2025vhj

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Information

Transient

Name: SN2025vhj
Right ascension: 21h56m36.37s
Declination: -10d07m05.89s
Discovery Date: Aug. 24, 2025, 7:50 a.m.
Classification: SN Ia
Redshift: 0.084000
MW E(B-V): 0.031

Host

Name:
Right ascension: 21h56m36.36s
Declination: -10d07m06.31s
Redshift: 0.084428
Photometric Redshift: 0.095
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.58
Transient MWEBV processed 0.07
Host match processed 7.43
Host information processed 0.15
Host MWEBV processed 0.06
Global aperture construction processed 0.68
Global aperture photometry processed 4.66
Validate global photometry processed 12.53
Global host SED inference processed 422.34
Local aperture photometry processed 5.17
Validate local photometry processed 0.02
Local host SED inference processed 453.24
 

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) = 21h56m36.37s, -10d07m05.89s
semi major axis, semi minor axis (arcsec) = 1.26, 1.26
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 102.53 0.34 18.873 0.004 AB
PanSTARRS_r 215.13 0.44 18.068 0.002 AB
DES_r 237.34 1.28 17.962 0.006 AB
PanSTARRS_i 345.07 0.35 17.555 0.001 AB
PanSTARRS_z 447.63 1.11 17.273 0.003 AB
DES_z 509.49 3.01 17.132 0.006 AB
PanSTARRS_y 491.42 2.53 17.171 0.006 AB

Aperture details

RA, DEC (J2000) = 21h56m36.36s, -10d07m05.90s
semi major axis, semi minor axis (arcsec) = 12.41, 6.84
angle (degrees, anti-clockwise from east) = -160.31

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 514.26 0.89 17.122 0.002 AB
PanSTARRS_g 546.87 1.99 17.055 0.004 AB
PanSTARRS_r 1060.88 2.44 16.336 0.002 AB
DES_r 1088.67 2.89 16.308 0.003 AB
PanSTARRS_i 1534.9 2.1 15.935 0.001 AB
PanSTARRS_z 1896.47 7.3 15.705 0.004 AB
DES_z 1926.4 6.24 15.688 0.004 AB
PanSTARRS_y 2128.7 18.05 15.580 0.009 AB
2MASS_J 2723.89 233.47 14.417 0.093 Vega
2MASS_H 2898.06 373.57 13.877 0.140 Vega
2MASS_K 2412.86 420.8 13.606 0.189 Vega
WISE_W1 1561.77 29.88 13.217 0.021 Vega
WISE_W2 1149.77 39.67 12.909 0.037 Vega
WISE_W3 3389.66 135.16 9.901 0.043 Vega
WISE_W4 4716.94 927.04 8.096 0.213 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})\, 10.141 10.276 10.422
{\rm log}_{10}({\rm SFR}) -1.281 -0.398 0.226
{\rm log}_{10}({\rm sSFR}) -11.612 -10.662 -9.990
{\rm stellar\ age} 5.388 7.425 10.075

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.501 -0.869 -0.417
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.695 -0.923 0.064

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.521 0.951 1.286
\delta -0.694 -0.361 -0.024
\tau_1/\tau_2 0.582 0.965 1.335
Q_{PAH} 0.644 1.977 4.174
U_{min} 2.851 8.022 15.336
{\rm log}_{10}(\gamma_e)\, -3.412 -2.312 -0.864

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.683 -1.618 -0.402
{\rm log}_{10}(\tau_{AGN})\, 1.082 1.449 1.897

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.760 -0.632 -0.155
0.03-0.10 Gyr -1.738 -0.412 0.347
0.10-0.33 Gyr -1.896 -0.421 0.251
0.33-1.07 Gyr -1.792 -0.343 0.317
1.07-3.48 Gyr -1.378 -0.001 0.510
3.48-11.38 Gyr -0.554 0.322 0.557
11.38-12.65 Gyr -0.424 0.534 1.330

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.740 10.862 10.986
{\rm log}_{10}({\rm SFR}) -2.304 -0.704 0.074
{\rm log}_{10}({\rm sSFR}) -13.298 -11.583 -10.744
{\rm stellar\ age} 6.552 7.660 11.648

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.223 -0.796 -0.550
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.671 -0.833 0.135

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.266 0.424 0.628
\delta -0.622 -0.163 0.185
\tau_1/\tau_2 0.517 0.923 1.343
Q_{PAH} 0.661 1.794 3.654
U_{min} 2.764 8.802 16.871
{\rm log}_{10}(\gamma_e)\, -3.036 -2.049 -1.173

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.485 -1.261 -0.997
{\rm log}_{10}(\tau_{AGN})\, 1.087 1.420 1.678

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.639 -0.972 -0.075
0.03-0.10 Gyr -3.232 -0.736 0.144
0.10-0.33 Gyr -3.261 -0.667 0.271
0.33-1.07 Gyr -3.209 -0.637 0.441
1.07-3.48 Gyr -2.296 0.312 0.933
3.48-11.38 Gyr -0.513 0.927 1.157
11.38-12.65 Gyr 0.042 1.144 2.115