2025ahsj

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Information

Transient

Name: AT2025ahsj
Right ascension: 12h22m34.31s
Declination: 31d08m29.88s
Discovery Date: Dec. 20, 2025, 3:52 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.015

Host

Name: 1933542
Right ascension: 12h22m34.34s
Declination: 31d08m30.12s
Redshift: 0.109218
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 19.47
Transient MWEBV processed 0.04
Host match processed 4.54
Host information processed 0.04
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 5.52
Validate global photometry processed 3.1
Global host SED inference processed 440.3
Local aperture photometry processed 5.43
Validate local photometry processed 0.03
Local host SED inference not enough filters 22.11
 

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) = 12h22m34.31s, 31d08m29.88s
semi major axis, semi minor axis (arcsec) = 1.0, 1.0
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 221.07 2.78 18.039 0.014 AB

Aperture details

RA, DEC (J2000) = 12h22m34.35s, 31d08m29.73s
semi major axis, semi minor axis (arcsec) = 8.78, 7.42
angle (degrees, anti-clockwise from east) = -67.25

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 28.69 0.91 20.256 0.035 AB
SDSS_u 103.68 6.12 18.861 0.064 AB
SDSS_g 353.88 5.24 17.528 0.016 AB
PanSTARRS_g 385.71 1.85 17.434 0.005 AB
SDSS_r 754.94 7.86 16.705 0.011 AB
PanSTARRS_i 1074.66 3.06 16.322 0.003 AB
PanSTARRS_z 1415.8 5.98 16.022 0.005 AB
DES_z 1459.48 7.43 15.990 0.006 AB
PanSTARRS_y 1594.1 9.95 15.894 0.007 AB
2MASS_J 1967.93 185.0 14.770 0.102 Vega
2MASS_H 2221.02 303.16 14.166 0.148 Vega
WISE_W2 629.62 23.9 13.563 0.041 Vega
 

Imaging data

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Spectral Energy Distribution

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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})\, 10.897 10.965 11.052
{\rm log}_{10}({\rm SFR}) 0.013 0.652 1.176
{\rm log}_{10}({\rm sSFR}) -10.952 -10.287 -9.756
{\rm stellar\ age} 6.988 7.949 11.234

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.856 -0.562 -0.368
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.593 -0.790 0.023

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.254 0.450 0.682
\delta -0.605 -0.193 0.203
\tau_1/\tau_2 0.529 0.959 1.388
Q_{PAH} 0.863 2.271 4.264
U_{min} 2.261 7.137 14.590
{\rm log}_{10}(\gamma_e)\, -3.481 -2.752 -1.341

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.595 -3.897 -2.928
{\rm log}_{10}(\tau_{AGN})\, 1.092 1.629 1.972

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.673 -0.526 0.124
0.03-0.10 Gyr 0.050 0.798 1.335
0.10-0.32 Gyr -1.134 0.377 0.932
0.32-1.05 Gyr -2.533 -0.069 0.526
1.05-3.42 Gyr -2.063 0.105 0.809
3.42-11.11 Gyr -0.056 1.086 1.240
11.11-12.34 Gyr 0.564 1.459 2.165