2025ahwh

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Information

Transient

Name: AT2025ahwh
Right ascension: 1h35m36.92s
Declination: -0d08m07.83s
Discovery Date: Dec. 19, 2025, 3:51 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name:
Right ascension: 1h35m36.89s
Declination: -0d08m08.22s
Redshift: 0.105450
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.45
Transient MWEBV processed 0.06
Host match processed 5.91
Host information processed 0.04
Host MWEBV processed 0.06
Global aperture construction processed 0.67
Global aperture photometry processed 6.45
Validate global photometry processed 2.57
Global host SED inference processed 402.5
Local aperture photometry processed 6.48
Validate local photometry processed 0.03
Local host SED inference processed 663.18
 

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) = 1h35m36.92s, -0d08m07.83s
semi major axis, semi minor axis (arcsec) = 1.04, 1.04
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 74.04 1.02 19.226 0.015 AB
PanSTARRS_y 64.92 2.03 19.369 0.034 AB

Aperture details

RA, DEC (J2000) = 1h35m36.87s, -0d08m08.10s
semi major axis, semi minor axis (arcsec) = 5.19, 3.82
angle (degrees, anti-clockwise from east) = -53.91

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.25 0.67 21.179 0.059 AB
GALEX_NUV 19.85 0.54 20.656 0.029 AB
SDSS_u 39.06 3.54 19.921 0.098 AB
SDSS_g 110.7 3.0 18.790 0.029 AB
DES_g 114.51 0.41 18.753 0.004 AB
PanSTARRS_g 118.71 1.06 18.714 0.010 AB
SDSS_r 166.29 3.94 18.348 0.026 AB
PanSTARRS_r 166.71 1.38 18.345 0.009 AB
DES_r 173.12 0.57 18.304 0.004 AB
SDSS_i 214.33 5.05 18.072 0.026 AB
PanSTARRS_i 216.65 1.5 18.061 0.008 AB
PanSTARRS_z 230.16 3.03 17.995 0.014 AB
SDSS_z 246.11 12.53 17.922 0.055 AB
DES_z 242.12 1.98 17.940 0.009 AB
PanSTARRS_y 272.57 8.53 17.811 0.034 AB
2MASS_J 175.52 109.1 17.394 0.675 Vega
2MASS_H 234.46 157.43 16.607 0.729 Vega
2MASS_K 219.34 209.37 16.209 1.036 Vega
WISE_W1 128.68 9.24 15.927 0.078 Vega
WISE_W2 100.83 12.29 15.552 0.132 Vega
WISE_W3 359.36 68.45 12.337 0.207 Vega
WISE_W4 710.67 358.95 10.151 0.548 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})\, 8.836 9.251 9.494
{\rm log}_{10}({\rm SFR}) -0.397 -0.016 0.312
{\rm log}_{10}({\rm sSFR}) -9.731 -9.248 -8.650
{\rm stellar\ age} 1.573 5.801 8.159

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.774 -1.218 -0.316
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.367 -0.768 0.064

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.227 0.463 0.739
\delta -0.815 -0.372 0.045
\tau_1/\tau_2 0.440 0.893 1.335
Q_{PAH} 0.512 1.822 4.126
U_{min} 3.126 8.370 15.999
{\rm log}_{10}(\gamma_e)\, -3.448 -2.534 -0.863

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.151 -1.501 -0.466
{\rm log}_{10}(\tau_{AGN})\, 1.034 1.434 1.870

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.217 0.224 0.567
0.03-0.10 Gyr -2.035 -0.485 0.231
0.10-0.32 Gyr -2.817 -0.874 -0.114
0.32-1.06 Gyr -3.049 -0.961 -0.251
1.06-3.43 Gyr -3.001 -0.965 -0.430
3.43-11.15 Gyr -2.664 -0.878 -0.402
11.15-12.39 Gyr -2.576 -0.793 0.107

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.734 9.803 9.874
{\rm log}_{10}({\rm SFR}) -0.305 -0.038 0.229
{\rm log}_{10}({\rm sSFR}) -10.140 -9.846 -9.557
{\rm stellar\ age} 4.247 5.434 6.401

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.957 -0.604 -0.355
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.444 -0.239 0.182

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.117 0.208 0.351
\delta -0.723 -0.345 -0.006
\tau_1/\tau_2 0.775 1.089 1.387
Q_{PAH} 0.586 1.581 3.060
U_{min} 2.618 7.447 13.853
{\rm log}_{10}(\gamma_e)\, -2.502 -1.546 -0.586

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.055 -2.761 -1.844
{\rm log}_{10}(\tau_{AGN})\, 0.976 1.453 1.864

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.465 -0.302 -0.154
0.03-0.10 Gyr -0.287 0.037 0.351
0.10-0.32 Gyr 0.133 0.357 0.567
0.32-1.06 Gyr -0.050 0.189 0.373
1.06-3.43 Gyr -0.285 -0.047 0.145
3.43-11.15 Gyr -0.416 -0.170 -0.021
11.15-12.39 Gyr -0.684 -0.171 0.223