2025xhy

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Information

Transient

Name: AT2025xhy
Right ascension: 18h25m46.92s
Declination: 29d00m05.98s
Discovery Date: Sept. 7, 2025, 4:53 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.088

Host

Name:
Right ascension: 18h25m46.73s
Declination: 29d00m06.68s
Redshift: None
Photometric Redshift: 0.092
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.79
Transient MWEBV processed 0.08
Host match processed 5.88
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 5.01
Validate global photometry processed 13.13
Global host SED inference processed 755.25
Local aperture photometry processed 5.37
Validate local photometry processed 0.02
Local host SED inference processed 418.94
 

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) = 18h25m46.92s, 29d00m05.98s
semi major axis, semi minor axis (arcsec) = 1.17, 1.17
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 11.43 0.2 21.255 0.019 AB
DES_r 19.17 0.54 20.694 0.030 AB
PanSTARRS_i 23.35 0.33 20.479 0.015 AB
PanSTARRS_z 20.58 0.92 20.616 0.048 AB
DES_z 25.76 2.52 20.373 0.106 AB
PanSTARRS_y 20.46 2.16 20.623 0.115 AB

Aperture details

RA, DEC (J2000) = 18h25m46.72s, 29d00m06.90s
semi major axis, semi minor axis (arcsec) = 9.06, 5.27
angle (degrees, anti-clockwise from east) = -74.66

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 142.52 0.81 18.515 0.006 AB
PanSTARRS_g 132.16 1.58 18.597 0.013 AB
PanSTARRS_r 221.72 2.25 18.036 0.011 AB
DES_r 244.88 2.11 17.928 0.009 AB
PanSTARRS_i 312.38 1.91 17.663 0.007 AB
PanSTARRS_z 320.19 5.35 17.636 0.018 AB
DES_z 344.59 10.15 17.557 0.032 AB
PanSTARRS_y 234.68 12.66 17.974 0.059 AB
2MASS_J 378.01 167.13 16.561 0.480 Vega
2MASS_H 412.77 218.99 15.993 0.576 Vega
2MASS_K 83.35 311.23 17.260 4.054 Vega
WISE_W2 175.83 22.61 14.948 0.140 Vega
WISE_W3 572.7 72.05 11.831 0.137 Vega
WISE_W4 711.51 425.37 10.150 0.649 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})\, 8.446 8.686 8.847
{\rm log}_{10}({\rm SFR}) -1.387 -0.827 -0.275
{\rm log}_{10}({\rm sSFR}) -10.167 -9.498 -8.867
{\rm stellar\ age} 2.060 4.858 6.585

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.751 -1.296 -0.403
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.767 -1.032 0.130

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.183 0.419 0.796
\delta -0.641 -0.260 0.111
\tau_1/\tau_2 0.745 1.082 1.430
Q_{PAH} 1.185 2.724 4.939
U_{min} 2.943 7.873 14.508
{\rm log}_{10}(\gamma_e)\, -2.787 -1.535 -0.577

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.125 -0.771 0.025
{\rm log}_{10}(\tau_{AGN})\, 1.022 1.493 1.918

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.230 -0.882 -0.540
0.03-0.10 Gyr -1.596 -0.836 -0.179
0.10-0.33 Gyr -1.600 -0.907 -0.407
0.33-1.06 Gyr -1.582 -1.011 -0.618
1.06-3.47 Gyr -1.995 -1.209 -0.929
3.47-11.30 Gyr -2.279 -1.411 -1.056
11.30-12.55 Gyr -2.375 -1.462 -0.888

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.933 10.024 10.108
{\rm log}_{10}({\rm SFR}) -0.885 -0.401 0.009
{\rm log}_{10}({\rm sSFR}) -10.948 -10.400 -9.993
{\rm stellar\ age} 5.604 7.035 8.707

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.851 -1.600 -1.250
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.932 -1.710 -0.004

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.056 0.161 0.298
\delta -0.645 -0.074 0.285
\tau_1/\tau_2 0.575 0.935 1.322
Q_{PAH} 1.638 3.671 5.715
U_{min} 3.207 8.105 15.383
{\rm log}_{10}(\gamma_e)\, -2.873 -1.853 -0.890

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.534 -1.520 -1.148
{\rm log}_{10}(\tau_{AGN})\, 0.912 1.278 1.729

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.807 -0.453 -0.208
0.03-0.10 Gyr -1.325 -0.409 0.112
0.10-0.33 Gyr -1.195 -0.254 0.198
0.33-1.06 Gyr -1.547 -0.370 0.055
1.06-3.47 Gyr -0.663 -0.010 0.325
3.47-11.30 Gyr -0.309 0.131 0.306
11.30-12.55 Gyr -0.587 0.213 0.855