2025xau

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Information

Transient

Name: AT2025xau
Right ascension: 15h45m34.79s
Declination: 17d45m33.61s
Discovery Date: Sept. 6, 2025, 5:39 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.026

Host

Name:
Right ascension: 15h45m34.66s
Declination: 17d45m34.79s
Redshift: None
Photometric Redshift: 0.116
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
not enough filters
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 6.5
Cutout download processed 14.69
Global aperture construction processed 0.71
Local aperture photometry processed 6.41
Global aperture photometry processed 5.47
Validate local photometry processed 0.03
Validate global photometry processed 14.6
Host information processed 0.15
Global host SED inference processed 388.44
Local host SED inference not enough filters 21.16
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.06
Processing status blocked N/A N/A
 

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) = 15h45m34.79s, 17d45m33.61s
semi major axis, semi minor axis (arcsec) = 0.95, 0.95
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 73.14 3.38 19.240 0.050 AB

Aperture details

RA, DEC (J2000) = 15h45m34.67s, 17d45m35.21s
semi major axis, semi minor axis (arcsec) = 8.41, 6.91
angle (degrees, anti-clockwise from east) = -87.89

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 25.65 1.1 20.377 0.046 AB
GALEX_NUV 44.55 0.64 19.778 0.015 AB
SDSS_u 110.53 7.0 18.791 0.069 AB
DES_g 450.81 1.47 17.265 0.004 AB
PanSTARRS_g 458.94 2.56 17.246 0.006 AB
PanSTARRS_r 782.98 2.18 16.666 0.003 AB
DES_r 853.76 2.96 16.572 0.004 AB
PanSTARRS_i 1077.96 2.33 16.318 0.002 AB
PanSTARRS_z 1291.04 4.55 16.123 0.004 AB
DES_z 1400.51 15.26 16.034 0.012 AB
PanSTARRS_y 1510.76 9.42 15.952 0.007 AB
2MASS_J 1845.49 148.2 14.840 0.087 Vega
2MASS_H 1899.83 246.02 14.336 0.141 Vega
2MASS_K 2109.16 290.27 13.752 0.149 Vega
WISE_W1 970.2 21.12 13.734 0.024 Vega
WISE_W2 671.95 23.93 13.493 0.039 Vega
WISE_W3 2095.37 78.22 10.423 0.041 Vega
WISE_W4 3002.25 524.38 8.586 0.190 Vega
 

Imaging data

 

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})\, 10.791 10.829 10.874
{\rm log}_{10}({\rm SFR}) 0.282 0.593 0.852
{\rm log}_{10}({\rm sSFR}) -10.578 -10.232 -9.957
{\rm stellar\ age} 6.156 6.814 7.833

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.584 -0.405 -0.282
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.510 -0.211 0.322

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.126 0.191 0.301
\delta -0.774 -0.498 -0.218
\tau_1/\tau_2 0.749 1.076 1.436
Q_{PAH} 0.849 2.370 4.177
U_{min} 2.315 7.062 14.223
{\rm log}_{10}(\gamma_e)\, -2.445 -1.249 -0.508

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.600 -2.265 -1.406
{\rm log}_{10}(\tau_{AGN})\, 1.257 1.721 1.987

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.762 -0.025 0.282
0.03-0.10 Gyr 0.346 0.718 1.001
0.10-0.32 Gyr 0.626 0.870 1.099
0.32-1.05 Gyr 0.478 0.747 0.926
1.05-3.40 Gyr 0.474 0.768 0.973
3.40-11.03 Gyr 0.837 0.984 1.077
11.03-12.26 Gyr 0.644 1.071 1.522