2025ahsb

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Information

Transient

Name: AT2025ahsb
Right ascension: 15h23m30.55s
Declination: 29d30m11.60s
Discovery Date: Dec. 20, 2025, 12:06 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.020

Host

Name:
Right ascension: 15h23m30.98s
Declination: 29d30m10.57s
Redshift: 0.065459
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.24
Transient MWEBV processed 0.14
Host match processed 5.42
Host information processed 0.13
Host MWEBV processed 0.09
Global aperture construction processed 0.64
Global aperture photometry processed 7.15
Validate global photometry processed 2.75
Global host SED inference processed 483.58
Local aperture photometry processed 7.52
Validate local photometry processed 0.03
Local host SED inference processed 459.25
 

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) = 15h23m30.55s, 29d30m11.60s
semi major axis, semi minor axis (arcsec) = 1.59, 1.59
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 0.16 1.13 25.916 7.818 AB
SDSS_g 5.94 0.75 21.965 0.136 AB
DES_g 5.22 0.2 22.106 0.042 AB
PanSTARRS_g 5.58 0.38 22.034 0.073 AB
SDSS_r 7.78 0.97 21.672 0.136 AB
PanSTARRS_r 9.36 0.42 21.472 0.049 AB
DES_r 8.3 0.71 21.602 0.092 AB
SDSS_i 10.3 1.38 21.368 0.146 AB
PanSTARRS_i 10.71 0.53 21.325 0.053 AB
PanSTARRS_z 10.34 1.06 21.364 0.111 AB
SDSS_z 22.3 4.7 20.529 0.229 AB
DES_z 9.57 0.99 21.447 0.112 AB
PanSTARRS_y 8.97 2.58 21.518 0.312 AB

Aperture details

RA, DEC (J2000) = 15h23m30.99s, 29d30m10.63s
semi major axis, semi minor axis (arcsec) = 9.08, 7.8
angle (degrees, anti-clockwise from east) = -18.84

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 24.19 3.95 20.441 0.177 AB
GALEX_NUV 36.29 3.15 20.000 0.094 AB
SDSS_u 42.43 6.08 19.831 0.156 AB
SDSS_g 205.56 4.32 18.118 0.023 AB
DES_g 218.16 1.19 18.053 0.006 AB
PanSTARRS_g 220.45 2.02 18.042 0.010 AB
SDSS_r 324.11 5.83 17.623 0.020 AB
PanSTARRS_r 328.47 2.24 17.609 0.007 AB
DES_r 337.21 4.45 17.580 0.014 AB
SDSS_i 420.97 7.95 17.339 0.020 AB
PanSTARRS_i 394.86 2.76 17.409 0.008 AB
PanSTARRS_z 429.09 5.54 17.319 0.014 AB
SDSS_z 641.33 24.98 16.882 0.042 AB
DES_z 476.83 6.37 17.204 0.015 AB
PanSTARRS_y 524.76 13.62 17.100 0.028 AB
2MASS_J 332.14 212.8 16.702 0.696 Vega
2MASS_H 925.45 345.21 15.117 0.405 Vega
2MASS_K 521.04 341.54 15.270 0.712 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})\, 8.089 8.244 8.372
{\rm log}_{10}({\rm SFR}) -2.281 -1.735 -1.020
{\rm log}_{10}({\rm sSFR}) -10.512 -9.942 -9.207
{\rm stellar\ age} 3.680 6.290 7.583

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.782 -1.475 -1.029
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.573 -1.001 -0.179

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.254 0.582 1.224
\delta -0.377 0.053 0.287
\tau_1/\tau_2 0.648 1.014 1.362
Q_{PAH} 1.501 3.334 5.572
U_{min} 2.709 7.841 14.887
{\rm log}_{10}(\gamma_e)\, -2.833 -1.820 -0.867

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.928 -0.161 0.215
{\rm log}_{10}(\tau_{AGN})\, 1.005 1.500 1.899

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.202 -1.727 -1.102
0.03-0.10 Gyr -2.450 -1.790 -1.001
0.10-0.33 Gyr -2.425 -1.743 -1.092
0.33-1.08 Gyr -2.521 -1.782 -1.303
1.08-3.53 Gyr -2.199 -1.701 -1.435
3.53-11.60 Gyr -2.260 -1.703 -1.496
11.60-12.89 Gyr -2.430 -1.724 -1.245

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.756 9.816 9.906
{\rm log}_{10}({\rm SFR}) -0.590 -0.296 -0.033
{\rm log}_{10}({\rm sSFR}) -10.413 -10.142 -9.856
{\rm stellar\ age} 5.373 6.589 7.919

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.236 -0.641 -0.326
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.552 -0.161 0.223

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.048 0.272 0.652
\delta -0.198 0.225 0.357
\tau_1/\tau_2 0.719 1.068 1.438
Q_{PAH} 1.374 3.444 5.373
U_{min} 2.626 6.962 13.746
{\rm log}_{10}(\gamma_e)\, -3.041 -1.768 -0.541

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.386 -1.610 -0.894
{\rm log}_{10}(\tau_{AGN})\, 1.039 1.488 1.874

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.017 -0.665 -0.400
0.03-0.10 Gyr -0.562 -0.204 0.091
0.10-0.33 Gyr -0.303 -0.008 0.295
0.33-1.08 Gyr -0.402 -0.049 0.219
1.08-3.53 Gyr -0.490 -0.145 0.086
3.53-11.60 Gyr -0.360 -0.114 0.025
11.60-12.89 Gyr -0.511 -0.015 0.462