2026ltj results

Information

Transient
Name:SN2026ltj
Right ascension: 13h57m12.97s
Declination:-17d15m22.75s
Discovery Date:May 8, 2026, 7:03 a.m.
Classification:SN Ia
Redshift:0.075000
MW E(B-V):0.072
Host
Name:J135712.94-171522.45
Object ID:87292093038932796
Catalog Name:panstarrs
Catalog Release:dr2
Right ascension: 13h57m12.94s
Declination:-17d15m22.45s
Redshift:None
Photometric Redshift:None
 

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_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 4.74
Transient MWEBV processed 0.07
Host match processed 6.44
Host information processed 0.07
Host MWEBV processed 0.05
Global aperture construction processed 0.6
Global aperture photometry processed 3.76
Validate global photometry processed 11.05
Global host SED inference processed 398.12
Local aperture photometry processed 3.65
Validate local photometry processed 0.02
Local host SED inference processed 402.93
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):13h57m12.97s, -17d15m22.75s
semi major axis, semi minor axis (arcsec):1.41, 1.41
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 38.45 0.4 19.938 0.011 AB
PanSTARRS_r 63.42 0.59 19.394 0.010 AB
PanSTARRS_i 101.15 0.5 18.888 0.005 AB
PanSTARRS_z 116.52 0.95 18.734 0.009 AB
PanSTARRS_y 131.24 2.28 18.605 0.019 AB

Aperture details

RA, DEC (J2000):13h57m12.93s, -17d15m22.35s
semi major axis, semi minor axis (arcsec):5.31, 4.34
angle (degrees, anti-clockwise from east):-93.21
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.23 2.84 21.611 0.374 AB
GALEX_NUV 8.48 1.86 21.580 0.238 AB
PanSTARRS_g 115.21 1.3 18.746 0.012 AB
PanSTARRS_r 188.04 1.93 18.214 0.011 AB
PanSTARRS_i 284.08 1.6 17.766 0.006 AB
PanSTARRS_z 325.26 3.16 17.619 0.011 AB
PanSTARRS_y 371.82 7.64 17.474 0.022 AB
2MASS_J 379.49 119.64 16.557 0.342 Vega
2MASS_H 666.36 164.65 15.473 0.268 Vega
2MASS_K 248.91 236.36 16.072 1.031 Vega
WISE_W1 196.44 11.71 15.468 0.065 Vega
WISE_W2 111.74 17.54 15.440 0.170 Vega
WISE_W3 394.94 70.56 12.235 0.194 Vega
WISE_W4 826.52 425.21 9.987 0.559 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.323 9.500 9.630
{\rm log}_{10}({\rm SFR}) -0.741 -0.320 0.089
{\rm log}_{10}({\rm sSFR}) -10.291 -9.834 -9.314
{\rm stellar\ age} 4.574 6.738 8.199

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.537 -0.913 -0.385
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.701 -1.076 -0.055

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.569 0.880 1.192
\delta -0.528 -0.191 0.136
\tau_1/\tau_2 0.676 1.027 1.362
Q_{PAH} 0.745 2.496 4.795
U_{min} 2.942 7.708 14.415
{\rm log}_{10}(\gamma_e)\, -3.071 -2.069 -1.173

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.384 -1.576 -0.642
{\rm log}_{10}(\tau_{AGN})\, 0.948 1.407 1.889

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.670 -0.407 -0.127
0.03-0.10 Gyr -0.920 -0.313 0.184
0.10-0.33 Gyr -1.153 -0.532 -0.060
0.33-1.07 Gyr -1.325 -0.650 -0.180
1.07-3.51 Gyr -1.200 -0.560 -0.267
3.51-11.49 Gyr -0.923 -0.436 -0.216
11.49-12.77 Gyr -1.105 -0.378 0.179

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.837 9.915 9.994
{\rm log}_{10}({\rm SFR}) -0.676 -0.383 -0.088
{\rm log}_{10}({\rm sSFR}) -10.594 -10.267 -9.983
{\rm stellar\ age} 6.756 7.589 9.367

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.187 -0.873 -0.653
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.590 -0.342 0.210

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.178 0.285 0.436
\delta -0.792 -0.506 -0.223
\tau_1/\tau_2 0.787 1.130 1.493
Q_{PAH} 0.525 1.411 2.840
U_{min} 2.516 7.319 14.348
{\rm log}_{10}(\gamma_e)\, -2.822 -1.973 -1.159

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.317 -3.223 -2.274
{\rm log}_{10}(\tau_{AGN})\, 1.001 1.475 1.901

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.848 -0.612 -0.414
0.03-0.10 Gyr -0.701 -0.315 0.039
0.10-0.33 Gyr -0.884 -0.396 -0.065
0.33-1.07 Gyr -1.190 -0.575 -0.263
1.07-3.51 Gyr -1.006 -0.394 -0.082
3.51-11.49 Gyr -0.170 0.067 0.186
11.49-12.77 Gyr -0.298 0.202 0.806