2026lhg results

Information

Transient
Name:AT2026lhg
Right ascension: 18h47m35.18s
Declination:45d13m17.86s
Discovery Date:April 15, 2026, 9:15 p.m.
Classification:None
Redshift:None
MW E(B-V):0.051
Host
Name:J184734.78+451319.79
Right ascension: 18h47m34.78s
Declination:45d13m19.79s
Redshift:None
Photometric Redshift:0.078
 

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 5.25
Transient MWEBV processed 0.04
Host match processed 5.06
Host information processed 0.15
Host MWEBV processed 0.17
Global aperture construction processed 0.64
Global aperture photometry processed 3.93
Validate global photometry processed 14.83
Global host SED inference processed 405.67
Local aperture photometry processed 3.81
Validate local photometry processed 0.02
Local host SED inference processed 427.47
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):18h47m35.18s, 45d13m17.86s
semi major axis, semi minor axis (arcsec):1.35, 1.35
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 21.91 0.3 20.549 0.015 AB
PanSTARRS_r 44.5 0.48 19.779 0.012 AB
PanSTARRS_i 63.54 0.41 19.392 0.007 AB
PanSTARRS_z 77.54 0.97 19.176 0.014 AB
PanSTARRS_y 93.58 2.23 18.972 0.026 AB

Aperture details

RA, DEC (J2000):18h47m34.77s, 45d13m19.83s
semi major axis, semi minor axis (arcsec):16.3, 9.18
angle (degrees, anti-clockwise from east):-51.66
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 37.26 6.18 19.972 0.180 AB
GALEX_NUV 41.48 1.54 19.855 0.040 AB
PanSTARRS_g 704.34 2.6 16.781 0.004 AB
PanSTARRS_r 1421.07 4.19 16.018 0.003 AB
PanSTARRS_i 2118.2 3.66 15.585 0.002 AB
PanSTARRS_z 2640.56 8.61 15.346 0.004 AB
PanSTARRS_y 3098.73 20.02 15.172 0.007 AB
2MASS_J 4045.34 252.54 13.988 0.068 Vega
2MASS_H 4355.29 405.95 13.435 0.101 Vega
2MASS_K 4046.69 450.82 13.044 0.121 Vega
WISE_W1 2109.8 26.06 12.890 0.013 Vega
WISE_W2 1294.09 30.18 12.781 0.025 Vega
WISE_W3 1970.02 79.01 10.490 0.044 Vega
WISE_W4 1335.03 451.42 9.466 0.367 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.354 9.466 9.597
{\rm log}_{10}({\rm SFR}) -2.102 -1.354 -0.598
{\rm log}_{10}({\rm sSFR}) -11.551 -10.811 -10.093
{\rm stellar\ age} 6.180 7.479 9.878

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.352 -0.755 -0.306
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.569 -0.696 0.140

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.269 0.678 1.158
\delta -0.422 -0.008 0.277
\tau_1/\tau_2 0.629 0.977 1.328
Q_{PAH} 0.877 2.845 5.227
U_{min} 3.079 7.997 14.577
{\rm log}_{10}(\gamma_e)\, -2.971 -1.822 -0.636

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.529 -0.632 -0.085
{\rm log}_{10}(\tau_{AGN})\, 1.042 1.512 1.901

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.302 -1.434 -0.811
0.03-0.10 Gyr -2.288 -1.395 -0.522
0.10-0.33 Gyr -2.366 -1.360 -0.630
0.33-1.07 Gyr -2.365 -1.231 -0.603
1.07-3.50 Gyr -1.920 -0.729 -0.365
3.50-11.45 Gyr -0.922 -0.422 -0.238
11.45-12.72 Gyr -0.901 -0.275 0.486

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.933 10.974 11.058
{\rm log}_{10}({\rm SFR}) -0.170 0.135 0.466
{\rm log}_{10}({\rm sSFR}) -11.180 -10.842 -10.498
{\rm stellar\ age} 7.728 9.006 11.688

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.592 -0.407 -0.274
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.590 -0.090 0.342

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.102 0.190 0.307
\delta -0.367 -0.069 0.141
\tau_1/\tau_2 0.603 1.039 1.460
Q_{PAH} 0.933 2.305 4.159
U_{min} 2.190 7.447 14.947
{\rm log}_{10}(\gamma_e)\, -3.051 -1.736 -0.786

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.210 -3.060 -2.123
{\rm log}_{10}(\tau_{AGN})\, 1.067 1.581 1.943

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.693 -0.112 0.116
0.03-0.10 Gyr -0.293 0.209 0.603
0.10-0.33 Gyr -0.902 -0.032 0.360
0.33-1.07 Gyr -1.428 -0.239 0.194
1.07-3.50 Gyr -1.377 -0.170 0.390
3.50-11.45 Gyr 0.086 1.083 1.225
11.45-12.72 Gyr 1.040 1.672 2.176