2025xdy

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Information

Transient

Name: AT2025xdy
Right ascension: 21h03m24.17s
Declination: -8d26m25.35s
Discovery Date: July 31, 2025, 10:10 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.067

Host

Name:
Right ascension: 21h03m24.04s
Declination: -8d26m26.84s
Redshift: None
Photometric Redshift: 0.183
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 27.87
Transient MWEBV processed 0.08
Host match processed 8.67
Host information processed 0.15
Host MWEBV processed 0.05
Global aperture construction processed 0.66
Global aperture photometry processed 4.91
Validate global photometry processed 12.49
Global host SED inference processed 534.31
Local aperture photometry processed 5.48
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) = 21h03m24.17s, -8d26m25.35s
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

Data not available


Aperture details

RA, DEC (J2000) = 21h03m24.04s, -8d26m26.73s
semi major axis, semi minor axis (arcsec) = 4.27, 3.96
angle (degrees, anti-clockwise from east) = -33.98

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 43.0 0.36 19.816 0.009 AB
PanSTARRS_g 41.52 0.85 19.854 0.022 AB
PanSTARRS_r 110.94 1.14 18.787 0.011 AB
DES_r 120.88 0.96 18.694 0.009 AB
PanSTARRS_i 158.44 0.97 18.400 0.007 AB
PanSTARRS_z 214.08 2.71 18.074 0.014 AB
DES_z 219.81 2.66 18.045 0.013 AB
PanSTARRS_y 276.12 7.11 17.797 0.028 AB
2MASS_J 372.34 112.34 16.578 0.328 Vega
2MASS_H 277.31 183.98 16.425 0.720 Vega
2MASS_K 326.43 203.78 15.778 0.678 Vega
WISE_W1 133.1 14.24 15.891 0.116 Vega
WISE_W2 84.16 18.28 15.748 0.236 Vega
WISE_W3 -37.6 96.56 Vega
WISE_W4 -33.16 419.42 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})\, 10.487 10.578 10.674
{\rm log}_{10}({\rm SFR}) -0.774 0.016 0.546
{\rm log}_{10}({\rm sSFR}) -11.350 -10.546 -9.982
{\rm stellar\ age} 5.848 6.818 9.268

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.106 -0.811 -0.603
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.051 -0.514 -0.186

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.262 0.401 0.593
\delta -0.947 -0.829 -0.655
\tau_1/\tau_2 0.733 1.134 1.560
Q_{PAH} 1.113 2.997 4.964
U_{min} 2.889 8.267 15.563
{\rm log}_{10}(\gamma_e)\, -2.372 -1.256 -0.355

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.282 -3.052 -1.882
{\rm log}_{10}(\tau_{AGN})\, 1.077 1.558 1.926

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.828 -0.101 0.239
0.03-0.10 Gyr -0.993 0.052 0.647
0.10-0.32 Gyr -1.050 0.051 0.567
0.32-1.02 Gyr -1.090 0.007 0.492
1.02-3.24 Gyr -0.658 0.332 0.691
3.24-10.34 Gyr 0.225 0.740 0.889
10.34-11.49 Gyr 0.239 0.883 1.664