2025agwh

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Information

Transient

Name: AT2025agwh
Right ascension: 4h22m49.93s
Declination: -26d24m58.67s
Discovery Date: Dec. 13, 2025, 7:53 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.039

Host

Name:
Right ascension: 4h22m50.37s
Declination: -26d25m06.02s
Redshift: None
Photometric Redshift: 0.081
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.11
Transient MWEBV processed 0.14
Host match processed 6.35
Host information processed 0.15
Host MWEBV processed 0.05
Global aperture construction processed 0.61
Global aperture photometry processed 4.12
Validate global photometry processed 10.67
Global host SED inference processed 395.32
Local aperture photometry processed 3.83
Validate local photometry processed 0.02
Local host SED inference processed 448.96
 

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) = 4h22m49.93s, -26d24m58.67s
semi major axis, semi minor axis (arcsec) = 1.32, 1.32
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 2.22 0.33 23.035 0.162 AB
PanSTARRS_r 5.07 0.42 22.137 0.090 AB
PanSTARRS_i 5.37 0.46 22.075 0.092 AB
PanSTARRS_z 6.45 1.19 21.876 0.201 AB
PanSTARRS_y 9.92 2.85 21.408 0.312 AB

Aperture details

RA, DEC (J2000) = 4h22m50.36s, -26d25m05.77s
semi major axis, semi minor axis (arcsec) = 18.3, 8.26
angle (degrees, anti-clockwise from east) = -86.97

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 49.9 6.93 19.655 0.151 AB
GALEX_NUV 68.47 5.47 19.311 0.087 AB
PanSTARRS_g 570.19 3.1 17.010 0.006 AB
PanSTARRS_r 939.74 3.88 16.467 0.004 AB
PanSTARRS_i 1295.6 4.2 16.119 0.004 AB
PanSTARRS_z 1485.32 11.21 15.970 0.008 AB
PanSTARRS_y 1831.61 26.21 15.743 0.016 AB
2MASS_J 1932.18 350.86 14.790 0.197 Vega
2MASS_H 3108.32 446.67 13.801 0.156 Vega
2MASS_K 2550.81 603.83 13.546 0.257 Vega
WISE_W1 1196.31 22.36 13.506 0.020 Vega
WISE_W2 797.04 29.82 13.307 0.041 Vega
WISE_W3 2389.39 120.37 10.280 0.055 Vega
WISE_W4 2064.59 646.21 8.993 0.340 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})\, 8.005 8.310 8.514
{\rm log}_{10}({\rm SFR}) -1.821 -1.174 -0.639
{\rm log}_{10}({\rm sSFR}) -10.188 -9.484 -8.789
{\rm stellar\ age} 2.130 5.619 7.046

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.444 -0.625 -0.102
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.594 -0.645 0.253

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.692 1.227 1.783
\delta -0.164 0.127 0.304
\tau_1/\tau_2 0.660 0.997 1.351
Q_{PAH} 1.146 2.931 5.129
U_{min} 2.769 7.696 14.913
{\rm log}_{10}(\gamma_e)\, -2.697 -1.697 -0.769

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.422 -0.393 0.171
{\rm log}_{10}(\tau_{AGN})\, 1.026 1.509 1.922

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.860 -1.124 -0.573
0.03-0.10 Gyr -2.113 -1.349 -0.688
0.10-0.33 Gyr -2.119 -1.460 -0.890
0.33-1.07 Gyr -2.243 -1.567 -1.154
1.07-3.49 Gyr -2.456 -1.636 -1.318
3.49-11.42 Gyr -2.862 -1.708 -1.372
11.42-12.69 Gyr -3.116 -1.771 -1.219

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.571 10.618 10.662
{\rm log}_{10}({\rm SFR}) 0.151 0.352 0.610
{\rm log}_{10}({\rm sSFR}) -10.475 -10.265 -10.003
{\rm stellar\ age} 6.661 7.348 8.563

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.341 -0.218 -0.118
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.386 0.158 0.344

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.085 0.134 0.213
\delta -0.752 -0.395 -0.031
\tau_1/\tau_2 0.786 1.148 1.503
Q_{PAH} 1.509 3.135 4.843
U_{min} 2.299 7.171 14.095
{\rm log}_{10}(\gamma_e)\, -2.750 -1.536 -0.751

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.976 -2.745 -1.753
{\rm log}_{10}(\tau_{AGN})\, 1.164 1.610 1.958

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.158 0.175 0.354
0.03-0.10 Gyr 0.109 0.411 0.739
0.10-0.33 Gyr 0.132 0.428 0.675
0.33-1.07 Gyr 0.027 0.320 0.518
1.07-3.49 Gyr 0.093 0.441 0.693
3.49-11.42 Gyr 0.609 0.768 0.867
11.42-12.69 Gyr 0.451 0.891 1.355