2025sau

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Information

Transient

Name: AT2025sau
Right ascension: 2h27m47.69s
Declination: -26d14m12.74s
Discovery Date: July 24, 2025, 4:15 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.011

Host

Name: 198395
Right ascension: 2h27m48.06s
Declination: -26d14m16.51s
Redshift: 0.064100
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 4.01
Cutout download processed 27.16
Global aperture construction processed 0.67
Local aperture photometry processed 5.96
Global aperture photometry processed 5.51
Validate local photometry processed 0.02
Validate global photometry processed 14.43
Host information processed 0.17
Global host SED inference processed 447.3
Local host SED inference processed 424.0
Transient information processed 0.0
Transient MWEBV processed 0.04
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) = 2h27m47.69s, -26d14m12.74s
semi major axis, semi minor axis (arcsec) = 1.62, 1.62
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 17.46 0.15 20.795 0.009 AB
PanSTARRS_g 19.76 0.45 20.661 0.025 AB
PanSTARRS_r 33.94 0.51 20.073 0.016 AB
DES_r 32.83 0.27 20.109 0.009 AB
PanSTARRS_i 47.16 0.5 19.716 0.011 AB
PanSTARRS_z 54.68 1.06 19.555 0.021 AB
DES_z 51.82 0.87 19.614 0.018 AB
PanSTARRS_y 66.13 2.46 19.349 0.040 AB

Aperture details

RA, DEC (J2000) = 2h27m48.04s, -26d14m16.25s
semi major axis, semi minor axis (arcsec) = 9.15, 8.29
angle (degrees, anti-clockwise from east) = -138.51

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 37.24 5.31 19.973 0.155 AB
GALEX_NUV 66.5 2.73 19.343 0.045 AB
DES_g 934.07 1.02 16.474 0.001 AB
PanSTARRS_g 935.21 2.47 16.473 0.003 AB
PanSTARRS_r 1740.92 2.78 15.798 0.002 AB
DES_r 1906.6 1.96 15.699 0.001 AB
PanSTARRS_i 2434.23 2.71 15.434 0.001 AB
PanSTARRS_z 2885.17 5.73 15.250 0.002 AB
DES_z 3169.3 6.52 15.148 0.002 AB
PanSTARRS_y 3437.94 13.07 15.059 0.004 AB
2MASS_J 4334.04 247.52 13.913 0.062 Vega
2MASS_H 5588.23 329.08 13.164 0.064 Vega
2MASS_K 4547.83 421.57 12.918 0.101 Vega
WISE_W1 2044.6 27.77 12.924 0.015 Vega
WISE_W2 1195.47 29.02 12.867 0.026 Vega
WISE_W3 1837.06 84.62 10.566 0.050 Vega
WISE_W4 1457.21 556.65 9.371 0.415 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})\, 8.962 9.085 9.194
{\rm log}_{10}({\rm SFR}) -1.766 -1.268 -0.817
{\rm log}_{10}({\rm sSFR}) -10.889 -10.369 -9.917
{\rm stellar\ age} 6.202 7.487 9.761

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.596 -1.082 -0.575
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.456 -0.813 -0.049

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.402 0.785 1.138
\delta -0.313 0.033 0.255
\tau_1/\tau_2 0.683 1.019 1.353
Q_{PAH} 0.863 2.697 5.161
U_{min} 3.195 8.225 14.703
{\rm log}_{10}(\gamma_e)\, -2.873 -1.682 -0.609

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.439 -0.747 -0.119
{\rm log}_{10}(\tau_{AGN})\, 1.232 1.613 2.010

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.861 -1.302 -0.889
0.03-0.10 Gyr -1.909 -1.292 -0.754
0.10-0.33 Gyr -2.139 -1.400 -0.841
0.33-1.08 Gyr -2.268 -1.438 -0.918
1.08-3.54 Gyr -2.040 -1.119 -0.783
3.54-11.61 Gyr -1.230 -0.822 -0.649
11.61-12.90 Gyr -1.255 -0.658 0.027

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.738 10.773 10.856
{\rm log}_{10}({\rm SFR}) -0.111 0.120 0.377
{\rm log}_{10}({\rm sSFR}) -10.915 -10.669 -10.428
{\rm stellar\ age} 7.738 8.901 11.653

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.594 -0.460 -0.356
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.210 0.273 0.427

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.123 0.174 0.266
\delta -0.876 -0.643 -0.358
\tau_1/\tau_2 0.650 1.063 1.495
Q_{PAH} 0.444 1.347 2.817
U_{min} 2.381 7.122 14.130
{\rm log}_{10}(\gamma_e)\, -3.187 -1.994 -1.222

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.469 -3.671 -2.729
{\rm log}_{10}(\tau_{AGN})\, 1.024 1.507 1.916

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.412 -0.042 0.157
0.03-0.10 Gyr -0.169 0.174 0.490
0.10-0.33 Gyr -0.507 0.009 0.321
0.33-1.08 Gyr -1.078 -0.304 0.066
1.08-3.54 Gyr -1.176 -0.253 0.266
3.54-11.61 Gyr 0.120 0.903 1.023
11.61-12.90 Gyr 0.802 1.408 1.954