2025kgz

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Information

Transient

Name: AT2025kgz
Right ascension: 8h49m52.56s
Declination: 14d13m01.46s
Discovery Date: May 10, 2025, 4:24 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.033

Host

Name: 2025kgz
Right ascension: 8h49m53.20s
Declination: 14d12m59.72s
Redshift: 0.068717
Photometric Redshift: 0.068
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.19
Transient MWEBV processed 0.04
Host match processed 2.22
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.69
Global aperture photometry processed 7.6
Validate global photometry processed 20.41
Global host SED inference processed 411.07
Local aperture photometry processed 7.12
Validate local photometry processed 0.03
Local host SED inference processed 478.38
 

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) = 8h49m52.56s, 14d13m01.46s
semi major axis, semi minor axis (arcsec) = 1.52, 1.52
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 2.41 0.58 22.943 0.263 AB
DES_g 2.49 0.13 22.911 0.059 AB
PanSTARRS_g 2.18 0.4 23.053 0.201 AB
SDSS_r 4.64 0.87 22.234 0.203 AB
PanSTARRS_r 4.66 0.39 22.229 0.091 AB
DES_r 4.36 0.26 22.301 0.066 AB
SDSS_i 6.28 1.29 21.906 0.224 AB
PanSTARRS_i 6.82 0.54 21.816 0.086 AB
PanSTARRS_z 7.42 0.87 21.724 0.127 AB
SDSS_z 10.71 4.76 21.325 0.483 AB
DES_z 7.94 0.64 21.651 0.088 AB
PanSTARRS_y 7.51 3.09 21.711 0.447 AB

Aperture details

RA, DEC (J2000) = 8h49m53.19s, 14d12m59.73s
semi major axis, semi minor axis (arcsec) = 7.75, 6.75
angle (degrees, anti-clockwise from east) = -60.74

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 32.18 4.08 20.131 0.138 AB
GALEX_NUV 52.61 3.14 19.597 0.065 AB
SDSS_u 152.96 6.27 18.439 0.044 AB
SDSS_g 633.83 6.79 16.895 0.012 AB
DES_g 661.95 1.32 16.848 0.002 AB
PanSTARRS_g 649.37 1.99 16.869 0.003 AB
SDSS_r 1165.63 9.37 16.234 0.009 AB
PanSTARRS_r 1196.86 1.92 16.205 0.002 AB
DES_r 1285.74 3.03 16.127 0.003 AB
SDSS_i 1671.57 11.78 15.842 0.008 AB
PanSTARRS_i 1670.62 2.67 15.843 0.002 AB
PanSTARRS_z 1926.36 4.22 15.688 0.002 AB
SDSS_z 2135.64 25.16 15.576 0.013 AB
DES_z 2066.94 8.0 15.612 0.004 AB
PanSTARRS_y 2362.46 14.51 15.467 0.007 AB
2MASS_J 2844.97 142.63 14.370 0.054 Vega
2MASS_H 3255.6 226.09 13.751 0.075 Vega
2MASS_K 3622.91 232.08 13.165 0.070 Vega
WISE_W1 1372.1 24.24 13.358 0.019 Vega
WISE_W2 846.0 27.6 13.243 0.035 Vega
WISE_W3 2120.29 100.72 10.410 0.052 Vega
WISE_W4 2072.57 694.56 8.989 0.364 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})\, 8.104 8.324 8.503
{\rm log}_{10}({\rm SFR}) -1.978 -1.318 -0.587
{\rm log}_{10}({\rm sSFR}) -10.239 -9.688 -8.785
{\rm stellar\ age} 2.550 6.179 7.585

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.641 -1.139 -0.509
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.574 -0.596 0.210

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.904 1.470 2.122
\delta -0.006 0.202 0.332
\tau_1/\tau_2 0.717 1.071 1.404
Q_{PAH} 0.751 2.256 4.938
U_{min} 2.795 7.742 15.205
{\rm log}_{10}(\gamma_e)\, -2.866 -1.827 -0.612

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.117 -0.388 0.218
{\rm log}_{10}(\tau_{AGN})\, 1.149 1.478 1.860

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.114 -1.450 -0.836
0.03-0.10 Gyr -2.119 -1.377 -0.524
0.10-0.33 Gyr -2.306 -1.613 -0.936
0.33-1.08 Gyr -2.829 -1.800 -1.260
1.08-3.53 Gyr -2.659 -1.696 -1.368
3.53-11.56 Gyr -2.697 -1.634 -1.377
11.56-12.85 Gyr -2.830 -1.705 -1.121

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.604 10.636 10.703
{\rm log}_{10}({\rm SFR}) -0.100 0.087 0.284
{\rm log}_{10}({\rm sSFR}) -10.749 -10.549 -10.347
{\rm stellar\ age} 7.485 8.215 10.451

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.648 -0.508 -0.413
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.042 0.253 0.391

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.113 0.163 0.260
\delta -0.846 -0.585 -0.320
\tau_1/\tau_2 0.797 1.206 1.588
Q_{PAH} 0.840 2.144 3.866
U_{min} 2.140 6.711 13.818
{\rm log}_{10}(\gamma_e)\, -3.352 -2.165 -1.196

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.410 -3.527 -2.570
{\rm log}_{10}(\tau_{AGN})\, 1.073 1.525 1.894

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.121 0.026 0.156
0.03-0.10 Gyr -0.169 0.114 0.370
0.10-0.33 Gyr -0.259 0.054 0.306
0.33-1.08 Gyr -0.487 -0.095 0.157
1.08-3.53 Gyr -0.618 -0.006 0.349
3.53-11.56 Gyr 0.448 0.810 0.899
11.56-12.85 Gyr 0.590 1.082 1.666