2026ldm results

Information

Transient
Name:AT2026ldm
Right ascension: 15h48m39.04s
Declination:3d39m05.68s
Discovery Date:April 23, 2026, 9:59 a.m.
Classification:None
Redshift:None
MW E(B-V):0.089
Host
Name:3124718
Right ascension: 15h48m39.12s
Declination:3d39m05.87s
Redshift:None
Photometric Redshift:0.075
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
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
GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 17.53
Transient MWEBV processed 0.05
Host match processed 4.14
Host information processed 0.11
Host MWEBV processed 0.1
Global aperture construction processed 0.71
Global aperture photometry processed 6.32
Validate global photometry processed 17.75
Global host SED inference processed 402.19
Local aperture photometry processed 6.24
Validate local photometry processed 0.02
Local host SED inference processed 489.05
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h48m39.04s, 3d39m05.68s
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
DES_g 53.11 0.33 19.587 0.007 AB
PanSTARRS_g 53.42 0.34 19.581 0.007 AB
SDSS_r 102.76 2.72 18.870 0.029 AB
PanSTARRS_r 101.51 0.41 18.884 0.004 AB
DES_r 119.77 0.62 18.704 0.006 AB
SDSS_i 158.17 3.46 18.402 0.024 AB
PanSTARRS_i 150.17 0.39 18.459 0.003 AB
PanSTARRS_z 188.8 0.9 18.210 0.005 AB
SDSS_z 198.3 5.61 18.157 0.031 AB
DES_z 217.68 2.27 18.055 0.011 AB
PanSTARRS_y 193.55 2.18 18.183 0.012 AB

Aperture details

RA, DEC (J2000):15h48m39.01s, 3d39m05.78s
semi major axis, semi minor axis (arcsec):5.92, 5.19
angle (degrees, anti-clockwise from east):-140.51
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 27.26 4.74 20.311 0.189 AB
SDSS_g 160.75 3.78 18.385 0.025 AB
DES_g 171.29 0.66 18.316 0.004 AB
PanSTARRS_g 174.65 1.23 18.295 0.008 AB
SDSS_r 320.45 5.38 17.636 0.018 AB
PanSTARRS_r 331.09 1.47 17.600 0.005 AB
DES_r 360.47 1.16 17.508 0.003 AB
SDSS_i 482.44 7.31 17.191 0.016 AB
PanSTARRS_i 471.01 1.43 17.217 0.003 AB
PanSTARRS_z 585.46 3.34 16.981 0.006 AB
SDSS_z 584.2 18.06 16.984 0.034 AB
DES_z 625.73 4.07 16.909 0.007 AB
PanSTARRS_y 656.58 8.43 16.857 0.014 AB
2MASS_J 945.79 128.03 15.566 0.147 Vega
2MASS_H 974.59 168.62 15.060 0.188 Vega
2MASS_K 973.38 261.29 14.591 0.291 Vega
WISE_W1 350.39 14.75 14.840 0.046 Vega
WISE_W2 217.41 24.09 14.718 0.120 Vega
WISE_W3 352.09 76.94 12.359 0.237 Vega
WISE_W4 524.61 439.41 10.480 0.909 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.662 9.770 9.891
{\rm log}_{10}({\rm SFR}) -2.198 -1.376 -0.706
{\rm log}_{10}({\rm sSFR}) -11.975 -11.164 -10.471
{\rm stellar\ age} 6.488 7.702 10.518

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.429 -0.990 -0.671
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.835 -1.328 -0.086

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.233 0.470 0.766
\delta -0.651 -0.204 0.185
\tau_1/\tau_2 0.644 1.023 1.392
Q_{PAH} 1.136 3.306 5.949
U_{min} 3.040 8.397 15.400
{\rm log}_{10}(\gamma_e)\, -3.055 -1.984 -0.544

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.924 -1.077 -0.404
{\rm log}_{10}(\tau_{AGN})\, 1.013 1.407 1.915

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.166 -1.377 -0.886
0.03-0.10 Gyr -2.660 -1.480 -0.651
0.10-0.33 Gyr -2.521 -1.375 -0.618
0.33-1.07 Gyr -2.432 -1.133 -0.425
1.07-3.51 Gyr -1.994 -0.573 -0.110
3.51-11.49 Gyr -0.592 -0.122 0.058
11.49-12.77 Gyr -0.571 0.092 0.866

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.112 10.212 10.300
{\rm log}_{10}({\rm SFR}) -2.009 -1.146 -0.527
{\rm log}_{10}({\rm sSFR}) -12.242 -11.348 -10.724
{\rm stellar\ age} 6.482 7.692 10.738

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.418 -1.120 -0.911
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.528 -0.712 0.037

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.174 0.310 0.465
\delta -0.818 -0.570 -0.293
\tau_1/\tau_2 0.525 0.934 1.347
Q_{PAH} 0.565 1.839 3.757
U_{min} 2.948 8.244 16.181
{\rm log}_{10}(\gamma_e)\, -2.809 -1.753 -0.697

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.949 -2.499 -1.666
{\rm log}_{10}(\tau_{AGN})\, 1.057 1.495 1.865

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.438 -1.154 -0.729
0.03-0.10 Gyr -2.935 -1.229 -0.450
0.10-0.33 Gyr -2.922 -1.012 -0.229
0.33-1.07 Gyr -2.717 -0.833 -0.081
1.07-3.51 Gyr -1.624 -0.155 0.349
3.51-11.49 Gyr -0.443 0.328 0.496
11.49-12.77 Gyr -0.378 0.504 1.322