2025ahwz

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Information

Transient

Name: AT2025ahwz
Right ascension: 12h35m16.60s
Declination: 30d21m38.68s
Discovery Date: Dec. 16, 2025, 12:46 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.018

Host

Name: 41919
Right ascension: 12h35m15.90s
Declination: 30d21m45.36s
Redshift: 0.051933
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.86
Transient MWEBV processed 0.1
Host match processed 4.71
Host information processed 0.09
Host MWEBV processed 0.06
Global aperture construction processed 0.68
Global aperture photometry processed 2.84
Validate global photometry processed 2.57
Global host SED inference processed 456.98
Local aperture photometry processed 4.95
Validate local photometry processed 0.03
Local host SED inference processed 444.45
 

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) = 12h35m16.60s, 30d21m38.68s
semi major axis, semi minor axis (arcsec) = 1.98, 1.98
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 9.06 1.78 21.507 0.214 AB
SDSS_g 19.84 1.24 20.656 0.068 AB
PanSTARRS_g 18.15 0.42 20.753 0.025 AB
SDSS_r 22.47 1.48 20.521 0.072 AB
PanSTARRS_r 25.91 0.48 20.366 0.020 AB
SDSS_i 28.1 1.89 20.278 0.073 AB
PanSTARRS_i 27.19 0.58 20.314 0.023 AB
PanSTARRS_z 22.98 1.36 20.497 0.064 AB
SDSS_z 36.85 7.12 19.984 0.210 AB
PanSTARRS_y 29.52 2.52 20.225 0.093 AB

Aperture details

RA, DEC (J2000) = 12h35m15.94s, 30d21m45.10s
semi major axis, semi minor axis (arcsec) = 23.46, 15.14
angle (degrees, anti-clockwise from east) = -171.83

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 406.28 3.07 17.378 0.008 AB
SDSS_z 2397.95 70.01 15.450 0.032 AB
PanSTARRS_y 3152.4 27.71 15.153 0.010 AB
2MASS_J 3995.4 367.78 14.001 0.100 Vega
2MASS_H 5033.02 566.8 13.278 0.122 Vega
2MASS_K 3238.35 649.86 13.286 0.218 Vega
WISE_W1 2225.49 121.29 12.832 0.059 Vega
WISE_W2 1417.55 92.36 12.682 0.071 Vega
WISE_W3 7479.16 304.83 9.041 0.044 Vega
WISE_W4 5580.26 1035.54 7.913 0.201 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})\, 7.988 8.204 8.373
{\rm log}_{10}({\rm SFR}) -1.779 -1.288 -0.619
{\rm log}_{10}({\rm sSFR}) -10.031 -9.480 -8.657
{\rm stellar\ age} 1.549 4.916 6.913

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.842 -1.515 -0.821
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.488 0.025 0.333

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.129 0.368 0.841
\delta -0.539 -0.133 0.242
\tau_1/\tau_2 0.745 1.106 1.469
Q_{PAH} 0.992 2.754 5.117
U_{min} 2.991 7.969 15.232
{\rm log}_{10}(\gamma_e)\, -2.986 -1.804 -0.743

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.854 -0.611 -0.034
{\rm log}_{10}(\tau_{AGN})\, 1.124 1.528 1.953

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.869 -1.461 -1.057
0.03-0.10 Gyr -1.892 -1.243 -0.497
0.10-0.33 Gyr -1.961 -1.249 -0.727
0.33-1.08 Gyr -2.665 -1.568 -1.196
1.08-3.57 Gyr -2.880 -1.761 -1.427
3.57-11.76 Gyr -3.270 -1.938 -1.549
11.76-13.06 Gyr -3.426 -1.998 -1.370

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.032 10.175 10.357
{\rm log}_{10}({\rm SFR}) 0.486 0.753 1.070
{\rm log}_{10}({\rm sSFR}) -9.809 -9.444 -9.017
{\rm stellar\ age} 3.452 5.857 7.726

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.438 -0.134 0.054
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.659 -0.009 0.335

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.162 0.288 0.482
\delta -0.313 0.055 0.286
\tau_1/\tau_2 0.574 0.903 1.235
Q_{PAH} 0.648 1.632 3.333
U_{min} 2.470 6.716 12.825
{\rm log}_{10}(\gamma_e)\, -3.475 -2.774 -2.034

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.372 -3.341 -2.339
{\rm log}_{10}(\tau_{AGN})\, 0.960 1.433 1.905

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.416 0.670 0.880
0.03-0.10 Gyr 0.320 0.773 1.188
0.10-0.33 Gyr -0.160 0.536 0.936
0.33-1.08 Gyr -0.389 0.327 0.674
1.08-3.57 Gyr -0.309 0.256 0.510
3.57-11.76 Gyr -0.441 0.148 0.456
11.76-13.06 Gyr -0.588 0.197 0.782