2025xeq

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Information

Transient

Name: SN2025xeq
Right ascension: 23h42m42.15s
Declination: 15d09m13.98s
Discovery Date: Sept. 10, 2025, 5:57 a.m.
Classification: SN Ia
Redshift: 0.067000
MW E(B-V): 0.032

Host

Name:
Right ascension: 23h42m42.16s
Declination: 15d09m13.75s
Redshift: None
Photometric Redshift: 0.069
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 19.39
Transient MWEBV processed 0.07
Host match processed 6.25
Host information processed 0.12
Host MWEBV processed 0.05
Global aperture construction processed 0.64
Global aperture photometry processed 5.74
Validate global photometry processed 15.06
Global host SED inference processed 449.24
Local aperture photometry processed 6.25
Validate local photometry processed 0.03
Local host SED inference processed 482.16
 

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) = 23h42m42.15s, 15d09m13.98s
semi major axis, semi minor axis (arcsec) = 1.56, 1.56
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 12.22 1.58 21.183 0.141 AB
SDSS_g 75.34 2.3 19.207 0.033 AB
DES_g 71.52 0.48 19.264 0.007 AB
PanSTARRS_g 68.02 0.43 19.318 0.007 AB
SDSS_r 169.29 3.46 18.328 0.022 AB
PanSTARRS_r 145.23 0.56 18.495 0.004 AB
DES_r 154.78 1.28 18.426 0.009 AB
SDSS_i 251.18 4.31 17.900 0.019 AB
PanSTARRS_i 219.73 0.62 18.045 0.003 AB
PanSTARRS_z 297.32 1.34 17.717 0.005 AB
SDSS_z 336.3 8.52 17.583 0.028 AB
DES_z 307.3 2.6 17.681 0.009 AB
PanSTARRS_y 360.04 2.6 17.509 0.008 AB

Aperture details

RA, DEC (J2000) = 23h42m42.14s, 15d09m13.97s
semi major axis, semi minor axis (arcsec) = 4.04, 3.84
angle (degrees, anti-clockwise from east) = -53.97

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.83 0.38 24.107 0.499 AB
GALEX_NUV 0.5 0.22 24.658 0.487 AB
DES_g 114.04 0.65 18.757 0.006 AB
PanSTARRS_g 112.97 1.02 18.768 0.010 AB
SDSS_r 245.04 4.48 17.927 0.020 AB
PanSTARRS_r 236.46 1.31 17.966 0.006 AB
DES_r 259.21 1.7 17.866 0.007 AB
SDSS_i 356.38 5.89 17.520 0.018 AB
PanSTARRS_i 345.2 1.44 17.555 0.005 AB
PanSTARRS_z 454.08 3.22 17.257 0.008 AB
DES_z 475.06 3.3 17.208 0.008 AB
PanSTARRS_y 545.86 6.38 17.057 0.013 AB
2MASS_J 652.4 107.83 15.969 0.179 Vega
2MASS_H 1088.81 134.47 14.940 0.134 Vega
WISE_W1 230.03 10.94 15.297 0.052 Vega
WISE_W2 131.76 13.56 15.262 0.112 Vega
WISE_W3 34.18 56.52 14.892 1.796 Vega
WISE_W4 179.84 441.41 11.643 2.665 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})\, 9.832 9.967 10.099
{\rm log}_{10}({\rm SFR}) -2.748 -1.308 -0.455
{\rm log}_{10}({\rm sSFR}) -12.765 -11.274 -10.432
{\rm stellar\ age} 6.633 7.957 11.288

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.368 -0.807 -0.454
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.542 -0.640 0.143

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.488 0.938 1.267
\delta -0.458 -0.052 0.280
\tau_1/\tau_2 0.665 1.045 1.451
Q_{PAH} 0.718 2.497 5.296
U_{min} 2.860 8.284 15.318
{\rm log}_{10}(\gamma_e)\, -3.452 -2.288 -0.674

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.131 -1.113 -0.347
{\rm log}_{10}(\tau_{AGN})\, 0.943 1.361 1.856

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.882 -1.931 -1.131
0.03-0.10 Gyr -3.023 -1.297 -0.320
0.10-0.33 Gyr -2.731 -1.185 -0.356
0.33-1.08 Gyr -2.736 -1.058 -0.258
1.08-3.53 Gyr -2.427 -0.677 0.009
3.53-11.58 Gyr -0.817 0.025 0.259
11.58-12.87 Gyr -0.508 0.332 1.112

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.955 10.034 10.162
{\rm log}_{10}({\rm SFR}) -2.581 -1.153 -0.361
{\rm log}_{10}({\rm sSFR}) -12.608 -11.183 -10.391
{\rm stellar\ age} 6.909 8.032 11.961

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.533 -1.185 -0.896
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.252 -0.286 0.237

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.392 0.583 0.776
\delta -0.925 -0.786 -0.606
\tau_1/\tau_2 0.577 0.962 1.398
Q_{PAH} 0.566 1.937 3.757
U_{min} 2.932 8.802 16.325
{\rm log}_{10}(\gamma_e)\, -2.762 -1.779 -0.811

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.229 -3.058 -2.049
{\rm log}_{10}(\tau_{AGN})\, 1.150 1.624 1.943

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.048 -1.876 -1.079
0.03-0.10 Gyr -2.800 -1.084 -0.217
0.10-0.33 Gyr -2.829 -0.964 -0.134
0.33-1.08 Gyr -3.534 -1.146 -0.342
1.08-3.53 Gyr -2.753 -0.627 0.006
3.53-11.58 Gyr -1.211 0.112 0.296
11.58-12.87 Gyr -0.416 0.449 1.286