2025ahwn

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Information

Transient

Name: AT2025ahwn
Right ascension: 15h43m59.42s
Declination: 2d13m24.98s
Discovery Date: Dec. 15, 2025, 1:33 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.072

Host

Name:
Right ascension: 15h43m59.62s
Declination: 2d13m25.83s
Redshift: None
Photometric Redshift: 0.139
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.69
Transient MWEBV processed 0.08
Host match processed 5.78
Host information processed 0.13
Host MWEBV processed 0.08
Global aperture construction processed 0.64
Global aperture photometry processed 6.08
Validate global photometry processed 3.28
Global host SED inference processed 396.17
Local aperture photometry processed 5.68
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

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) = 15h43m59.42s, 2d13m24.98s
semi major axis, semi minor axis (arcsec) = 0.82, 0.82
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 15h43m59.61s, 2d13m26.38s
semi major axis, semi minor axis (arcsec) = 7.46, 6.12
angle (degrees, anti-clockwise from east) = -25.02

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.83 2.6 21.815 0.413 AB
GALEX_NUV 12.46 0.79 21.161 0.069 AB
SDSS_u 18.91 5.81 20.708 0.334 AB
SDSS_g 126.38 3.65 18.646 0.031 AB
DES_g 124.55 0.84 18.662 0.007 AB
PanSTARRS_g 126.73 1.58 18.643 0.014 AB
SDSS_r 237.89 5.37 17.959 0.025 AB
PanSTARRS_r 236.98 2.03 17.963 0.009 AB
DES_r 247.79 1.47 17.915 0.006 AB
SDSS_i 337.19 8.07 17.580 0.026 AB
PanSTARRS_i 313.07 1.92 17.661 0.007 AB
PanSTARRS_z 408.81 4.48 17.371 0.012 AB
SDSS_z 417.28 25.15 17.349 0.065 AB
PanSTARRS_y 436.77 10.35 17.299 0.026 AB
2MASS_J 760.92 158.36 15.802 0.226 Vega
2MASS_H 596.91 225.62 15.593 0.410 Vega
2MASS_K 375.75 294.66 15.625 0.851 Vega
WISE_W1 320.01 15.8 14.938 0.054 Vega
WISE_W2 222.71 19.07 14.692 0.093 Vega
WISE_W3 362.18 250.08 12.329 0.750 Vega
WISE_W4 1092.24 633.72 9.684 0.630 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.464 10.521 10.600
{\rm log}_{10}({\rm SFR}) -0.430 0.066 0.390
{\rm log}_{10}({\rm sSFR}) -10.960 -10.466 -10.124
{\rm stellar\ age} 5.480 6.364 7.401

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.121 -0.762 -0.495
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.612 -0.818 0.075

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.207 0.362 0.536
\delta -0.127 0.094 0.259
\tau_1/\tau_2 0.679 1.020 1.372
Q_{PAH} 1.076 3.102 5.257
U_{min} 2.622 7.599 15.035
{\rm log}_{10}(\gamma_e)\, -2.854 -1.843 -0.667

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.660 -2.117 -1.413
{\rm log}_{10}(\tau_{AGN})\, 1.050 1.456 1.857

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.254 -0.434 -0.124
0.03-0.10 Gyr -0.428 0.168 0.537
0.10-0.32 Gyr 0.324 0.600 0.835
0.32-1.04 Gyr 0.202 0.533 0.755
1.04-3.35 Gyr 0.276 0.583 0.799
3.35-10.79 Gyr 0.437 0.660 0.781
10.79-11.98 Gyr 0.114 0.711 1.193