2026ehd results

Information

Transient
Name:SN2026ehd
Right ascension: 4h59m59.02s
Declination:-5d27m51.11s
Discovery Date:Feb. 24, 2026, 10:04 a.m.
Classification:SN Ia
Redshift:0.086907
MW E(B-V):0.037
Host
Name:1044420
Right ascension: 4h59m59.84s
Declination:-5d27m47.70s
Redshift:0.085735
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
DES_g
DES_r
DES_z
GALEX_NUV
GALEX_FUV
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 6.56
Transient MWEBV processed 0.13
Host match processed 5.28
Host information processed 0.12
Host MWEBV processed 0.1
Global aperture construction processed 0.63
Global aperture photometry processed 5.76
Validate global photometry processed 14.39
Global host SED inference processed 524.28
Local aperture photometry processed 5.31
Validate local photometry processed 0.02
Local host SED inference processed 423.67
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):4h59m59.02s, -5d27m51.11s
semi major axis, semi minor axis (arcsec):1.25, 1.25
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 1.61 0.1 23.381 0.070 AB
PanSTARRS_r 3.04 0.43 22.693 0.153 AB
DES_r 3.4 0.23 22.573 0.073 AB
PanSTARRS_i 4.97 0.38 22.160 0.083 AB
PanSTARRS_z 4.49 0.8 22.270 0.194 AB
DES_z 6.25 0.54 21.910 0.094 AB
PanSTARRS_y 9.11 1.95 21.501 0.232 AB

Aperture details

RA, DEC (J2000):4h59m59.85s, -5d27m47.70s
semi major axis, semi minor axis (arcsec):10.38, 8.72
angle (degrees, anti-clockwise from east):-35.64
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 790.72 1.41 16.655 0.002 AB
PanSTARRS_g 751.33 2.65 16.710 0.004 AB
PanSTARRS_r 1695.39 3.33 15.827 0.002 AB
DES_r 1904.75 3.93 15.700 0.002 AB
PanSTARRS_i 2619.77 2.99 15.354 0.001 AB
PanSTARRS_z 3341.69 6.25 15.090 0.002 AB
DES_z 3580.39 10.01 15.015 0.003 AB
PanSTARRS_y 4095.34 14.67 14.869 0.004 AB
2MASS_J 4995.18 195.77 13.759 0.043 Vega
2MASS_H 6120.95 297.52 13.065 0.053 Vega
2MASS_K 6510.53 387.51 12.528 0.065 Vega
WISE_W1 2492.41 30.48 12.709 0.013 Vega
WISE_W2 1476.39 33.86 12.638 0.025 Vega
WISE_W3 781.76 111.58 11.493 0.155 Vega
WISE_W4 -114.43 491.11 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.878 8.268 8.518
{\rm log}_{10}({\rm SFR}) -1.415 -0.865 -0.278
{\rm log}_{10}({\rm sSFR}) -9.766 -9.060 -8.202
{\rm stellar\ age} 0.406 4.372 6.726

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.544 -0.900 -0.246
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.066 -0.044 0.316

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.215 1.780 2.535
\delta -0.042 0.133 0.280
\tau_1/\tau_2 0.700 1.027 1.407
Q_{PAH} 0.843 2.649 5.130
U_{min} 3.211 8.890 16.309
{\rm log}_{10}(\gamma_e)\, -2.959 -1.748 -0.631

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.408 -1.041 0.030
{\rm log}_{10}(\tau_{AGN})\, 0.944 1.407 1.789

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.265 -0.718 -0.114
0.03-0.10 Gyr -2.104 -1.178 -0.437
0.10-0.33 Gyr -2.476 -1.413 -0.742
0.33-1.07 Gyr -3.513 -1.635 -1.160
1.07-3.48 Gyr -4.312 -1.796 -1.327
3.48-11.37 Gyr -4.799 -1.993 -1.441
11.37-12.63 Gyr -5.057 -2.067 -1.283

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.124 11.212 11.296
{\rm log}_{10}({\rm SFR}) -4.836 -1.537 -0.044
{\rm log}_{10}({\rm sSFR}) -15.918 -12.686 -11.179
{\rm stellar\ age} 7.457 10.961 11.993

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.979 -0.722 -0.563
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.511 -0.594 0.157

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.240 0.380 0.546
\delta -0.903 -0.696 -0.422
\tau_1/\tau_2 0.514 0.962 1.448
Q_{PAH} 0.253 0.885 1.994
U_{min} 3.068 9.119 17.411
{\rm log}_{10}(\gamma_e)\, -3.231 -1.771 -1.014

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.538 -3.693 -2.682
{\rm log}_{10}(\tau_{AGN})\, 1.061 1.558 1.945

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.787 -2.068 -0.350
0.03-0.10 Gyr -5.696 -1.866 0.024
0.10-0.33 Gyr -6.039 -2.237 0.089
0.33-1.07 Gyr -5.573 -2.278 -0.125
1.07-3.48 Gyr -3.719 -1.368 0.471
3.48-11.37 Gyr -1.542 0.796 1.441
11.37-12.63 Gyr 0.880 2.289 2.449