2025abtd

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Information

Transient

Name: AT2025abtd
Right ascension: 22h57m36.63s
Declination: -50d38m06.12s
Discovery Date: Oct. 26, 2025, 11:30 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.008

Host

Name:
Right ascension: 22h57m36.55s
Declination: -50d38m06.90s
Redshift: None
Photometric Redshift: 0.078
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.44
Transient MWEBV processed 0.04
Host match processed 6.16
Host information processed 0.14
Host MWEBV processed 0.05
Global aperture construction processed 0.53
Global aperture photometry processed 2.23
Validate global photometry processed 6.7
Global host SED inference processed 417.83
Local aperture photometry processed 2.2
Validate local photometry processed 0.01
Local host SED inference processed 424.34
 

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) = 22h57m36.63s, -50d38m06.12s
semi major axis, semi minor axis (arcsec) = 1.35, 1.35
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 24.19 0.14 20.441 0.006 AB
DES_r 43.45 0.24 19.805 0.006 AB
DES_z 63.33 0.91 19.396 0.016 AB

Aperture details

RA, DEC (J2000) = 22h57m36.54s, -50d38m06.79s
semi major axis, semi minor axis (arcsec) = 11.87, 9.5
angle (degrees, anti-clockwise from east) = 92.53

Warning: possible contaminating objects in the global aperture
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 33.45 4.23 20.089 0.137 AB
GALEX_NUV 47.46 0.92 19.709 0.021 AB
DES_g 242.51 0.59 17.938 0.003 AB
DES_r 401.59 0.94 17.391 0.003 AB
DES_z 618.65 3.46 16.921 0.006 AB
2MASS_J 259.4 237.72 16.970 0.995 Vega
2MASS_H 635.23 321.9 15.525 0.550 Vega
2MASS_K 1178.53 475.58 14.384 0.438 Vega
WISE_W1 363.13 23.46 14.801 0.070 Vega
WISE_W2 233.35 27.54 14.641 0.128 Vega
WISE_W3 352.72 99.54 12.357 0.306 Vega
WISE_W4 927.82 562.48 9.861 0.658 Vega
 

Imaging data

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Spectral Energy Distribution

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Warning: possible contaminating objects in the global aperture

Click the image to load the interactive plot.


 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.954 9.143 9.267
{\rm log}_{10}({\rm SFR}) -1.693 -0.945 -0.320
{\rm log}_{10}({\rm sSFR}) -10.935 -10.070 -9.388
{\rm stellar\ age} 3.649 6.355 7.975

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.671 -1.123 -0.262
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.558 -0.394 0.204

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.239 0.646 1.021
\delta -0.545 -0.194 0.150
\tau_1/\tau_2 0.670 1.015 1.352
Q_{PAH} 0.826 2.566 5.147
U_{min} 3.122 8.002 15.118
{\rm log}_{10}(\gamma_e)\, -3.068 -1.902 -0.500

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.612 -0.717 -0.046
{\rm log}_{10}(\tau_{AGN})\, 1.105 1.606 1.967

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.733 -0.973 -0.496
0.03-0.10 Gyr -1.898 -1.013 -0.275
0.10-0.33 Gyr -1.866 -0.970 -0.307
0.33-1.07 Gyr -1.804 -0.895 -0.390
1.07-3.50 Gyr -1.659 -0.841 -0.549
3.50-11.45 Gyr -1.515 -0.828 -0.582
11.45-12.72 Gyr -1.658 -0.834 -0.214

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.057 10.133 10.222
{\rm log}_{10}({\rm SFR}) -0.188 0.078 0.364
{\rm log}_{10}({\rm sSFR}) -10.329 -10.058 -9.773
{\rm stellar\ age} 6.773 7.647 9.926

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.759 -0.489 -0.275
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.191 0.064 0.320

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.053 0.117 0.231
\delta -0.742 -0.296 0.111
\tau_1/\tau_2 0.711 1.104 1.502
Q_{PAH} 0.571 1.729 3.969
U_{min} 3.068 8.264 15.296
{\rm log}_{10}(\gamma_e)\, -2.493 -1.414 -0.549

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.533 -2.116 -1.527
{\rm log}_{10}(\tau_{AGN})\, 0.968 1.331 1.745

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.209 -0.265 0.012
0.03-0.10 Gyr -0.217 0.167 0.507
0.10-0.33 Gyr -0.713 -0.122 0.220
0.33-1.07 Gyr -1.038 -0.329 -0.015
1.07-3.50 Gyr -1.021 -0.212 0.129
3.50-11.45 Gyr -0.042 0.246 0.382
11.45-12.72 Gyr 0.007 0.485 1.135