2025tgd

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Information

Transient

Name: AT2025tgd
Right ascension: 14h48m30.22s
Declination: 6d02m49.28s
Discovery Date: Aug. 5, 2025, 7:01 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.031

Host

Name:
Right ascension: 14h48m30.20s
Declination: 6d02m47.95s
Redshift: 0.064319
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 29.1
Transient MWEBV processed 0.04
Host match processed 7.22
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.72
Global aperture photometry processed 6.55
Validate global photometry processed 18.58
Global host SED inference processed 492.43
Local aperture photometry processed 8.14
Validate local photometry processed 0.03
Local host SED inference processed 513.07
 

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) = 14h48m30.22s, 6d02m49.28s
semi major axis, semi minor axis (arcsec) = 1.62, 1.62
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 25.28 1.79 20.393 0.077 AB
SDSS_g 128.35 2.98 18.629 0.025 AB
DES_g 147.84 1.02 18.475 0.008 AB
PanSTARRS_g 135.16 0.48 18.573 0.004 AB
SDSS_r 306.37 4.6 17.684 0.016 AB
PanSTARRS_r 285.36 0.57 17.762 0.002 AB
DES_r 348.44 1.86 17.545 0.006 AB
SDSS_i 466.9 5.74 17.227 0.013 AB
PanSTARRS_i 415.27 0.72 17.354 0.002 AB
PanSTARRS_z 547.2 1.28 17.055 0.003 AB
SDSS_z 624.27 8.8 16.912 0.015 AB
DES_z 608.14 5.22 16.940 0.009 AB
PanSTARRS_y 641.51 2.27 16.882 0.004 AB

Aperture details

RA, DEC (J2000) = 14h48m30.21s, 6d02m47.90s
semi major axis, semi minor axis (arcsec) = 7.24, 3.92
angle (degrees, anti-clockwise from east) = -159.3

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.3 0.47 23.617 0.395 AB
GALEX_NUV 2.5 0.52 22.905 0.225 AB
SDSS_u 69.63 4.77 19.293 0.074 AB
SDSS_g 361.39 5.16 17.505 0.016 AB
DES_g 382.29 1.69 17.444 0.005 AB
PanSTARRS_g 399.41 1.46 17.396 0.004 AB
SDSS_r 816.38 7.79 16.620 0.010 AB
PanSTARRS_r 817.03 1.56 16.619 0.002 AB
DES_r 864.02 3.0 16.559 0.004 AB
SDSS_i 1191.2 9.84 16.210 0.009 AB
PanSTARRS_i 1171.99 2.05 16.228 0.002 AB
PanSTARRS_z 1499.96 3.93 15.960 0.003 AB
SDSS_z 1591.99 22.22 15.895 0.015 AB
DES_z 1559.62 8.45 15.917 0.006 AB
PanSTARRS_y 1802.57 7.21 15.760 0.004 AB
2MASS_J 2542.64 175.88 14.492 0.075 Vega
2MASS_H 2866.76 229.47 13.889 0.087 Vega
2MASS_K 2627.97 302.53 13.513 0.125 Vega
WISE_W1 968.42 15.95 13.736 0.018 Vega
WISE_W2 566.28 17.95 13.678 0.034 Vega
WISE_W3 150.86 48.75 13.280 0.351 Vega
WISE_W4 861.89 397.33 9.941 0.501 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})\, 9.971 10.075 10.189
{\rm log}_{10}({\rm SFR}) -1.488 -0.793 -0.262
{\rm log}_{10}({\rm sSFR}) -11.548 -10.867 -10.270
{\rm stellar\ age} 6.352 7.710 10.608

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.024 -0.655 -0.403
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.780 -0.919 0.236

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.354 0.568 0.910
\delta -0.819 -0.537 -0.167
\tau_1/\tau_2 0.615 0.965 1.300
Q_{PAH} 0.728 2.727 5.240
U_{min} 2.922 8.353 15.383
{\rm log}_{10}(\gamma_e)\, -2.884 -1.333 -0.417

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.524 -1.492 -0.529
{\rm log}_{10}(\tau_{AGN})\, 0.901 1.396 1.891

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.362 -0.722 -0.310
0.03-0.10 Gyr -2.000 -0.906 -0.226
0.10-0.33 Gyr -2.152 -0.842 -0.145
0.33-1.08 Gyr -2.134 -0.681 -0.031
1.08-3.54 Gyr -1.777 -0.255 0.198
3.54-11.61 Gyr -0.366 0.175 0.359
11.61-12.90 Gyr -0.289 0.351 1.168

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.506 10.607 10.662
{\rm log}_{10}({\rm SFR}) -6.858 -3.182 -1.795
{\rm log}_{10}({\rm sSFR}) -17.539 -13.842 -12.394
{\rm stellar\ age} 7.641 11.379 12.248

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.032 -0.793 -0.644
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.469 -0.629 0.138

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.189 0.292 0.415
\delta -0.841 -0.639 -0.446
\tau_1/\tau_2 0.519 0.944 1.406
Q_{PAH} 0.561 1.504 3.006
U_{min} 3.638 10.180 18.545
{\rm log}_{10}(\gamma_e)\, -2.291 -1.460 -0.714

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.412 -3.482 -2.471
{\rm log}_{10}(\tau_{AGN})\, 1.062 1.543 1.935

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -7.932 -3.823 -1.902
0.03-0.10 Gyr -7.750 -3.793 -1.849
0.10-0.33 Gyr -7.402 -4.056 -1.848
0.33-1.08 Gyr -6.717 -3.831 -1.844
1.08-3.54 Gyr -4.257 -2.474 -0.930
3.54-11.61 Gyr -2.012 0.207 0.824
11.61-12.90 Gyr 0.010 1.681 1.805