2026eg

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Information

Transient

Name: AT2026eg
Right ascension: 23h40m40.03s
Declination: 0d59m32.89s
Discovery Date: Jan. 8, 2026, 5:53 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.029

Host

Name: 3117628
Right ascension: 23h40m40.08s
Declination: 0d59m34.33s
Redshift: None
Photometric Redshift: 0.083
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 25.27
Transient MWEBV processed 0.04
Host match processed 3.98
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 6.67
Validate global photometry processed 17.97
Global host SED inference processed 438.45
Local aperture photometry processed 6.55
Validate local photometry processed 0.03
Local host SED inference processed 398.03
 

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) = 23h40m40.03s, 0d59m32.89s
semi major axis, semi minor axis (arcsec) = 1.28, 1.28
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 20.76 0.29 20.607 0.015 AB
PanSTARRS_r 32.89 0.45 20.107 0.015 AB
DES_r 34.09 0.75 20.068 0.024 AB
SDSS_i 46.99 2.08 19.720 0.048 AB
PanSTARRS_i 44.62 0.34 19.776 0.008 AB
PanSTARRS_z 45.18 0.9 19.763 0.022 AB
DES_z 43.9 1.5 19.794 0.037 AB
PanSTARRS_y 53.05 1.89 19.588 0.039 AB

Aperture details

RA, DEC (J2000) = 23h40m40.12s, 0d59m34.41s
semi major axis, semi minor axis (arcsec) = 4.8, 4.41
angle (degrees, anti-clockwise from east) = -164.82

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 21.0 0.81 20.594 0.042 AB
GALEX_NUV 32.42 0.6 20.123 0.020 AB
SDSS_u 90.5 5.42 19.008 0.065 AB
SDSS_g 183.33 3.9 18.242 0.023 AB
DES_g 188.95 0.88 18.209 0.005 AB
PanSTARRS_g 191.11 1.07 18.197 0.006 AB
SDSS_r 263.87 4.85 17.847 0.020 AB
PanSTARRS_r 268.74 1.6 17.827 0.006 AB
DES_r 281.08 2.17 17.778 0.008 AB
SDSS_i 370.92 6.31 17.477 0.018 AB
PanSTARRS_i 349.11 1.19 17.543 0.004 AB
PanSTARRS_z 371.84 3.17 17.474 0.009 AB
SDSS_z 353.87 16.75 17.528 0.051 AB
DES_z 387.13 4.53 17.430 0.013 AB
PanSTARRS_y 416.99 6.69 17.350 0.017 AB
2MASS_J 459.91 117.35 16.348 0.277 Vega
2MASS_H 731.11 177.17 15.372 0.263 Vega
2MASS_K 194.56 189.65 16.340 1.058 Vega
WISE_W1 215.04 12.57 15.370 0.063 Vega
WISE_W2 162.47 19.17 15.034 0.128 Vega
WISE_W3 525.53 68.57 11.924 0.142 Vega
WISE_W4 564.43 492.76 10.401 0.948 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})\, 8.974 9.095 9.197
{\rm log}_{10}({\rm SFR}) -1.546 -0.963 -0.435
{\rm log}_{10}({\rm sSFR}) -10.641 -10.089 -9.491
{\rm stellar\ age} 5.049 6.712 8.118

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.765 -1.372 -0.923
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.562 -0.529 0.133

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.163 0.436 0.830
\delta -0.509 -0.074 0.243
\tau_1/\tau_2 0.775 1.127 1.438
Q_{PAH} 0.895 2.384 4.748
U_{min} 2.747 7.733 14.557
{\rm log}_{10}(\gamma_e)\, -3.007 -1.956 -0.919

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.380 -0.493 -0.044
{\rm log}_{10}(\tau_{AGN})\, 1.106 1.508 1.977

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.394 -1.038 -0.616
0.03-0.10 Gyr -1.775 -0.994 -0.351
0.10-0.33 Gyr -1.835 -1.067 -0.508
0.33-1.07 Gyr -1.727 -1.103 -0.632
1.07-3.49 Gyr -1.479 -0.919 -0.630
3.49-11.40 Gyr -1.184 -0.815 -0.630
11.40-12.66 Gyr -1.393 -0.777 -0.243

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.697 9.797 9.913
{\rm log}_{10}({\rm SFR}) 0.291 0.515 0.730
{\rm log}_{10}({\rm sSFR}) -9.537 -9.289 -9.046
{\rm stellar\ age} 5.507 6.629 7.823

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.085 -0.755 -0.515
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.051 0.314 0.440

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.142 0.210 0.346
\delta -0.913 -0.714 -0.427
\tau_1/\tau_2 0.654 1.054 1.472
Q_{PAH} 0.659 1.452 2.724
U_{min} 2.350 6.787 13.956
{\rm log}_{10}(\gamma_e)\, -3.295 -2.453 -1.498

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.886 -2.587 -1.797
{\rm log}_{10}(\tau_{AGN})\, 0.988 1.381 1.821

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.445 -0.269 -0.116
0.03-0.10 Gyr 0.422 0.658 0.879
0.10-0.33 Gyr -0.656 0.038 0.374
0.33-1.07 Gyr -0.869 -0.321 -0.046
1.07-3.49 Gyr -0.666 -0.256 -0.014
3.49-11.40 Gyr -0.380 -0.115 0.060
11.40-12.66 Gyr -0.494 -0.017 0.473