2025syu

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Information

Transient

Name: AT2025syu
Right ascension: 0h59m19.92s
Declination: -62d36m29.32s
Discovery Date: July 24, 2025, 7:40 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.019

Host

Name:
Right ascension: 0h59m20.08s
Declination: -62d36m27.33s
Redshift: None
Photometric Redshift: 0.079
 

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 8.0
Cutout download processed 20.4
Global aperture construction processed 0.15
Local aperture photometry processed 0.97
Global aperture photometry processed 0.78
Validate local photometry no valid phot 0.01
Validate global photometry processed 0.91
Host information processed 0.15
Global host SED inference processed 709.9
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.07
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) = 0h59m19.92s, -62d36m29.32s
semi major axis, semi minor axis (arcsec) = 1.34, 1.34
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) = 0h59m20.11s, -62d36m27.07s
semi major axis, semi minor axis (arcsec) = 5.5, 4.03
angle (degrees, anti-clockwise from east) = -104.48

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.32 3.3 21.265 0.316 AB
GALEX_NUV 20.79 2.86 20.605 0.150 AB
2MASS_J 1192.05 127.8 15.314 0.116 Vega
2MASS_H 1153.24 195.68 14.878 0.184 Vega
2MASS_K 1666.69 218.02 14.008 0.142 Vega
WISE_W1 567.86 13.25 14.315 0.025 Vega
WISE_W2 355.78 14.86 14.183 0.045 Vega
WISE_W3 165.66 49.73 13.178 0.326 Vega
WISE_W4 136.8 343.63 11.940 2.727 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})\, 10.099 10.276 10.468
{\rm log}_{10}({\rm SFR}) -0.760 -0.150 0.328
{\rm log}_{10}({\rm sSFR}) -11.111 -10.404 -9.887
{\rm stellar\ age} 4.832 7.151 10.168

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.643 -0.315 -0.016
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.021 -0.524 0.023

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.099 0.252 0.446
\delta -0.882 -0.647 -0.282
\tau_1/\tau_2 0.329 0.766 1.275
Q_{PAH} 0.221 0.765 2.351
U_{min} 2.613 7.220 14.135
{\rm log}_{10}(\gamma_e)\, -3.541 -2.807 -1.713

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.505 -3.634 -2.509
{\rm log}_{10}(\tau_{AGN})\, 1.037 1.537 1.947

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.117 -0.335 0.345
0.03-0.10 Gyr -1.283 -0.381 0.411
0.10-0.33 Gyr -1.336 -0.234 0.454
0.33-1.07 Gyr -1.661 -0.051 0.569
1.07-3.50 Gyr -1.239 0.136 0.502
3.50-11.44 Gyr -0.476 0.291 0.578
11.44-12.71 Gyr -0.352 0.465 1.387