2026keb results

Information

Transient
Name:SN2026keb
Right ascension: 21h09m00.61s
Declination:-8d40m52.48s
Discovery Date:April 8, 2026, 12:16 p.m.
Classification:SLSN-II
Redshift:0.198000
MW E(B-V):0.077
Host
Name:J210900.67-084052.64
Object ID:9906618207313542
Catalog Name:decals
Catalog Release:dr9
Right ascension: 21h09m00.67s
Declination:-8d40m52.64s
Redshift:None
Photometric Redshift:0.220
Dataset
Version:0
 
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 8.25
Transient MWEBV processed 0.18
Host match processed 6.69
Host information processed 0.09
Host MWEBV processed 0.19
Host spectrum download processed 0.06
Global aperture construction processed 2.58
Global aperture photometry processed 5.8
Validate global photometry processed 15.54
Global host SED inference processed 374.16
Local aperture photometry processed 5.61
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution


 

Host Galaxy Spectrum

 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.887 10.075 10.192
{\rm log}_{10}({\rm SFR}) -0.043 0.464 0.859
{\rm log}_{10}({\rm sSFR}) -10.089 -9.610 -9.134
{\rm stellar\ age} 2.588 5.294 6.551

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.418 -0.814 -0.247
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.591 -0.712 0.137

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.340 0.769 1.158
\delta -0.304 0.079 0.310
\tau_1/\tau_2 0.716 1.016 1.301
Q_{PAH} 0.824 2.305 4.508
U_{min} 2.771 7.767 15.244
{\rm log}_{10}(\gamma_e)\, -3.013 -1.931 -0.720

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.220 -2.656 -0.782
{\rm log}_{10}(\tau_{AGN})\, 0.981 1.419 1.891

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.226 0.447 0.789
0.03-0.10 Gyr -0.147 0.441 0.916
0.10-0.32 Gyr -0.212 0.342 0.860
0.32-1.01 Gyr -0.374 0.171 0.611
1.01-3.21 Gyr -0.397 0.171 0.434
3.21-10.20 Gyr -0.626 0.149 0.376
10.20-11.33 Gyr -0.932 0.128 0.622
 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):21h09m00.64s, -8d40m52.42s
semi major axis, semi minor axis (arcsec):4.99, 4.1
angle (degrees, anti-clockwise from east):306.53
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.94 1.82 22.728 0.670 AB
GALEX_NUV 4.23 2.44 22.333 0.627 AB
DES_g 21.47 0.33 20.570 0.017 AB
PanSTARRS_g 18.83 0.97 20.713 0.056 AB
PanSTARRS_r 42.03 1.26 19.841 0.033 AB
DES_r 44.04 0.62 19.790 0.015 AB
PanSTARRS_i 61.1 1.05 19.435 0.019 AB
PanSTARRS_z 69.25 2.81 19.299 0.044 AB
DES_z 78.7 1.99 19.160 0.028 AB
PanSTARRS_y 52.39 8.54 19.602 0.177 AB
2MASS_J 199.28 162.6 17.256 0.886 Vega
2MASS_H -150.81 244.29 Vega
2MASS_K 72.13 246.12 17.417 3.705 Vega
WISE_W1 36.06 12.32 17.308 0.371 Vega
WISE_W2 17.31 14.56 17.465 0.913 Vega
WISE_W3 -43.44 71.53 Vega
WISE_W4 114.58 461.86 12.132 4.376 Vega