2025hku (warnings)

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Information

Transient

Name: AT2025hku
Right ascension: 16h00m41.91s
Declination: 17d21m00.02s
Discovery Date: April 15, 2025, 8:21 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.039

Host

Name: 2025hku
Right ascension: 16h00m41.88s
Declination: 17d20m59.84s
Redshift: None
Photometric Redshift: 0.183
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.18
Cutout download processed 20.14
Global aperture construction processed 0.67
Local aperture photometry processed 6.64
Global aperture photometry processed 6.35
Validate local photometry no valid phot 0.03
Validate global photometry processed 17.88
Host information processed 0.1
Global host SED inference processed 410.7
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.1
Host MWEBV processed 0.12
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) = 16h00m41.91s, 17d21m00.02s
semi major axis, semi minor axis (arcsec) = 0.65, 0.65
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) = 16h00m41.88s, 17d20m59.97s
semi major axis, semi minor axis (arcsec) = 3.83, 2.64
angle (degrees, anti-clockwise from east) = -165.74

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.61 1.23 22.857 0.511 AB
GALEX_NUV 1.9 0.64 23.204 0.369 AB
SDSS_u 9.98 3.45 21.402 0.376 AB
SDSS_g 38.36 1.84 19.940 0.052 AB
DES_g 42.32 0.27 19.834 0.007 AB
PanSTARRS_g 40.04 1.02 19.894 0.028 AB
PanSTARRS_r 81.15 0.83 19.127 0.011 AB
DES_r 90.0 0.76 19.014 0.009 AB
PanSTARRS_i 111.75 0.77 18.779 0.007 AB
PanSTARRS_z 133.17 2.16 18.589 0.018 AB
SDSS_z 184.67 10.45 18.234 0.061 AB
DES_z 151.01 2.17 18.452 0.016 AB
PanSTARRS_y 147.45 5.12 18.478 0.038 AB
2MASS_J 209.24 93.83 17.204 0.487 Vega
2MASS_H 497.77 131.55 15.790 0.287 Vega
2MASS_K 324.39 190.72 15.785 0.638 Vega
WISE_W1 75.49 8.38 16.506 0.121 Vega
WISE_W2 49.61 9.98 16.322 0.218 Vega
WISE_W3 26.51 45.1 15.167 1.847 Vega
WISE_W4 387.28 361.65 10.810 1.014 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})\, 10.019 10.180 10.318
{\rm log}_{10}({\rm SFR}) -2.200 -0.524 0.435
{\rm log}_{10}({\rm sSFR}) -12.306 -10.635 -9.688
{\rm stellar\ age} 2.147 5.141 6.748

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.524 -1.045 -0.585
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.600 -0.716 0.142

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.251 0.431 0.642
\delta -0.808 -0.562 -0.221
\tau_1/\tau_2 0.572 0.981 1.404
Q_{PAH} 0.830 2.430 4.556
U_{min} 3.154 8.961 16.644
{\rm log}_{10}(\gamma_e)\, -2.474 -1.237 -0.384

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.970 -2.453 -1.331
{\rm log}_{10}(\tau_{AGN})\, 1.078 1.580 1.943

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.370 -1.101 -0.396
0.03-0.10 Gyr -2.502 -0.448 0.578
0.10-0.32 Gyr -1.225 0.189 0.870
0.32-1.02 Gyr -0.690 0.322 0.852
1.02-3.24 Gyr -0.566 0.349 0.701
3.24-10.34 Gyr -1.473 0.184 0.517
10.34-11.49 Gyr -1.678 0.108 0.775