2025xtu

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Information

Transient

Name: AT2025xtu
Right ascension: 9h40m28.22s
Declination: 39d12m06.83s
Discovery Date: Sept. 15, 2025, 12:32 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.013

Host

Name:
Right ascension: 9h40m28.13s
Declination: 39d12m07.70s
Redshift: None
Photometric Redshift: 0.108
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.58
Transient MWEBV processed 0.05
Host match processed 6.6
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.63
Global aperture photometry processed 5.67
Validate global photometry processed 15.79
Global host SED inference processed 421.49
Local aperture photometry processed 6.0
Validate local photometry processed 0.03
Local host SED inference not enough filters 20.77
 

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) = 9h40m28.22s, 39d12m06.83s
semi major axis, semi minor axis (arcsec) = 1.02, 1.02
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 15.27 0.66 20.940 0.047 AB

Aperture details

RA, DEC (J2000) = 9h40m28.12s, 39d12m08.01s
semi major axis, semi minor axis (arcsec) = 4.53, 2.97
angle (degrees, anti-clockwise from east) = -44.98

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.52 3.3 21.345 0.340 AB
GALEX_NUV 11.19 2.38 21.278 0.231 AB
SDSS_u 21.95 2.81 20.546 0.139 AB
SDSS_g 41.57 1.95 19.853 0.051 AB
DES_g 43.22 0.52 19.811 0.013 AB
PanSTARRS_g 46.49 1.02 19.732 0.024 AB
SDSS_r 54.61 2.72 19.557 0.054 AB
PanSTARRS_r 56.52 1.14 19.519 0.022 AB
SDSS_i 79.3 4.01 19.152 0.055 AB
PanSTARRS_i 74.58 0.93 19.219 0.014 AB
PanSTARRS_z 76.64 2.48 19.189 0.035 AB
SDSS_z 86.97 13.57 19.052 0.169 AB
DES_z 79.02 1.72 19.156 0.024 AB
PanSTARRS_y 67.79 5.72 19.322 0.092 AB
2MASS_J 142.03 93.37 17.624 0.714 Vega
2MASS_H 208.92 141.15 16.732 0.734 Vega
2MASS_K -78.73 154.81 Vega
WISE_W1 33.11 7.34 17.401 0.241 Vega
WISE_W2 14.89 9.57 17.628 0.698 Vega
WISE_W3 12.83 58.68 15.956 4.966 Vega
WISE_W4 303.46 357.93 11.075 1.281 Vega
 

Imaging data

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Spectral Energy Distribution

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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})\, 9.142 9.293 9.433
{\rm log}_{10}({\rm SFR}) -0.524 -0.210 0.113
{\rm log}_{10}({\rm sSFR}) -9.892 -9.532 -9.118
{\rm stellar\ age} 3.408 5.231 6.497

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.390 -0.692 -0.214
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.735 -0.273 0.303

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.108 0.250 0.466
\delta -0.620 -0.128 0.180
\tau_1/\tau_2 0.767 1.126 1.494
Q_{PAH} 0.838 2.370 4.683
U_{min} 2.749 7.962 15.079
{\rm log}_{10}(\gamma_e)\, -2.592 -1.546 -0.575

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.674 -1.645 -0.663
{\rm log}_{10}(\tau_{AGN})\, 1.228 1.605 1.926

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.670 -0.413 -0.204
0.03-0.10 Gyr -0.539 -0.153 0.226
0.10-0.32 Gyr -0.428 -0.094 0.189
0.32-1.05 Gyr -0.764 -0.367 -0.107
1.05-3.42 Gyr -0.964 -0.580 -0.348
3.42-11.12 Gyr -1.212 -0.728 -0.467
11.12-12.36 Gyr -1.386 -0.699 -0.214