2025zlt

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Information

Transient

Name: AT2025zlt
Right ascension: 2h29m58.22s
Declination: -26d36m57.27s
Discovery Date: Sept. 30, 2025, 12:10 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.015

Host

Name: 765927
Right ascension: 2h29m58.34s
Declination: -26d36m56.30s
Redshift: None
Photometric Redshift: 0.147
 

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 3.67
Cutout download processed 5.99
Global aperture construction processed 0.69
Local aperture photometry processed 4.26
Global aperture photometry processed 4.92
Validate local photometry no valid phot 0.02
Validate global photometry processed 11.78
Host information processed 0.11
Global host SED inference processed 425.7
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.08
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) = 2h29m58.22s, -26d36m57.27s
semi major axis, semi minor axis (arcsec) = 0.78, 0.78
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) = 2h29m58.28s, -26d36m56.87s
semi major axis, semi minor axis (arcsec) = 6.62, 5.77
angle (degrees, anti-clockwise from east) = -121.03

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.49 1.29 22.910 0.564 AB
GALEX_NUV 7.35 1.22 21.734 0.180 AB
DES_g 198.56 0.52 18.155 0.003 AB
PanSTARRS_g 206.45 1.33 18.113 0.007 AB
PanSTARRS_r 443.79 1.83 17.282 0.004 AB
PanSTARRS_i 618.89 2.23 16.921 0.004 AB
PanSTARRS_z 815.94 3.84 16.621 0.005 AB
PanSTARRS_y 949.43 8.67 16.456 0.010 AB
2MASS_J 1484.36 176.62 15.076 0.129 Vega
2MASS_H 1463.28 246.41 14.619 0.183 Vega
2MASS_K 1625.97 312.09 14.034 0.208 Vega
WISE_W1 620.49 14.98 14.219 0.026 Vega
WISE_W2 423.94 19.33 13.993 0.050 Vega
WISE_W3 163.13 67.46 13.195 0.449 Vega
WISE_W4 487.23 339.04 10.561 0.755 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})\, 10.895 10.943 11.015
{\rm log}_{10}({\rm SFR}) -0.307 0.251 0.706
{\rm log}_{10}({\rm sSFR}) -11.293 -10.707 -10.241
{\rm stellar\ age} 6.686 7.284 9.440

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.778 -0.593 -0.476
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.503 -0.752 0.070

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.201 0.294 0.429
\delta -0.925 -0.774 -0.516
\tau_1/\tau_2 0.711 1.087 1.472
Q_{PAH} 0.830 2.243 4.381
U_{min} 2.508 7.760 14.783
{\rm log}_{10}(\gamma_e)\, -2.820 -1.962 -0.937

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.244 -3.067 -2.009
{\rm log}_{10}(\tau_{AGN})\, 1.098 1.604 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.373 -0.281 0.118
0.03-0.10 Gyr -0.257 0.341 0.844
0.10-0.32 Gyr -0.318 0.373 0.790
0.32-1.03 Gyr -0.570 0.256 0.601
1.03-3.33 Gyr -0.317 0.517 0.863
3.33-10.70 Gyr 0.814 1.146 1.246
10.70-11.89 Gyr 0.756 1.289 1.976