2025tsd

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Information

Transient

Name: AT2025tsd
Right ascension: 19h57m41.60s
Declination: -50d17m48.28s
Discovery Date: Aug. 12, 2025, 9:53 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.040

Host

Name:
Right ascension: 19h57m41.58s
Declination: -50d17m48.10s
Redshift: None
Photometric Redshift: 0.188
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
no valid phot
 status
Local host SED inference
Local host SED inference
not processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 7.59
Cutout download processed 35.91
Global aperture construction processed 0.79
Local aperture photometry processed 2.93
Global aperture photometry processed 2.52
Validate local photometry no valid phot 0.02
Validate global photometry processed 9.49
Host information processed 0.15
Global host SED inference processed 467.41
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.07
Host MWEBV processed 0.06
Processing status blocked N/A N/A
 

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) = 19h57m41.60s, -50d17m48.28s
semi major axis, semi minor axis (arcsec) = 0.64, 0.64
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 19h57m41.58s, -50d17m48.09s
semi major axis, semi minor axis (arcsec) = 3.78, 3.5
angle (degrees, anti-clockwise from east) = 108.82

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 5.71 1.61 22.008 0.305 AB
DES_g 19.2 0.46 20.691 0.026 AB
DES_r 35.35 0.77 20.029 0.024 AB
DES_z 53.74 3.11 19.574 0.063 AB
2MASS_J 289.83 132.04 16.850 0.495 Vega
2MASS_K 131.99 209.67 16.761 1.725 Vega
WISE_W3 57.36 52.6 14.330 0.996 Vega
WISE_W4 99.97 344.61 12.280 3.743 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.636 9.828 9.993
{\rm log}_{10}({\rm SFR}) 0.089 0.529 0.954
{\rm log}_{10}({\rm sSFR}) -9.803 -9.345 -8.786
{\rm stellar\ age} 2.647 5.219 6.839

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.404 -0.627 -0.057
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.666 -0.699 0.196

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.393 0.783 1.176
\delta -0.048 0.200 0.338
\tau_1/\tau_2 0.765 1.141 1.542
Q_{PAH} 0.713 2.407 4.721
U_{min} 3.194 8.987 15.873
{\rm log}_{10}(\gamma_e)\, -2.913 -1.713 -0.668

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.712 -1.647 -0.233
{\rm log}_{10}(\tau_{AGN})\, 0.992 1.348 1.791

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.197 0.375 0.797
0.03-0.10 Gyr -0.001 0.542 1.024
0.10-0.32 Gyr -0.444 0.267 0.730
0.32-1.01 Gyr -0.834 -0.103 0.368
1.01-3.23 Gyr -0.851 -0.160 0.148
3.23-10.30 Gyr -0.951 -0.180 0.134
10.30-11.44 Gyr -1.043 -0.108 0.481