2025ahhl

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Information

Transient

Name: AT2025ahhl
Right ascension: 13h43m45.35s
Declination: 0d28m04.40s
Discovery Date: Dec. 17, 2025, 1:28 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.028

Host

Name: 48636
Right ascension: 13h43m45.46s
Declination: 0d27m59.89s
Redshift: 0.071676
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 22.48
Transient MWEBV processed 0.11
Host match processed 5.09
Host information processed 0.09
Host MWEBV processed 0.06
Global aperture construction processed 0.7
Global aperture photometry processed 6.98
Validate global photometry processed 17.91
Global host SED inference processed 404.47
Local aperture photometry processed 7.09
Validate local photometry processed 0.03
Local host SED inference processed 441.15
 

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) = 13h43m45.35s, 0d28m04.40s
semi major axis, semi minor axis (arcsec) = 1.47, 1.47
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 35.73 1.6 20.017 0.049 AB
DES_g 35.99 0.33 20.010 0.010 AB
PanSTARRS_g 39.59 0.36 19.906 0.010 AB
SDSS_r 54.76 2.03 19.554 0.040 AB
PanSTARRS_r 59.3 0.51 19.467 0.009 AB
DES_r 59.65 0.69 19.461 0.012 AB
SDSS_i 74.25 2.48 19.223 0.036 AB
PanSTARRS_i 78.95 0.82 19.157 0.011 AB
PanSTARRS_z 85.84 0.9 19.066 0.011 AB
SDSS_z 89.35 6.42 19.022 0.078 AB
DES_z 85.38 2.23 19.072 0.028 AB
PanSTARRS_y 100.92 2.07 18.890 0.022 AB

Aperture details

RA, DEC (J2000) = 13h43m45.47s, 0d28m00.01s
semi major axis, semi minor axis (arcsec) = 16.66, 11.78
angle (degrees, anti-clockwise from east) = -83.74

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 138.8 12.1 18.544 0.095 AB
GALEX_NUV 200.78 2.18 18.143 0.012 AB
SDSS_u 331.91 13.57 17.597 0.044 AB
SDSS_g 1330.65 10.22 16.090 0.008 AB
PanSTARRS_g 1428.16 3.3 16.013 0.003 AB
SDSS_r 2164.49 13.7 15.562 0.007 AB
PanSTARRS_r 2163.79 4.68 15.562 0.002 AB
DES_r 2361.29 4.47 15.467 0.002 AB
SDSS_i 2911.87 17.56 15.240 0.007 AB
PanSTARRS_i 2921.54 7.77 15.236 0.003 AB
PanSTARRS_z 3250.97 8.45 15.120 0.003 AB
SDSS_z 3360.37 59.06 15.084 0.019 AB
DES_z 3493.4 14.8 15.042 0.005 AB
PanSTARRS_y 3777.41 19.88 14.957 0.006 AB
2MASS_J 4593.54 364.41 13.850 0.086 Vega
2MASS_H 5637.37 530.93 13.155 0.102 Vega
2MASS_K 6312.96 668.73 12.562 0.115 Vega
WISE_W1 2636.31 31.88 12.649 0.013 Vega
WISE_W2 1723.03 38.68 12.470 0.024 Vega
WISE_W3 9040.68 137.44 8.835 0.017 Vega
WISE_W4 9703.59 877.45 7.313 0.098 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})\, 9.061 9.219 9.329
{\rm log}_{10}({\rm SFR}) -1.476 -0.885 -0.277
{\rm log}_{10}({\rm sSFR}) -10.739 -10.123 -9.405
{\rm stellar\ age} 3.792 6.400 7.811

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.656 -1.216 -0.662
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.520 -0.877 -0.086

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.273 0.602 0.983
\delta -0.462 -0.097 0.205
\tau_1/\tau_2 0.752 1.077 1.409
Q_{PAH} 0.914 2.669 4.940
U_{min} 2.836 7.577 14.478
{\rm log}_{10}(\gamma_e)\, -3.146 -1.945 -0.570

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.920 -0.813 -0.256
{\rm log}_{10}(\tau_{AGN})\, 0.938 1.455 1.933

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.492 -1.077 -0.693
0.03-0.10 Gyr -1.629 -0.840 -0.169
0.10-0.33 Gyr -1.383 -0.715 -0.079
0.33-1.07 Gyr -1.410 -0.807 -0.360
1.07-3.52 Gyr -1.342 -0.768 -0.494
3.52-11.53 Gyr -1.313 -0.727 -0.521
11.53-12.81 Gyr -1.461 -0.712 -0.192

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.758 10.809 10.857
{\rm log}_{10}({\rm SFR}) 0.401 0.572 0.749
{\rm log}_{10}({\rm sSFR}) -10.415 -10.236 -10.051
{\rm stellar\ age} 6.356 7.043 8.025

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.700 -0.527 -0.369
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.686 -1.020 0.142

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.179 0.261 0.376
\delta 0.050 0.224 0.335
\tau_1/\tau_2 0.929 1.304 1.648
Q_{PAH} 2.139 3.491 5.012
U_{min} 2.502 7.157 14.098
{\rm log}_{10}(\gamma_e)\, -2.340 -1.525 -0.936

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.228 -2.100 -1.433
{\rm log}_{10}(\tau_{AGN})\, 1.265 1.750 2.039

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.405 0.529 0.632
0.03-0.10 Gyr 0.332 0.601 0.825
0.10-0.33 Gyr 0.484 0.712 0.912
0.33-1.07 Gyr 0.477 0.697 0.855
1.07-3.52 Gyr 0.561 0.807 0.973
3.52-11.53 Gyr 0.781 0.937 1.039
11.53-12.81 Gyr 0.611 1.035 1.452