2025hdb

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Information

Transient

Name: AT2025hdb
Right ascension: 14h18m29.08s
Declination: 56d01m13.92s
Discovery Date: April 6, 2025, 8:17 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.012

Host

Name: 2025hdb
Right ascension: 14h18m29.21s
Declination: 56d01m17.36s
Redshift: None
Photometric Redshift: 0.166
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 3.43
Cutout download processed 15.55
Global aperture construction processed 0.7
Local aperture photometry processed 5.9
Global aperture photometry processed 5.55
Validate local photometry no valid phot 0.02
Validate global photometry processed 14.35
Host information processed 0.09
Global host SED inference processed 423.13
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.12
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) = 14h18m29.08s, 56d01m13.92s
semi major axis, semi minor axis (arcsec) = 0.7, 0.7
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) = 14h18m29.18s, 56d01m17.49s
semi major axis, semi minor axis (arcsec) = 7.1, 4.0
angle (degrees, anti-clockwise from east) = -8.09

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 9.18 3.21 21.493 0.379 AB
GALEX_NUV 13.18 0.47 21.100 0.039 AB
SDSS_u 39.73 4.09 19.902 0.112 AB
SDSS_g 79.61 2.71 19.148 0.037 AB
PanSTARRS_g 91.7 1.4 18.994 0.017 AB
SDSS_r 144.38 4.07 18.501 0.031 AB
PanSTARRS_r 133.4 1.68 18.587 0.014 AB
SDSS_i 183.88 5.73 18.239 0.034 AB
PanSTARRS_i 178.32 1.54 18.272 0.009 AB
PanSTARRS_z 203.0 3.05 18.131 0.016 AB
SDSS_z 180.47 18.59 18.259 0.112 AB
PanSTARRS_y 186.43 9.73 18.224 0.057 AB
WISE_W1 111.58 7.27 16.082 0.071 Vega
WISE_W2 81.08 10.02 15.789 0.134 Vega
WISE_W3 80.69 40.55 13.959 0.546 Vega
WISE_W4 -129.31 235.86 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})\, 9.982 10.142 10.273
{\rm log}_{10}({\rm SFR}) -0.231 0.260 0.719
{\rm log}_{10}({\rm sSFR}) -10.425 -9.871 -9.367
{\rm stellar\ age} 2.227 4.731 6.113

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.703 -1.305 -0.795
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.485 0.165 0.399

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.228 0.363 0.534
\delta -0.590 -0.279 0.010
\tau_1/\tau_2 0.570 0.912 1.272
Q_{PAH} 0.936 2.340 4.221
U_{min} 2.642 7.856 14.877
{\rm log}_{10}(\gamma_e)\, -3.042 -2.127 -0.973

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.071 -2.670 -1.609
{\rm log}_{10}(\tau_{AGN})\, 0.979 1.424 1.841

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.576 -0.072 0.207
0.03-0.10 Gyr -0.323 0.347 0.856
0.10-0.32 Gyr 0.266 0.698 1.064
0.32-1.03 Gyr -0.047 0.496 0.838
1.03-3.28 Gyr -0.251 0.337 0.608
3.28-10.51 Gyr -0.773 0.097 0.405
10.51-11.68 Gyr -1.094 0.019 0.565