2025aexl

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Information

Transient

Name: AT2025aexl
Right ascension: 23h18m07.69s
Declination: 4d22m46.01s
Discovery Date: Nov. 19, 2025, 2:39 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.066

Host

Name:
Right ascension: 23h18m07.77s
Declination: 4d22m46.46s
Redshift: None
Photometric Redshift: 0.109
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.58
Transient MWEBV processed 0.04
Host match processed 4.96
Host information processed 0.16
Host MWEBV processed 0.08
Global aperture construction processed 1.04
Global aperture photometry processed 5.5
Validate global photometry processed 14.5
Global host SED inference processed 417.57
Local aperture photometry processed 5.57
Validate local photometry processed 0.03
Local host SED inference not enough filters 19.14
 

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) = 23h18m07.69s, 4d22m46.01s
semi major axis, semi minor axis (arcsec) = 1.01, 1.01
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 83.21 1.83 19.100 0.024 AB

Aperture details

RA, DEC (J2000) = 23h18m07.76s, 4d22m46.72s
semi major axis, semi minor axis (arcsec) = 7.89, 5.91
angle (degrees, anti-clockwise from east) = -1.87

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.65 0.97 21.558 0.122 AB
GALEX_NUV 15.23 0.81 20.944 0.058 AB
SDSS_u 46.86 5.07 19.723 0.117 AB
SDSS_g 173.61 3.91 18.301 0.024 AB
PanSTARRS_g 190.63 1.32 18.200 0.008 AB
SDSS_r 366.92 5.94 17.489 0.018 AB
PanSTARRS_r 370.73 1.58 17.477 0.005 AB
SDSS_i 557.73 8.07 17.034 0.016 AB
PanSTARRS_i 569.23 1.43 17.012 0.003 AB
PanSTARRS_z 723.23 4.63 16.752 0.007 AB
SDSS_z 728.9 21.68 16.743 0.032 AB
PanSTARRS_y 853.86 10.1 16.572 0.013 AB
2MASS_J 1069.16 143.26 15.432 0.145 Vega
2MASS_H 1349.08 214.61 14.707 0.173 Vega
2MASS_K 1379.71 237.66 14.213 0.187 Vega
WISE_W1 560.5 17.19 14.330 0.033 Vega
WISE_W2 335.99 20.55 14.245 0.066 Vega
WISE_W3 749.16 106.79 11.540 0.155 Vega
WISE_W4 424.15 491.15 10.711 1.257 Vega
 

Imaging data

Click the image to load the interactive plot.


 

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})\, 10.650 10.685 10.764
{\rm log}_{10}({\rm SFR}) 0.096 0.319 0.577
{\rm log}_{10}({\rm sSFR}) -10.624 -10.378 -10.120
{\rm stellar\ age} 7.476 8.688 11.108

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.517 -0.379 -0.272
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.856 0.220 0.413

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.140 0.203 0.313
\delta -0.862 -0.627 -0.329
\tau_1/\tau_2 0.739 1.150 1.553
Q_{PAH} 0.511 1.295 2.598
U_{min} 2.406 7.039 14.353
{\rm log}_{10}(\gamma_e)\, -2.925 -2.004 -1.329

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.556 -3.835 -2.878
{\rm log}_{10}(\tau_{AGN})\, 1.066 1.583 1.930

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.096 0.104 0.261
0.03-0.10 Gyr 0.097 0.391 0.697
0.10-0.32 Gyr -0.587 -0.050 0.290
0.32-1.05 Gyr -1.135 -0.436 -0.072
1.05-3.42 Gyr -1.030 -0.317 0.137
3.42-11.11 Gyr 0.064 0.811 0.944
11.11-12.34 Gyr 0.778 1.399 1.871