2025syl

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Information

Transient

Name: AT2025syl
Right ascension: 20h07m04.49s
Declination: -4d55m39.52s
Discovery Date: Aug. 2, 2025, 12:02 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.181

Host

Name:
Right ascension: 20h07m04.66s
Declination: -4d55m38.64s
Redshift: 0.059569
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 7.09
Cutout download processed 36.14
Global aperture construction processed 0.67
Local aperture photometry processed 3.85
Global aperture photometry processed 3.28
Validate local photometry processed 0.02
Validate global photometry processed 10.31
Host information processed 0.17
Global host SED inference processed 774.95
Local host SED inference processed 609.92
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.06
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) = 20h07m04.49s, -4d55m39.52s
semi major axis, semi minor axis (arcsec) = 1.74, 1.74
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 152.25 0.46 18.444 0.003 AB
PanSTARRS_r 195.41 0.54 18.173 0.003 AB
PanSTARRS_z 236.36 1.43 17.966 0.007 AB
PanSTARRS_y 273.71 3.32 17.807 0.013 AB

Aperture details

RA, DEC (J2000) = 20h07m04.59s, -4d55m38.14s
semi major axis, semi minor axis (arcsec) = 7.54, 5.99
angle (degrees, anti-clockwise from east) = -59.51

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 187.39 9.45 18.218 0.055 AB
GALEX_NUV 159.37 1.56 18.394 0.011 AB
PanSTARRS_g 909.26 1.66 16.503 0.002 AB
PanSTARRS_r 1263.81 1.95 16.146 0.002 AB
PanSTARRS_z 1876.72 5.43 15.717 0.003 AB
PanSTARRS_y 2116.0 12.68 15.586 0.007 AB
2MASS_J 2409.82 183.57 14.550 0.083 Vega
2MASS_H 2470.48 286.84 14.050 0.126 Vega
2MASS_K 2419.27 315.88 13.603 0.142 Vega
WISE_W1 986.37 30.63 13.716 0.034 Vega
WISE_W2 651.23 32.75 13.527 0.055 Vega
WISE_W3 1659.26 104.44 10.676 0.068 Vega
WISE_W4 4026.05 809.52 8.268 0.218 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})\, 8.870 9.247 9.418
{\rm log}_{10}({\rm SFR}) -0.431 0.214 0.770
{\rm log}_{10}({\rm sSFR}) -9.736 -9.073 -8.050
{\rm stellar\ age} 0.233 3.173 6.067

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.824 -1.453 -0.764
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.657 -0.762 0.019

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.113 0.348 0.669
\delta -0.623 -0.160 0.222
\tau_1/\tau_2 0.605 1.057 1.471
Q_{PAH} 0.520 2.075 4.393
U_{min} 3.106 8.586 16.479
{\rm log}_{10}(\gamma_e)\, -3.419 -1.948 -0.566

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.110 -2.110 -0.724
{\rm log}_{10}(\tau_{AGN})\, 0.973 1.536 1.938

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.701 -0.309 0.064
0.03-0.10 Gyr -0.502 0.300 0.913
0.10-0.33 Gyr -1.296 0.017 0.544
0.33-1.08 Gyr -2.925 -0.583 -0.045
1.08-3.55 Gyr -3.948 -0.938 -0.372
3.55-11.67 Gyr -4.692 -1.296 -0.584
11.67-12.96 Gyr -4.824 -1.308 -0.457

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.192 10.367 10.511
{\rm log}_{10}({\rm SFR}) 0.908 1.106 1.397
{\rm log}_{10}({\rm sSFR}) -9.487 -9.231 -8.886
{\rm stellar\ age} 6.332 7.616 11.036

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.397 -1.000 -0.701
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.962 -0.112 0.316

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.016 0.054 0.131
\delta -0.615 -0.200 0.173
\tau_1/\tau_2 0.602 1.098 1.573
Q_{PAH} 0.301 1.126 3.209
U_{min} 2.662 8.508 16.182
{\rm log}_{10}(\gamma_e)\, -3.311 -2.325 -1.148

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.031 -2.975 -2.143
{\rm log}_{10}(\tau_{AGN})\, 1.179 1.634 1.958

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.279 -0.064 0.304
0.03-0.10 Gyr 1.049 1.260 1.559
0.10-0.33 Gyr -2.183 -0.263 0.531
0.33-1.08 Gyr -3.057 -0.449 0.212
1.08-3.55 Gyr -2.607 -0.301 0.268
3.55-11.67 Gyr -0.697 0.343 0.598
11.67-12.96 Gyr -0.341 0.697 1.542