2025syn

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Information

Transient

Name: AT2025syn
Right ascension: 4h28m39.71s
Declination: -47d51m55.19s
Discovery Date: July 29, 2025, 10:01 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.010

Host

Name:
Right ascension: 4h28m39.80s
Declination: -47d51m54.97s
Redshift: None
Photometric Redshift: 0.099
 

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 8.96
Cutout download processed 11.37
Global aperture construction processed 0.46
Local aperture photometry processed 2.33
Global aperture photometry processed 2.06
Validate local photometry processed 0.02
Validate global photometry processed 6.29
Host information processed 0.14
Global host SED inference processed 393.81
Local host SED inference processed 441.9
Transient information processed 0.0
Transient MWEBV processed 0.07
Host MWEBV processed 0.04
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) = 4h28m39.71s, -47d51m55.19s
semi major axis, semi minor axis (arcsec) = 1.1, 1.1
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 49.58 0.24 19.662 0.005 AB
DES_z 71.9 0.85 19.258 0.013 AB

Aperture details

RA, DEC (J2000) = 4h28m39.80s, -47d51m54.99s
semi major axis, semi minor axis (arcsec) = 5.52, 3.81
angle (degrees, anti-clockwise from east) = 4.49

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 20.93 4.57 20.598 0.237 AB
GALEX_NUV 35.76 3.62 20.017 0.110 AB
DES_g 141.67 0.37 18.522 0.003 AB
DES_r 211.35 0.55 18.087 0.003 AB
DES_z 276.02 1.85 17.798 0.007 AB
2MASS_J 155.03 159.98 17.529 1.120 Vega
2MASS_H 607.02 224.97 15.574 0.402 Vega
2MASS_K 265.46 267.76 16.002 1.095 Vega
WISE_W1 156.77 7.81 15.713 0.054 Vega
WISE_W2 107.33 9.91 15.484 0.100 Vega
WISE_W4 650.08 244.43 10.248 0.408 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})\, 9.053 9.323 9.490
{\rm log}_{10}({\rm SFR}) -0.975 -0.244 0.400
{\rm log}_{10}({\rm sSFR}) -10.369 -9.586 -8.768
{\rm stellar\ age} 1.644 5.524 7.660

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.594 -0.939 -0.081
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.314 -0.489 0.156

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.295 0.689 1.163
\delta -0.634 -0.301 0.125
\tau_1/\tau_2 0.629 1.029 1.433
Q_{PAH} 0.817 2.520 4.819
U_{min} 3.247 8.537 16.292
{\rm log}_{10}(\gamma_e)\, -3.006 -1.802 -0.672

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.664 -1.296 -0.071
{\rm log}_{10}(\tau_{AGN})\, 1.157 1.686 2.018

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.018 -0.383 0.113
0.03-0.10 Gyr -1.197 -0.290 0.511
0.10-0.33 Gyr -1.670 -0.567 0.101
0.33-1.06 Gyr -2.408 -0.741 -0.126
1.06-3.45 Gyr -2.557 -0.802 -0.393
3.45-11.22 Gyr -2.487 -0.776 -0.394
11.22-12.47 Gyr -2.336 -0.741 -0.016

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.723 9.825 9.960
{\rm log}_{10}({\rm SFR}) -0.232 0.085 0.423
{\rm log}_{10}({\rm sSFR}) -10.063 -9.751 -9.400
{\rm stellar\ age} 4.871 6.126 7.366

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.332 -0.810 -0.434
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.416 -0.289 0.277

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.094 0.205 0.371
\delta -0.571 -0.127 0.196
\tau_1/\tau_2 0.687 1.059 1.400
Q_{PAH} 1.021 2.580 4.546
U_{min} 2.788 7.769 14.687
{\rm log}_{10}(\gamma_e)\, -2.754 -1.535 -0.468

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.986 -2.657 -1.703
{\rm log}_{10}(\tau_{AGN})\, 0.987 1.430 1.844

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.923 -0.351 -0.048
0.03-0.10 Gyr -0.234 0.184 0.566
0.10-0.33 Gyr -0.109 0.267 0.527
0.33-1.06 Gyr -0.470 -0.031 0.230
1.06-3.45 Gyr -0.471 -0.123 0.085
3.45-11.22 Gyr -0.407 -0.120 0.075
11.22-12.47 Gyr -0.620 -0.041 0.464