host SED inference not processed 397.98
Local aperture photometry not processed 6.75
Validate local photometry not processed 0.02
Local host SED inference not processed 457.97
 

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) = 8h50m34.38s, 28d26m43.87s
semi major axis, semi minor axis (arcsec) = 2.07, 2.07
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 109.27 2.76 18.804 0.027 AB
DES_g 108.08 0.56 18.816 0.006 AB
PanSTARRS_g 100.93 0.57 18.890 0.006 AB
SDSS_r 153.53 3.32 18.434 0.023 AB
PanSTARRS_r 153.67 0.7 18.434 0.005 AB
DES_r 172.96 1.27 18.305 0.008 AB
PanSTARRS_i 182.26 0.75 18.248 0.004 AB
PanSTARRS_z 211.85 1.49 18.085 0.008 AB
DES_z 240.22 2.73 17.948 0.012 AB
PanSTARRS_y 244.6 3.56 17.929 0.016 AB

Aperture details

RA, DEC (J2000) = 8h50m34.27s, 28d26m44.40s
semi major axis, semi minor axis (arcsec) = 17.51, 4.08
angle (degrees, anti-clockwise from east) = -89.78

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 58.74 1.98 19.478 0.037 AB
GALEX_NUV 74.96 1.42 19.213 0.021 AB
SDSS_g 390.9 5.6 17.420 0.016 AB
DES_g 386.64 1.17 17.432 0.003 AB
PanSTARRS_g 368.98 2.22 17.482 0.007 AB
SDSS_r 522.99 6.87 17.104 0.014 AB
PanSTARRS_r 524.96 2.65 17.100 0.005 AB
DES_r 566.84 2.53 17.016 0.005 AB
PanSTARRS_i 629.08 2.91 16.903 0.005 AB
PanSTARRS_z 647.78 5.91 16.871 0.010 AB
DES_z 724.12 5.23 16.750 0.008 AB
PanSTARRS_y 858.25 14.37 16.566 0.018 AB
2MASS_J 811.23 161.83 15.732 0.217 Vega
2MASS_H 1002.97 253.41 15.029 0.274 Vega
2MASS_K 1438.39 292.22 14.168 0.221 Vega
WISE_W1 365.27 19.56 14.794 0.058 Vega
WISE_W2 190.72 26.69 14.860 0.152 Vega
WISE_W3 40.65 123.67 14.703 3.303 Vega
WISE_W4 2205.14 698.04 8.921 0.344 Vega
 

Imaging data

 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.978 9.144 9.323
{\rm log}_{10}({\rm SFR}) -1.020 -0.598 -0.119
{\rm log}_{10}({\rm sSFR}) -10.299 -9.816 -9.181
{\rm stellar\ age} 3.539 5.834 7.583

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.202 -0.482 -0.093
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.751 -1.055 0.158

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.172 0.384 0.652
\delta -0.778 -0.344 0.041
\tau_1/\tau_2 0.782 1.130 1.491
Q_{PAH} 0.990 2.519 4.765
U_{min} 2.958 7.599 14.063
{\rm log}_{10}(\gamma_e)\, -3.267 -2.070 -0.819

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.799 -1.891 -0.739
{\rm log}_{10}(\tau_{AGN})\, 0.963 1.493 1.967

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.878 -0.613 -0.382
0.03-0.10 Gyr -1.229 -0.601 -0.028
0.10-0.33 Gyr -1.266 -0.610 -0.186
0.33-1.09 Gyr -1.269 -0.673 -0.340
1.09-3.58 Gyr -1.265 -0.769 -0.521
3.58-11.79 Gyr -1.421 -0.880 -0.580
11.79-13.09 Gyr -1.682 -0.895 -0.331

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.540 9.633 9.726
{\rm log}_{10}({\rm SFR}) -0.265 -0.073 0.152
{\rm log}_{10}({\rm sSFR}) -9.927 -9.701 -9.461
{\rm stellar\ age} 5.212 6.308 7.237

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.361 -0.960 -0.647
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.036 0.114 0.212

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.162 0.293 0.454
\delta -0.332 -0.012 0.187
\tau_1/\tau_2 0.796 1.083 1.409
Q_{PAH} 0.314 0.964 2.002
U_{min} 2.635 7.044 13.352
{\rm log}_{10}(\gamma_e)\, -3.238 -2.230 -1.454

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.444 -3.629 -2.766
{\rm log}_{10}(\tau_{AGN})\, 1.020 1.529 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.456 -0.331 -0.206
0.03-0.10 Gyr -0.238 0.013 0.265
0.10-0.33 Gyr -0.179 0.062 0.275
0.33-1.09 Gyr -0.440 -0.176 0.024
1.09-3.58 Gyr -0.523 -0.289 -0.091
3.58-11.79 Gyr -0.535 -0.320 -0.156
11.79-13.09 Gyr -0.676 -0.261 0.103