2025xhx

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Information

Transient

Name: AT2025xhx
Right ascension: 15h39m34.61s
Declination: 23d11m54.22s
Discovery Date: Sept. 3, 2025, 5:48 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.047

Host

Name: 55721
Right ascension: 15h39m34.90s
Declination: 23d11m56.95s
Redshift: 0.038306
Photometric Redshift: 0.039
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.57
Transient MWEBV processed 0.06
Host match processed 4.56
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 6.22
Validate global photometry processed 16.87
Global host SED inference processed 457.94
Local aperture photometry processed 6.57
Validate local photometry processed 0.02
Local host SED inference processed 422.96
 

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) = 15h39m34.61s, 23d11m54.22s
semi major axis, semi minor axis (arcsec) = 2.63, 2.63
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 14.63 3.72 20.987 0.276 AB
SDSS_g 72.69 3.03 19.246 0.045 AB
DES_g 74.43 0.39 19.221 0.006 AB
PanSTARRS_g 78.3 0.68 19.166 0.009 AB
SDSS_r 114.19 3.52 18.756 0.033 AB
PanSTARRS_r 121.16 0.75 18.692 0.007 AB
DES_r 126.91 0.84 18.641 0.007 AB
SDSS_i 149.35 4.19 18.465 0.030 AB
PanSTARRS_i 151.42 0.75 18.450 0.005 AB
PanSTARRS_z 178.9 2.27 18.268 0.014 AB
SDSS_z 166.47 9.38 18.347 0.061 AB
DES_z 184.71 2.85 18.234 0.017 AB
PanSTARRS_y 214.64 4.22 18.071 0.021 AB

Aperture details

RA, DEC (J2000) = 15h39m34.91s, 23d11m53.37s
semi major axis, semi minor axis (arcsec) = 27.18, 15.95
angle (degrees, anti-clockwise from east) = -25.53

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 179.18 10.84 18.267 0.066 AB
GALEX_NUV 200.29 6.24 18.146 0.034 AB
SDSS_u 320.13 29.11 17.637 0.099 AB
SDSS_g 1325.25 19.41 16.094 0.016 AB
DES_g 1416.78 2.14 16.022 0.002 AB
PanSTARRS_g 1348.18 5.24 16.076 0.004 AB
SDSS_r 1960.74 21.16 15.669 0.012 AB
PanSTARRS_r 2080.18 5.79 15.605 0.003 AB
DES_r 2268.68 4.18 15.511 0.002 AB
SDSS_i 2691.48 25.96 15.325 0.010 AB
PanSTARRS_i 2597.17 5.77 15.364 0.002 AB
SDSS_z 3214.79 71.51 15.132 0.024 AB
DES_z 3186.58 13.66 15.142 0.005 AB
2MASS_K 3121.13 872.72 13.326 0.304 Vega
WISE_W2 1336.08 46.36 12.746 0.038 Vega
WISE_W3 4374.54 139.29 9.624 0.035 Vega
WISE_W4 4892.09 833.11 8.056 0.185 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})\, 8.832 8.967 9.097
{\rm log}_{10}({\rm SFR}) -1.633 -1.147 -0.718
{\rm log}_{10}({\rm sSFR}) -10.623 -10.131 -9.612
{\rm stellar\ age} 4.019 6.330 8.000

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.564 -1.038 -0.554
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.645 -1.003 -0.195

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.235 0.606 0.934
\delta -0.494 -0.092 0.196
\tau_1/\tau_2 0.679 1.010 1.374
Q_{PAH} 1.015 2.927 5.116
U_{min} 2.812 7.924 14.479
{\rm log}_{10}(\gamma_e)\, -3.257 -2.311 -0.964

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.895 -2.041 -0.688
{\rm log}_{10}(\tau_{AGN})\, 0.933 1.400 1.866

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.499 -1.128 -0.809
0.03-0.10 Gyr -1.865 -1.187 -0.675
0.10-0.33 Gyr -1.810 -1.066 -0.538
0.33-1.09 Gyr -1.577 -0.911 -0.501
1.09-3.61 Gyr -1.390 -0.956 -0.688
3.61-11.92 Gyr -1.501 -1.005 -0.758
11.92-13.24 Gyr -1.690 -1.008 -0.496

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.283 10.350 10.448
{\rm log}_{10}({\rm SFR}) -0.380 -0.176 0.072
{\rm log}_{10}({\rm sSFR}) -10.741 -10.527 -10.261
{\rm stellar\ age} 7.773 9.153 12.250

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.915 -0.741 -0.603
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.515 -1.390 -1.182

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.127 0.224 0.366
\delta -0.094 0.202 0.346
\tau_1/\tau_2 0.289 0.659 1.119
Q_{PAH} 0.746 1.956 3.663
U_{min} 2.713 7.710 14.517
{\rm log}_{10}(\gamma_e)\, -3.189 -2.418 -1.654

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.295 -3.233 -2.013
{\rm log}_{10}(\tau_{AGN})\, 1.033 1.556 1.937

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.050 0.124 0.291
0.03-0.10 Gyr -1.778 -0.497 0.000
0.10-0.33 Gyr -2.666 -0.810 -0.257
0.33-1.09 Gyr -2.399 -0.791 -0.243
1.09-3.61 Gyr -2.241 -0.615 0.051
3.61-11.92 Gyr -0.677 0.405 0.560
11.92-13.24 Gyr 0.360 0.990 1.552