2025heg

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Information

Transient

Name: SN2025heg
Right ascension: 18h20m46.15s
Declination: 19d37m30.95s
Discovery Date: April 9, 2025, 11:27 a.m.
Classification: SN Ia
Redshift: 0.029800
MW E(B-V): 0.185

Host

Name: 2025heg
Right ascension: 18h20m46.73s
Declination: 19d37m19.61s
Redshift: 0.029891
Photometric Redshift: 0.056
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 3.96
Cutout download processed 0.5
Global aperture construction processed 0.68
Local aperture photometry processed 4.27
Global aperture photometry processed 4.25
Validate local photometry processed 0.02
Validate global photometry processed 12.29
Host information processed 0.09
Global host SED inference processed 788.36
Local host SED inference processed 450.18
Transient information processed 0.0
Transient MWEBV processed 0.08
Host MWEBV processed 0.08
Log transient processing status processed None
 

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) = 18h20m46.15s, 19d37m30.95s
semi major axis, semi minor axis (arcsec) = 3.34, 3.34
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 5.94 0.84 21.965 0.153 AB
PanSTARRS_r 8.8 1.19 21.539 0.147 AB
PanSTARRS_i 8.21 1.27 21.614 0.168 AB
PanSTARRS_z 7.59 2.53 21.699 0.362 AB
PanSTARRS_y 11.04 5.65 21.292 0.556 AB
2MASS_J 81.59 73.48 18.226 0.978 Vega
2MASS_H -19.53 114.94 Vega
2MASS_K -66.25 114.87 Vega

Aperture details

RA, DEC (J2000) = 18h20m46.61s, 19d37m20.15s
semi major axis, semi minor axis (arcsec) = 13.99, 7.12
angle (degrees, anti-clockwise from east) = -78.46

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 597.88 2.53 16.958 0.005 AB
PanSTARRS_r 1193.65 3.56 16.208 0.003 AB
PanSTARRS_z 2234.23 7.53 15.527 0.004 AB
2MASS_J 3349.83 228.72 14.193 0.074 Vega
2MASS_K 3859.52 357.32 13.096 0.101 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})\, 6.836 7.246 7.623
{\rm log}_{10}({\rm SFR}) -2.066 -1.567 -1.195
{\rm log}_{10}({\rm sSFR}) -9.514 -8.809 -8.086
{\rm stellar\ age} 0.399 3.829 7.057

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.733 -1.277 -0.332
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.262 -0.379 0.066

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.492 0.890 1.355
\delta -0.233 0.050 0.259
\tau_1/\tau_2 0.624 1.062 1.500
Q_{PAH} 1.133 2.991 4.996
U_{min} 3.247 8.928 15.945
{\rm log}_{10}(\gamma_e)\, -2.994 -1.985 -0.898

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.771 -1.785 -0.266
{\rm log}_{10}(\tau_{AGN})\, 1.064 1.521 1.923

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.874 -1.435 -1.010
0.03-0.10 Gyr -2.992 -1.847 -1.207
0.10-0.33 Gyr -3.835 -2.398 -1.674
0.33-1.10 Gyr -4.545 -2.702 -2.108
1.10-3.63 Gyr -5.176 -2.992 -2.300
3.63-12.02 Gyr -5.764 -3.173 -2.345
12.02-13.36 Gyr -5.815 -3.220 -2.254

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.802 10.006 10.171
{\rm log}_{10}({\rm SFR}) -1.089 -0.121 0.556
{\rm log}_{10}({\rm sSFR}) -11.061 -10.151 -9.393
{\rm stellar\ age} 3.694 7.179 10.076

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.438 -0.772 -0.269
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.737 -0.342 0.257

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.316 0.715 1.020
\delta -0.728 -0.301 0.210
\tau_1/\tau_2 0.496 0.931 1.438
Q_{PAH} 0.405 2.127 4.183
U_{min} 2.456 7.376 14.684
{\rm log}_{10}(\gamma_e)\, -3.626 -2.654 -1.105

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.401 -2.523 -1.118
{\rm log}_{10}(\tau_{AGN})\, 0.961 1.460 1.904

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.264 -0.225 0.097
0.03-0.10 Gyr -1.542 -0.113 0.687
0.10-0.33 Gyr -2.304 -0.404 0.347
0.33-1.10 Gyr -2.039 -0.396 0.283
1.10-3.63 Gyr -1.649 -0.203 0.354
3.63-12.02 Gyr -1.363 -0.067 0.269
12.02-13.36 Gyr -1.218 0.071 0.980