2026kmg results

Information

Transient
Name:AT2026kmg
Right ascension: 15h18m20.78s
Declination:20d01m50.50s
Discovery Date:April 7, 2026, 6:31 p.m.
Classification:None
Redshift:None
MW E(B-V):0.038
Host
Name:J151820.73+200151.59
Right ascension: 15h18m20.73s
Declination:20d01m51.59s
Redshift:None
Photometric Redshift:0.082
 

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 33.02
Transient MWEBV processed 0.04
Host match processed 4.82
Host information processed 0.18
Host MWEBV processed 0.04
Global aperture construction processed 2.69
Global aperture photometry processed 6.59
Validate global photometry processed 19.55
Global host SED inference processed 468.82
Local aperture photometry processed 6.4
Validate local photometry processed 0.03
Local host SED inference processed 435.65
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h18m20.78s, 20d01m50.50s
semi major axis, semi minor axis (arcsec):1.3, 1.3
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 4.61 0.15 22.241 0.035 AB
PanSTARRS_r 5.26 0.35 22.098 0.073 AB
DES_r 5.99 0.23 21.956 0.042 AB
SDSS_i 7.99 1.07 21.643 0.145 AB
PanSTARRS_i 6.78 0.34 21.823 0.054 AB
PanSTARRS_z 6.09 0.73 21.938 0.131 AB
SDSS_z 6.24 3.43 21.912 0.598 AB
DES_z 7.1 0.61 21.771 0.093 AB
PanSTARRS_y 5.37 1.86 22.075 0.375 AB

Aperture details

RA, DEC (J2000):15h18m20.74s, 20d01m52.09s
semi major axis, semi minor axis (arcsec):4.49, 4.39
angle (degrees, anti-clockwise from east):-135.84
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.25 1.95 21.911 0.340 AB
GALEX_NUV 4.21 0.47 22.340 0.122 AB
SDSS_u 9.12 3.58 21.500 0.427 AB
SDSS_g 20.45 1.69 20.623 0.090 AB
DES_g 18.77 0.39 20.717 0.023 AB
PanSTARRS_g 19.16 1.04 20.694 0.059 AB
SDSS_r 15.29 2.18 20.939 0.155 AB
PanSTARRS_r 23.83 1.19 20.457 0.054 AB
DES_r 24.0 0.6 20.449 0.027 AB
SDSS_i 34.53 3.18 20.054 0.100 AB
PanSTARRS_i 24.97 1.13 20.407 0.049 AB
PanSTARRS_z 26.27 2.46 20.351 0.102 AB
SDSS_z 18.51 11.62 20.731 0.682 AB
DES_z 26.08 1.58 20.359 0.066 AB
PanSTARRS_y 36.28 6.23 20.001 0.187 AB
2MASS_J -53.72 105.41 Vega
2MASS_H -46.9 138.09 Vega
2MASS_K -106.52 204.92 Vega
WISE_W1 13.47 11.77 18.378 0.948 Vega
WISE_W2 6.96 11.88 18.455 1.853 Vega
WISE_W3 -30.13 36.78 Vega
WISE_W4 82.17 245.11 12.493 3.239 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.670 7.959 8.155
{\rm log}_{10}({\rm SFR}) -1.812 -1.289 -0.591
{\rm log}_{10}({\rm sSFR}) -9.851 -9.231 -8.193
{\rm stellar\ age} 0.311 3.468 6.006

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.550 -0.965 -0.314
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.430 -0.802 -0.057

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.248 0.574 1.147
\delta -0.301 0.077 0.294
\tau_1/\tau_2 0.712 1.082 1.488
Q_{PAH} 1.308 3.200 5.481
U_{min} 2.758 7.712 15.110
{\rm log}_{10}(\gamma_e)\, -2.864 -1.854 -0.812

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.902 -0.034 0.304
{\rm log}_{10}(\tau_{AGN})\, 1.023 1.454 1.875

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.850 -1.410 -0.981
0.03-0.10 Gyr -1.944 -1.278 -0.481
0.10-0.33 Gyr -2.055 -1.354 -0.816
0.33-1.07 Gyr -3.374 -1.693 -1.286
1.07-3.49 Gyr -4.338 -2.131 -1.661
3.49-11.41 Gyr -4.962 -2.383 -1.827
11.41-12.68 Gyr -4.747 -2.442 -1.724

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.313 8.524 8.683
{\rm log}_{10}({\rm SFR}) -1.367 -0.809 -0.290
{\rm log}_{10}({\rm sSFR}) -9.963 -9.347 -8.717
{\rm stellar\ age} 0.420 3.292 5.611

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.718 -1.170 -0.246
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.336 -0.192 0.164

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.079 0.370 0.993
\delta -0.279 0.165 0.336
\tau_1/\tau_2 0.623 1.036 1.441
Q_{PAH} 1.368 3.196 5.266
U_{min} 3.395 9.404 17.000
{\rm log}_{10}(\gamma_e)\, -2.695 -1.316 -0.459

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.584 -0.646 -0.025
{\rm log}_{10}(\tau_{AGN})\, 1.094 1.514 1.876

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.606 -1.169 -0.790
0.03-0.10 Gyr -1.460 -0.725 -0.171
0.10-0.33 Gyr -1.003 -0.521 0.046
0.33-1.07 Gyr -2.324 -1.094 -0.699
1.07-3.49 Gyr -3.805 -1.587 -1.155
3.49-11.41 Gyr -4.454 -1.904 -1.383
11.41-12.68 Gyr -4.461 -1.945 -1.202