2025usd

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Information

Transient

Name: AT2025usd
Right ascension: 15h50m33.79s
Declination: 15d40m01.97s
Discovery Date: Aug. 18, 2025, 6:35 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.030

Host

Name:
Right ascension: 15h50m33.80s
Declination: 15d40m00.23s
Redshift: 0.163485
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 38.89
Transient MWEBV processed 0.08
Host match processed 5.9
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 6.28
Validate global photometry processed 17.03
Global host SED inference processed 478.13
Local aperture photometry processed 7.03
Validate local photometry no valid phot 0.02
Local host SED inference not processed 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) = 15h50m33.79s, 15d40m01.97s
semi major axis, semi minor axis (arcsec) = 0.71, 0.71
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 15h50m33.79s, 15d40m00.49s
semi major axis, semi minor axis (arcsec) = 6.89, 5.34
angle (degrees, anti-clockwise from east) = -173.19

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 76.34 4.91 19.193 0.070 AB
PanSTARRS_r 493.99 1.75 17.166 0.004 AB
SDSS_i 774.26 8.15 16.678 0.011 AB
PanSTARRS_i 757.13 1.64 16.702 0.002 AB
WISE_W1 725.56 16.31 14.049 0.024 Vega
WISE_W4 26.37 380.71 13.727 15.672 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

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})\, 10.484 10.678 10.870
{\rm log}_{10}({\rm SFR}) 0.774 1.169 1.508
{\rm log}_{10}({\rm sSFR}) -9.947 -9.513 -9.064
{\rm stellar\ age} 0.851 3.388 5.802

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.174 -0.522 -0.148
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.125 0.120 0.339

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.429 0.602 0.819
\delta -0.737 -0.479 -0.188
\tau_1/\tau_2 0.389 0.775 1.142
Q_{PAH} 0.356 1.118 2.510
U_{min} 2.656 7.816 15.234
{\rm log}_{10}(\gamma_e)\, -3.254 -2.338 -1.473

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.505 -3.517 -2.210
{\rm log}_{10}(\tau_{AGN})\, 1.051 1.563 1.951

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.947 1.182 1.404
0.03-0.10 Gyr 0.222 1.130 1.582
0.10-0.32 Gyr 0.685 1.384 1.837
0.32-1.03 Gyr 0.373 1.263 1.632
1.03-3.29 Gyr -0.860 0.728 1.192
3.29-10.54 Gyr -1.512 0.355 0.936
10.54-11.71 Gyr -1.787 0.275 1.112