2026gyd results

Information

Transient
Name:SN2026gyd
Right ascension: 18h30m07.42s
Declination:36d21m15.05s
Discovery Date:March 17, 2026, 11:51 a.m.
Classification:SN Ia
Redshift:0.056000
MW E(B-V):0.047
Host
Name:J183007.63+362116.04
Right ascension: 18h30m07.63s
Declination:36d21m16.04s
Redshift:None
Photometric Redshift:0.043
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
DES_g
DES_z
GALEX_NUV
GALEX_FUV
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 5.04
Transient MWEBV processed 0.15
Host match processed 6.09
Host information processed 0.11
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 4.54
Validate global photometry processed 12.42
Global host SED inference processed 587.72
Local aperture photometry processed 4.36
Validate local photometry processed 0.02
Local host SED inference processed 471.16
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):18h30m07.42s, 36d21m15.05s
semi major axis, semi minor axis (arcsec):1.84, 1.84
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 112.89 0.76 18.768 0.007 AB
PanSTARRS_g 119.3 0.38 18.708 0.003 AB
PanSTARRS_r 243.06 0.58 17.936 0.003 AB
PanSTARRS_i 347.1 0.46 17.549 0.001 AB
PanSTARRS_z 444.13 1.55 17.281 0.004 AB
DES_z 481.44 3.8 17.194 0.009 AB
PanSTARRS_y 529.15 3.56 17.091 0.007 AB

Aperture details

RA, DEC (J2000):18h30m07.62s, 36d21m16.28s
semi major axis, semi minor axis (arcsec):20.17, 11.12
angle (degrees, anti-clockwise from east):-80.93
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 2453.19 3.57 15.426 0.002 AB
PanSTARRS_g 2752.25 2.84 15.301 0.001 AB
PanSTARRS_i 6417.91 3.41 14.382 0.001 AB
PanSTARRS_z 7440.06 11.97 14.221 0.002 AB
DES_z 6966.13 14.88 14.293 0.002 AB
PanSTARRS_y 8413.52 28.8 14.088 0.004 AB
2MASS_J 9439.57 273.69 13.068 0.031 Vega
2MASS_H 11044.1 358.68 12.425 0.035 Vega
2MASS_K 9103.89 529.2 12.164 0.063 Vega
WISE_W1 4054.84 57.06 12.181 0.015 Vega
WISE_W2 2412.09 47.05 12.105 0.021 Vega
WISE_W4 3087.08 694.68 8.556 0.244 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.842 9.951 10.075
{\rm log}_{10}({\rm SFR}) -2.762 -1.184 -0.214
{\rm log}_{10}({\rm sSFR}) -12.616 -11.152 -10.107
{\rm stellar\ age} 6.790 8.259 11.938

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.485 -0.881 -0.496
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.725 -0.617 0.273

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.289 0.766 1.198
\delta -0.534 -0.196 0.197
\tau_1/\tau_2 0.563 0.968 1.337
Q_{PAH} 0.893 2.699 4.866
U_{min} 3.028 8.602 16.036
{\rm log}_{10}(\gamma_e)\, -3.266 -2.072 -0.590

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.569 -1.339 -0.418
{\rm log}_{10}(\tau_{AGN})\, 0.936 1.349 1.877

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.294 -1.468 -0.566
0.03-0.10 Gyr -3.340 -1.312 -0.128
0.10-0.33 Gyr -3.266 -1.314 -0.271
0.33-1.09 Gyr -3.305 -1.083 -0.201
1.09-3.59 Gyr -2.676 -0.609 -0.014
3.59-11.86 Gyr -1.114 -0.081 0.172
11.86-13.18 Gyr -0.621 0.224 1.112
0.33-1.08 Gyr -3.590 -1.274 -0.348
1.08-3.56 Gyr -3.095 -0.929 -0.040
3.56-11.71 Gyr -1.106 -0.024 0.207
11.71-13.01 Gyr -0.459 0.392 1.137

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.006 11.094 11.203
{\rm log}_{10}({\rm SFR}) -5.910 -1.873 -0.090
{\rm log}_{10}({\rm sSFR}) -16.999 -13.111 -11.172
{\rm stellar\ age} 7.591 8.917 12.332

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.778 -1.480 -1.188
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.538 -0.717 0.071

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.139 0.263 0.381
\delta -0.787 -0.432 -0.069
\tau_1/\tau_2 0.392 0.880 1.420
Q_{PAH} 0.454 1.428 3.163
U_{min} 3.578 10.509 18.640
{\rm log}_{10}(\gamma_e)\, -3.241 -2.245 -1.237

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.015 -2.920 -2.059
{\rm log}_{10}(\tau_{AGN})\, 1.101 1.547 1.931

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.760 -2.354 -0.241
0.03-0.10 Gyr -6.970 -3.159 -0.215
0.10-0.33 Gyr -6.901 -3.364 -0.413
0.33-1.09 Gyr -5.821 -3.008 -0.690
1.09-3.59 Gyr -3.570 -1.570 0.253
3.59-11.86 Gyr -1.166 0.932 1.120
11.86-13.18 Gyr -0.959 1.359 2.079
0.33-1.08 Gyr -5.924 -2.781 -0.160
1.08-3.56 Gyr -3.493 -1.519 0.619
3.56-11.71 Gyr -1.250 1.104 1.365
11.71-13.01 Gyr -0.675 1.711 2.334