2025xyu

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Information

Transient

Name: AT2025xyu
Right ascension: 22h41m43.96s
Declination: -1d37m05.50s
Discovery Date: Sept. 18, 2025, 10:12 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.046

Host

Name:
Right ascension: 22h41m44.00s
Declination: -1d37m05.88s
Redshift: None
Photometric Redshift: 0.181
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.22
Transient MWEBV processed 0.04
Host match processed 5.67
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 6.23
Validate global photometry processed 16.61
Global host SED inference processed 446.31
Local aperture photometry processed 5.97
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) = 22h41m43.96s, -1d37m05.50s
semi major axis, semi minor axis (arcsec) = 0.66, 0.66
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) = 22h41m43.98s, -1d37m05.71s
semi major axis, semi minor axis (arcsec) = 4.35, 2.84
angle (degrees, anti-clockwise from east) = -48.88

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.72 1.73 22.474 0.504 AB
GALEX_NUV 3.48 1.52 22.545 0.474 AB
SDSS_u 17.34 3.2 20.803 0.201 AB
SDSS_g 29.35 1.77 20.231 0.065 AB
DES_g 30.49 0.25 20.189 0.009 AB
PanSTARRS_g 31.56 0.75 20.152 0.026 AB
SDSS_r 58.92 2.64 19.474 0.049 AB
PanSTARRS_r 56.05 0.66 19.528 0.013 AB
DES_r 64.25 0.38 19.380 0.006 AB
PanSTARRS_i 80.05 0.91 19.142 0.012 AB
PanSTARRS_z 100.54 2.42 18.894 0.026 AB
SDSS_z 114.15 10.2 18.756 0.097 AB
DES_z 108.99 1.22 18.807 0.012 AB
PanSTARRS_y 115.71 6.05 18.742 0.057 AB
2MASS_J 176.04 92.17 17.391 0.568 Vega
2MASS_H 183.35 148.97 16.874 0.882 Vega
2MASS_K 310.15 170.32 15.833 0.596 Vega
WISE_W1 79.05 8.53 16.456 0.117 Vega
WISE_W2 53.83 13.06 16.234 0.263 Vega
WISE_W3 -11.47 66.56 Vega
WISE_W4 -192.47 412.69 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})\, 9.677 9.998 10.194
{\rm log}_{10}({\rm SFR}) -0.620 0.722 1.317
{\rm log}_{10}({\rm sSFR}) -10.717 -9.282 -8.399
{\rm stellar\ age} 1.252 4.819 6.979

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.545 -0.966 -0.468
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.647 -0.740 0.146

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.477 0.677 0.907
\delta -0.776 -0.531 -0.208
\tau_1/\tau_2 0.474 0.924 1.374
Q_{PAH} 0.597 1.918 4.048
U_{min} 3.182 9.816 17.861
{\rm log}_{10}(\gamma_e)\, -3.150 -2.113 -1.048

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.210 -2.806 -1.685
{\rm log}_{10}(\tau_{AGN})\, 0.960 1.409 1.882

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.076 -1.471 -0.513
0.03-0.10 Gyr -0.545 0.883 1.480
0.10-0.32 Gyr -1.754 0.343 0.983
0.32-1.02 Gyr -2.819 -0.167 0.532
1.02-3.25 Gyr -2.776 -0.094 0.400
3.25-10.36 Gyr -2.507 -0.187 0.302
10.36-11.51 Gyr -2.815 -0.172 0.767