2025zst

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Information

Transient

Name: AT2025zst
Right ascension: 8h09m09.13s
Declination: 43d55m56.07s
Discovery Date: Sept. 30, 2025, 10:44 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.041

Host

Name:
Right ascension: 8h09m09.04s
Declination: 43d55m55.29s
Redshift: 0.140398
Photometric Redshift:
 

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 5.25
Cutout download processed 3.32
Global aperture construction processed 0.67
Local aperture photometry processed 3.83
Global aperture photometry processed 3.89
Validate local photometry no valid phot 0.02
Validate global photometry processed 9.8
Host information processed 0.14
Global host SED inference processed 453.31
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.04
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) = 8h09m09.13s, 43d55m56.07s
semi major axis, semi minor axis (arcsec) = 0.81, 0.81
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) = 8h09m09.02s, 43d55m55.54s
semi major axis, semi minor axis (arcsec) = 7.56, 5.17
angle (degrees, anti-clockwise from east) = -67.96

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 194.84 1.43 18.176 0.008 AB
PanSTARRS_r 459.11 1.79 17.245 0.004 AB
PanSTARRS_i 699.22 1.71 16.788 0.003 AB
PanSTARRS_z 907.88 4.6 16.505 0.006 AB
PanSTARRS_y 1083.2 10.92 16.313 0.011 AB
2MASS_J 1535.9 130.22 15.039 0.092 Vega
2MASS_H 1909.89 183.1 14.330 0.104 Vega
2MASS_K 1797.07 213.82 13.926 0.129 Vega
WISE_W1 767.95 18.99 13.988 0.027 Vega
WISE_W2 524.04 23.15 13.763 0.048 Vega
WISE_W3 497.33 77.6 11.984 0.169 Vega
WISE_W4 384.98 390.28 10.816 1.101 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})\, 10.984 11.039 11.151
{\rm log}_{10}({\rm SFR}) -4.314 -1.494 -0.172
{\rm log}_{10}({\rm sSFR}) -15.215 -12.485 -11.137
{\rm stellar\ age} 7.016 8.048 11.336

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.888 -0.641 -0.485
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.574 -0.665 0.134

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.183 0.310 0.470
\delta -0.906 -0.682 -0.394
\tau_1/\tau_2 0.541 0.961 1.395
Q_{PAH} 0.734 2.229 4.412
U_{min} 2.935 9.019 17.125
{\rm log}_{10}(\gamma_e)\, -3.081 -2.228 -1.230

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.193 -2.973 -1.993
{\rm log}_{10}(\tau_{AGN})\, 1.042 1.497 1.906

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.034 -1.637 -0.353
0.03-0.10 Gyr -5.414 -1.706 -0.116
0.10-0.32 Gyr -5.090 -1.745 -0.134
0.32-1.04 Gyr -4.504 -1.525 0.027
1.04-3.34 Gyr -3.003 -0.712 0.746
3.34-10.77 Gyr -0.866 1.136 1.351
10.77-11.97 Gyr 0.413 1.624 2.323