2025udy

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Information

Transient

Name: AT2025udy
Right ascension: 0h44m32.19s
Declination: -18d39m27.54s
Discovery Date: Aug. 16, 2025, 8:34 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.019

Host

Name:
Right ascension: 0h44m32.97s
Declination: -18d39m25.46s
Redshift: None
Photometric Redshift: 0.114
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 11.57
Transient MWEBV processed 0.04
Host match processed 7.04
Host information processed 0.16
Host MWEBV processed 0.04
Global aperture construction processed 2.7
Global aperture photometry processed 4.89
Validate global photometry processed 12.72
Global host SED inference processed 449.56
Local aperture photometry processed 5.77
Validate local photometry processed 0.02
Local host SED inference failed 0.0
 

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) = 0h44m32.19s, -18d39m27.54s
semi major axis, semi minor axis (arcsec) = 0.97, 0.97
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 0.03 0.19 27.809 7.572 AB

Aperture details

RA, DEC (J2000) = 0h44m32.91s, -18d39m25.05s
semi major axis, semi minor axis (arcsec) = 2.95, 2.31
angle (degrees, anti-clockwise from east) = -123.13

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 8.72 0.16 21.548 0.020 AB
PanSTARRS_g 7.49 0.76 21.714 0.109 AB
PanSTARRS_r 13.39 0.79 21.083 0.064 AB
DES_r 11.83 0.27 21.218 0.025 AB
PanSTARRS_i 11.38 0.83 21.259 0.080 AB
PanSTARRS_z 14.9 1.73 20.967 0.126 AB
DES_z 14.55 0.62 20.993 0.046 AB
PanSTARRS_y 20.04 4.5 20.645 0.244 AB
2MASS_J -74.48 76.58 Vega
2MASS_H 148.81 140.08 17.101 1.022 Vega
2MASS_K 97.55 147.66 17.089 1.643 Vega
WISE_W1 17.99 7.34 18.063 0.443 Vega
WISE_W2 19.44 11.79 17.339 0.659 Vega
WISE_W3 57.32 63.0 14.330 1.193 Vega
WISE_W4 131.21 410.4 11.985 3.396 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

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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})\, 8.361 8.572 8.738
{\rm log}_{10}({\rm SFR}) -1.959 -0.864 0.047
{\rm log}_{10}({\rm sSFR}) -10.537 -9.479 -8.313
{\rm stellar\ age} 0.215 2.144 5.435

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.631 -0.797 -0.103
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.227 -0.660 -0.126

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.161 0.562 1.156
\delta -0.469 -0.036 0.230
\tau_1/\tau_2 0.519 0.942 1.371
Q_{PAH} 1.208 3.123 5.230
U_{min} 3.528 9.901 18.108
{\rm log}_{10}(\gamma_e)\, -2.908 -1.887 -0.798

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.570 -0.410 0.088
{\rm log}_{10}(\tau_{AGN})\, 1.079 1.438 1.751

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.054 -1.598 -0.977
0.03-0.10 Gyr -2.314 -0.774 0.201
0.10-0.32 Gyr -1.558 -0.501 0.131
0.32-1.05 Gyr -3.493 -1.241 -0.637
1.05-3.41 Gyr -5.204 -1.887 -1.111
3.41-11.06 Gyr -5.868 -2.283 -1.346
11.06-12.28 Gyr -6.320 -2.329 -1.186