2026egu results

Information

Transient
Name:SN2026egu
Right ascension: 8h38m01.08s
Declination:9d18m24.62s
Discovery Date:Feb. 23, 2026, 9:06 a.m.
Classification:SN Ia
Redshift:0.060000
MW E(B-V):0.038
Host
Name:1363171
Right ascension: 8h38m01.20s
Declination:9d18m26.28s
Redshift:None
Photometric Redshift:0.064
 

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

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.31
Transient MWEBV processed 0.13
Host match processed 5.26
Host information processed 0.15
Host MWEBV processed 0.11
Global aperture construction processed 0.63
Global aperture photometry processed 6.68
Validate global photometry processed 18.81
Global host SED inference processed 561.76
Local aperture photometry processed 6.56
Validate local photometry processed 0.02
Local host SED inference processed 524.48
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h38m01.08s, 9d18m24.62s
semi major axis, semi minor axis (arcsec):1.73, 1.73
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 16.35 1.65 20.866 0.109 AB
SDSS_g 113.26 2.81 18.765 0.027 AB
DES_g 119.23 0.46 18.709 0.004 AB
PanSTARRS_g 101.9 0.42 18.880 0.005 AB
SDSS_r 266.79 4.31 17.835 0.018 AB
PanSTARRS_r 214.5 0.41 18.071 0.002 AB
DES_r 277.21 1.33 17.793 0.005 AB
SDSS_i 374.9 5.17 17.465 0.015 AB
PanSTARRS_i 306.46 0.66 17.684 0.002 AB
PanSTARRS_z 397.62 1.32 17.401 0.004 AB
SDSS_z 499.79 7.01 17.153 0.015 AB
DES_z 516.31 3.91 17.118 0.008 AB
PanSTARRS_y 475.67 3.0 17.207 0.007 AB

Aperture details

RA, DEC (J2000):8h38m01.12s, 9d18m26.56s
semi major axis, semi minor axis (arcsec):9.97, 8.49
angle (degrees, anti-clockwise from east):-88.61
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 75.67 7.52 19.203 0.108 AB
SDSS_g 646.98 7.21 16.873 0.012 AB
DES_g 704.32 1.23 16.781 0.002 AB
PanSTARRS_g 696.15 2.02 16.793 0.003 AB
SDSS_r 1463.05 10.8 15.987 0.008 AB
PanSTARRS_r 1508.11 1.84 15.954 0.001 AB
DES_r 1628.34 3.43 15.871 0.002 AB
SDSS_i 2112.73 13.58 15.588 0.007 AB
PanSTARRS_i 2104.05 3.18 15.592 0.002 AB
PanSTARRS_z 2734.72 6.63 15.308 0.003 AB
SDSS_z 2864.61 25.15 15.257 0.010 AB
DES_z 2953.66 9.79 15.224 0.004 AB
PanSTARRS_y 3306.96 15.76 15.101 0.005 AB
2MASS_J 4000.24 184.1 14.000 0.050 Vega
2MASS_H 5398.05 302.7 13.202 0.061 Vega
2MASS_K 4475.96 305.39 12.935 0.074 Vega
WISE_W1 1792.22 28.08 13.068 0.017 Vega
WISE_W2 988.25 31.9 13.074 0.035 Vega
WISE_W3 219.61 101.4 12.872 0.501 Vega
WISE_W4 183.6 459.74 11.620 2.719 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.719 9.825 9.927
{\rm log}_{10}({\rm SFR}) -0.969 -0.573 -0.190
{\rm log}_{10}({\rm sSFR}) -10.848 -10.377 -9.953
{\rm stellar\ age} 5.223 6.819 8.367

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.650 -0.328 -0.072
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.811 -0.807 0.254

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.390 0.594 0.896
\delta -0.892 -0.632 -0.324
\tau_1/\tau_2 0.644 0.963 1.286
Q_{PAH} 1.261 3.011 5.495
U_{min} 2.582 7.488 14.333
{\rm log}_{10}(\gamma_e)\, -3.156 -1.713 -0.627

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.810 -2.161 -1.024
{\rm log}_{10}(\tau_{AGN})\, 0.877 1.454 1.889

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.746 -0.463 -0.178
0.03-0.10 Gyr -1.329 -0.664 -0.166
0.10-0.33 Gyr -1.381 -0.609 -0.095
0.33-1.08 Gyr -1.220 -0.507 0.014
1.08-3.54 Gyr -1.104 -0.245 0.058
3.54-11.62 Gyr -0.578 -0.059 0.137
11.62-12.91 Gyr -0.644 0.055 0.708
0.33-1.08 Gyr -1.046 -0.325 0.078
1.08-3.55 Gyr -0.686 -0.107 0.125
3.55-11.66 Gyr -0.485 -0.106 0.078
11.66-12.96 Gyr -0.649 -0.044 0.500

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.515 10.655 10.739
{\rm log}_{10}({\rm SFR}) -1.277 -0.486 0.012
{\rm log}_{10}({\rm sSFR}) -11.899 -11.118 -10.604
{\rm stellar\ age} 5.596 7.477 9.707

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.099 -0.882 -0.738
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.415 -0.566 0.065

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.414 0.543 0.715
\delta -0.974 -0.903 -0.778
\tau_1/\tau_2 0.615 0.997 1.377
Q_{PAH} 0.280 1.132 2.481
U_{min} 2.184 7.290 15.195
{\rm log}_{10}(\gamma_e)\, -3.120 -1.904 -1.018

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.655 -3.991 -3.068
{\rm log}_{10}(\tau_{AGN})\, 1.067 1.579 1.938

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.352 -0.417 0.028
0.03-0.10 Gyr -1.907 -0.592 0.029
0.10-0.33 Gyr -1.489 -0.263 0.361
0.33-1.08 Gyr -1.292 0.063 0.671
1.08-3.54 Gyr -0.587 0.534 1.011
3.54-11.62 Gyr -0.250 0.797 0.990
11.62-12.91 Gyr -0.442 0.875 1.668
0.33-1.08 Gyr -1.002 0.081 0.653
1.08-3.55 Gyr -0.811 0.423 0.840
3.55-11.66 Gyr -0.219 0.765 0.936
11.66-12.96 Gyr -0.374 0.814 1.594