2025xgk

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Information

Transient

Name: AT2025xgk
Right ascension: 21h48m19.07s
Declination: -34d57m09.11s
Discovery Date: Aug. 30, 2025, 8:27 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name: NGC7130
Right ascension: 21h48m19.49s
Declination: -34d57m04.73s
Redshift: 0.016151
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.61
Transient MWEBV processed 0.1
Host match processed 4.14
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.13
Global aperture photometry processed 0.69
Validate global photometry processed 0.84
Global host SED inference processed 570.19
Local aperture photometry processed 0.77
Validate local photometry processed 0.01
Local host SED inference processed 1626.66
 

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) = 21h48m19.07s, -34d57m09.11s
semi major axis, semi minor axis (arcsec) = 6.08, 6.08
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 248.73 4.0 17.911 0.017 AB
GALEX_NUV 624.59 3.56 16.911 0.006 AB
2MASS_J 19022.05 122.65 12.307 0.007 Vega
2MASS_H 24358.72 156.42 11.566 0.007 Vega
2MASS_K 22734.9 200.15 11.170 0.010 Vega
WISE_W1 5636.86 40.28 11.823 0.008 Vega

Aperture details

RA, DEC (J2000) = 21h48m19.45s, -34d57m06.14s
semi major axis, semi minor axis (arcsec) = 28.47, 23.42
angle (degrees, anti-clockwise from east) = -40.47

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1479.25 9.82 15.975 0.007 AB
GALEX_NUV 3381.77 8.46 15.077 0.003 AB
2MASS_J 107554.12 493.74 10.426 0.005 Vega
2MASS_H 134421.17 636.78 9.711 0.005 Vega
2MASS_K 121887.93 829.03 9.347 0.007 Vega
WISE_W1 73490.37 182.91 9.035 0.003 Vega
WISE_W2 61388.93 216.0 8.591 0.004 Vega
WISE_W3 443030.43 960.95 4.610 0.002 Vega
WISE_W4 1569649.78 12132.11 1.790 0.008 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})\, 9.967 10.156 10.254
{\rm log}_{10}({\rm SFR}) -0.954 -0.172 0.332
{\rm log}_{10}({\rm sSFR}) -10.975 -10.332 -9.812
{\rm stellar\ age} 3.568 7.209 8.773

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.884 -1.676 -1.238
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.298 -0.539 0.135

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.184 0.276 0.408
\delta -0.951 -0.835 -0.655
\tau_1/\tau_2 0.542 0.922 1.308
Q_{PAH} 0.093 0.374 0.995
U_{min} 2.583 7.519 14.583
{\rm log}_{10}(\gamma_e)\, -3.533 -2.930 -1.800

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.784 -2.357 -1.406
{\rm log}_{10}(\tau_{AGN})\, 1.308 1.696 1.997

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.482 -0.310 0.060
0.03-0.10 Gyr -1.209 -0.196 0.438
0.10-0.33 Gyr -0.992 -0.124 0.414
0.33-1.10 Gyr -0.882 -0.018 0.454
1.10-3.67 Gyr -0.675 0.070 0.498
3.67-12.19 Gyr -0.926 0.194 0.428
12.19-13.54 Gyr -0.876 0.242 0.842

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.546 10.828 10.991
{\rm log}_{10}({\rm SFR}) 0.907 1.340 1.753
{\rm log}_{10}({\rm sSFR}) -9.966 -9.472 -8.821
{\rm stellar\ age} 3.946 7.156 9.079

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.662 -0.175 0.081
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.453 -0.955 -0.279

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.392 0.635 0.944
\delta -0.525 -0.298 -0.131
\tau_1/\tau_2 0.365 0.786 1.192
Q_{PAH} 0.101 0.344 0.836
U_{min} 3.789 9.202 16.098
{\rm log}_{10}(\gamma_e)\, -1.968 -1.246 -0.349

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.174 -1.680 -1.233
{\rm log}_{10}(\tau_{AGN})\, 1.021 1.368 1.690

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.522 1.114 1.545
0.03-0.10 Gyr 0.421 1.360 1.865
0.10-0.33 Gyr -0.450 0.609 1.223
0.33-1.10 Gyr -0.682 0.433 1.041
1.10-3.67 Gyr -0.286 0.609 1.005
3.67-12.19 Gyr -0.099 0.776 1.087
12.19-13.54 Gyr -0.106 0.892 1.612