2025fhn

Download data

Information

Transient

Name: SN2025fhn
Right ascension: 4h28m39.65s
Declination: -18d41m26.63s
Discovery Date: March 23, 2025, 12:01 a.m.
Classification: SN Ia
Redshift: 0.070000
MW E(B-V): 0.038

Host

Name: 2025fhn
Right ascension: 4h28m39.95s
Declination: -18d41m22.31s
Redshift: 0.069611
Photometric Redshift: 0.079
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.0
Cutout download processed 8.94
Global aperture construction processed 0.69
Local aperture photometry processed 5.82
Global aperture photometry processed 5.94
Validate local photometry processed 0.02
Validate global photometry processed 15.26
Host information processed 0.09
Global host SED inference processed 1143.46
Local host SED inference processed 424.7
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.11
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) = 4h28m39.65s, -18d41m26.63s
semi major axis, semi minor axis (arcsec) = 1.51, 1.51
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 7.62 0.13 21.695 0.018 AB
PanSTARRS_g 9.73 0.38 21.430 0.043 AB
PanSTARRS_r 13.58 0.5 21.068 0.040 AB
DES_r 15.4 0.21 20.931 0.015 AB
PanSTARRS_i 19.0 0.39 20.703 0.022 AB
PanSTARRS_z 25.31 1.22 20.392 0.052 AB
DES_z 21.97 0.7 20.545 0.035 AB
PanSTARRS_y 36.25 3.33 20.002 0.100 AB

Aperture details

RA, DEC (J2000) = 4h28m39.94s, -18d41m22.08s
semi major axis, semi minor axis (arcsec) = 8.23, 5.63
angle (degrees, anti-clockwise from east) = -149.53

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 132.18 11.32 18.597 0.093 AB
GALEX_NUV 167.88 7.37 18.337 0.048 AB
DES_g 811.59 1.08 16.627 0.001 AB
PanSTARRS_g 778.58 1.81 16.672 0.003 AB
PanSTARRS_r 1200.6 2.36 16.202 0.002 AB
DES_r 1347.95 1.79 16.076 0.001 AB
PanSTARRS_i 1672.71 1.84 15.841 0.001 AB
PanSTARRS_z 1919.72 5.47 15.692 0.003 AB
DES_z 2022.76 6.13 15.635 0.003 AB
PanSTARRS_y 2141.41 15.13 15.573 0.008 AB
2MASS_J 2880.43 140.64 14.356 0.053 Vega
2MASS_H 3736.43 200.4 13.601 0.058 Vega
2MASS_K 5108.67 312.75 12.791 0.066 Vega
WISE_W1 4159.46 34.41 12.153 0.009 Vega
WISE_W2 5096.67 49.29 11.293 0.010 Vega
WISE_W3 8183.49 114.86 8.944 0.015 Vega
WISE_W4 13212.8 927.37 6.978 0.076 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})\, 8.516 8.682 8.793
{\rm log}_{10}({\rm SFR}) -2.752 -1.831 -1.081
{\rm log}_{10}({\rm sSFR}) -11.386 -10.533 -9.633
{\rm stellar\ age} 2.248 6.362 7.852

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.621 -1.038 -0.371
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.401 -0.581 0.152

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.290 0.716 1.355
\delta -0.330 -0.036 0.236
\tau_1/\tau_2 0.678 1.068 1.467
Q_{PAH} 1.026 2.768 5.179
U_{min} 3.091 8.302 15.686
{\rm log}_{10}(\gamma_e)\, -2.760 -1.688 -0.719

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.062 -0.309 0.169
{\rm log}_{10}(\tau_{AGN})\, 1.113 1.439 1.925

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.572 -2.159 -1.492
0.03-0.10 Gyr -3.036 -1.830 -0.985
0.10-0.33 Gyr -2.445 -1.583 -0.870
0.33-1.07 Gyr -2.197 -1.394 -0.771
1.07-3.52 Gyr -2.341 -1.302 -0.976
3.52-11.55 Gyr -2.799 -1.277 -1.058
11.55-12.83 Gyr -2.804 -1.323 -0.726

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.511 10.595 10.685
{\rm log}_{10}({\rm SFR}) 0.586 0.978 1.278
{\rm log}_{10}({\rm sSFR}) -10.053 -9.635 -9.260
{\rm stellar\ age} 6.918 7.849 10.636

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.641 -0.311 -0.107
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.867 -0.062 0.371

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.131 0.286 0.561
\delta -0.239 0.145 0.358
\tau_1/\tau_2 0.598 1.000 1.400
Q_{PAH} 0.214 0.684 1.873
U_{min} 3.074 7.342 14.206
{\rm log}_{10}(\gamma_e)\, -3.419 -2.642 -1.792

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.820 -0.668 -0.568
{\rm log}_{10}(\tau_{AGN})\, 0.711 0.737 0.776

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.141 0.436 0.673
0.03-0.10 Gyr 0.652 1.103 1.414
0.10-0.33 Gyr -0.644 0.160 0.573
0.33-1.07 Gyr -0.834 -0.023 0.331
1.07-3.52 Gyr -0.644 0.178 0.542
3.52-11.55 Gyr 0.199 0.682 0.828
11.55-12.83 Gyr 0.497 1.007 1.689