2025hsu

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Information

Transient

Name: AT2025hsu
Right ascension: 8h39m50.75s
Declination: 1d22m08.34s
Discovery Date: April 15, 2025, 5:44 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.060

Host

Name: 2025hsu
Right ascension: 8h39m50.63s
Declination: 1d22m10.43s
Redshift: None
Photometric Redshift: 0.200
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.75
Cutout download processed 20.72
Global aperture construction processed 0.69
Local aperture photometry processed 6.84
Global aperture photometry processed 7.0
Validate local photometry no valid phot 0.03
Validate global photometry processed 19.71
Host information processed 0.1
Global host SED inference processed 410.74
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.06
Log transient processing status blocked 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) = 8h39m50.75s, 1d22m08.34s
semi major axis, semi minor axis (arcsec) = 0.61, 0.61
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) = 8h39m50.60s, 1d22m10.83s
semi major axis, semi minor axis (arcsec) = 3.28, 2.56
angle (degrees, anti-clockwise from east) = -36.27

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.87 0.37 23.220 0.216 AB
GALEX_NUV 2.81 0.32 22.779 0.125 AB
SDSS_u 5.23 2.25 22.104 0.467 AB
SDSS_g 24.81 1.53 20.414 0.067 AB
DES_g 24.93 0.26 20.408 0.011 AB
PanSTARRS_g 26.13 0.77 20.357 0.032 AB
SDSS_r 43.56 2.34 19.802 0.058 AB
PanSTARRS_r 42.88 0.77 19.819 0.020 AB
DES_r 46.46 0.57 19.732 0.013 AB
SDSS_i 62.51 3.61 19.410 0.063 AB
PanSTARRS_i 62.36 1.07 19.413 0.019 AB
PanSTARRS_z 71.44 2.04 19.265 0.031 AB
SDSS_z 82.72 12.26 19.106 0.161 AB
DES_z 74.27 1.62 19.223 0.024 AB
PanSTARRS_y 80.15 4.93 19.140 0.067 AB
2MASS_J -34.18 123.18 Vega
2MASS_H 369.02 176.78 16.115 0.520 Vega
2MASS_K 148.15 203.96 16.635 1.495 Vega
WISE_W1 31.83 7.01 17.444 0.239 Vega
WISE_W2 27.54 11.79 16.961 0.465 Vega
WISE_W3 66.09 61.92 14.176 1.017 Vega
WISE_W4 -620.48 404.2 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})\, 9.803 9.927 10.050
{\rm log}_{10}({\rm SFR}) -0.192 0.354 0.784
{\rm log}_{10}({\rm sSFR}) -10.167 -9.565 -9.108
{\rm stellar\ age} 3.150 4.772 6.024

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.454 -0.863 -0.292
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.810 0.200 0.387

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.271 0.458 0.690
\delta -0.624 -0.316 -0.085
\tau_1/\tau_2 0.725 1.082 1.443
Q_{PAH} 0.906 2.534 4.699
U_{min} 2.790 8.169 15.397
{\rm log}_{10}(\gamma_e)\, -2.713 -1.597 -0.564

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.373 -1.580 -0.858
{\rm log}_{10}(\tau_{AGN})\, 1.060 1.432 1.766

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.727 -0.153 0.156
0.03-0.10 Gyr -0.172 0.468 0.924
0.10-0.32 Gyr 0.206 0.580 0.885
0.32-1.01 Gyr -0.129 0.292 0.601
1.01-3.20 Gyr -0.392 0.046 0.288
3.20-10.18 Gyr -0.505 -0.067 0.158
10.18-11.31 Gyr -0.765 -0.068 0.447