2025ahdj

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Information

Transient

Name: AT2025ahdj
Right ascension: 14h59m21.78s
Declination: 14d21m46.37s
Discovery Date: Dec. 15, 2025, 1:30 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.022

Host

Name:
Right ascension: 14h59m21.76s
Declination: 14d21m46.69s
Redshift: None
Photometric Redshift: 0.075
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.67
Transient MWEBV processed 0.11
Host match processed 5.0
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 6.33
Validate global photometry processed 17.09
Global host SED inference processed 408.64
Local aperture photometry processed 6.21
Validate local photometry processed 0.03
Local host SED inference processed 460.37
 

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) = 14h59m21.78s, 14d21m46.37s
semi major axis, semi minor axis (arcsec) = 1.41, 1.41
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 21.08 0.25 20.591 0.013 AB
PanSTARRS_g 18.15 0.31 20.753 0.019 AB
SDSS_r 25.42 1.42 20.387 0.061 AB
PanSTARRS_r 24.49 0.42 20.428 0.018 AB
DES_r 27.69 0.43 20.294 0.017 AB
SDSS_i 31.25 1.78 20.163 0.062 AB
PanSTARRS_i 30.55 0.51 20.187 0.018 AB
PanSTARRS_z 29.39 0.95 20.229 0.035 AB
SDSS_z 28.96 3.94 20.245 0.148 AB
DES_z 36.94 1.31 19.981 0.038 AB
PanSTARRS_y 28.89 2.42 20.248 0.091 AB

Aperture details

RA, DEC (J2000) = 14h59m21.75s, 14d21m46.89s
semi major axis, semi minor axis (arcsec) = 4.25, 3.91
angle (degrees, anti-clockwise from east) = -30.72

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 9.67 3.74 21.436 0.420 AB
SDSS_g 34.7 1.96 20.049 0.061 AB
DES_g 43.1 0.45 19.814 0.011 AB
PanSTARRS_g 45.14 0.89 19.764 0.021 AB
SDSS_r 59.56 2.6 19.463 0.047 AB
PanSTARRS_r 53.67 1.18 19.576 0.024 AB
DES_r 60.36 0.76 19.448 0.014 AB
SDSS_i 75.7 3.82 19.202 0.055 AB
PanSTARRS_i 68.09 1.44 19.317 0.023 AB
PanSTARRS_z 60.27 2.7 19.450 0.049 AB
SDSS_z 60.49 10.96 19.446 0.197 AB
DES_z 74.1 2.21 19.225 0.032 AB
PanSTARRS_y 65.49 6.86 19.360 0.114 AB
2MASS_J -29.05 97.86 Vega
2MASS_H 75.54 163.44 17.837 2.349 Vega
2MASS_K 149.11 181.08 16.628 1.318 Vega
WISE_W1 28.57 5.81 17.561 0.221 Vega
WISE_W2 30.44 8.18 16.853 0.292 Vega
WISE_W3 37.69 37.58 14.785 1.082 Vega
WISE_W4 -123.53 256.44 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})\, 8.278 8.543 8.716
{\rm log}_{10}({\rm SFR}) -1.868 -1.058 -0.199
{\rm log}_{10}({\rm sSFR}) -10.423 -9.627 -8.568
{\rm stellar\ age} 0.587 3.627 6.148

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.703 -1.257 -0.518
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.627 -0.864 0.080

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.131 0.367 0.797
\delta -0.705 -0.293 0.147
\tau_1/\tau_2 0.706 1.126 1.513
Q_{PAH} 1.043 2.744 5.130
U_{min} 3.198 8.937 16.249
{\rm log}_{10}(\gamma_e)\, -2.866 -1.715 -0.666

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.872 -0.350 0.038
{\rm log}_{10}(\tau_{AGN})\, 1.030 1.450 1.936

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.724 -1.588 -1.120
0.03-0.10 Gyr -2.034 -0.954 -0.053
0.10-0.33 Gyr -1.723 -0.772 -0.208
0.33-1.07 Gyr -2.892 -1.048 -0.639
1.07-3.51 Gyr -3.721 -1.486 -1.041
3.51-11.49 Gyr -4.449 -1.827 -1.260
11.49-12.76 Gyr -4.690 -1.833 -1.077

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.700 8.873 9.026
{\rm log}_{10}({\rm SFR}) -1.102 -0.734 -0.383
{\rm log}_{10}({\rm sSFR}) -10.045 -9.629 -9.188
{\rm stellar\ age} 1.873 4.355 6.199

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.488 -0.961 -0.415
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.595 -0.193 0.241

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.131 0.245 0.401
\delta -0.771 -0.359 0.136
\tau_1/\tau_2 0.768 1.128 1.477
Q_{PAH} 1.121 2.470 4.569
U_{min} 2.846 7.936 15.168
{\rm log}_{10}(\gamma_e)\, -2.491 -1.461 -0.588

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.031 -2.403 -1.184
{\rm log}_{10}(\tau_{AGN})\, 1.082 1.579 1.970

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.023 -0.821 -0.641
0.03-0.10 Gyr -1.226 -0.712 -0.282
0.10-0.33 Gyr -0.911 -0.486 -0.151
0.33-1.07 Gyr -0.983 -0.598 -0.299
1.07-3.51 Gyr -1.637 -1.004 -0.697
3.51-11.49 Gyr -2.198 -1.307 -0.926
11.49-12.76 Gyr -2.414 -1.372 -0.769