2025aecu

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Information

Transient

Name: AT2025aecu
Right ascension: 4h42m24.17s
Declination: 1d00m01.58s
Discovery Date: Nov. 17, 2025, 11:24 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.086

Host

Name:
Right ascension: 4h42m24.22s
Declination: 1d00m01.98s
Redshift: None
Photometric Redshift: 0.043
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.69
Transient MWEBV processed 0.08
Host match processed 5.22
Host information processed 0.11
Host MWEBV processed 0.06
Global aperture construction processed 0.66
Global aperture photometry processed 5.22
Validate global photometry processed 14.11
Global host SED inference processed 585.6
Local aperture photometry processed 5.12
Validate local photometry processed 0.02
Local host SED inference processed 528.5
 

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) = 4h42m24.17s, 1d00m01.58s
semi major axis, semi minor axis (arcsec) = 2.36, 2.36
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 92.13 3.19 18.989 0.038 AB
SDSS_g 278.44 4.39 17.788 0.017 AB
PanSTARRS_g 277.49 0.68 17.792 0.003 AB
SDSS_r 380.05 5.17 17.450 0.015 AB
PanSTARRS_r 387.25 0.72 17.430 0.002 AB
SDSS_i 478.63 6.0 17.200 0.014 AB
PanSTARRS_i 491.4 0.89 17.171 0.002 AB
PanSTARRS_z 505.97 1.78 17.140 0.004 AB
SDSS_z 543.81 9.33 17.061 0.019 AB
PanSTARRS_y 555.87 3.76 17.038 0.007 AB

Aperture details

RA, DEC (J2000) = 4h42m24.20s, 1d00m01.85s
semi major axis, semi minor axis (arcsec) = 11.33, 7.81
angle (degrees, anti-clockwise from east) = -123.4

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 139.12 9.01 18.542 0.070 AB
SDSS_g 742.16 7.63 16.724 0.011 AB
PanSTARRS_g 775.51 2.41 16.676 0.003 AB
SDSS_r 1065.23 9.53 16.331 0.010 AB
PanSTARRS_r 1085.47 2.57 16.311 0.003 AB
SDSS_i 1365.81 12.38 16.062 0.010 AB
PanSTARRS_i 1416.06 3.35 16.022 0.003 AB
PanSTARRS_z 1430.91 6.84 16.011 0.005 AB
SDSS_z 1634.53 30.39 15.867 0.020 AB
PanSTARRS_y 1497.6 14.85 15.962 0.011 AB
2MASS_J 1908.06 311.55 14.804 0.177 Vega
2MASS_H 1729.41 473.2 14.438 0.297 Vega
2MASS_K 1641.68 528.93 14.024 0.350 Vega
WISE_W1 911.23 32.3 13.802 0.038 Vega
WISE_W2 595.77 29.92 13.623 0.055 Vega
WISE_W3 2992.02 124.34 10.036 0.045 Vega
WISE_W4 7246.4 979.62 7.630 0.147 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.246 9.421 9.547
{\rm log}_{10}({\rm SFR}) -1.240 -0.505 0.166
{\rm log}_{10}({\rm sSFR}) -10.721 -9.887 -9.171
{\rm stellar\ age} 2.176 5.437 7.271

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.849 -1.566 -1.096
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.872 -1.523 -0.133

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.119 0.372 0.665
\delta -0.697 -0.350 0.051
\tau_1/\tau_2 0.699 1.053 1.415
Q_{PAH} 0.691 2.083 4.649
U_{min} 2.584 7.772 14.950
{\rm log}_{10}(\gamma_e)\, -3.424 -2.121 -0.746

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.951 -1.849 -0.872
{\rm log}_{10}(\tau_{AGN})\, 0.859 1.291 1.847

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.470 -0.888 -0.443
0.03-0.10 Gyr -1.374 -0.424 0.294
0.10-0.33 Gyr -0.731 -0.108 0.526
0.33-1.09 Gyr -1.188 -0.442 -0.066
1.09-3.59 Gyr -1.302 -0.509 -0.203
3.59-11.86 Gyr -1.946 -0.653 -0.329
11.86-13.18 Gyr -2.088 -0.699 -0.132

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.891 10.005 10.096
{\rm log}_{10}({\rm SFR}) -0.959 -0.445 -0.059
{\rm log}_{10}({\rm sSFR}) -10.942 -10.461 -10.097
{\rm stellar\ age} 4.898 6.956 8.332

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.829 -1.589 -1.300
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.589 -1.202 -0.883

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.177 0.275 0.413
\delta -0.278 0.152 0.330
\tau_1/\tau_2 0.318 0.666 1.092
Q_{PAH} 1.543 2.985 4.946
U_{min} 2.915 8.399 16.037
{\rm log}_{10}(\gamma_e)\, -2.776 -1.886 -1.104

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.367 -2.172 -1.576
{\rm log}_{10}(\tau_{AGN})\, 1.018 1.469 1.901

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.063 -0.497 -0.190
0.03-0.10 Gyr -1.495 -0.474 0.034
0.10-0.33 Gyr -1.119 -0.270 0.182
0.33-1.09 Gyr -0.703 -0.061 0.344
1.09-3.59 Gyr -0.383 0.044 0.354
3.59-11.86 Gyr -0.485 0.073 0.249
11.86-13.18 Gyr -0.620 0.124 0.673