2026key results

Information

Transient
Name:SN2026key
Right ascension: 19h25m07.79s
Declination:-29d18m56.69s
Discovery Date:April 14, 2026, 6:31 p.m.
Classification:SN Ia
Redshift:0.030000
MW E(B-V):0.102
Host
Name:J192507.99-291900.19
Right ascension: 19h25m07.99s
Declination:-29d19m00.19s
Redshift:None
Photometric Redshift:None
 

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
GALEX_NUV
GALEX_FUV
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_r
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 3.71
Transient MWEBV processed 0.11
Host match processed 6.38
Host information processed 0.12
Host MWEBV processed 0.08
Global aperture construction processed 1.37
Global aperture photometry processed 3.82
Validate global photometry processed 26.21
Global host SED inference processed 1537.53
Local aperture photometry processed 3.79
Validate local photometry processed 0.02
Local host SED inference processed 441.52
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):19h25m07.79s, -29d18m56.69s
semi major axis, semi minor axis (arcsec):3.33, 3.33
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 646.72 1.52 16.873 0.003 AB
PanSTARRS_r 1236.33 3.01 16.170 0.003 AB
PanSTARRS_i 1815.48 2.05 15.753 0.001 AB
PanSTARRS_z 2180.49 5.41 15.554 0.003 AB
PanSTARRS_y 3728.6 18.41 14.971 0.005 AB
2MASS_J 3824.9 112.92 14.049 0.032 Vega
2MASS_H 4183.39 166.71 13.479 0.043 Vega
2MASS_K 3085.29 151.69 13.339 0.053 Vega

Aperture details

RA, DEC (J2000):19h25m07.99s, -29d18m59.99s
semi major axis, semi minor axis (arcsec):10.95, 9.71
angle (degrees, anti-clockwise from east):-19.44
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 3281.7 4.47 15.110 0.001 AB
PanSTARRS_r 6145.4 8.83 14.429 0.002 AB
PanSTARRS_z 10914.67 16.44 13.805 0.002 AB
PanSTARRS_y 21904.15 54.06 13.049 0.003 AB
2MASS_J 23697.47 358.15 12.068 0.016 Vega
2MASS_H 23297.87 528.84 11.614 0.025 Vega
2MASS_K 17893.83 482.66 11.430 0.029 Vega
WISE_W1 9866.28 2233.02 11.216 0.246 Vega
WISE_W2 5169.01 2664.08 11.277 0.560 Vega
WISE_W4 753.77 2820.78 10.087 4.063 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.463 9.814 10.089
{\rm log}_{10}({\rm SFR}) 0.289 0.633 0.992
{\rm log}_{10}({\rm sSFR}) -9.687 -9.178 -8.529
{\rm stellar\ age} 1.482 5.336 7.605

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.481 -0.901 -0.436
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.491 -0.336 -0.161

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.161 1.380 1.628
\delta -0.714 -0.436 -0.212
\tau_1/\tau_2 0.773 1.144 1.480
Q_{PAH} 0.922 1.864 3.023
U_{min} 2.861 8.152 15.418
{\rm log}_{10}(\gamma_e)\, -2.614 -1.759 -1.030

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.563 -3.320 -1.273
{\rm log}_{10}(\tau_{AGN})\, 0.972 1.505 2.003

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.542 0.784 0.993
0.03-0.10 Gyr -0.363 0.516 1.037
0.10-0.33 Gyr -1.434 0.028 0.567
0.33-1.10 Gyr -1.405 -0.127 0.359
1.10-3.63 Gyr -1.652 -0.179 0.280
3.63-12.02 Gyr -2.309 -0.399 0.151
12.02-13.35 Gyr -2.384 -0.418 0.376

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.422 10.762 10.947
{\rm log}_{10}({\rm SFR}) 0.796 1.264 1.613
{\rm log}_{10}({\rm sSFR}) -10.109 -9.460 -8.870
{\rm stellar\ age} 4.825 7.762 12.213

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.601 -1.169 -0.571
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.434 -0.312 -0.118

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.022 1.260 1.591
\delta -0.749 -0.544 -0.287
\tau_1/\tau_2 0.702 1.199 1.669
Q_{PAH} 0.266 0.898 1.966
U_{min} 2.229 7.074 14.439
{\rm log}_{10}(\gamma_e)\, -3.073 -2.031 -0.986

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.489 -2.357 -1.178
{\rm log}_{10}(\tau_{AGN})\, 1.609 1.906 2.096

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 1.164 1.515 1.750
0.03-0.10 Gyr -1.866 0.823 1.583
0.10-0.33 Gyr -3.246 -0.367 0.847
0.33-1.10 Gyr -3.821 -0.684 0.546
1.10-3.63 Gyr -3.195 -0.341 0.703
3.63-12.02 Gyr -1.420 0.620 1.042
12.02-13.35 Gyr -1.002 0.865 2.011