2025zzt

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Information

Transient

Name: AT2025zzt
Right ascension: 3h32m18.99s
Declination: -18d35m49.32s
Discovery Date: Oct. 2, 2025, 1:31 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.035

Host

Name:
Right ascension: 3h32m19.06s
Declination: -18d35m48.70s
Redshift: None
Photometric Redshift: 0.168
 

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 6.76
Cutout download processed 6.19
Global aperture construction processed 2.52
Local aperture photometry processed 5.44
Global aperture photometry processed 5.52
Validate local photometry no valid phot 0.02
Validate global photometry processed 14.67
Host information processed 0.12
Global host SED inference processed 475.06
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.05
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) = 3h32m18.99s, -18d35m49.32s
semi major axis, semi minor axis (arcsec) = 0.7, 0.7
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) = 3h32m19.04s, -18d35m48.68s
semi major axis, semi minor axis (arcsec) = 6.06, 3.57
angle (degrees, anti-clockwise from east) = -128.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.47 1.69 21.717 0.245 AB
GALEX_NUV 2.08 1.27 23.104 0.661 AB
DES_g 16.6 0.24 20.850 0.016 AB
PanSTARRS_g 19.61 1.13 20.669 0.063 AB
PanSTARRS_r 22.1 1.37 20.539 0.067 AB
DES_r 28.19 0.32 20.275 0.012 AB
PanSTARRS_i 32.55 1.43 20.119 0.048 AB
PanSTARRS_z 29.17 2.94 20.238 0.109 AB
DES_z 39.52 1.18 19.908 0.032 AB
PanSTARRS_y 44.17 7.9 19.787 0.194 AB
2MASS_J -115.03 124.48 Vega
2MASS_H -66.9 184.69 Vega
2MASS_K -307.86 214.26 Vega
WISE_W1 -0.32 8.15 Vega
WISE_W2 4.69 10.63 18.884 2.464 Vega
WISE_W3 -37.85 65.14 Vega
WISE_W4 -285.97 363.66 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})\, 9.203 9.418 9.543
{\rm log}_{10}({\rm SFR}) -0.325 0.139 0.628
{\rm log}_{10}({\rm sSFR}) -9.801 -9.289 -8.628
{\rm stellar\ age} 1.009 3.875 5.517

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.332 -0.549 0.001
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.049 -0.023 0.207

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.169 0.631 1.107
\delta -0.163 0.222 0.350
\tau_1/\tau_2 0.744 1.130 1.510
Q_{PAH} 1.065 3.209 5.431
U_{min} 2.811 8.243 15.901
{\rm log}_{10}(\gamma_e)\, -3.140 -2.022 -0.540

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.552 -1.216 -0.262
{\rm log}_{10}(\tau_{AGN})\, 0.970 1.413 1.858

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.316 0.058 0.435
0.03-0.10 Gyr -0.446 0.127 0.699
0.10-0.32 Gyr -0.334 0.097 0.577
0.32-1.02 Gyr -0.816 -0.123 0.190
1.02-3.28 Gyr -1.621 -0.469 -0.180
3.28-10.50 Gyr -2.109 -0.755 -0.408
10.50-11.66 Gyr -2.231 -0.795 -0.229