2026hwd results

Information

Transient
Name:SN2026hwd
Right ascension: 7h53m58.37s
Declination:28d02m53.99s
Discovery Date:March 30, 2026, 9:59 p.m.
Classification:SN Ia
Redshift:0.060394
MW E(B-V):0.027
Host
Name:22120
Right ascension: 7h53m58.80s
Declination:28d03m01.17s
Redshift:0.059577
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
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_z
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 19.87
Transient MWEBV processed 0.06
Host match processed 4.51
Host information processed 0.06
Host MWEBV processed 0.04
Global aperture construction processed 0.61
Global aperture photometry processed 6.83
Validate global photometry processed 19.06
Global host SED inference processed 649.26
Local aperture photometry processed 6.29
Validate local photometry processed 0.03
Local host SED inference processed 431.41
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):7h53m58.37s, 28d02m53.99s
semi major axis, semi minor axis (arcsec):1.74, 1.74
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 3.49 1.47 22.542 0.457 AB
SDSS_g 13.23 1.09 21.096 0.089 AB
DES_g 16.24 0.25 20.873 0.016 AB
PanSTARRS_g 14.29 0.47 21.013 0.036 AB
SDSS_r 31.08 1.69 20.169 0.059 AB
PanSTARRS_r 30.61 0.45 20.185 0.016 AB
DES_r 35.94 0.67 20.011 0.020 AB
SDSS_i 44.87 2.2 19.770 0.053 AB
PanSTARRS_i 45.63 0.58 19.752 0.014 AB
PanSTARRS_z 55.04 1.57 19.548 0.031 AB
SDSS_z 57.94 6.92 19.493 0.130 AB
DES_z 63.65 1.9 19.391 0.032 AB
PanSTARRS_y 77.6 3.55 19.175 0.050 AB

Aperture details

RA, DEC (J2000):7h53m58.84s, 28d03m00.87s
semi major axis, semi minor axis (arcsec):20.87, 14.21
angle (degrees, anti-clockwise from east):-39.89
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.42 3.17 21.355 0.331 AB
GALEX_NUV 23.33 2.76 20.480 0.128 AB
SDSS_u 518.9 14.99 17.112 0.031 AB
SDSS_g 2539.46 14.13 15.388 0.006 AB
DES_g 2870.88 3.11 15.255 0.001 AB
PanSTARRS_g 2760.81 4.72 15.297 0.002 AB
PanSTARRS_r 5793.03 4.53 14.493 0.001 AB
DES_r 6474.59 8.75 14.372 0.001 AB
SDSS_i 8379.43 27.4 14.092 0.004 AB
PanSTARRS_i 8553.8 5.87 14.070 0.001 AB
PanSTARRS_z 10291.41 15.86 13.869 0.002 AB
SDSS_z 10953.43 71.7 13.801 0.007 AB
DES_z 11761.22 25.1 13.724 0.002 AB
PanSTARRS_y 12459.55 35.02 13.661 0.003 AB
2MASS_H 19723.52 469.76 11.795 0.026 Vega
WISE_W1 7758.95 69.37 11.476 0.010 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.877 9.012 9.120
{\rm log}_{10}({\rm SFR}) -1.667 -1.106 -0.560
{\rm log}_{10}({\rm sSFR}) -10.750 -10.150 -9.480
{\rm stellar\ age} 5.018 6.835 8.280

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.966 -0.319 0.011
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.123 0.259 0.413

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.430 0.864 1.363
\delta -0.571 -0.220 0.039
\tau_1/\tau_2 0.630 0.977 1.305
Q_{PAH} 0.804 2.605 5.095
U_{min} 3.076 7.907 14.736
{\rm log}_{10}(\gamma_e)\, -2.901 -1.832 -0.770

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.568 -1.167 -0.336
{\rm log}_{10}(\tau_{AGN})\, 0.965 1.385 1.886

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.482 -1.037 -0.584
0.03-0.10 Gyr -1.967 -1.187 -0.534
0.10-0.33 Gyr -2.077 -1.297 -0.623
0.33-1.08 Gyr -1.989 -1.194 -0.709
1.08-3.55 Gyr -1.628 -0.993 -0.740
3.55-11.67 Gyr -1.342 -0.915 -0.735
11.67-12.96 Gyr -1.526 -0.868 -0.326

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.355 11.432 11.468
{\rm log}_{10}({\rm SFR}) -1.950 -1.083 -0.346
{\rm log}_{10}({\rm sSFR}) -13.379 -12.510 -11.781
{\rm stellar\ age} 9.107 12.251 12.311

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.216 -0.736 -0.553
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.372 -0.263 0.267

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.165 0.280 0.533
\delta -0.768 -0.502 -0.239
\tau_1/\tau_2 0.339 0.831 1.336
Q_{PAH} 0.359 1.985 4.654
U_{min} 3.959 10.497 18.420
{\rm log}_{10}(\gamma_e)\, -2.761 -1.359 -0.427

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.074 -2.174 -1.272
{\rm log}_{10}(\tau_{AGN})\, 1.144 1.575 1.950

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.327 -0.962 -0.223
0.03-0.10 Gyr -4.320 -1.926 -0.485
0.10-0.33 Gyr -5.216 -2.337 -0.593
0.33-1.08 Gyr -5.604 -2.849 -0.813
1.08-3.55 Gyr -4.082 -1.977 -0.306
3.55-11.67 Gyr -1.711 -0.319 1.481
11.67-12.96 Gyr 1.981 2.567 2.611