2025tdn

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Information

Transient

Name: AT2025tdn
Right ascension: 21h37m41.93s
Declination: 22d12m53.85s
Discovery Date: May 24, 2025, 1:32 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.101

Host

Name:
Right ascension: 21h37m41.96s
Declination: 22d12m53.32s
Redshift: None
Photometric Redshift: 0.097
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 61.1
Transient MWEBV processed 0.1
Host match processed 8.42
Host information processed 0.18
Host MWEBV processed 0.05
Global aperture construction processed 0.75
Global aperture photometry processed 6.38
Validate global photometry processed 15.44
Global host SED inference processed 618.63
Local aperture photometry processed 6.88
Validate local photometry processed 0.02
Local host SED inference processed 425.91
 

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) = 21h37m41.93s, 22d12m53.85s
semi major axis, semi minor axis (arcsec) = 1.12, 1.12
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 21.98 0.41 20.545 0.020 AB
PanSTARRS_i 31.29 0.36 20.161 0.013 AB
PanSTARRS_z 36.28 1.18 20.001 0.035 AB
DES_z 34.72 1.23 20.049 0.038 AB
PanSTARRS_y 36.83 2.25 19.985 0.066 AB

Aperture details

RA, DEC (J2000) = 21h37m41.94s, 22d12m53.53s
semi major axis, semi minor axis (arcsec) = 5.82, 3.23
angle (degrees, anti-clockwise from east) = -45.34

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 30.53 4.0 20.188 0.142 AB
DES_g 57.45 0.45 19.502 0.008 AB
PanSTARRS_g 59.85 1.03 19.457 0.019 AB
SDSS_r 89.95 3.29 19.015 0.040 AB
PanSTARRS_r 92.98 1.41 18.979 0.016 AB
DES_r 95.53 0.97 18.950 0.011 AB
PanSTARRS_i 117.02 1.35 18.729 0.013 AB
PanSTARRS_z 127.89 4.47 18.633 0.038 AB
SDSS_z 167.77 14.59 18.338 0.094 AB
DES_z 135.09 2.69 18.573 0.022 AB
PanSTARRS_y 122.21 8.51 18.682 0.076 AB
2MASS_J 241.55 136.25 17.048 0.612 Vega
2MASS_H 472.74 190.3 15.846 0.437 Vega
2MASS_K 155.36 222.19 16.584 1.553 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})\, 8.971 9.148 9.316
{\rm log}_{10}({\rm SFR}) -1.371 -0.944 -0.435
{\rm log}_{10}({\rm sSFR}) -10.539 -10.102 -9.461
{\rm stellar\ age} 3.894 6.425 7.986

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.490 -0.937 -0.438
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.254 -0.707 -0.144

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.264 0.600 0.969
\delta -0.520 -0.115 0.179
\tau_1/\tau_2 0.588 0.954 1.282
Q_{PAH} 0.828 2.546 5.083
U_{min} 2.816 7.567 14.019
{\rm log}_{10}(\gamma_e)\, -2.954 -1.908 -0.847

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.583 -0.587 -0.082
{\rm log}_{10}(\tau_{AGN})\, 1.075 1.481 1.962

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.134 -0.800 -0.453
0.03-0.10 Gyr -1.748 -1.069 -0.418
0.10-0.33 Gyr -1.816 -1.086 -0.415
0.33-1.06 Gyr -1.712 -0.979 -0.426
1.06-3.45 Gyr -1.609 -0.825 -0.555
3.45-11.24 Gyr -1.368 -0.778 -0.512
11.24-12.49 Gyr -1.524 -0.773 -0.163

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.311 9.552 9.709
{\rm log}_{10}({\rm SFR}) -0.747 0.074 0.737
{\rm log}_{10}({\rm sSFR}) -10.318 -9.482 -8.731
{\rm stellar\ age} 1.426 4.886 7.084

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.782 -1.343 -0.656
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.687 -0.868 0.166

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.207 0.453 0.893
\delta -0.581 -0.115 0.221
\tau_1/\tau_2 0.498 0.912 1.343
Q_{PAH} 1.302 3.449 5.491
U_{min} 3.427 9.335 17.009
{\rm log}_{10}(\gamma_e)\, -3.061 -1.692 -0.506

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.446 -1.779 -0.753
{\rm log}_{10}(\tau_{AGN})\, 0.929 1.291 1.783

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.628 -1.068 -0.487
0.03-0.10 Gyr -0.721 0.219 0.894
0.10-0.33 Gyr -0.997 0.087 0.671
0.33-1.06 Gyr -1.999 -0.356 0.138
1.06-3.45 Gyr -2.405 -0.477 -0.052
3.45-11.24 Gyr -2.598 -0.691 -0.227
11.24-12.49 Gyr -2.640 -0.670 0.157