2025gsj

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Information

Transient

Name: AT2025gsj
Right ascension: 13h44m46.81s
Declination: -21d05m46.99s
Discovery Date: April 3, 2025, 3:50 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.093

Host

Name: 2025gsj
Right ascension: 13h44m46.83s
Declination: -21d05m55.56s
Redshift: 0.079416
Photometric Redshift: 0.082
 

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 2.07
Cutout download processed 4.61
Global aperture construction processed 0.7
Local aperture photometry processed 4.02
Global aperture photometry processed 4.21
Validate local photometry processed 0.02
Validate global photometry processed 12.08
Host information processed 0.09
Global host SED inference processed 385.27
Local host SED inference processed 406.12
Transient information processed 0.0
Transient MWEBV processed 0.15
Host MWEBV processed 0.05
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) = 13h44m46.81s, -21d05m46.99s
semi major axis, semi minor axis (arcsec) = 1.33, 1.33
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 6.48 0.31 21.870 0.051 AB
PanSTARRS_r 12.18 0.4 21.186 0.036 AB
PanSTARRS_i 17.83 0.53 20.772 0.032 AB
PanSTARRS_z 18.93 0.78 20.707 0.045 AB
PanSTARRS_y 17.35 1.82 20.802 0.114 AB

Aperture details

RA, DEC (J2000) = 13h44m46.82s, -21d05m55.19s
semi major axis, semi minor axis (arcsec) = 12.48, 8.72
angle (degrees, anti-clockwise from east) = -4.73

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 20.3 4.94 20.631 0.264 AB
GALEX_NUV 29.54 3.33 20.224 0.122 AB
PanSTARRS_g 532.99 2.41 17.083 0.005 AB
PanSTARRS_r 1043.0 3.14 16.354 0.003 AB
PanSTARRS_i 1638.9 4.12 15.864 0.003 AB
PanSTARRS_z 2038.92 6.12 15.627 0.003 AB
PanSTARRS_y 2397.65 14.33 15.451 0.006 AB
2MASS_J 2809.09 287.62 14.384 0.111 Vega
2MASS_H 4546.05 427.76 13.388 0.102 Vega
2MASS_K 5013.39 427.67 12.812 0.093 Vega
WISE_W1 2254.02 30.85 12.819 0.015 Vega
WISE_W2 1507.21 37.46 12.616 0.027 Vega
WISE_W3 6376.78 141.49 9.214 0.024 Vega
WISE_W4 6232.58 762.86 7.793 0.133 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})\, 8.653 8.794 8.914
{\rm log}_{10}({\rm SFR}) -1.748 -1.240 -0.767
{\rm log}_{10}({\rm sSFR}) -10.595 -10.036 -9.520
{\rm stellar\ age} 5.223 6.954 8.660

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.677 -1.212 -0.630
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.488 -0.791 0.008

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.361 0.682 1.065
\delta -0.342 -0.020 0.251
\tau_1/\tau_2 0.755 1.078 1.409
Q_{PAH} 0.801 2.373 4.666
U_{min} 2.919 7.768 14.511
{\rm log}_{10}(\gamma_e)\, -2.700 -1.669 -0.801

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.335 -0.348 0.121
{\rm log}_{10}(\tau_{AGN})\, 1.059 1.494 1.948

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.745 -1.191 -0.829
0.03-0.10 Gyr -1.978 -1.286 -0.734
0.10-0.33 Gyr -2.314 -1.518 -0.938
0.33-1.07 Gyr -2.456 -1.555 -0.968
1.07-3.50 Gyr -2.087 -1.270 -0.975
3.50-11.44 Gyr -1.523 -1.110 -0.920
11.44-12.71 Gyr -1.660 -1.041 -0.433

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.849 10.914 10.995
{\rm log}_{10}({\rm SFR}) 0.267 0.578 0.909
{\rm log}_{10}({\rm sSFR}) -10.668 -10.317 -9.976
{\rm stellar\ age} 7.220 7.997 10.639

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.739 -0.484 -0.245
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.677 -0.574 0.272

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.356 0.521 0.707
\delta -0.298 0.006 0.175
\tau_1/\tau_2 0.751 1.135 1.519
Q_{PAH} 1.449 2.678 4.424
U_{min} 2.332 6.984 14.268
{\rm log}_{10}(\gamma_e)\, -3.255 -2.335 -1.543

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.521 -1.816 -1.442
{\rm log}_{10}(\tau_{AGN})\, 1.062 1.451 1.823

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.150 0.447 0.670
0.03-0.10 Gyr 0.158 0.627 1.010
0.10-0.33 Gyr -0.454 0.295 0.709
0.33-1.07 Gyr -0.764 0.134 0.529
1.07-3.50 Gyr -0.697 0.341 0.767
3.50-11.44 Gyr 0.651 1.056 1.173
11.44-12.71 Gyr 0.802 1.333 2.006