2026lgu results

Information

Transient
Name:AT2026lgu
Right ascension: 11h42m36.85s
Declination:57d19m05.84s
Discovery Date:April 15, 2026, 6:12 p.m.
Classification:None
Redshift:None
MW E(B-V):0.009
Host
Name:SDSSJ114236.74+57191
Right ascension: 11h42m36.72s
Declination:57d19m10.74s
Redshift:None
Photometric Redshift:0.066
 

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_z
DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 20.96
Transient MWEBV processed 0.04
Host match processed 4.4
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 6.17
Validate global photometry processed 18.59
Global host SED inference processed 404.35
Local aperture photometry processed 5.94
Validate local photometry processed 0.03
Local host SED inference processed 434.3
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):11h42m36.85s, 57d19m05.84s
semi major axis, semi minor axis (arcsec):1.58, 1.58
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 3.25 1.52 22.620 0.509 AB
SDSS_g 6.28 0.77 21.904 0.133 AB
DES_g 7.47 0.22 21.716 0.032 AB
PanSTARRS_g 6.25 0.35 21.910 0.061 AB
SDSS_r 9.49 1.05 21.457 0.120 AB
PanSTARRS_r 8.03 0.56 21.638 0.075 AB
SDSS_i 12.83 1.4 21.129 0.119 AB
PanSTARRS_i 10.71 0.53 21.326 0.053 AB
PanSTARRS_z 9.41 0.88 21.466 0.102 AB
SDSS_z 23.19 5.94 20.487 0.278 AB
DES_z 9.45 0.78 21.462 0.089 AB
PanSTARRS_y 14.75 3.12 20.978 0.229 AB

Aperture details

RA, DEC (J2000):11h42m36.71s, 57d19m10.96s
semi major axis, semi minor axis (arcsec):7.11, 6.33
angle (degrees, anti-clockwise from east):-28.13
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 49.7 4.38 19.659 0.096 AB
GALEX_NUV 61.42 1.18 19.429 0.021 AB
SDSS_u 101.38 6.75 18.885 0.072 AB
SDSS_g 313.4 4.93 17.660 0.017 AB
DES_g 309.09 1.37 17.675 0.005 AB
PanSTARRS_g 308.98 1.52 17.675 0.005 AB
SDSS_r 439.28 6.18 17.293 0.015 AB
PanSTARRS_r 430.19 2.37 17.316 0.006 AB
SDSS_i 584.06 7.69 16.984 0.014 AB
PanSTARRS_i 560.96 2.23 17.028 0.004 AB
PanSTARRS_z 602.28 3.73 16.951 0.007 AB
SDSS_z 784.99 25.62 16.663 0.035 AB
DES_z 613.94 5.11 16.930 0.009 AB
PanSTARRS_y 648.5 13.07 16.870 0.022 AB
2MASS_J 625.17 126.42 16.015 0.220 Vega
2MASS_H 937.4 193.16 15.103 0.224 Vega
2MASS_K 593.71 222.9 15.128 0.408 Vega
WISE_W1 350.27 12.4 14.840 0.038 Vega
WISE_W2 204.29 16.0 14.785 0.085 Vega
WISE_W3 977.01 68.58 11.251 0.076 Vega
WISE_W4 250.71 350.06 11.282 1.516 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.715 7.942 8.107
{\rm log}_{10}({\rm SFR}) -1.984 -1.431 -0.605
{\rm log}_{10}({\rm sSFR}) -10.009 -9.354 -8.296
{\rm stellar\ age} 0.647 4.356 6.481

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.657 -1.162 -0.554
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.411 -0.530 0.102

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.186 0.499 1.116
\delta -0.310 0.015 0.252
\tau_1/\tau_2 0.731 1.117 1.523
Q_{PAH} 0.980 2.551 4.715
U_{min} 2.760 7.630 14.583
{\rm log}_{10}(\gamma_e)\, -2.774 -1.748 -0.704

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.186 -0.236 0.161
{\rm log}_{10}(\tau_{AGN})\, 1.026 1.551 1.943

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.906 -1.537 -1.022
0.03-0.10 Gyr -2.093 -1.418 -0.490
0.10-0.33 Gyr -2.355 -1.603 -1.032
0.33-1.08 Gyr -3.042 -1.784 -1.385
1.08-3.53 Gyr -3.698 -2.006 -1.670
3.53-11.59 Gyr -4.135 -2.252 -1.826
11.59-12.88 Gyr -4.122 -2.346 -1.691

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.879 9.947 10.040
{\rm log}_{10}({\rm SFR}) -0.276 -0.010 0.244
{\rm log}_{10}({\rm sSFR}) -10.212 -9.968 -9.723
{\rm stellar\ age} 6.538 7.294 8.498

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.310 -0.981 -0.751
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.753 -0.138 0.340

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.099 0.206 0.377
\delta -0.242 0.093 0.281
\tau_1/\tau_2 0.690 1.046 1.394
Q_{PAH} 0.540 1.866 3.898
U_{min} 2.731 7.791 14.764
{\rm log}_{10}(\gamma_e)\, -2.706 -1.554 -0.714

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.806 -2.489 -1.730
{\rm log}_{10}(\tau_{AGN})\, 1.018 1.439 1.829

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.830 -0.537 -0.350
0.03-0.10 Gyr -0.226 0.110 0.394
0.10-0.33 Gyr -0.293 0.002 0.232
0.33-1.08 Gyr -0.572 -0.215 -0.006
1.08-3.53 Gyr -0.576 -0.192 0.028
3.53-11.59 Gyr -0.083 0.083 0.212
11.59-12.88 Gyr -0.199 0.219 0.697