2026aul

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Information

Transient

Name: AT2026aul
Right ascension: 18h00m19.01s
Declination: 43d08m30.22s
Discovery Date: Jan. 18, 2026, 1:21 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.022

Host

Name:
Right ascension: 18h00m18.92s
Declination: 43d08m28.96s
Redshift: None
Photometric Redshift: 0.053
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.15
Transient MWEBV processed 0.04
Host match processed 4.34
Host information processed 0.18
Host MWEBV processed 0.05
Global aperture construction processed 0.65
Global aperture photometry processed 4.94
Validate global photometry processed 14.93
Global host SED inference processed 462.39
Local aperture photometry processed 4.97
Validate local photometry processed 0.02
Local host SED inference processed 497.85
 

Cutout Download Report

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:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 18h00m19.01s, 43d08m30.22s
semi major axis, semi minor axis (arcsec) = 1.95, 1.95
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 6.43 1.56 21.880 0.264 AB
SDSS_g 13.11 1.06 21.106 0.088 AB
PanSTARRS_g 13.95 0.44 21.039 0.035 AB
SDSS_r 14.98 1.26 20.961 0.091 AB
PanSTARRS_r 15.75 0.46 20.907 0.031 AB
SDSS_i 17.78 1.71 20.775 0.104 AB
PanSTARRS_i 17.2 0.32 20.811 0.020 AB
PanSTARRS_z 17.44 1.16 20.796 0.072 AB
SDSS_z 11.53 5.1 21.246 0.480 AB
PanSTARRS_y 11.52 2.94 21.246 0.277 AB

Aperture details

RA, DEC (J2000) = 18h00m18.91s, 43d08m29.34s
semi major axis, semi minor axis (arcsec) = 5.01, 2.44
angle (degrees, anti-clockwise from east) = -15.53

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 14.95 2.81 20.963 0.204 AB
SDSS_g 31.35 1.7 20.159 0.059 AB
PanSTARRS_g 30.03 0.79 20.206 0.029 AB
SDSS_r 29.43 2.0 20.228 0.074 AB
PanSTARRS_r 34.28 0.8 20.062 0.025 AB
SDSS_i 35.58 2.8 20.022 0.085 AB
PanSTARRS_i 36.76 0.55 19.987 0.016 AB
PanSTARRS_z 37.94 2.0 19.952 0.057 AB
SDSS_z 19.28 9.01 20.687 0.508 AB
PanSTARRS_y 33.0 5.07 20.104 0.167 AB
2MASS_J -81.07 82.51 Vega
2MASS_H -82.37 121.96 Vega
2MASS_K -103.69 147.8 Vega
WISE_W1 16.06 6.29 18.186 0.425 Vega
WISE_W2 13.31 7.52 17.751 0.614 Vega
WISE_W3 -42.77 34.32 Vega
WISE_W4 348.33 229.86 10.925 0.716 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.644 7.861 8.033
{\rm log}_{10}({\rm SFR}) -2.327 -1.545 -0.454
{\rm log}_{10}({\rm sSFR}) -10.262 -9.459 -8.046
{\rm stellar\ age} 0.213 2.477 5.754

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.768 -1.384 -0.757
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.700 -1.264 -0.331

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.079 0.281 0.753
\delta -0.700 -0.265 0.114
\tau_1/\tau_2 0.630 1.053 1.486
Q_{PAH} 1.199 2.864 5.118
U_{min} 3.201 9.025 17.027
{\rm log}_{10}(\gamma_e)\, -3.013 -1.955 -0.937

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.408 -0.273 0.198
{\rm log}_{10}(\tau_{AGN})\, 1.230 1.604 1.936

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.297 -2.073 -1.593
0.03-0.10 Gyr -2.542 -1.469 -0.297
0.10-0.33 Gyr -2.844 -1.439 -0.786
0.33-1.08 Gyr -4.377 -1.780 -1.253
1.08-3.57 Gyr -5.656 -2.470 -1.735
3.57-11.75 Gyr -6.508 -2.847 -1.996
11.75-13.05 Gyr -6.700 -2.814 -1.864

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.939 8.208 8.435
{\rm log}_{10}({\rm SFR}) -1.456 -0.718 -0.129
{\rm log}_{10}({\rm sSFR}) -9.813 -8.979 -8.123
{\rm stellar\ age} 0.215 2.309 5.838

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.739 -1.350 -0.526
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.715 -1.253 -0.297

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.177 0.463 0.863
\delta -0.591 0.002 0.274
\tau_1/\tau_2 0.582 1.070 1.550
Q_{PAH} 1.957 4.013 5.809
U_{min} 3.781 9.957 17.195
{\rm log}_{10}(\gamma_e)\, -2.807 -1.587 -0.525

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.563 -1.596 -0.447
{\rm log}_{10}(\tau_{AGN})\, 0.974 1.422 1.850

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.838 -1.506 -0.949
0.03-0.10 Gyr -1.478 -0.611 0.025
0.10-0.33 Gyr -2.105 -0.847 -0.306
0.33-1.08 Gyr -3.953 -1.799 -1.089
1.08-3.57 Gyr -5.217 -2.365 -1.473
3.57-11.75 Gyr -5.871 -2.614 -1.659
11.75-13.05 Gyr -6.016 -2.564 -1.468