2025ahsf

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Information

Transient

Name: AT2025ahsf
Right ascension: 15h17m43.41s
Declination: 26d42m13.59s
Discovery Date: Dec. 16, 2025, 12:29 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.029

Host

Name:
Right ascension: 15h17m43.24s
Declination: 26d42m12.73s
Redshift: 0.076893
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.97
Transient MWEBV processed 0.03
Host match processed 5.52
Host information processed 0.1
Host MWEBV processed 0.05
Global aperture construction processed 0.64
Global aperture photometry processed 6.35
Validate global photometry processed 3.26
Global host SED inference processed 535.56
Local aperture photometry processed 6.28
Validate local photometry processed 0.03
Local host SED inference processed 467.64
 

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) = 15h17m43.41s, 26d42m13.59s
semi major axis, semi minor axis (arcsec) = 1.37, 1.37
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 22.55 0.25 20.517 0.012 AB
PanSTARRS_g 20.77 0.31 20.606 0.016 AB
SDSS_r 30.63 1.56 20.185 0.055 AB
PanSTARRS_r 31.31 0.38 20.161 0.013 AB
DES_r 35.45 0.55 20.026 0.017 AB
SDSS_i 40.98 1.94 19.869 0.051 AB
PanSTARRS_i 37.62 0.47 19.961 0.014 AB
PanSTARRS_z 39.18 0.99 19.917 0.027 AB
SDSS_z 47.44 5.66 19.710 0.130 AB
PanSTARRS_y 46.81 1.92 19.724 0.045 AB

Aperture details

RA, DEC (J2000) = 15h17m43.21s, 26d42m12.82s
semi major axis, semi minor axis (arcsec) = 12.18, 11.63
angle (degrees, anti-clockwise from east) = -106.42

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 84.53 8.33 19.082 0.107 AB
GALEX_NUV 111.83 4.63 18.779 0.045 AB
SDSS_u 306.53 10.89 17.684 0.039 AB
SDSS_g 472.4 6.38 17.214 0.015 AB
DES_g 489.66 1.46 17.175 0.003 AB
PanSTARRS_g 480.09 2.61 17.197 0.006 AB
SDSS_r 578.65 8.28 16.994 0.016 AB
PanSTARRS_r 644.6 3.18 16.877 0.005 AB
DES_r 701.38 2.96 16.785 0.005 AB
SDSS_i 812.35 11.58 16.626 0.015 AB
PanSTARRS_i 782.77 3.96 16.666 0.005 AB
PanSTARRS_z 799.34 8.5 16.643 0.012 AB
SDSS_z 782.4 47.61 16.666 0.066 AB
PanSTARRS_y 956.86 16.57 16.448 0.019 AB
2MASS_J 1265.18 249.32 15.250 0.214 Vega
2MASS_H 1167.74 435.2 14.864 0.405 Vega
2MASS_K 854.53 381.05 14.733 0.484 Vega
WISE_W1 481.23 16.72 14.495 0.038 Vega
WISE_W2 306.42 21.07 14.345 0.075 Vega
WISE_W3 1348.19 76.62 10.902 0.062 Vega
WISE_W4 1434.92 436.41 9.388 0.330 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})\, 8.486 8.734 8.875
{\rm log}_{10}({\rm SFR}) -1.813 -1.003 -0.350
{\rm log}_{10}({\rm sSFR}) -10.606 -9.771 -8.955
{\rm stellar\ age} 1.286 4.273 6.317

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.532 -0.851 -0.208
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.602 -0.484 0.288

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.126 0.404 0.784
\delta -0.736 -0.374 0.061
\tau_1/\tau_2 0.708 1.107 1.493
Q_{PAH} 1.142 3.210 5.645
U_{min} 3.256 8.483 15.857
{\rm log}_{10}(\gamma_e)\, -2.587 -1.525 -0.405

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.215 -0.564 -0.066
{\rm log}_{10}(\tau_{AGN})\, 0.995 1.498 1.992

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.926 -1.343 -0.866
0.03-0.10 Gyr -2.069 -0.986 -0.222
0.10-0.33 Gyr -1.668 -0.709 -0.152
0.33-1.07 Gyr -1.751 -0.860 -0.452
1.07-3.50 Gyr -2.403 -1.220 -0.862
3.50-11.47 Gyr -2.997 -1.480 -1.060
11.47-12.74 Gyr -3.073 -1.556 -0.911

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.332 9.572 9.773
{\rm log}_{10}({\rm SFR}) 0.973 1.126 1.291
{\rm log}_{10}({\rm sSFR}) -8.780 -8.470 -8.057
{\rm stellar\ age} 0.693 3.964 5.944

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.331 -0.175 -0.069
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.231 0.343 0.434

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.150 0.204 0.263
\delta -0.903 -0.733 -0.567
\tau_1/\tau_2 0.626 1.108 1.560
Q_{PAH} 0.269 0.661 1.312
U_{min} 2.126 6.348 12.631
{\rm log}_{10}(\gamma_e)\, -3.735 -3.310 -2.723

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.410 -3.595 -2.699
{\rm log}_{10}(\tau_{AGN})\, 1.009 1.502 1.913

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.183 0.332 0.468
0.03-0.10 Gyr 1.109 1.267 1.438
0.10-0.33 Gyr -1.653 -0.185 0.580
0.33-1.07 Gyr -2.365 -0.693 -0.111
1.07-3.50 Gyr -2.189 -0.606 -0.129
3.50-11.47 Gyr -2.281 -0.697 -0.252
11.47-12.74 Gyr -2.169 -0.664 0.002