2025xht

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Information

Transient

Name: AT2025xht
Right ascension: 15h39m49.39s
Declination: 47d10m25.91s
Discovery Date: Sept. 12, 2025, 8:41 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.012

Host

Name: 2293605
Right ascension: 15h39m49.62s
Declination: 47d10m26.86s
Redshift: 0.106860
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.36
Transient MWEBV processed 0.04
Host match processed 3.97
Host information processed 0.14
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 6.04
Validate global photometry processed 16.54
Global host SED inference processed 495.1
Local aperture photometry processed 6.34
Validate local photometry processed 0.03
Local host SED inference processed 647.99
 

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) = 15h39m49.39s, 47d10m25.91s
semi major axis, semi minor axis (arcsec) = 1.02, 1.02
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 51.49 1.02 19.621 0.022 AB
PanSTARRS_y 54.28 1.5 19.563 0.030 AB

Aperture details

RA, DEC (J2000) = 15h39m49.65s, 47d10m26.92s
semi major axis, semi minor axis (arcsec) = 7.09, 6.29
angle (degrees, anti-clockwise from east) = -49.87

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.85 0.78 24.080 1.003 AB
GALEX_NUV 4.47 1.88 22.275 0.458 AB
SDSS_u 56.92 4.88 19.512 0.093 AB
SDSS_g 362.56 5.22 17.502 0.016 AB
DES_g 394.56 1.32 17.410 0.004 AB
PanSTARRS_g 428.35 1.44 17.320 0.004 AB
SDSS_r 905.95 8.34 16.507 0.010 AB
PanSTARRS_r 890.88 1.83 16.525 0.002 AB
SDSS_i 1306.62 10.64 16.110 0.009 AB
PanSTARRS_i 1310.11 2.17 16.107 0.002 AB
PanSTARRS_z 1677.48 4.72 15.838 0.003 AB
SDSS_z 1622.07 23.94 15.875 0.016 AB
DES_z 1685.25 5.91 15.833 0.004 AB
PanSTARRS_y 1942.77 9.71 15.679 0.005 AB
2MASS_J 2458.42 165.7 14.528 0.073 Vega
2MASS_H 2953.97 276.39 13.856 0.102 Vega
2MASS_K 3021.82 247.11 13.362 0.089 Vega
WISE_W1 1145.71 12.21 13.553 0.012 Vega
WISE_W2 703.9 15.43 13.442 0.024 Vega
WISE_W3 164.8 41.84 13.184 0.276 Vega
WISE_W4 -332.19 233.18 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})\, 8.941 9.285 9.518
{\rm log}_{10}({\rm SFR}) -0.818 -0.323 0.245
{\rm log}_{10}({\rm sSFR}) -10.183 -9.579 -8.864
{\rm stellar\ age} 2.435 6.114 8.148

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.450 -0.368 0.059
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.124 -0.569 0.119

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.356 0.729 1.236
\delta -0.671 -0.275 0.214
\tau_1/\tau_2 0.366 0.814 1.282
Q_{PAH} 0.573 2.215 5.063
U_{min} 3.277 8.281 15.337
{\rm log}_{10}(\gamma_e)\, -3.116 -2.035 -0.821

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.862 -0.953 -0.055
{\rm log}_{10}(\tau_{AGN})\, 1.077 1.565 1.980

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.664 -0.127 0.288
0.03-0.10 Gyr -1.950 -0.577 0.244
0.10-0.32 Gyr -2.624 -1.084 -0.344
0.32-1.06 Gyr -2.521 -0.924 -0.280
1.06-3.43 Gyr -2.456 -0.863 -0.410
3.43-11.13 Gyr -2.035 -0.793 -0.353
11.13-12.37 Gyr -1.990 -0.731 0.130

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.949 11.009 11.123
{\rm log}_{10}({\rm SFR}) -2.795 -0.935 -0.068
{\rm log}_{10}({\rm sSFR}) -13.701 -12.001 -11.079
{\rm stellar\ age} 7.180 8.237 11.661

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.222 -0.954 -0.782
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.417 -0.730 0.008

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.308 0.411 0.537
\delta -0.928 -0.749 -0.528
\tau_1/\tau_2 0.445 0.892 1.355
Q_{PAH} 0.387 1.065 2.082
U_{min} 3.598 9.677 17.631
{\rm log}_{10}(\gamma_e)\, -3.222 -2.331 -1.372

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.320 -3.347 -2.450
{\rm log}_{10}(\tau_{AGN})\, 0.972 1.412 1.867

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.283 -0.935 -0.064
0.03-0.10 Gyr -4.462 -1.435 -0.092
0.10-0.32 Gyr -4.793 -1.499 -0.043
0.32-1.06 Gyr -4.378 -1.561 -0.003
1.06-3.43 Gyr -2.856 -0.493 0.825
3.43-11.13 Gyr -0.736 1.091 1.316
11.13-12.37 Gyr -0.048 1.566 2.273