2026yil results

Information

Transient
Name:AT2026yil
Right ascension: 0h39m01.24s
Declination:19d27m58.58s
Discovery Date:July 25, 2026, 10:45 a.m.
Classification:None
Redshift:None
MW E(B-V):0.045
Host
Name:J003901.78+192756.28
Object ID:9906628649424084
Catalog Name:decals
Catalog Release:dr9
Right ascension: 0h39m01.78s
Declination:19d27m56.28s
Redshift:None
Photometric Redshift:0.060
 

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 18.08
Transient MWEBV processed 0.15
Host match processed 8.15
Host information processed 0.23
Host MWEBV processed 0.07
Global aperture construction processed 0.69
Global aperture photometry processed 6.87
Validate global photometry processed 21.15
Global host SED inference processed 401.72
Local aperture photometry processed 6.73
Validate local photometry processed 0.03
Local host SED inference processed 469.0
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h39m01.24s, 19d27m58.58s
semi major axis, semi minor axis (arcsec):1.72, 1.72
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 -1.42 1.5 AB
SDSS_g 10.45 1.0 21.353 0.104 AB
DES_g 10.18 0.19 21.380 0.020 AB
PanSTARRS_g 11.89 0.42 21.212 0.038 AB
SDSS_r 18.17 1.38 20.752 0.082 AB
PanSTARRS_r 20.63 0.42 20.614 0.022 AB
DES_r 18.89 0.47 20.710 0.027 AB
SDSS_i 26.83 1.77 20.329 0.072 AB
PanSTARRS_i 29.82 0.58 20.214 0.021 AB
PanSTARRS_z 33.34 1.55 20.093 0.051 AB
SDSS_z 24.19 4.31 20.441 0.193 AB
DES_z 29.59 1.06 20.222 0.039 AB
PanSTARRS_y 42.0 3.35 19.842 0.087 AB

Aperture details

RA, DEC (J2000):0h39m01.80s, 19d27m56.88s
semi major axis, semi minor axis (arcsec):19.09, 10.61
angle (degrees, anti-clockwise from east):239.12
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 59.75 7.65 19.459 0.139 AB
GALEX_NUV 73.18 6.11 19.239 0.091 AB
SDSS_u 67.92 12.69 19.320 0.203 AB
SDSS_g 1033.43 9.55 16.364 0.010 AB
DES_g 1052.86 1.82 16.344 0.002 AB
PanSTARRS_g 1013.02 3.49 16.386 0.004 AB
SDSS_r 1854.27 13.15 15.730 0.008 AB
PanSTARRS_r 1934.82 3.56 15.683 0.002 AB
DES_r 2110.0 4.79 15.589 0.002 AB
SDSS_i 2803.49 16.75 15.281 0.006 AB
PanSTARRS_i 2795.46 4.79 15.284 0.002 AB
PanSTARRS_z 3331.67 12.78 15.093 0.004 AB
SDSS_z 3531.3 37.33 15.030 0.011 AB
DES_z 3603.04 11.29 15.008 0.003 AB
PanSTARRS_y 4280.96 27.44 14.821 0.007 AB
2MASS_J 4871.53 355.39 13.786 0.079 Vega
2MASS_H 5658.79 440.72 13.151 0.085 Vega
2MASS_K 5335.58 668.18 12.744 0.136 Vega
WISE_W1 2661.25 36.43 12.638 0.015 Vega
WISE_W2 1615.27 42.08 12.540 0.028 Vega
WISE_W3 4517.26 166.16 9.589 0.040 Vega
WISE_W4 4973.07 944.25 8.038 0.206 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.669 8.818 8.956
{\rm log}_{10}({\rm SFR}) -1.667 -1.186 -0.800
{\rm log}_{10}({\rm sSFR}) -10.480 -10.031 -9.617
{\rm stellar\ age} 5.793 7.053 8.355

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.671 -1.180 -0.590
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.273 -0.665 -0.088

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.569 1.011 1.347
\delta -0.300 0.031 0.270
\tau_1/\tau_2 0.685 1.017 1.368
Q_{PAH} 0.641 2.070 4.767
U_{min} 2.991 7.832 14.506
{\rm log}_{10}(\gamma_e)\, -2.988 -1.760 -0.619

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.803 -0.706 -0.018
{\rm log}_{10}(\tau_{AGN})\, 1.041 1.484 1.946

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.661 -1.131 -0.790
0.03-0.10 Gyr -1.905 -1.275 -0.753
0.10-0.33 Gyr -2.135 -1.450 -0.959
0.33-1.08 Gyr -2.212 -1.505 -1.059
1.08-3.55 Gyr -1.895 -1.244 -0.977
3.55-11.66 Gyr -1.397 -1.066 -0.876
11.66-12.96 Gyr -1.655 -1.073 -0.509

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.885 10.948 10.993
{\rm log}_{10}({\rm SFR}) -0.576 -0.229 0.087
{\rm log}_{10}({\rm sSFR}) -11.507 -11.158 -10.822
{\rm stellar\ age} 9.757 12.123 12.296

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.630 -0.488 -0.368
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.026 -0.326 -0.064

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.133 0.215 0.336
\delta -0.350 -0.061 0.128
\tau_1/\tau_2 0.579 1.052 1.510
Q_{PAH} 0.893 2.343 4.227
U_{min} 3.015 9.291 17.260
{\rm log}_{10}(\gamma_e)\, -2.204 -1.332 -0.589

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.455 -3.513 -2.489
{\rm log}_{10}(\tau_{AGN})\, 1.110 1.635 1.983

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.119 0.152 0.429
0.03-0.10 Gyr -3.192 -1.181 -0.190
0.10-0.33 Gyr -5.112 -1.825 -0.423
0.33-1.08 Gyr -5.043 -1.784 -0.429
1.08-3.55 Gyr -4.306 -1.777 -0.379
3.55-11.66 Gyr -1.837 -0.326 0.937
11.66-12.96 Gyr 1.674 2.071 2.126