2026lst results

Information

Transient
Name:AT2026lst
Right ascension: 0h17m43.92s
Declination:18d16m22.09s
Discovery Date:May 7, 2026, 11:45 a.m.
Classification:None
Redshift:None
MW E(B-V):0.039
Host
Name:J001744.00+181612.12
Object ID:9906628200501598
Catalog Name:decals
Catalog Release:dr9
Right ascension: 0h17m44.00s
Declination:18d16m12.12s
Redshift:None
Photometric Redshift:0.024
 

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 19.4
Transient MWEBV processed 0.14
Host match processed 6.57
Host information processed 0.14
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 6.62
Validate global photometry processed 19.25
Global host SED inference processed 404.36
Local aperture photometry processed 6.25
Validate local photometry processed 0.03
Local host SED inference processed 410.89
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h17m43.92s, 18d16m22.09s
semi major axis, semi minor axis (arcsec):4.11, 4.11
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 -2.01 3.32 AB
SDSS_g 18.26 1.6 20.746 0.095 AB
DES_g 15.45 0.35 20.928 0.024 AB
PanSTARRS_g 14.97 0.99 20.962 0.071 AB
SDSS_r 12.01 2.21 21.201 0.199 AB
PanSTARRS_r 19.13 1.03 20.696 0.058 AB
DES_r 20.46 0.67 20.622 0.036 AB
SDSS_i 26.07 3.7 20.360 0.154 AB
PanSTARRS_i 24.38 1.48 20.433 0.066 AB
PanSTARRS_z 4.24 3.67 22.331 0.940 AB
SDSS_z 11.38 12.42 21.260 1.185 AB
DES_z 25.13 1.75 20.399 0.076 AB
PanSTARRS_y 44.24 6.71 19.785 0.165 AB
2MASS_J 76.06 88.35 18.302 1.261 Vega
2MASS_H -19.73 126.4 Vega
2MASS_K 39.15 165.7 18.080 4.595 Vega

Aperture details

RA, DEC (J2000):0h17m43.96s, 18d16m12.76s
semi major axis, semi minor axis (arcsec):13.63, 5.24
angle (degrees, anti-clockwise from east):-24.17
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 55.3 5.44 19.543 0.107 AB
GALEX_NUV 65.57 3.57 19.358 0.059 AB
SDSS_u 104.2 7.24 18.855 0.075 AB
SDSS_g 254.26 4.71 17.887 0.020 AB
DES_g 227.89 0.93 18.006 0.004 AB
PanSTARRS_g 248.24 2.03 17.913 0.009 AB
SDSS_r 273.92 5.81 17.806 0.023 AB
PanSTARRS_r 301.83 2.09 17.701 0.008 AB
DES_r 299.76 1.92 17.708 0.007 AB
SDSS_i 375.68 8.56 17.463 0.025 AB
PanSTARRS_i 376.14 3.02 17.462 0.009 AB
PanSTARRS_z 364.85 7.5 17.495 0.022 AB
DES_z 364.1 4.78 17.497 0.014 AB
PanSTARRS_y 488.19 13.74 17.179 0.031 AB
2MASS_J 768.78 193.7 15.791 0.274 Vega
2MASS_H 549.31 275.68 15.683 0.545 Vega
2MASS_K 841.64 363.15 14.749 0.468 Vega
WISE_W1 203.96 19.52 15.427 0.104 Vega
WISE_W2 50.31 20.23 16.307 0.437 Vega
WISE_W3 621.74 142.09 11.742 0.248 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.193 7.612 7.804
{\rm log}_{10}({\rm SFR}) -2.072 -1.489 -0.975
{\rm log}_{10}({\rm sSFR}) -9.804 -9.100 -8.095
{\rm stellar\ age} 0.724 5.576 7.617

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.546 -1.098 -0.546
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.691 -0.452 -0.185

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.462 0.870 1.315
\delta -0.343 0.011 0.283
\tau_1/\tau_2 0.646 0.992 1.352
Q_{PAH} 0.800 2.149 4.213
U_{min} 2.616 7.931 15.359
{\rm log}_{10}(\gamma_e)\, -3.185 -2.292 -1.164

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.278 -1.019 -0.258
{\rm log}_{10}(\tau_{AGN})\, 1.070 1.470 1.869

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.193 -1.753 -1.355
0.03-0.10 Gyr -2.168 -1.447 -0.853
0.10-0.33 Gyr -3.788 -2.202 -1.566
0.33-1.10 Gyr -4.834 -2.540 -1.964
1.10-3.65 Gyr -4.956 -2.573 -2.094
3.65-12.09 Gyr -4.868 -2.544 -2.097
12.09-13.43 Gyr -4.602 -2.551 -1.883

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.567 8.737 8.872
{\rm log}_{10}({\rm SFR}) -0.734 -0.529 -0.338
{\rm log}_{10}({\rm sSFR}) -9.498 -9.272 -8.993
{\rm stellar\ age} 5.243 6.736 8.019

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.458 -0.947 -0.540
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.187 -0.063 0.026

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.169 0.349 0.543
\delta -0.053 0.173 0.314
\tau_1/\tau_2 0.753 1.065 1.407
Q_{PAH} 0.244 0.707 1.725
U_{min} 2.843 7.514 13.943
{\rm log}_{10}(\gamma_e)\, -3.313 -2.273 -1.481

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.806 -2.426 -1.661
{\rm log}_{10}(\tau_{AGN})\, 1.021 1.390 1.821

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.272 -1.100 -0.925
0.03-0.10 Gyr -0.625 -0.406 -0.201
0.10-0.33 Gyr -1.472 -0.910 -0.587
0.33-1.10 Gyr -1.785 -1.321 -1.018
1.10-3.65 Gyr -1.793 -1.357 -1.093
3.65-12.09 Gyr -1.576 -1.233 -1.017
12.09-13.43 Gyr -1.705 -1.173 -0.675