2025aheb

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Information

Transient

Name: AT2025aheb
Right ascension: 1h54m02.79s
Declination: -3d26m58.69s
Discovery Date: Dec. 11, 2025, 5:06 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.026

Host

Name:
Right ascension: 1h54m02.81s
Declination: -3d26m58.80s
Redshift: None
Photometric Redshift: 0.091
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 22.53
Transient MWEBV processed 0.11
Host match processed 6.41
Host information processed 0.17
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 6.75
Validate global photometry processed 18.22
Global host SED inference processed 511.71
Local aperture photometry processed 7.0
Validate local photometry processed 0.04
Local host SED inference processed 452.7
 

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) = 1h54m02.79s, -3d26m58.69s
semi major axis, semi minor axis (arcsec) = 1.18, 1.18
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 30.0 0.18 20.207 0.007 AB
DES_r 75.89 0.34 19.199 0.005 AB
PanSTARRS_i 103.61 0.41 18.862 0.004 AB
PanSTARRS_z 128.67 0.72 18.626 0.006 AB
DES_z 149.23 1.42 18.465 0.010 AB
PanSTARRS_y 141.04 2.31 18.527 0.018 AB

Aperture details

RA, DEC (J2000) = 1h54m02.80s, -3d26m58.77s
semi major axis, semi minor axis (arcsec) = 7.19, 3.28
angle (degrees, anti-clockwise from east) = -176.7

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.42 1.11 22.940 0.498 AB
GALEX_NUV 7.26 1.48 21.748 0.221 AB
SDSS_u 46.26 4.64 19.737 0.109 AB
SDSS_g 106.04 2.99 18.836 0.031 AB
DES_g 100.52 0.39 18.894 0.004 AB
PanSTARRS_g 113.12 1.31 18.766 0.013 AB
SDSS_r 194.77 4.27 18.176 0.024 AB
PanSTARRS_r 199.21 1.58 18.152 0.009 AB
DES_r 222.32 0.64 18.033 0.003 AB
SDSS_i 287.36 5.68 17.754 0.021 AB
PanSTARRS_i 289.6 1.52 17.745 0.006 AB
PanSTARRS_z 347.37 2.73 17.548 0.009 AB
SDSS_z 349.83 13.35 17.540 0.041 AB
DES_z 381.56 2.43 17.446 0.007 AB
PanSTARRS_y 381.76 9.22 17.446 0.026 AB
2MASS_J 449.01 138.64 16.374 0.335 Vega
2MASS_H 476.15 257.25 15.838 0.587 Vega
2MASS_K 681.42 233.5 14.979 0.372 Vega
WISE_W1 263.73 11.0 15.148 0.045 Vega
WISE_W2 174.15 14.24 14.959 0.089 Vega
WISE_W3 329.83 62.08 12.430 0.204 Vega
WISE_W4 1548.15 412.21 9.305 0.289 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})\, 9.795 9.905 10.018
{\rm log}_{10}({\rm SFR}) -1.832 -1.026 -0.445
{\rm log}_{10}({\rm sSFR}) -11.730 -10.927 -10.362
{\rm stellar\ age} 7.277 8.945 11.854

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.344 -0.822 -0.515
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.693 -0.624 0.211

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.406 0.747 1.069
\delta -0.516 -0.184 0.117
\tau_1/\tau_2 0.628 1.023 1.423
Q_{PAH} 1.095 3.430 5.623
U_{min} 3.067 8.232 15.386
{\rm log}_{10}(\gamma_e)\, -3.178 -2.239 -0.909

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.617 -0.896 -0.195
{\rm log}_{10}(\tau_{AGN})\, 1.096 1.458 1.946

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.057 -1.071 -0.495
0.03-0.10 Gyr -2.368 -1.143 -0.441
0.10-0.33 Gyr -3.292 -1.423 -0.617
0.33-1.06 Gyr -4.672 -1.581 -0.609
1.06-3.47 Gyr -3.924 -1.329 -0.274
3.47-11.31 Gyr -1.741 -0.114 0.131
11.31-12.57 Gyr -0.187 0.635 1.125

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.135 10.226 10.328
{\rm log}_{10}({\rm SFR}) -0.894 -0.330 0.272
{\rm log}_{10}({\rm sSFR}) -11.206 -10.575 -9.931
{\rm stellar\ age} 7.334 8.360 11.589

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.415 -0.927 -0.561
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.313 0.136 0.419

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.228 0.426 0.623
\delta -0.620 -0.128 0.255
\tau_1/\tau_2 0.502 0.899 1.289
Q_{PAH} 0.723 1.897 3.742
U_{min} 2.734 8.599 16.358
{\rm log}_{10}(\gamma_e)\, -2.802 -1.922 -0.772

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.839 -2.410 -1.543
{\rm log}_{10}(\tau_{AGN})\, 0.997 1.396 1.850

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.918 -1.048 -0.538
0.03-0.10 Gyr -0.906 -0.213 0.428
0.10-0.33 Gyr -2.710 -0.681 -0.064
0.33-1.06 Gyr -4.417 -1.252 -0.456
1.06-3.47 Gyr -3.146 -0.863 -0.132
3.47-11.31 Gyr -0.888 0.309 0.496
11.31-12.57 Gyr -0.139 0.783 1.443