2025gxh

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Information

Transient

Name: AT2025gxh
Right ascension: 20h40m05.28s
Declination: -18d50m55.10s
Discovery Date: March 30, 2025, 3:17 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.036

Host

Name: 2025gxh
Right ascension: 20h40m05.25s
Declination: -18d50m56.69s
Redshift: None
Photometric Redshift: 0.153
 

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 3.07
Cutout download processed 4.63
Global aperture construction processed 0.67
Local aperture photometry processed 4.13
Global aperture photometry processed 4.3
Validate local photometry no valid phot 0.02
Validate global photometry processed 12.06
Host information processed 0.11
Global host SED inference processed 401.16
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.1
Host MWEBV processed 0.09
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) = 20h40m05.28s, -18d50m55.10s
semi major axis, semi minor axis (arcsec) = 0.75, 0.75
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) = 20h40m05.24s, -18d50m56.65s
semi major axis, semi minor axis (arcsec) = 4.64, 3.31
angle (degrees, anti-clockwise from east) = -15.84

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.18 1.71 21.759 0.259 AB
GALEX_NUV 12.23 1.71 21.182 0.152 AB
PanSTARRS_g 66.25 0.99 19.347 0.016 AB
PanSTARRS_r 94.07 1.13 18.966 0.013 AB
PanSTARRS_i 125.33 1.0 18.655 0.009 AB
PanSTARRS_z 136.64 2.91 18.561 0.023 AB
PanSTARRS_y 147.26 6.5 18.480 0.048 AB
2MASS_J 214.03 111.73 17.179 0.567 Vega
2MASS_H -41.71 176.09 Vega
2MASS_K -224.78 200.35 Vega
WISE_W1 66.28 14.46 16.648 0.237 Vega
WISE_W2 26.34 17.37 17.009 0.716 Vega
WISE_W3 92.12 71.39 13.815 0.841 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})\, 9.727 9.871 10.038
{\rm log}_{10}({\rm SFR}) -0.182 0.311 0.723
{\rm log}_{10}({\rm sSFR}) -10.113 -9.571 -9.120
{\rm stellar\ age} 2.503 4.742 6.285

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.498 -0.909 -0.396
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.092 0.174 0.379

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.201 0.363 0.566
\delta -0.526 -0.189 0.059
\tau_1/\tau_2 0.664 1.080 1.465
Q_{PAH} 0.645 2.014 4.056
U_{min} 2.734 8.019 15.654
{\rm log}_{10}(\gamma_e)\, -2.905 -2.006 -0.844

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.608 -1.981 -1.206
{\rm log}_{10}(\tau_{AGN})\, 1.036 1.449 1.835

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.693 -0.209 0.049
0.03-0.10 Gyr -0.176 0.422 0.869
0.10-0.32 Gyr 0.287 0.632 0.960
0.32-1.03 Gyr -0.224 0.260 0.619
1.03-3.31 Gyr -0.745 -0.074 0.217
3.31-10.65 Gyr -0.900 -0.185 0.147
10.65-11.83 Gyr -1.052 -0.160 0.422