2025ahor

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Information

Transient

Name: AT2025ahor
Right ascension: 15h40m15.31s
Declination: 49d50m02.13s
Discovery Date: Dec. 19, 2025, 12:06 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.016

Host

Name: 2354833
Right ascension: 15h40m14.88s
Declination: 49d50m01.72s
Redshift: None
Photometric Redshift: 0.068
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 19.65
Transient MWEBV processed 0.09
Host match processed 4.66
Host information processed 0.11
Host MWEBV processed 0.13
Global aperture construction processed 0.66
Global aperture photometry processed 6.67
Validate global photometry processed 2.36
Global host SED inference processed 438.42
Local aperture photometry processed 5.94
Validate local photometry processed 0.03
Local host SED inference processed 481.79
 

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) = 15h40m15.31s, 49d50m02.13s
semi major axis, semi minor axis (arcsec) = 1.54, 1.54
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 5.24 1.39 22.102 0.288 AB
SDSS_g 15.44 1.09 20.929 0.077 AB
DES_g 15.52 0.29 20.923 0.021 AB
PanSTARRS_g 14.83 0.36 20.972 0.026 AB
SDSS_r 21.14 1.34 20.587 0.069 AB
PanSTARRS_r 21.92 0.5 20.548 0.025 AB
SDSS_i 27.78 1.76 20.291 0.069 AB
PanSTARRS_i 26.69 0.53 20.334 0.022 AB
PanSTARRS_z 29.77 1.05 20.216 0.038 AB
SDSS_z 29.24 4.19 20.235 0.156 AB
DES_z 30.67 1.07 20.183 0.038 AB
PanSTARRS_y 31.14 2.87 20.167 0.100 AB

Aperture details

RA, DEC (J2000) = 15h40m14.97s, 49d50m01.63s
semi major axis, semi minor axis (arcsec) = 10.67, 8.8
angle (degrees, anti-clockwise from east) = -36.58

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 53.78 6.09 19.573 0.123 AB
GALEX_NUV 78.04 3.72 19.169 0.052 AB
SDSS_u 115.96 8.48 18.739 0.079 AB
SDSS_g 277.32 5.0 17.793 0.020 AB
DES_g 294.25 1.32 17.728 0.005 AB
PanSTARRS_g 291.35 2.2 17.739 0.008 AB
SDSS_r 387.0 6.39 17.431 0.018 AB
PanSTARRS_r 395.22 3.04 17.408 0.008 AB
SDSS_i 469.14 9.02 17.222 0.021 AB
PanSTARRS_i 500.93 3.28 17.151 0.007 AB
PanSTARRS_z 533.47 6.52 17.082 0.013 AB
SDSS_z 499.74 25.65 17.153 0.056 AB
DES_z 513.34 4.73 17.124 0.010 AB
PanSTARRS_y 524.85 17.89 17.100 0.037 AB
2MASS_J 718.7 219.65 15.864 0.332 Vega
2MASS_H 927.88 337.61 15.114 0.395 Vega
2MASS_K 232.42 394.19 16.147 1.841 Vega
WISE_W1 238.61 21.38 15.257 0.097 Vega
WISE_W2 154.42 17.64 15.089 0.124 Vega
WISE_W3 476.65 55.32 12.031 0.126 Vega
WISE_W4 477.51 231.03 10.583 0.525 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})\, 8.386 8.578 8.703
{\rm log}_{10}({\rm SFR}) -2.413 -1.478 -0.665
{\rm log}_{10}({\rm sSFR}) -11.026 -10.118 -9.250
{\rm stellar\ age} 1.147 5.021 6.991

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.683 -1.170 -0.566
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.651 -0.832 0.067

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.156 0.525 1.055
\delta -0.377 -0.006 0.277
\tau_1/\tau_2 0.689 1.060 1.453
Q_{PAH} 1.221 3.097 5.273
U_{min} 3.041 8.503 16.283
{\rm log}_{10}(\gamma_e)\, -2.682 -1.471 -0.471

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.678 -0.396 0.132
{\rm log}_{10}(\tau_{AGN})\, 1.119 1.564 1.958

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.251 -1.994 -1.356
0.03-0.10 Gyr -2.626 -1.410 -0.522
0.10-0.33 Gyr -2.003 -1.115 -0.431
0.33-1.08 Gyr -2.140 -1.187 -0.710
1.08-3.53 Gyr -2.958 -1.353 -1.054
3.53-11.57 Gyr -3.917 -1.577 -1.192
11.57-12.86 Gyr -3.773 -1.624 -1.009

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.835 9.923 10.021
{\rm log}_{10}({\rm SFR}) -0.051 0.221 0.465
{\rm log}_{10}({\rm sSFR}) -9.993 -9.702 -9.446
{\rm stellar\ age} 6.817 7.633 10.305

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.629 -1.321 -1.029
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.800 -0.651 0.314

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.056 0.126 0.242
\delta -0.572 -0.169 0.146
\tau_1/\tau_2 0.561 0.990 1.405
Q_{PAH} 0.566 1.520 3.263
U_{min} 2.918 8.460 15.815
{\rm log}_{10}(\gamma_e)\, -2.707 -1.703 -0.906

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.709 -2.262 -1.596
{\rm log}_{10}(\tau_{AGN})\, 1.106 1.528 1.845

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.535 -0.826 -0.560
0.03-0.10 Gyr 0.084 0.373 0.622
0.10-0.33 Gyr -1.001 -0.021 0.287
0.33-1.08 Gyr -2.164 -0.560 -0.208
1.08-3.53 Gyr -1.921 -0.509 -0.140
3.53-11.57 Gyr -0.435 0.019 0.179
11.57-12.86 Gyr -0.346 0.273 1.006