2025yhf

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Information

Transient

Name: AT2025yhf
Right ascension: 4h20m37.39s
Declination: -28d31m53.94s
Discovery Date: Sept. 22, 2025, 2:30 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.042

Host

Name: 740565
Right ascension: 4h20m36.64s
Declination: -28d31m50.52s
Redshift: 0.091520
Photometric Redshift:
 

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 3.83
Cutout download processed 6.29
Global aperture construction processed 0.62
Local aperture photometry processed 5.6
Global aperture photometry processed 5.23
Validate local photometry processed 0.02
Validate global photometry processed 13.34
Host information processed 0.1
Global host SED inference processed 425.15
Local host SED inference processed 499.21
Transient information processed 0.0
Transient MWEBV processed 0.08
Host MWEBV processed 0.03
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) = 4h20m37.39s, -28d31m53.94s
semi major axis, semi minor axis (arcsec) = 1.17, 1.17
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 1.14 0.06 23.761 0.060 AB
DES_r 2.69 0.09 22.824 0.035 AB
PanSTARRS_i 2.54 0.44 22.886 0.188 AB
PanSTARRS_z 3.72 0.85 22.474 0.247 AB
DES_z 4.64 0.31 22.233 0.073 AB
PanSTARRS_y 6.28 2.21 21.905 0.382 AB

Aperture details

RA, DEC (J2000) = 4h20m36.62s, -28d31m50.38s
semi major axis, semi minor axis (arcsec) = 9.71, 6.67
angle (degrees, anti-clockwise from east) = -92.92

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.64 1.39 24.383 2.351 AB
GALEX_NUV 2.37 1.59 22.965 0.731 AB
DES_g 507.51 0.76 17.136 0.002 AB
PanSTARRS_g 516.24 1.96 17.118 0.004 AB
PanSTARRS_r 1177.31 2.85 16.223 0.003 AB
DES_r 1307.33 1.28 16.109 0.001 AB
PanSTARRS_i 1779.96 3.07 15.774 0.002 AB
PanSTARRS_z 2338.97 5.85 15.477 0.003 AB
DES_z 2651.49 5.35 15.341 0.002 AB
PanSTARRS_y 3102.82 15.14 15.171 0.005 AB
2MASS_J 4145.72 221.26 13.961 0.058 Vega
2MASS_H 5397.15 352.52 13.202 0.071 Vega
2MASS_K 5790.83 439.59 12.655 0.082 Vega
WISE_W1 2252.51 25.86 12.819 0.012 Vega
WISE_W2 1396.34 30.92 12.699 0.024 Vega
WISE_W3 1001.91 86.38 11.224 0.094 Vega
WISE_W4 815.75 491.76 10.001 0.654 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})\, 7.731 8.153 8.388
{\rm log}_{10}({\rm SFR}) -1.510 -0.986 -0.506
{\rm log}_{10}({\rm sSFR}) -9.771 -9.101 -8.222
{\rm stellar\ age} 0.504 4.412 6.568

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.312 -0.587 -0.057
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.643 -0.810 0.156

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.141 1.646 2.182
\delta -0.024 0.142 0.281
\tau_1/\tau_2 0.704 1.092 1.478
Q_{PAH} 1.283 3.360 5.460
U_{min} 2.875 8.302 16.055
{\rm log}_{10}(\gamma_e)\, -2.655 -1.476 -0.515

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.915 -0.339 0.240
{\rm log}_{10}(\tau_{AGN})\, 1.015 1.548 1.944

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.509 -0.934 -0.426
0.03-0.10 Gyr -1.948 -1.187 -0.556
0.10-0.33 Gyr -2.263 -1.384 -0.797
0.33-1.06 Gyr -3.430 -1.653 -1.197
1.06-3.47 Gyr -3.967 -1.864 -1.452
3.47-11.30 Gyr -4.609 -2.026 -1.543
11.30-12.56 Gyr -4.706 -2.090 -1.355

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.080 11.122 11.220
{\rm log}_{10}({\rm SFR}) -2.294 -1.139 0.081
{\rm log}_{10}({\rm sSFR}) -13.482 -12.276 -11.020
{\rm stellar\ age} 7.430 8.411 11.662

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.293 -0.180 -0.089
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.498 -0.611 0.170

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.184 0.272 0.370
\delta -0.899 -0.686 -0.382
\tau_1/\tau_2 0.595 0.945 1.323
Q_{PAH} 0.519 1.833 4.027
U_{min} 2.625 7.365 14.503
{\rm log}_{10}(\gamma_e)\, -3.056 -2.108 -1.401

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.534 -3.735 -2.738
{\rm log}_{10}(\tau_{AGN})\, 1.046 1.530 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.790 -1.280 -0.216
0.03-0.10 Gyr -2.597 -1.155 0.162
0.10-0.33 Gyr -2.873 -1.111 0.231
0.33-1.06 Gyr -2.774 -0.926 0.142
1.06-3.47 Gyr -1.825 -0.184 0.690
3.47-11.30 Gyr 0.129 1.271 1.402
11.30-12.56 Gyr 0.967 1.672 2.344