2026ejr results

Information

Transient
Name:SN2026ejr
Right ascension: 8h03m23.67s
Declination:8d17m25.77s
Discovery Date:Feb. 24, 2026, 4:41 a.m.
Classification:SN Ia
Redshift:0.050400
MW E(B-V):0.016
Host
Name:J080323.64+081726.32
Right ascension: 8h03m23.64s
Declination:8d17m26.32s
Redshift:None
Photometric Redshift:0.193
 

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 17.77
Transient MWEBV processed 0.05
Host match processed 5.19
Host information processed 0.16
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 6.99
Validate global photometry processed 26.22
Global host SED inference processed 513.18
Local aperture photometry processed 6.65
Validate local photometry processed 0.03
Local host SED inference processed 411.7
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h03m23.67s, 8d17m25.77s
semi major axis, semi minor axis (arcsec):2.03, 2.03
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 7.27 1.77 21.746 0.265 AB
SDSS_g 15.97 1.2 20.892 0.082 AB
DES_g 18.75 0.28 20.718 0.016 AB
PanSTARRS_g 17.74 0.42 20.778 0.026 AB
SDSS_r 32.16 1.78 20.132 0.060 AB
PanSTARRS_r 29.77 0.49 20.216 0.018 AB
DES_r 33.84 0.49 20.077 0.016 AB
SDSS_i 41.18 2.24 19.863 0.059 AB
PanSTARRS_i 40.8 0.58 19.873 0.015 AB
PanSTARRS_z 46.5 1.59 19.731 0.037 AB
SDSS_z 53.67 6.04 19.576 0.122 AB
DES_z 53.58 1.59 19.578 0.032 AB
PanSTARRS_y 45.16 3.32 19.763 0.080 AB

Aperture details

RA, DEC (J2000):8h03m23.63s, 8d17m26.44s
semi major axis, semi minor axis (arcsec):3.38, 3.25
angle (degrees, anti-clockwise from east):-69.3
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.89 0.93 23.208 0.535 AB
GALEX_NUV 1.02 1.14 23.883 1.221 AB
SDSS_u 12.64 2.93 21.146 0.251 AB
SDSS_g 23.57 1.63 20.469 0.075 AB
DES_g 26.76 0.36 20.331 0.015 AB
PanSTARRS_g 26.04 0.69 20.361 0.029 AB
SDSS_r 45.58 2.42 19.753 0.058 AB
PanSTARRS_r 44.28 0.79 19.785 0.019 AB
DES_r 48.58 0.62 19.684 0.014 AB
SDSS_i 55.43 3.14 19.541 0.061 AB
PanSTARRS_i 59.1 0.92 19.471 0.017 AB
PanSTARRS_z 62.97 2.52 19.402 0.044 AB
SDSS_z 77.39 9.65 19.178 0.135 AB
DES_z 73.68 1.96 19.232 0.029 AB
PanSTARRS_y 67.43 5.23 19.328 0.084 AB
2MASS_J 97.68 100.15 18.031 1.113 Vega
2MASS_H 418.28 174.38 15.979 0.453 Vega
2MASS_K -22.14 154.51 Vega
WISE_W1 17.98 11.59 18.064 0.700 Vega
WISE_W2 4.86 20.07 18.844 4.484 Vega
WISE_W3 44.93 75.03 14.595 1.813 Vega
WISE_W4 477.34 446.57 10.583 1.016 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.620 8.715 8.814
{\rm log}_{10}({\rm SFR}) -2.252 -1.680 -1.114
{\rm log}_{10}({\rm sSFR}) -10.955 -10.430 -9.849
{\rm stellar\ age} 5.696 7.194 8.512

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.506 -0.952 -0.534
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.838 -1.331 0.131

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.204 0.537 1.028
\delta -0.479 -0.125 0.205
\tau_1/\tau_2 0.628 0.995 1.338
Q_{PAH} 0.683 2.131 4.415
U_{min} 3.012 8.078 15.235
{\rm log}_{10}(\gamma_e)\, -2.888 -1.566 -0.491

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.724 -0.257 0.170
{\rm log}_{10}(\tau_{AGN})\, 1.176 1.454 1.931

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.335 -1.729 -1.208
0.03-0.10 Gyr -2.365 -1.706 -1.071
0.10-0.33 Gyr -2.393 -1.726 -1.177
0.33-1.09 Gyr -2.471 -1.666 -1.143
1.09-3.57 Gyr -1.998 -1.317 -1.071
3.57-11.77 Gyr -1.492 -1.166 -1.005
11.77-13.08 Gyr -1.722 -1.121 -0.626

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.723 8.892 9.027
{\rm log}_{10}({\rm SFR}) -1.992 -1.274 -0.561
{\rm log}_{10}({\rm sSFR}) -10.928 -10.210 -9.286
{\rm stellar\ age} 4.287 7.104 9.096

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.759 -1.228 -0.548
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.593 0.013 0.379

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.289 0.722 1.173
\delta -0.434 -0.012 0.287
\tau_1/\tau_2 0.584 0.937 1.360
Q_{PAH} 1.063 2.995 5.070
U_{min} 3.148 8.941 16.361
{\rm log}_{10}(\gamma_e)\, -2.895 -1.788 -0.631

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.400 -1.320 -0.336
{\rm log}_{10}(\tau_{AGN})\, 0.965 1.403 1.849

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.546 -1.533 -0.993
0.03-0.10 Gyr -2.126 -1.266 -0.441
0.10-0.33 Gyr -2.258 -1.315 -0.658
0.33-1.09 Gyr -2.530 -1.424 -0.819
1.09-3.57 Gyr -2.260 -1.255 -0.840
3.57-11.77 Gyr -1.897 -1.073 -0.839
11.77-13.08 Gyr -1.933 -0.985 -0.273