2025aghd

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Information

Transient

Name: AT2025aghd
Right ascension: 3h17m03.92s
Declination: 15d29m01.49s
Discovery Date: Dec. 8, 2025, 9:46 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.136

Host

Name: PGC012195
Right ascension: 3h17m04.46s
Declination: 15d29m04.31s
Redshift: 0.015181
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.98
Transient MWEBV processed 0.04
Host match processed 4.32
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 4.1
Validate global photometry processed 11.32
Global host SED inference processed 394.25
Local aperture photometry processed 4.0
Validate local photometry processed 0.02
Local host SED inference processed 846.94
 

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) = 3h17m03.92s, 15d29m01.49s
semi major axis, semi minor axis (arcsec) = 6.46, 6.46
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 79.43 8.44 19.150 0.115 AB
GALEX_NUV 100.39 5.49 18.896 0.059 AB
PanSTARRS_g 1040.36 2.14 16.357 0.002 AB
PanSTARRS_r 1749.45 2.49 15.793 0.002 AB
PanSTARRS_i 2268.94 3.13 15.510 0.001 AB
PanSTARRS_z 2750.42 5.37 15.302 0.002 AB
PanSTARRS_y 3519.11 11.17 15.034 0.003 AB
2MASS_J 3724.49 158.27 14.077 0.046 Vega
2MASS_H 4863.52 227.27 13.315 0.051 Vega
2MASS_K 4148.3 258.1 13.018 0.068 Vega
WISE_W1 1111.4 20.11 13.586 0.020 Vega

Aperture details

RA, DEC (J2000) = 3h17m04.37s, 15d29m03.29s
semi major axis, semi minor axis (arcsec) = 28.68, 11.01
angle (degrees, anti-clockwise from east) = -135.15

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 275.13 15.71 17.801 0.062 AB
GALEX_NUV 371.2 11.15 17.476 0.033 AB
PanSTARRS_g 4253.79 5.75 14.828 0.001 AB
PanSTARRS_r 7507.88 6.72 14.211 0.001 AB
PanSTARRS_i 9797.97 8.55 13.922 0.001 AB
PanSTARRS_z 11812.84 14.52 13.719 0.001 AB
PanSTARRS_y 14926.02 30.49 13.465 0.002 AB
2MASS_J 17247.69 440.22 12.413 0.028 Vega
2MASS_H 20942.41 632.01 11.730 0.033 Vega
2MASS_K 17762.0 719.54 11.438 0.044 Vega
WISE_W1 10512.04 71.72 11.147 0.007 Vega
WISE_W2 6828.7 78.78 10.975 0.013 Vega
WISE_W3 36562.42 312.96 7.318 0.009 Vega
WISE_W4 41470.11 2454.68 5.736 0.064 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})\, 9.364 9.448 9.544
{\rm log}_{10}({\rm SFR}) -0.793 -0.569 -0.355
{\rm log}_{10}({\rm sSFR}) -10.276 -10.018 -9.770
{\rm stellar\ age} 7.603 8.677 11.309

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.108 -0.882 -0.721
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.139 0.012 0.147

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.078 0.138 0.239
\delta -0.768 -0.453 -0.176
\tau_1/\tau_2 0.866 1.210 1.560
Q_{PAH} 0.097 0.372 1.004
U_{min} 2.302 7.356 14.121
{\rm log}_{10}(\gamma_e)\, -3.353 -2.651 -1.857

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.388 -3.419 -2.394
{\rm log}_{10}(\tau_{AGN})\, 1.178 1.648 2.018

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.085 -0.931 -0.785
0.03-0.10 Gyr -0.743 -0.464 -0.229
0.10-0.33 Gyr -1.528 -0.931 -0.584
0.33-1.10 Gyr -1.907 -1.282 -0.922
1.10-3.67 Gyr -2.085 -1.214 -0.726
3.67-12.20 Gyr -0.894 -0.471 -0.329
12.20-13.56 Gyr -0.657 -0.080 0.529

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.972 10.040 10.133
{\rm log}_{10}({\rm SFR}) 0.060 0.280 0.503
{\rm log}_{10}({\rm sSFR}) -10.016 -9.775 -9.526
{\rm stellar\ age} 6.293 7.301 8.414

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.773 -0.520 -0.279
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.599 -0.075 0.238

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.331 0.508 0.687
\delta -0.100 0.083 0.212
\tau_1/\tau_2 0.684 1.043 1.410
Q_{PAH} 0.713 1.398 2.711
U_{min} 2.313 6.159 12.564
{\rm log}_{10}(\gamma_e)\, -3.473 -2.509 -1.855

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.111 -2.333 -1.851
{\rm log}_{10}(\tau_{AGN})\, 0.996 1.398 1.836

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.329 0.025 0.212
0.03-0.10 Gyr 0.090 0.365 0.614
0.10-0.33 Gyr -0.169 0.156 0.426
0.33-1.10 Gyr -0.434 -0.070 0.173
1.10-3.67 Gyr -0.317 -0.009 0.194
3.67-12.20 Gyr -0.054 0.120 0.258
12.20-13.56 Gyr -0.206 0.236 0.660