2026bdu

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Information

Transient

Name: AT2026bdu
Right ascension: 8h46m47.76s
Declination: 29d13m00.86s
Discovery Date: Jan. 14, 2026, 9:03 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.047

Host

Name: SDSSJ084647.72+29131
Right ascension: 8h46m47.76s
Declination: 29d13m14.77s
Redshift: None
Photometric Redshift: 0.071
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.53
Transient MWEBV processed 0.1
Host match processed 5.18
Host information processed 0.12
Host MWEBV processed 0.06
Global aperture construction processed 0.6
Global aperture photometry processed 6.61
Validate global photometry processed 17.99
Global host SED inference processed 413.73
Local aperture photometry processed 5.91
Validate local photometry processed 0.03
Local host SED inference processed 1057.13
 

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) = 8h46m47.76s, 29d13m00.86s
semi major axis, semi minor axis (arcsec) = 1.48, 1.48
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 0.53 0.48 24.580 0.965 AB
DES_g 0.29 0.09 25.240 0.323 AB
PanSTARRS_g -0.31 0.38 AB
SDSS_r -1.72 0.63 AB
PanSTARRS_r -0.96 0.46 AB
DES_r 0.56 0.17 24.526 0.331 AB
SDSS_i 0.92 1.15 23.991 1.352 AB
PanSTARRS_i 0.02 0.57 28.126 30.482 AB
PanSTARRS_z 0.77 1.05 24.189 1.489 AB
SDSS_z 1.42 3.72 23.519 2.846 AB
DES_z 0.27 0.36 25.331 1.467 AB
PanSTARRS_y 0.54 2.58 24.562 5.146 AB

Aperture details

RA, DEC (J2000) = 8h46m47.72s, 29d13m15.24s
semi major axis, semi minor axis (arcsec) = 10.8, 5.02
angle (degrees, anti-clockwise from east) = -1.54

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.92 0.94 21.304 0.094 AB
GALEX_NUV 16.34 0.84 20.867 0.056 AB
SDSS_u 62.62 5.03 19.408 0.087 AB
SDSS_g 166.76 3.91 18.345 0.025 AB
DES_g 180.8 0.76 18.257 0.005 AB
PanSTARRS_g 182.64 1.96 18.246 0.012 AB
SDSS_r 281.97 5.33 17.774 0.021 AB
PanSTARRS_r 293.22 2.38 17.732 0.009 AB
DES_r 322.49 1.6 17.629 0.005 AB
SDSS_i 404.86 7.49 17.382 0.020 AB
PanSTARRS_i 429.15 2.8 17.318 0.007 AB
PanSTARRS_z 471.12 5.1 17.217 0.012 AB
SDSS_z 592.61 19.14 16.968 0.035 AB
DES_z 492.21 3.73 17.170 0.008 AB
PanSTARRS_y 494.84 12.55 17.164 0.028 AB
2MASS_J 443.78 131.63 16.387 0.322 Vega
2MASS_H 566.89 206.86 15.649 0.396 Vega
2MASS_K 810.36 240.88 14.791 0.323 Vega
WISE_W1 323.01 14.46 14.928 0.049 Vega
WISE_W2 206.36 25.13 14.774 0.132 Vega
WISE_W3 300.79 114.94 12.530 0.415 Vega
WISE_W4 549.08 599.1 10.431 1.185 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})\, 7.295 7.746 8.511
{\rm log}_{10}({\rm SFR}) -0.931 -0.607 -0.276
{\rm log}_{10}({\rm sSFR}) -9.197 -8.111 -7.961
{\rm stellar\ age} 0.016 1.880 8.369

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.831 -0.321 -0.022
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.310 -0.609 0.005

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 2.497 3.067 3.618
\delta 0.234 0.321 0.375
\tau_1/\tau_2 0.461 0.779 1.104
Q_{PAH} 0.482 1.744 3.623
U_{min} 3.386 10.138 18.493
{\rm log}_{10}(\gamma_e)\, -3.241 -1.792 -0.665

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.241 -0.868 -0.094
{\rm log}_{10}(\tau_{AGN})\, 0.994 1.472 1.894

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.558 -0.160 0.160
0.03-0.10 Gyr -4.293 -2.748 -0.945
0.10-0.33 Gyr -7.123 -4.684 -2.238
0.33-1.07 Gyr -8.253 -5.036 -2.266
1.07-3.52 Gyr -9.076 -4.659 -1.996
3.52-11.54 Gyr -9.102 -3.945 -1.591
11.54-12.82 Gyr -9.225 -3.433 -0.948

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.967 10.036 10.122
{\rm log}_{10}({\rm SFR}) -0.431 -0.143 0.180
{\rm log}_{10}({\rm sSFR}) -10.490 -10.157 -9.825
{\rm stellar\ age} 7.076 7.769 9.811

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.426 -1.046 -0.776
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.786 -0.103 0.350

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.202 0.336 0.501
\delta -0.544 -0.251 0.031
\tau_1/\tau_2 0.661 1.021 1.396
Q_{PAH} 0.736 1.954 3.887
U_{min} 2.645 7.655 14.879
{\rm log}_{10}(\gamma_e)\, -3.003 -1.877 -1.050

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.735 -2.116 -1.584
{\rm log}_{10}(\tau_{AGN})\, 1.003 1.351 1.805

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.803 -0.548 -0.374
0.03-0.10 Gyr -0.392 -0.036 0.320
0.10-0.33 Gyr -0.836 -0.285 0.041
0.33-1.07 Gyr -1.237 -0.533 -0.231
1.07-3.52 Gyr -1.140 -0.398 -0.044
3.52-11.54 Gyr -0.092 0.188 0.307
11.54-12.82 Gyr -0.115 0.374 0.997