2025tbg

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Information

Transient

Name: AT2025tbg
Right ascension: 2h11m00.85s
Declination: 4d15m59.62s
Discovery Date: Aug. 1, 2025, 1:35 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.040

Host

Name:
Right ascension: 2h11m00.92s
Declination: 4d16m01.32s
Redshift: 0.084161
Photometric Redshift: 0.097
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 29.37
Transient MWEBV processed 0.13
Host match processed 7.82
Host information processed 0.15
Host MWEBV processed 0.05
Global aperture construction processed 0.64
Global aperture photometry processed 6.25
Validate global photometry processed 16.33
Global host SED inference processed 486.56
Local aperture photometry processed 7.01
Validate local photometry processed 0.02
Local host SED inference processed 528.32
 

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) = 2h11m00.85s, 4d15m59.62s
semi major axis, semi minor axis (arcsec) = 1.27, 1.27
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 54.91 0.25 19.551 0.005 AB
PanSTARRS_r 123.8 0.54 18.668 0.005 AB
DES_r 148.66 0.55 18.470 0.004 AB
SDSS_i 205.52 3.84 18.118 0.020 AB
PanSTARRS_i 183.69 0.42 18.240 0.002 AB
PanSTARRS_z 241.27 0.93 17.944 0.004 AB
DES_z 288.82 1.82 17.748 0.007 AB
PanSTARRS_y 278.14 2.12 17.789 0.008 AB

Aperture details

RA, DEC (J2000) = 2h11m00.90s, 4d16m01.44s
semi major axis, semi minor axis (arcsec) = 9.25, 6.15
angle (degrees, anti-clockwise from east) = -141.04

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.48 1.33 22.546 0.415 AB
GALEX_NUV 7.73 1.69 21.680 0.237 AB
SDSS_u 60.87 6.11 19.439 0.109 AB
SDSS_g 469.84 5.99 17.220 0.014 AB
DES_g 489.34 0.82 17.176 0.002 AB
PanSTARRS_g 508.42 2.19 17.134 0.005 AB
SDSS_r 1157.09 9.4 16.242 0.009 AB
PanSTARRS_r 1171.08 2.8 16.229 0.003 AB
DES_r 1254.49 1.66 16.154 0.001 AB
SDSS_i 1767.58 12.25 15.782 0.008 AB
PanSTARRS_i 1771.25 2.26 15.779 0.001 AB
PanSTARRS_z 2285.62 5.16 15.502 0.002 AB
SDSS_z 2491.3 23.72 15.409 0.010 AB
DES_z 2398.26 5.45 15.450 0.002 AB
PanSTARRS_y 2774.72 12.42 15.292 0.005 AB
2MASS_J 3888.47 188.99 14.031 0.053 Vega
2MASS_H 5023.79 327.06 13.280 0.071 Vega
2MASS_K 4251.76 348.75 12.991 0.089 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})\, 10.023 10.131 10.241
{\rm log}_{10}({\rm SFR}) -1.783 -0.953 -0.322
{\rm log}_{10}({\rm sSFR}) -11.867 -11.054 -10.427
{\rm stellar\ age} 7.434 9.410 11.938

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.178 -0.724 -0.466
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.728 -0.421 0.318

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.375 0.662 1.074
\delta -0.551 -0.175 0.143
\tau_1/\tau_2 0.623 1.030 1.431
Q_{PAH} 1.314 3.394 5.713
U_{min} 2.923 8.292 15.661
{\rm log}_{10}(\gamma_e)\, -3.334 -2.484 -1.281

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.344 -1.196 -0.480
{\rm log}_{10}(\tau_{AGN})\, 0.988 1.357 1.856

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.072 -1.027 -0.397
0.03-0.10 Gyr -2.351 -1.053 -0.290
0.10-0.33 Gyr -3.265 -1.327 -0.512
0.33-1.07 Gyr -4.323 -1.569 -0.550
1.07-3.49 Gyr -3.786 -1.485 -0.231
3.49-11.38 Gyr -1.586 0.094 0.357
11.38-12.65 Gyr 0.008 0.938 1.350

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.841 10.955 11.067
{\rm log}_{10}({\rm SFR}) -1.964 -0.437 0.192
{\rm log}_{10}({\rm sSFR}) -12.908 -11.391 -10.738
{\rm stellar\ age} 4.661 7.010 8.649

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.125 -0.655 -0.365
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.721 -0.893 0.118

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.524 0.756 1.061
\delta -0.596 -0.287 -0.041
\tau_1/\tau_2 0.451 0.864 1.276
Q_{PAH} 0.487 2.661 4.858
U_{min} 2.589 8.044 15.950
{\rm log}_{10}(\gamma_e)\, -3.371 -2.158 -1.147

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.893 -1.452 -0.643
{\rm log}_{10}(\tau_{AGN})\, 0.918 1.377 1.761

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.460 -0.348 0.312
0.03-0.10 Gyr -3.370 -0.747 0.136
0.10-0.33 Gyr -3.024 -0.654 0.343
0.33-1.07 Gyr -1.878 -0.023 0.749
1.07-3.49 Gyr 0.018 1.004 1.462
3.49-11.38 Gyr 0.073 1.049 1.276
11.38-12.65 Gyr -0.897 0.981 1.776