2025aghs

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Information

Transient

Name: AT2025aghs
Right ascension: 12h21m47.87s
Declination: -21d27m25.73s
Discovery Date: Dec. 9, 2025, 6:38 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name: 827998
Right ascension: 12h21m49.20s
Declination: -21d27m32.48s
Redshift: 0.025460
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.13
Transient MWEBV processed 0.13
Host match processed 4.85
Host information processed 0.12
Host MWEBV processed 0.05
Global aperture construction processed 0.98
Global aperture photometry processed 4.07
Validate global photometry processed 11.2
Global host SED inference processed 447.79
Local aperture photometry processed 4.0
Validate local photometry processed 0.02
Local host SED inference processed 654.59
 

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) = 12h21m47.87s, -21d27m25.73s
semi major axis, semi minor axis (arcsec) = 3.9, 3.9
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 245.55 1.15 17.925 0.005 AB
PanSTARRS_r 389.2 1.14 17.425 0.003 AB
PanSTARRS_i 436.0 1.4 17.301 0.003 AB
PanSTARRS_z 458.76 2.92 17.246 0.007 AB
PanSTARRS_y 540.63 5.92 17.068 0.012 AB
2MASS_J 1073.73 84.1 15.428 0.085 Vega
2MASS_H 1138.43 120.16 14.892 0.115 Vega
2MASS_K 528.95 151.32 15.254 0.311 Vega

Aperture details

RA, DEC (J2000) = 12h21m49.22s, -21d27m32.01s
semi major axis, semi minor axis (arcsec) = 30.34, 13.82
angle (degrees, anti-clockwise from east) = -80.36

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 255.73 16.19 17.881 0.069 AB
GALEX_NUV 331.78 8.43 17.598 0.028 AB
PanSTARRS_g 5079.45 5.95 14.635 0.001 AB
PanSTARRS_r 8006.27 5.88 14.141 0.001 AB
PanSTARRS_i 9879.05 7.21 13.913 0.001 AB
PanSTARRS_y 12676.58 29.33 13.642 0.003 AB
WISE_W1 5868.08 51.62 11.780 0.010 Vega
WISE_W2 3469.39 64.6 11.710 0.020 Vega
WISE_W3 8770.66 224.08 8.868 0.028 Vega
WISE_W4 6457.53 1177.55 7.755 0.198 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})\, 8.906 9.069 9.197
{\rm log}_{10}({\rm SFR}) -1.392 -0.788 -0.271
{\rm log}_{10}({\rm sSFR}) -10.487 -9.860 -9.249
{\rm stellar\ age} 4.849 7.241 9.110

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.747 -1.352 -0.892
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.889 -1.098 0.290

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.144 0.507 0.881
\delta -0.430 0.076 0.324
\tau_1/\tau_2 0.638 1.022 1.414
Q_{PAH} 0.403 1.637 3.393
U_{min} 2.768 7.697 14.733
{\rm log}_{10}(\gamma_e)\, -3.520 -2.642 -1.354

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.266 -2.375 -0.449
{\rm log}_{10}(\tau_{AGN})\, 0.872 1.309 1.840

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.244 -0.884 -0.540
0.03-0.10 Gyr -1.590 -0.770 -0.187
0.10-0.33 Gyr -1.801 -1.018 -0.402
0.33-1.10 Gyr -1.996 -1.223 -0.705
1.10-3.64 Gyr -1.828 -1.066 -0.739
3.64-12.07 Gyr -1.460 -0.896 -0.687
12.07-13.42 Gyr -1.463 -0.801 -0.157

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.432 10.507 10.644
{\rm log}_{10}({\rm SFR}) -0.858 -0.501 -0.205
{\rm log}_{10}({\rm sSFR}) -11.424 -11.026 -10.717
{\rm stellar\ age} 7.701 8.519 12.450

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.476 -1.192 -0.985
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.041 -0.368 0.143

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.057 0.109 0.189
\delta -0.723 -0.332 0.059
\tau_1/\tau_2 0.539 0.992 1.452
Q_{PAH} 1.004 2.310 4.560
U_{min} 3.205 8.780 16.557
{\rm log}_{10}(\gamma_e)\, -2.774 -1.878 -1.020

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.877 -2.682 -1.840
{\rm log}_{10}(\tau_{AGN})\, 1.169 1.673 1.981

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.799 -0.372 -0.095
0.03-0.10 Gyr -2.386 -0.708 -0.171
0.10-0.33 Gyr -3.437 -0.814 -0.207
0.33-1.10 Gyr -3.264 -0.633 -0.051
1.10-3.64 Gyr -2.673 -0.362 0.310
3.64-12.07 Gyr -0.521 0.610 0.768
12.07-13.42 Gyr 0.145 0.926 1.749