2025sak

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Information

Transient

Name: AT2025sak
Right ascension: 3h39m07.11s
Declination: -32d05m24.27s
Discovery Date: July 24, 2025, 5:39 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.010

Host

Name: 696978
Right ascension: 3h39m06.91s
Declination: -32d05m34.30s
Redshift: None
Photometric Redshift: 0.057
 

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 4.28
Cutout download processed 10.75
Global aperture construction processed 0.61
Local aperture photometry processed 2.46
Global aperture photometry processed 2.05
Validate local photometry processed 0.02
Validate global photometry processed 5.71
Host information processed 0.15
Global host SED inference processed 478.38
Local host SED inference processed 460.27
Transient information processed 0.0
Transient MWEBV processed 0.1
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) = 3h39m07.11s, -32d05m24.27s
semi major axis, semi minor axis (arcsec) = 1.8, 1.8
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 5.89 0.1 21.974 0.019 AB
DES_r 7.45 0.13 21.719 0.019 AB
DES_z 7.36 0.43 21.732 0.063 AB

Aperture details

RA, DEC (J2000) = 3h39m06.96s, -32d05m35.60s
semi major axis, semi minor axis (arcsec) = 16.61, 15.29
angle (degrees, anti-clockwise from east) = 83.53

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 74.78 6.1 19.215 0.089 AB
DES_g 378.57 0.86 17.455 0.002 AB
DES_r 608.62 1.19 16.939 0.002 AB
DES_z 947.01 4.27 16.459 0.005 AB
WISE_W1 539.04 22.17 14.372 0.045 Vega
WISE_W2 373.64 28.81 14.130 0.084 Vega
WISE_W3 382.77 104.01 12.269 0.295 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})\, 7.388 7.673 7.890
{\rm log}_{10}({\rm SFR}) -1.947 -1.357 -0.650
{\rm log}_{10}({\rm sSFR}) -9.717 -9.009 -8.030
{\rm stellar\ age} 0.377 4.577 6.781

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.790 -1.369 -0.581
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.671 -1.073 0.017

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.209 0.596 1.146
\delta -0.396 0.010 0.291
\tau_1/\tau_2 0.661 1.062 1.485
Q_{PAH} 0.848 2.489 4.681
U_{min} 2.798 8.236 15.539
{\rm log}_{10}(\gamma_e)\, -3.034 -2.041 -0.973

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.095 -0.059 0.291
{\rm log}_{10}(\tau_{AGN})\, 1.093 1.433 1.900

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.089 -1.633 -1.089
0.03-0.10 Gyr -2.127 -1.378 -0.533
0.10-0.33 Gyr -3.179 -1.962 -1.371
0.33-1.08 Gyr -4.294 -2.268 -1.789
1.08-3.56 Gyr -4.848 -2.473 -2.000
3.56-11.69 Gyr -5.089 -2.570 -2.059
11.69-12.99 Gyr -4.919 -2.621 -1.931

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.995 10.061 10.149
{\rm log}_{10}({\rm SFR}) -0.306 0.009 0.352
{\rm log}_{10}({\rm sSFR}) -10.385 -10.046 -9.697
{\rm stellar\ age} 7.236 8.184 11.111

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.690 -0.439 -0.258
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.572 -0.204 0.293

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.041 0.098 0.221
\delta -0.754 -0.283 0.145
\tau_1/\tau_2 0.658 1.065 1.488
Q_{PAH} 0.804 2.063 3.910
U_{min} 2.808 8.129 15.941
{\rm log}_{10}(\gamma_e)\, -2.988 -1.955 -1.004

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.561 -2.301 -1.636
{\rm log}_{10}(\tau_{AGN})\, 1.130 1.541 1.899

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.620 -0.650 -0.292
0.03-0.10 Gyr -0.262 0.134 0.504
0.10-0.33 Gyr -1.047 -0.222 0.145
0.33-1.08 Gyr -1.901 -0.645 -0.236
1.08-3.56 Gyr -1.721 -0.530 -0.076
3.56-11.69 Gyr -0.399 0.163 0.298
11.69-12.99 Gyr -0.140 0.501 1.180