2025aend

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Information

Transient

Name: AT2025aend
Right ascension: 2h35m33.58s
Declination: -19d36m54.17s
Discovery Date: Nov. 21, 2025, 9:31 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.021

Host

Name:
Right ascension: 2h35m34.44s
Declination: -19d37m04.83s
Redshift: None
Photometric Redshift: 0.099
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 7.01
Transient MWEBV processed 0.08
Host match processed 6.28
Host information processed 0.11
Host MWEBV processed 0.1
Global aperture construction processed 0.66
Global aperture photometry processed 4.84
Validate global photometry processed 13.48
Global host SED inference processed 454.43
Local aperture photometry processed 4.7
Validate local photometry processed 0.02
Local host SED inference processed 1104.56
 

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) = 2h35m33.58s, -19d36m54.17s
semi major axis, semi minor axis (arcsec) = 1.09, 1.09
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 0.25 0.07 25.414 0.306 AB
PanSTARRS_z 1.23 0.62 23.678 0.546 AB
DES_z 0.23 0.25 25.501 1.208 AB
PanSTARRS_y 1.9 1.92 23.202 1.096 AB

Aperture details

RA, DEC (J2000) = 2h35m34.43s, -19d37m04.51s
semi major axis, semi minor axis (arcsec) = 10.94, 5.54
angle (degrees, anti-clockwise from east) = -52.2

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.51 1.55 22.902 0.672 AB
GALEX_NUV 4.47 2.38 22.274 0.577 AB
DES_g 322.16 0.64 17.630 0.002 AB
PanSTARRS_g 323.12 1.99 17.627 0.007 AB
PanSTARRS_r 657.96 2.38 16.855 0.004 AB
DES_r 727.69 1.04 16.745 0.002 AB
PanSTARRS_i 920.79 2.19 16.490 0.003 AB
PanSTARRS_z 1186.11 4.39 16.215 0.004 AB
DES_z 1269.65 4.69 16.141 0.004 AB
PanSTARRS_y 1368.88 13.67 16.059 0.011 AB
2MASS_J 1634.62 204.34 14.972 0.136 Vega
2MASS_H 2121.19 349.15 14.216 0.179 Vega
2MASS_K 2226.51 367.4 13.693 0.179 Vega
WISE_W1 850.19 17.42 13.877 0.022 Vega
WISE_W2 523.25 20.22 13.764 0.042 Vega
WISE_W3 113.59 60.9 13.588 0.582 Vega
WISE_W4 366.32 316.71 10.870 0.939 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})\, 7.198 7.475 7.971
{\rm log}_{10}({\rm SFR}) -0.808 -0.555 -0.090
{\rm log}_{10}({\rm sSFR}) -8.054 -7.962 -7.960
{\rm stellar\ age} 0.015 0.018 1.267

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.775 -0.127 0.108
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.121 -0.609 -0.168

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.715 2.289 3.177
\delta 0.145 0.276 0.361
\tau_1/\tau_2 0.666 1.072 1.467
Q_{PAH} 0.848 3.127 5.404
U_{min} 3.908 10.131 17.966
{\rm log}_{10}(\gamma_e)\, -3.052 -1.608 -0.517

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.270 -0.298 0.272
{\rm log}_{10}(\tau_{AGN})\, 1.237 1.705 1.998

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.335 -0.084 0.359
0.03-0.10 Gyr -4.309 -3.102 -1.353
0.10-0.33 Gyr -7.744 -5.598 -2.892
0.33-1.06 Gyr -10.034 -7.047 -3.503
1.06-3.45 Gyr -11.577 -8.052 -4.104
3.45-11.21 Gyr -12.085 -7.783 -3.885
11.21-12.46 Gyr -12.406 -7.485 -3.100

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.681 10.781 10.926
{\rm log}_{10}({\rm SFR}) -4.422 -1.438 -0.222
{\rm log}_{10}({\rm sSFR}) -15.347 -12.309 -10.974
{\rm stellar\ age} 6.674 7.697 11.613

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.165 -0.786 -0.594
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.517 -0.727 0.101

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.191 0.341 0.515
\delta -0.870 -0.564 -0.210
\tau_1/\tau_2 0.577 1.001 1.445
Q_{PAH} 1.164 3.239 5.409
U_{min} 2.995 9.395 17.415
{\rm log}_{10}(\gamma_e)\, -2.612 -1.389 -0.442

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.188 -2.937 -1.834
{\rm log}_{10}(\tau_{AGN})\, 1.100 1.635 1.992

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.982 -2.181 -0.636
0.03-0.10 Gyr -5.035 -1.540 -0.116
0.10-0.33 Gyr -4.717 -1.275 0.235
0.33-1.06 Gyr -3.856 -1.094 0.334
1.06-3.45 Gyr -2.721 -0.134 0.808
3.45-11.21 Gyr -0.741 0.866 1.090
11.21-12.46 Gyr -0.350 1.103 2.057