2025zsl

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Information

Transient

Name: AT2025zsl
Right ascension: 1h28m22.53s
Declination: -35d59m25.67s
Discovery Date: Oct. 4, 2025, 10:11 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.018

Host

Name: ESO353-005
Right ascension: 1h28m22.74s
Declination: -35d59m27.21s
Redshift: 0.017288
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
processed
 status
Local host SED inference
Local host SED inference
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 5.54
Cutout download processed 3.31
Global aperture construction processed 0.15
Local aperture photometry processed 0.83
Global aperture photometry processed 0.96
Validate local photometry processed 0.01
Validate global photometry processed 1.08
Host information processed 0.12
Global host SED inference processed 1870.59
Local host SED inference processed 520.62
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.05
Processing status completed 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) = 1h28m22.53s, -35d59m25.67s
semi major axis, semi minor axis (arcsec) = 5.69, 5.69
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.45 3.23 21.352 0.335 AB
GALEX_NUV 41.23 3.73 19.862 0.098 AB
2MASS_J 18735.87 147.33 12.323 0.009 Vega
2MASS_H 23159.71 242.4 11.621 0.011 Vega
2MASS_K 19533.26 265.02 11.335 0.015 Vega

Aperture details

RA, DEC (J2000) = 1h28m22.76s, -35d59m27.42s
semi major axis, semi minor axis (arcsec) = 19.25, 15.15
angle (degrees, anti-clockwise from east) = -162.31

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 27.58 5.24 20.299 0.206 AB
GALEX_NUV 100.9 6.69 18.890 0.072 AB
2MASS_J 37704.19 425.21 11.564 0.012 Vega
2MASS_H 47038.16 714.3 10.851 0.016 Vega
2MASS_K 38371.75 785.39 10.602 0.022 Vega
WISE_W1 17186.06 80.44 10.613 0.005 Vega
WISE_W2 9369.65 77.41 10.632 0.009 Vega
WISE_W3 4557.42 194.0 9.579 0.046 Vega
WISE_W4 4304.89 997.89 8.195 0.252 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.953 10.202 10.358
{\rm log}_{10}({\rm SFR}) -0.628 0.074 0.630
{\rm log}_{10}({\rm sSFR}) -10.884 -10.118 -9.515
{\rm stellar\ age} 3.114 7.085 8.966

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.129 -0.410 -0.031
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.183 -0.530 -0.062

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.671 1.056 1.456
\delta -0.734 -0.531 -0.341
\tau_1/\tau_2 0.386 0.761 1.196
Q_{PAH} 0.539 1.986 4.047
U_{min} 2.765 8.023 15.149
{\rm log}_{10}(\gamma_e)\, -3.287 -1.938 -1.084

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.467 -3.238 -0.845
{\rm log}_{10}(\tau_{AGN})\, 0.966 1.540 1.986

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.507 0.185 0.572
0.03-0.10 Gyr -1.483 -0.258 0.650
0.10-0.33 Gyr -1.470 -0.267 0.448
0.33-1.10 Gyr -1.293 -0.040 0.519
1.10-3.67 Gyr -1.297 0.092 0.451
3.67-12.18 Gyr -1.190 0.188 0.487
12.18-13.53 Gyr -1.057 0.258 0.978

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.507 10.627 10.769
{\rm log}_{10}({\rm SFR}) -3.277 -1.927 -1.130
{\rm log}_{10}({\rm sSFR}) -13.939 -12.540 -11.729
{\rm stellar\ age} 7.432 8.883 12.795

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.626 -0.379 -0.153
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.433 -0.578 0.107

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.053 0.170 0.329
\delta -0.849 -0.392 0.096
\tau_1/\tau_2 0.291 0.764 1.318
Q_{PAH} 0.163 0.628 2.052
U_{min} 2.709 7.860 15.500
{\rm log}_{10}(\gamma_e)\, -3.431 -2.523 -1.434

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.564 -3.723 -2.779
{\rm log}_{10}(\tau_{AGN})\, 1.194 1.695 2.006

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.595 -2.275 -1.375
0.03-0.10 Gyr -3.874 -1.992 -1.049
0.10-0.33 Gyr -3.692 -1.806 -0.841
0.33-1.10 Gyr -3.477 -1.421 -0.325
1.10-3.67 Gyr -2.975 -0.632 0.558
3.67-12.18 Gyr -1.275 0.608 0.852
12.18-13.53 Gyr 0.159 1.108 1.876