2025syg

Download data

Information

Transient

Name: AT2025syg
Right ascension: 0h57m45.54s
Declination: -22d22m40.90s
Discovery Date: July 30, 2025, 3:47 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.012

Host

Name:
Right ascension: 0h57m45.52s
Declination: -22d22m41.54s
Redshift: 0.103020
Photometric Redshift: 0.112
 

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 8.38
Cutout download processed 42.96
Global aperture construction processed 0.63
Local aperture photometry processed 5.47
Global aperture photometry processed 4.52
Validate local photometry processed 0.02
Validate global photometry processed 13.04
Host information processed 0.19
Global host SED inference processed 439.77
Local host SED inference processed 626.22
Transient information processed 0.0
Transient MWEBV processed 0.13
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) = 0h57m45.54s, -22d22m40.90s
semi major axis, semi minor axis (arcsec) = 1.06, 1.06
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 105.79 1.26 18.839 0.013 AB
PanSTARRS_y 100.62 2.09 18.893 0.023 AB

Aperture details

RA, DEC (J2000) = 0h57m45.50s, -22d22m41.28s
semi major axis, semi minor axis (arcsec) = 5.0, 4.36
angle (degrees, anti-clockwise from east) = -26.92

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 28.43 4.89 20.266 0.187 AB
GALEX_NUV 38.58 3.43 19.934 0.097 AB
DES_g 166.43 0.46 18.347 0.003 AB
PanSTARRS_g 160.59 1.18 18.386 0.008 AB
PanSTARRS_r 242.63 1.66 17.938 0.007 AB
DES_r 267.3 0.66 17.832 0.003 AB
PanSTARRS_i 319.04 2.07 17.640 0.007 AB
PanSTARRS_z 355.72 3.67 17.522 0.011 AB
DES_z 372.65 2.54 17.472 0.007 AB
PanSTARRS_y 409.42 9.02 17.370 0.024 AB
2MASS_J 420.89 112.09 16.445 0.289 Vega
2MASS_H 638.38 188.58 15.520 0.321 Vega
2MASS_K 478.85 212.34 15.362 0.481 Vega
WISE_W1 186.53 12.02 15.524 0.070 Vega
WISE_W2 138.09 14.46 15.211 0.114 Vega
WISE_W3 385.29 67.12 12.262 0.189 Vega
WISE_W4 364.12 338.6 10.877 1.010 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})\, 9.085 9.420 9.700
{\rm log}_{10}({\rm SFR}) -0.406 0.002 0.490
{\rm log}_{10}({\rm sSFR}) -9.984 -9.401 -8.737
{\rm stellar\ age} 1.970 5.779 8.295

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.534 -0.700 -0.089
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.252 -0.636 0.157

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.273 0.506 0.877
\delta -0.730 -0.376 0.084
\tau_1/\tau_2 0.422 0.926 1.449
Q_{PAH} 0.602 1.728 4.078
U_{min} 3.198 8.371 15.555
{\rm log}_{10}(\gamma_e)\, -3.408 -2.367 -0.854

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.553 -1.584 -0.652
{\rm log}_{10}(\tau_{AGN})\, 1.014 1.476 1.953

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.309 0.184 0.474
0.03-0.10 Gyr -1.422 -0.297 0.561
0.10-0.33 Gyr -2.201 -0.715 -0.028
0.33-1.06 Gyr -2.544 -0.736 0.012
1.06-3.44 Gyr -2.547 -0.791 -0.283
3.44-11.17 Gyr -2.245 -0.719 -0.208
11.17-12.42 Gyr -1.953 -0.615 0.311

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.071 10.135 10.227
{\rm log}_{10}({\rm SFR}) -0.019 0.266 0.542
{\rm log}_{10}({\rm sSFR}) -10.173 -9.868 -9.590
{\rm stellar\ age} 6.674 7.427 9.679

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.989 -0.724 -0.540
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.072 0.168 0.399

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.039 0.097 0.196
\delta -0.680 -0.247 0.121
\tau_1/\tau_2 0.628 1.033 1.406
Q_{PAH} 0.611 1.756 3.623
U_{min} 2.829 7.735 14.955
{\rm log}_{10}(\gamma_e)\, -2.193 -1.116 -0.359

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.960 -2.653 -1.691
{\rm log}_{10}(\tau_{AGN})\, 1.049 1.547 1.925

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.998 -0.494 -0.262
0.03-0.10 Gyr 0.084 0.406 0.697
0.10-0.33 Gyr -0.449 0.147 0.411
0.33-1.06 Gyr -0.948 -0.243 0.032
1.06-3.44 Gyr -0.932 -0.210 0.083
3.44-11.17 Gyr -0.065 0.264 0.386
11.17-12.42 Gyr 0.014 0.525 1.164