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: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 11.94
Transient MWEBV processed 0.03
Host match processed 6.25
Host information processed 0.13
Host MWEBV processed 0.04
Global aperture construction processed 2.63
Global aperture photometry processed 3.53
Validate global photometry processed 10.57
Global host SED inference processed 480.16
Local aperture photometry processed 4.21
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

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

Click the image to load the interactive plot.


 

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