2025xgc

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Information

Transient

Name: AT2025xgc
Right ascension: 15h05m40.66s
Declination: 24d48m13.19s
Discovery Date: Sept. 11, 2025, 5:28 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.038

Host

Name:
Right ascension: 15h05m40.76s
Declination: 24d48m16.63s
Redshift: None
Photometric Redshift: 0.077
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 19.58
Transient MWEBV processed 0.09
Host match processed 6.11
Host information processed 0.13
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 6.1
Validate global photometry processed 16.43
Global host SED inference processed 500.71
Local aperture photometry processed 6.53
Validate local photometry processed 0.03
Local host SED inference processed 486.13
 

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) = 15h05m40.66s, 24d48m13.19s
semi major axis, semi minor axis (arcsec) = 1.38, 1.38
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 9.03 0.2 21.510 0.024 AB
PanSTARRS_g 7.63 0.34 21.694 0.048 AB
SDSS_r 9.77 0.98 21.426 0.109 AB
PanSTARRS_r 9.66 0.4 21.438 0.045 AB
DES_r 11.86 0.45 21.215 0.041 AB
SDSS_i 11.81 1.29 21.220 0.119 AB
PanSTARRS_i 11.66 0.65 21.233 0.060 AB
PanSTARRS_z 11.39 1.09 21.259 0.104 AB
SDSS_z 9.88 3.92 21.413 0.430 AB
DES_z 12.8 1.2 21.132 0.102 AB
PanSTARRS_y 13.01 1.79 21.115 0.149 AB

Aperture details

RA, DEC (J2000) = 15h05m40.76s, 24d48m16.75s
semi major axis, semi minor axis (arcsec) = 7.21, 5.87
angle (degrees, anti-clockwise from east) = -124.88

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 61.86 4.99 19.421 0.088 AB
SDSS_g 121.58 3.43 18.688 0.031 AB
DES_g 124.86 0.81 18.659 0.007 AB
PanSTARRS_g 124.15 1.58 18.665 0.014 AB
SDSS_r 156.99 4.23 18.410 0.029 AB
PanSTARRS_r 144.94 1.88 18.497 0.014 AB
DES_r 166.69 1.8 18.345 0.012 AB
SDSS_i 175.92 5.68 18.287 0.035 AB
PanSTARRS_i 183.47 3.04 18.241 0.018 AB
PanSTARRS_z 187.06 5.1 18.220 0.030 AB
SDSS_z 95.3 18.34 18.952 0.209 AB
DES_z 199.11 5.08 18.152 0.028 AB
PanSTARRS_y 171.55 8.37 18.314 0.053 AB
2MASS_J 339.3 165.83 16.679 0.531 Vega
2MASS_H 427.51 261.79 15.955 0.665 Vega
2MASS_K 289.12 290.25 15.909 1.090 Vega
WISE_W1 91.32 10.15 16.300 0.121 Vega
WISE_W2 62.25 12.99 16.076 0.227 Vega
WISE_W3 69.85 49.18 14.116 0.764 Vega
WISE_W4 181.74 331.44 11.631 1.980 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})\, 7.794 8.013 8.193
{\rm log}_{10}({\rm SFR}) -1.906 -0.968 -0.108
{\rm log}_{10}({\rm sSFR}) -9.963 -9.017 -7.938
{\rm stellar\ age} 0.116 1.402 5.063

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.709 -1.199 -0.405
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.660 -0.827 0.134

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.154 0.452 1.044
\delta -0.600 -0.197 0.175
\tau_1/\tau_2 0.626 1.078 1.532
Q_{PAH} 1.023 3.038 5.559
U_{min} 3.539 9.248 17.837
{\rm log}_{10}(\gamma_e)\, -2.846 -1.633 -0.511

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.701 -0.314 0.195
{\rm log}_{10}(\tau_{AGN})\, 1.107 1.494 1.973

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.874 -1.703 -1.275
0.03-0.10 Gyr -2.043 -0.873 0.049
0.10-0.33 Gyr -2.937 -1.166 -0.509
0.33-1.07 Gyr -4.581 -1.895 -1.103
1.07-3.50 Gyr -6.296 -2.813 -1.688
3.50-11.47 Gyr -7.308 -3.243 -1.961
11.47-12.74 Gyr -7.567 -3.056 -1.779

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.123 9.324 9.466
{\rm log}_{10}({\rm SFR}) -1.026 -0.299 0.283
{\rm log}_{10}({\rm sSFR}) -10.381 -9.629 -9.013
{\rm stellar\ age} 1.762 4.358 6.218

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.777 -1.413 -0.949
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.827 -0.960 0.271

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.107 0.207 0.334
\delta -0.824 -0.428 0.088
\tau_1/\tau_2 0.725 1.128 1.519
Q_{PAH} 1.101 2.795 4.855
U_{min} 2.491 7.905 15.513
{\rm log}_{10}(\gamma_e)\, -3.120 -2.196 -0.889

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.825 -2.312 -1.577
{\rm log}_{10}(\tau_{AGN})\, 1.008 1.433 1.892

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.223 -0.812 -0.568
0.03-0.10 Gyr -1.122 -0.197 0.433
0.10-0.33 Gyr -0.399 0.156 0.534
0.33-1.07 Gyr -1.251 -0.278 0.089
1.07-3.50 Gyr -1.624 -0.637 -0.263
3.50-11.47 Gyr -2.035 -0.879 -0.503
11.47-12.74 Gyr -2.136 -0.890 -0.279