2025gku

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Information

Transient

Name: AT2025gku
Right ascension: 13h52m59.32s
Declination: 4d01m21.86s
Discovery Date: Feb. 21, 2025, 6:57 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.023

Host

Name: 2025gku
Right ascension: 13h52m59.31s
Declination: 4d01m24.32s
Redshift: None
Photometric Redshift: 0.174
 

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 2.11
Cutout download processed 22.13
Global aperture construction processed 0.63
Local aperture photometry processed 7.23
Global aperture photometry processed 7.4
Validate local photometry no valid phot 0.03
Validate global photometry processed 19.4
Host information processed 0.08
Global host SED inference processed 398.99
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.04
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) = 13h52m59.32s, 4d01m21.86s
semi major axis, semi minor axis (arcsec) = 0.68, 0.68
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Aperture details

RA, DEC (J2000) = 13h52m59.30s, 4d01m24.50s
semi major axis, semi minor axis (arcsec) = 5.51, 4.95
angle (degrees, anti-clockwise from east) = -150.52

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 9.25 0.83 21.485 0.098 AB
GALEX_NUV 15.32 0.68 20.937 0.048 AB
SDSS_u 9.32 4.73 21.476 0.551 AB
SDSS_g 67.98 2.61 19.319 0.042 AB
DES_g 69.37 0.54 19.297 0.009 AB
PanSTARRS_g 70.04 1.23 19.287 0.019 AB
SDSS_r 109.0 3.6 18.806 0.036 AB
PanSTARRS_r 121.48 1.92 18.689 0.017 AB
DES_r 128.66 1.32 18.626 0.011 AB
SDSS_i 165.02 5.23 18.356 0.034 AB
PanSTARRS_i 143.36 2.78 18.509 0.021 AB
PanSTARRS_z 170.37 3.6 18.322 0.023 AB
SDSS_z 171.03 13.47 18.317 0.085 AB
DES_z 194.69 2.79 18.177 0.016 AB
PanSTARRS_y 210.02 7.95 18.094 0.041 AB
2MASS_J 249.42 153.88 17.013 0.670 Vega
2MASS_H 265.31 190.5 16.473 0.780 Vega
2MASS_K 291.71 271.66 15.900 1.011 Vega
WISE_W1 198.86 18.22 15.455 0.099 Vega
WISE_W2 162.62 18.0 15.033 0.120 Vega
WISE_W3 111.6 52.55 13.607 0.511 Vega
WISE_W4 75.23 321.32 12.589 4.637 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.171 10.260 10.330
{\rm log}_{10}({\rm SFR}) 0.502 0.780 1.043
{\rm log}_{10}({\rm sSFR}) -9.797 -9.489 -9.196
{\rm stellar\ age} 3.819 5.146 6.135

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.547 -0.220 0.003
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.413 -0.985 -0.258

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.302 0.515 0.787
\delta -0.046 0.194 0.320
\tau_1/\tau_2 0.790 1.091 1.411
Q_{PAH} 0.970 2.704 4.983
U_{min} 2.619 7.451 14.442
{\rm log}_{10}(\gamma_e)\, -2.824 -1.579 -0.607

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.867 -2.260 -1.176
{\rm log}_{10}(\tau_{AGN})\, 0.974 1.425 1.866

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.045 0.338 0.561
0.03-0.10 Gyr 0.571 0.891 1.172
0.10-0.32 Gyr 0.597 0.866 1.127
0.32-1.02 Gyr 0.236 0.548 0.802
1.02-3.26 Gyr 0.105 0.379 0.576
3.26-10.43 Gyr 0.007 0.301 0.470
10.43-11.59 Gyr -0.195 0.312 0.706