2025xtn

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Information

Transient

Name: AT2025xtn
Right ascension: 22h36m12.49s
Declination: 22d50m11.56s
Discovery Date: Sept. 16, 2025, 8:41 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.039

Host

Name:
Right ascension: 22h36m12.50s
Declination: 22d50m10.25s
Redshift: None
Photometric Redshift: 0.125
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.7
Transient MWEBV processed 0.04
Host match processed 5.84
Host information processed 0.13
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 6.42
Validate global photometry processed 17.81
Global host SED inference processed 456.71
Local aperture photometry processed 6.81
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) = 22h36m12.49s, 22d50m11.56s
semi major axis, semi minor axis (arcsec) = 0.89, 0.89
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) = 22h36m12.50s, 22d50m10.40s
semi major axis, semi minor axis (arcsec) = 6.69, 4.14
angle (degrees, anti-clockwise from east) = -20.61

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.58 1.46 22.515 0.441 AB
GALEX_NUV 2.73 1.39 22.811 0.553 AB
SDSS_u 27.13 4.47 20.316 0.179 AB
SDSS_g 154.93 3.56 18.425 0.025 AB
DES_g 173.91 0.79 18.299 0.005 AB
PanSTARRS_g 181.26 1.19 18.254 0.007 AB
SDSS_r 404.27 5.63 17.383 0.015 AB
PanSTARRS_r 425.26 1.39 17.328 0.004 AB
DES_r 455.12 1.82 17.255 0.004 AB
SDSS_i 615.34 7.34 16.927 0.013 AB
PanSTARRS_i 625.02 1.46 16.910 0.003 AB
PanSTARRS_z 818.13 4.0 16.618 0.005 AB
SDSS_z 887.99 17.92 16.529 0.022 AB
DES_z 890.76 6.13 16.526 0.007 AB
PanSTARRS_y 994.52 9.92 16.406 0.011 AB
2MASS_J 1431.61 141.32 15.116 0.107 Vega
2MASS_H 1501.82 182.78 14.591 0.132 Vega
2MASS_K 1023.62 277.59 14.537 0.294 Vega
WISE_W2 341.1 20.18 14.229 0.064 Vega
WISE_W3 139.5 77.66 13.365 0.604 Vega
WISE_W4 -131.57 431.83 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})\, 10.795 10.890 11.019
{\rm log}_{10}({\rm SFR}) -2.677 -0.425 0.401
{\rm log}_{10}({\rm sSFR}) -13.702 -11.306 -10.513
{\rm stellar\ age} 6.815 7.793 11.414

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.035 -0.695 -0.486
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.365 -0.723 -0.181

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.308 0.472 0.632
\delta -0.884 -0.620 -0.207
\tau_1/\tau_2 0.575 0.977 1.407
Q_{PAH} 1.563 3.420 5.389
U_{min} 3.023 8.896 17.013
{\rm log}_{10}(\gamma_e)\, -2.894 -1.732 -0.600

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.562 -3.773 -2.695
{\rm log}_{10}(\tau_{AGN})\, 1.100 1.658 1.999

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.371 -0.636 0.151
0.03-0.10 Gyr -3.586 -0.482 0.494
0.10-0.32 Gyr -3.512 -0.736 0.439
0.32-1.05 Gyr -3.747 -0.795 0.411
1.05-3.38 Gyr -2.666 -0.087 0.821
3.38-10.94 Gyr -0.624 0.971 1.194
10.94-12.15 Gyr 0.366 1.347 2.170