2025xyn

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Information

Transient

Name: AT2025xyn
Right ascension: 5h39m28.39s
Declination: -31d51m39.57s
Discovery Date: Sept. 18, 2025, 8:13 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.023

Host

Name: 700163
Right ascension: 5h39m29.16s
Declination: -31d51m37.82s
Redshift: None
Photometric Redshift: 0.071
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.86
Transient MWEBV processed 0.05
Host match processed 4.09
Host information processed 0.12
Host MWEBV processed 0.06
Global aperture construction processed 0.64
Global aperture photometry processed 2.91
Validate global photometry processed 8.5
Global host SED inference processed 481.2
Local aperture photometry processed 2.65
Validate local photometry processed 0.01
Local host SED inference processed 451.62
 

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) = 5h39m28.39s, -31d51m39.57s
semi major axis, semi minor axis (arcsec) = 1.47, 1.47
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 6.88 0.13 21.805 0.021 AB
DES_r 11.11 0.18 21.286 0.018 AB
PanSTARRS_i 12.04 0.8 21.198 0.073 AB
DES_z 15.41 0.57 20.930 0.041 AB

Aperture details

RA, DEC (J2000) = 5h39m29.15s, -31d51m37.92s
semi major axis, semi minor axis (arcsec) = 18.4, 11.04
angle (degrees, anti-clockwise from east) = -38.52

Warning: possible contaminating objects in the global aperture
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 846.24 1.4 16.581 0.002 AB
DES_r 1549.58 2.02 15.924 0.001 AB
PanSTARRS_i 1848.55 7.84 15.733 0.005 AB
DES_z 2361.36 6.73 15.467 0.003 AB
2MASS_J 2813.17 359.12 14.382 0.139 Vega
2MASS_H 2100.99 532.44 14.226 0.275 Vega
2MASS_K 2880.43 672.89 13.414 0.254 Vega
WISE_W1 1614.09 43.86 13.181 0.030 Vega
WISE_W2 1009.6 41.11 13.051 0.044 Vega
WISE_W3 2900.73 138.93 10.070 0.052 Vega
WISE_W4 2912.85 640.87 8.619 0.239 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

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Warning: possible contaminating objects in the global aperture

Click the image to load the interactive plot.


 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.107 8.324 8.465
{\rm log}_{10}({\rm SFR}) -2.276 -1.552 -0.563
{\rm log}_{10}({\rm sSFR}) -10.637 -9.907 -8.741
{\rm stellar\ age} 0.880 5.194 7.050

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.590 -0.929 -0.229
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.547 -0.655 0.177

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.198 0.599 1.236
\delta -0.348 -0.011 0.271
\tau_1/\tau_2 0.649 1.037 1.431
Q_{PAH} 1.081 2.878 5.385
U_{min} 3.138 8.649 16.242
{\rm log}_{10}(\gamma_e)\, -2.845 -1.832 -0.796

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.168 -0.084 0.327
{\rm log}_{10}(\tau_{AGN})\, 1.218 1.578 1.898

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.112 -1.935 -1.323
0.03-0.10 Gyr -2.419 -1.534 -0.421
0.10-0.33 Gyr -2.356 -1.467 -0.778
0.33-1.07 Gyr -2.822 -1.497 -1.003
1.07-3.52 Gyr -3.889 -1.633 -1.319
3.52-11.53 Gyr -4.318 -1.786 -1.445
11.53-12.81 Gyr -4.032 -1.845 -1.187

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.491 10.604 10.709
{\rm log}_{10}({\rm SFR}) -0.966 -0.093 0.568
{\rm log}_{10}({\rm sSFR}) -11.567 -10.674 -10.061
{\rm stellar\ age} 4.597 6.686 8.035

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.988 -0.607 -0.390
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.578 -0.295 0.323

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.115 0.236 0.437
\delta -0.684 -0.118 0.245
\tau_1/\tau_2 0.640 1.015 1.408
Q_{PAH} 1.092 2.791 5.163
U_{min} 2.814 8.202 15.770
{\rm log}_{10}(\gamma_e)\, -2.717 -1.762 -0.791

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.076 -1.922 -1.447
{\rm log}_{10}(\tau_{AGN})\, 1.050 1.480 1.848

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.878 -0.388 0.059
0.03-0.10 Gyr -1.264 -0.077 0.701
0.10-0.33 Gyr -0.944 0.250 0.790
0.33-1.07 Gyr -1.030 0.283 0.684
1.07-3.52 Gyr 0.200 0.731 1.078
3.52-11.53 Gyr -0.067 0.670 0.874
11.53-12.81 Gyr -0.525 0.615 1.277