2025ahhm

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Information

Transient

Name: AT2025ahhm
Right ascension: 14h59m06.03s
Declination: -3d59m09.01s
Discovery Date: Dec. 17, 2025, 1:33 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.108

Host

Name:
Right ascension: 14h59m06.73s
Declination: -3d58m46.78s
Redshift: None
Photometric Redshift: 0.068
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.73
Transient MWEBV processed 0.07
Host match processed 5.96
Host information processed 0.18
Host MWEBV processed 0.05
Global aperture construction processed 0.66
Global aperture photometry processed 5.22
Validate global photometry processed 12.81
Global host SED inference processed 455.09
Local aperture photometry processed 5.42
Validate local photometry processed 0.02
Local host SED inference processed 688.53
 

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) = 14h59m06.03s, -3d59m09.01s
semi major axis, semi minor axis (arcsec) = 1.53, 1.53
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 0.64 0.09 24.393 0.160 AB
PanSTARRS_g 0.7 0.28 24.285 0.429 AB
PanSTARRS_r 0.63 0.37 24.401 0.634 AB
DES_r 0.88 0.16 24.034 0.202 AB
PanSTARRS_i 0.7 0.44 24.291 0.677 AB
PanSTARRS_z -0.57 0.95 AB
PanSTARRS_y -3.9 2.09 AB

Aperture details

RA, DEC (J2000) = 14h59m06.71s, -3d58m46.59s
semi major axis, semi minor axis (arcsec) = 8.77, 7.23
angle (degrees, anti-clockwise from east) = -4.35

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 249.77 0.7 17.906 0.003 AB
PanSTARRS_g 245.05 1.48 17.927 0.007 AB
PanSTARRS_r 534.39 1.92 17.080 0.004 AB
DES_r 589.95 1.7 16.973 0.003 AB
PanSTARRS_i 820.65 2.29 16.615 0.003 AB
PanSTARRS_z 1055.0 4.91 16.342 0.005 AB
PanSTARRS_y 1282.71 11.37 16.130 0.010 AB
2MASS_J 1329.16 235.12 15.196 0.192 Vega
2MASS_H 1786.94 327.09 14.402 0.199 Vega
2MASS_K 1363.44 470.25 14.226 0.374 Vega
WISE_W1 734.24 19.89 14.036 0.029 Vega
WISE_W2 415.16 27.43 14.015 0.072 Vega
WISE_W3 63.0 73.66 14.228 1.269 Vega
WISE_W4 -589.83 385.88 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})\, 7.009 7.397 7.968
{\rm log}_{10}({\rm SFR}) -1.185 -0.872 -0.502
{\rm log}_{10}({\rm sSFR}) -8.846 -7.996 -7.961
{\rm stellar\ age} 0.016 0.363 6.420

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.852 -0.257 0.086
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.230 -0.708 -0.209

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.881 2.464 3.147
\delta 0.198 0.301 0.366
\tau_1/\tau_2 0.658 0.988 1.390
Q_{PAH} 0.593 2.212 5.082
U_{min} 3.290 9.803 17.762
{\rm log}_{10}(\gamma_e)\, -3.195 -1.850 -0.641

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.615 -0.444 0.129
{\rm log}_{10}(\tau_{AGN})\, 1.112 1.546 1.966

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.851 -0.464 -0.058
0.03-0.10 Gyr -4.125 -2.353 -1.025
0.10-0.33 Gyr -6.605 -4.028 -2.055
0.33-1.08 Gyr -8.356 -4.986 -2.413
1.08-3.53 Gyr -9.293 -5.142 -2.395
3.53-11.56 Gyr -9.766 -4.902 -2.236
11.56-12.85 Gyr -10.217 -4.622 -1.933

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.325 10.439 10.551
{\rm log}_{10}({\rm SFR}) -3.526 -1.034 -0.192
{\rm log}_{10}({\rm sSFR}) -13.880 -11.431 -10.604
{\rm stellar\ age} 6.480 7.629 11.217

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.323 -0.989 -0.780
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.373 -0.548 0.102

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.336 0.494 0.667
\delta -0.910 -0.739 -0.481
\tau_1/\tau_2 0.546 0.950 1.368
Q_{PAH} 0.349 1.342 3.531
U_{min} 2.894 8.790 17.251
{\rm log}_{10}(\gamma_e)\, -2.991 -1.598 -0.703

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.548 -3.636 -2.619
{\rm log}_{10}(\tau_{AGN})\, 1.140 1.629 1.973

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.849 -1.574 -0.622
0.03-0.10 Gyr -4.068 -1.043 -0.077
0.10-0.33 Gyr -3.723 -0.772 0.197
0.33-1.08 Gyr -3.345 -0.686 0.191
1.08-3.53 Gyr -2.412 -0.120 0.512
3.53-11.56 Gyr -0.649 0.539 0.742
11.56-12.85 Gyr -0.586 0.647 1.607