2026xg results

Information

Transient
Name:SN2026xg
Right ascension: 12h51m04.98s
Declination:8d12m32.44s
Discovery Date:Jan. 11, 2026, 12:09 p.m.
Classification:SN IIb
Redshift:0.055000
MW E(B-V):0.023
Host
Name:
Right ascension: 12h51m04.79s
Declination:8d12m31.01s
Redshift:None
Photometric Redshift:0.049
 

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 19.37
Transient MWEBV processed 0.04
Host match processed 6.44
Host information processed 0.13
Host MWEBV processed 0.04
Global aperture construction processed 0.72
Global aperture photometry processed 6.63
Validate global photometry processed 18.53
Global host SED inference processed 603.7
Local aperture photometry processed 6.17
Validate local photometry processed 0.03
Local host SED inference processed 426.81
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h51m04.98s, 8d12m32.44s
semi major axis, semi minor axis (arcsec):1.87, 1.87
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 -3.39 1.79 AB
SDSS_g 7.89 1.03 21.657 0.141 AB
DES_g 8.54 0.18 21.571 0.023 AB
PanSTARRS_g 8.48 0.43 21.579 0.054 AB
SDSS_r 13.29 1.31 21.091 0.107 AB
PanSTARRS_r 12.27 0.52 21.178 0.046 AB
DES_r 13.75 0.36 21.054 0.028 AB
SDSS_i 17.34 2.05 20.803 0.129 AB
PanSTARRS_i 14.76 0.71 20.977 0.052 AB
PanSTARRS_z 16.13 1.27 20.881 0.085 AB
SDSS_z 28.32 5.71 20.270 0.219 AB
DES_z 18.56 0.9 20.729 0.053 AB
PanSTARRS_y 16.36 2.44 20.866 0.162 AB

Aperture details

RA, DEC (J2000):12h51m04.76s, 8d12m30.93s
semi major axis, semi minor axis (arcsec):5.43, 3.0
angle (degrees, anti-clockwise from east):-109.24
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 16.57 3.99 20.852 0.261 AB
GALEX_NUV 12.85 1.68 21.128 0.142 AB
SDSS_u 4.16 4.05 22.352 1.058 AB
SDSS_g 51.29 2.44 19.625 0.052 AB
DES_g 54.77 0.42 19.554 0.008 AB
PanSTARRS_g 52.8 0.92 19.593 0.019 AB
SDSS_r 80.27 3.05 19.139 0.041 AB
PanSTARRS_r 78.91 1.12 19.157 0.015 AB
DES_r 91.54 0.84 18.996 0.010 AB
SDSS_i 105.73 4.6 18.839 0.047 AB
PanSTARRS_i 96.54 1.52 18.938 0.017 AB
PanSTARRS_z 106.89 2.65 18.828 0.027 AB
SDSS_z 152.73 12.39 18.440 0.088 AB
DES_z 120.67 2.16 18.696 0.019 AB
PanSTARRS_y 118.17 5.1 18.719 0.047 AB
2MASS_J 462.53 134.7 16.342 0.316 Vega
2MASS_H 11.85 184.65 19.848 16.921 Vega
2MASS_K 39.05 243.33 18.083 6.765 Vega
WISE_W1 43.29 9.25 17.110 0.232 Vega
WISE_W2 13.88 9.95 17.705 0.779 Vega
WISE_W3 86.87 65.34 13.879 0.817 Vega
WISE_W4 577.45 416.42 10.376 0.783 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.975 8.200 8.334
{\rm log}_{10}({\rm SFR}) -2.322 -1.493 -0.789
{\rm log}_{10}({\rm sSFR}) -10.553 -9.715 -8.803
{\rm stellar\ age} 1.677 5.394 7.172

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.705 -1.179 -0.413
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.784 -1.166 0.111

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.238 0.706 1.269
\delta -0.390 -0.051 0.247
\tau_1/\tau_2 0.698 1.041 1.413
Q_{PAH} 1.356 3.052 5.168
U_{min} 3.076 8.311 15.801
{\rm log}_{10}(\gamma_e)\, -2.696 -1.653 -0.603

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.596 -0.404 0.174
{\rm log}_{10}(\tau_{AGN})\, 1.155 1.523 1.940

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.491 -1.649 -1.119
0.03-0.10 Gyr -2.473 -1.512 -0.689
0.10-0.33 Gyr -2.420 -1.534 -0.889
0.33-1.09 Gyr -2.426 -1.716 -1.295
1.09-3.58 Gyr -2.450 -1.780 -1.508
3.58-11.79 Gyr -2.694 -1.852 -1.583
11.79-13.10 Gyr -2.863 -1.907 -1.382
0.33-1.08 Gyr -2.481 -1.626 -1.166
1.08-3.56 Gyr -2.793 -1.747 -1.462
3.56-11.72 Gyr -3.241 -1.850 -1.557
11.72-13.02 Gyr -3.278 -1.923 -1.350

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.036 9.107 9.205
{\rm log}_{10}({\rm SFR}) -1.107 -0.819 -0.530
{\rm log}_{10}({\rm sSFR}) -10.216 -9.935 -9.661
{\rm stellar\ age} 6.939 7.826 9.739

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.127 -0.651 -0.343
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.265 0.286 0.430

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.026 0.125 0.358
\delta -0.209 0.167 0.332
\tau_1/\tau_2 0.633 1.054 1.477
Q_{PAH} 0.848 2.442 4.670
U_{min} 3.008 8.162 15.248
{\rm log}_{10}(\gamma_e)\, -2.031 -0.904 -0.267

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.362 -1.230 -0.740
{\rm log}_{10}(\tau_{AGN})\, 1.335 1.697 1.923

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.352 -1.130 -0.952
0.03-0.10 Gyr -1.095 -0.726 -0.407
0.10-0.33 Gyr -1.469 -1.034 -0.755
0.33-1.09 Gyr -1.976 -1.443 -1.151
1.09-3.58 Gyr -1.853 -1.300 -1.017
3.58-11.79 Gyr -1.083 -0.872 -0.753
11.79-13.10 Gyr -1.082 -0.614 -0.087
0.33-1.08 Gyr -1.814 -1.324 -1.044
1.08-3.56 Gyr -1.735 -1.194 -0.910
3.56-11.72 Gyr -1.001 -0.777 -0.655
11.72-13.02 Gyr -0.969 -0.517 0.040