2026egw results

Information

Transient
Name:SN2026egw
Right ascension: 12h21m31.30s
Declination:12d31m11.54s
Discovery Date:Feb. 23, 2026, 9:19 a.m.
Classification:SN Ia
Redshift:0.057796
MW E(B-V):0.034
Host
Name:165094
Right ascension: 12h21m30.90s
Declination:12d31m07.78s
Redshift:None
Photometric Redshift:0.058
 

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 18.91
Transient MWEBV processed 0.1
Host match processed 5.59
Host information processed 0.16
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 6.13
Validate global photometry processed 18.67
Global host SED inference processed 371.08
Local aperture photometry processed 6.07
Validate local photometry processed 0.03
Local host SED inference processed 456.16
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h21m31.30s, 12d31m11.54s
semi major axis, semi minor axis (arcsec):1.79, 1.79
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 7.98 1.74 21.646 0.237 AB
SDSS_g 25.72 1.42 20.374 0.060 AB
DES_g 27.08 0.25 20.318 0.010 AB
PanSTARRS_g 26.09 0.45 20.359 0.019 AB
SDSS_r 41.38 1.86 19.858 0.049 AB
PanSTARRS_r 42.51 0.5 19.829 0.013 AB
DES_r 47.05 0.65 19.719 0.015 AB
SDSS_i 55.01 2.35 19.549 0.046 AB
PanSTARRS_i 52.38 0.67 19.602 0.014 AB
PanSTARRS_z 62.36 0.96 19.413 0.017 AB
SDSS_z 58.37 6.46 19.484 0.120 AB
DES_z 69.69 1.88 19.292 0.029 AB
PanSTARRS_y 75.42 1.85 19.206 0.027 AB

Aperture details

RA, DEC (J2000):12h21m30.98s, 12d31m07.80s
semi major axis, semi minor axis (arcsec):14.71, 9.96
angle (degrees, anti-clockwise from east):-161.52
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 46.69 2.2 19.727 0.051 AB
GALEX_NUV 78.63 1.73 19.161 0.024 AB
SDSS_u 177.45 11.43 18.277 0.070 AB
SDSS_g 722.93 7.93 16.752 0.012 AB
DES_g 770.18 1.44 16.684 0.002 AB
PanSTARRS_g 762.8 3.09 16.694 0.004 AB
SDSS_r 1223.04 10.72 16.181 0.010 AB
PanSTARRS_r 1263.1 3.38 16.146 0.003 AB
DES_r 1383.45 3.67 16.048 0.003 AB
SDSS_i 1735.07 14.25 15.802 0.009 AB
PanSTARRS_i 1638.23 4.5 15.864 0.003 AB
PanSTARRS_z 1918.93 6.5 15.692 0.004 AB
SDSS_z 1984.66 43.39 15.656 0.024 AB
DES_z 2079.39 10.65 15.605 0.006 AB
PanSTARRS_y 2279.81 12.49 15.505 0.006 AB
2MASS_J 2944.59 275.05 14.333 0.101 Vega
2MASS_H 4094.35 479.66 13.502 0.127 Vega
2MASS_K 2811.7 456.11 13.440 0.176 Vega
WISE_W1 1327.4 26.27 13.393 0.021 Vega
WISE_W2 812.47 32.2 13.286 0.043 Vega
WISE_W3 2644.26 140.45 10.170 0.058 Vega
WISE_W4 3306.67 760.86 8.482 0.250 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.647 8.806 8.918
{\rm log}_{10}({\rm SFR}) -1.934 -1.298 -0.709
{\rm log}_{10}({\rm sSFR}) -10.733 -10.110 -9.390
{\rm stellar\ age} 3.080 5.661 6.986

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.194 -0.518 -0.134
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.616 -0.335 0.308

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.141 0.474 0.889
\delta -0.696 -0.277 0.152
\tau_1/\tau_2 0.688 1.008 1.339
Q_{PAH} 1.390 3.424 5.451
U_{min} 2.949 7.809 14.701
{\rm log}_{10}(\gamma_e)\, -3.035 -2.047 -0.863

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.421 -0.641 -0.001
{\rm log}_{10}(\tau_{AGN})\, 1.075 1.554 1.964

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.973 -1.377 -0.958
0.03-0.10 Gyr -2.129 -1.344 -0.612
0.10-0.33 Gyr -1.782 -1.038 -0.436
0.33-1.08 Gyr -1.523 -0.903 -0.526
1.08-3.55 Gyr -1.778 -1.107 -0.843
3.55-11.69 Gyr -2.101 -1.274 -1.007
11.69-12.99 Gyr -2.344 -1.323 -0.819
0.33-1.08 Gyr -1.424 -0.915 -0.579
1.08-3.55 Gyr -1.474 -1.046 -0.816
3.55-11.69 Gyr -1.860 -1.204 -0.971
11.69-12.99 Gyr -2.046 -1.263 -0.793

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.367 10.425 10.482
{\rm log}_{10}({\rm SFR}) -0.167 0.038 0.232
{\rm log}_{10}({\rm sSFR}) -10.606 -10.394 -10.194
{\rm stellar\ age} 6.927 7.675 9.197

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.765 -0.591 -0.451
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.650 -0.096 0.192

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.145 0.226 0.343
\delta -0.622 -0.302 -0.064
\tau_1/\tau_2 0.841 1.200 1.556
Q_{PAH} 0.494 1.294 2.360
U_{min} 2.659 7.572 14.495
{\rm log}_{10}(\gamma_e)\, -3.000 -1.933 -1.278

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.414 -3.477 -2.523
{\rm log}_{10}(\tau_{AGN})\, 1.011 1.523 1.924

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.048 0.085 0.205
0.03-0.10 Gyr -0.324 0.021 0.288
0.10-0.33 Gyr -0.205 0.098 0.356
0.33-1.08 Gyr -0.361 0.025 0.265
1.08-3.55 Gyr -0.240 0.193 0.438
3.55-11.69 Gyr 0.383 0.568 0.678
11.69-12.99 Gyr 0.272 0.728 1.264
0.33-1.08 Gyr -0.346 0.027 0.258
1.08-3.55 Gyr -0.238 0.189 0.443
3.55-11.69 Gyr 0.392 0.572 0.681
11.69-12.99 Gyr 0.256 0.706 1.243