2025whf

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Information

Transient

Name: AT2025whf
Right ascension: 20h58m51.04s
Declination: -9d42m17.51s
Discovery Date: Aug. 26, 2025, 7:09 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.096

Host

Name:
Right ascension: 20h58m51.08s
Declination: -9d42m18.81s
Redshift: None
Photometric Redshift: 0.152
 

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 6.25
Cutout download processed 11.94
Global aperture construction processed 2.63
Local aperture photometry processed 4.21
Global aperture photometry processed 3.53
Validate local photometry no valid phot 0.02
Validate global photometry processed 10.57
Host information processed 0.13
Global host SED inference processed 480.16
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.03
Host MWEBV processed 0.04
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) = 20h58m51.04s, -9d42m17.51s
semi major axis, semi minor axis (arcsec) = 0.76, 0.76
angle (degrees, anti-clockwise from east) = 0.0

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

Data not available


Aperture details

RA, DEC (J2000) = 20h58m51.07s, -9d42m18.39s
semi major axis, semi minor axis (arcsec) = 6.44, 4.07
angle (degrees, anti-clockwise from east) = -174.94

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.51 2.05 21.711 0.297 AB
GALEX_NUV 6.88 1.76 21.806 0.278 AB
PanSTARRS_g 29.99 1.19 20.207 0.043 AB
PanSTARRS_r 48.37 1.33 19.689 0.030 AB
PanSTARRS_i 64.98 1.02 19.368 0.017 AB
PanSTARRS_z 78.56 3.15 19.162 0.043 AB
PanSTARRS_y 130.16 8.63 18.614 0.072 AB
2MASS_J 237.96 148.27 17.064 0.676 Vega
2MASS_H 3.62 242.06 21.135 72.551 Vega
2MASS_K -119.07 278.01 Vega
WISE_W1 45.07 11.69 17.066 0.282 Vega
WISE_W2 28.81 16.87 16.912 0.636 Vega
WISE_W3 155.76 110.85 13.245 0.773 Vega
WISE_W4 579.57 610.58 10.372 1.144 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.802 9.913 10.013
{\rm log}_{10}({\rm SFR}) 0.306 0.541 0.864
{\rm log}_{10}({\rm sSFR}) -9.638 -9.362 -8.993
{\rm stellar\ age} 5.681 6.758 8.755

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.616 -0.171 0.045
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.165 0.032 0.193

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.099 0.249 0.548
\delta -0.213 0.142 0.302
\tau_1/\tau_2 0.749 1.265 1.704
Q_{PAH} 0.839 2.772 5.084
U_{min} 3.076 8.912 16.450
{\rm log}_{10}(\gamma_e)\, -2.164 -0.987 -0.322

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.620 -1.864 -0.810
{\rm log}_{10}(\tau_{AGN})\, 1.208 1.581 1.900

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.811 -0.335 -0.003
0.03-0.10 Gyr 0.435 0.685 1.012
0.10-0.32 Gyr -1.505 -0.180 0.265
0.32-1.03 Gyr -1.634 -0.556 -0.147
1.03-3.32 Gyr -1.221 -0.335 -0.016
3.32-10.66 Gyr -0.417 0.026 0.185
10.66-11.84 Gyr -0.406 0.223 0.888