2025xlh results

Information

Transient
Name:AT2025xlh
Right ascension: 17h07m41.00s
Declination:32d45m52.79s
Discovery Date:Sept. 8, 2025, 6:54 a.m.
Classification:None
Redshift:None
MW E(B-V):0.036
Host
Name:
Right ascension: 17h07m40.93s
Declination:32d45m52.21s
Redshift:None
Photometric Redshift:0.089
 

Cutout Download Report

Downloaded Unavailable
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_z
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 19.12
Transient MWEBV processed 0.04
Host match processed 5.65
Host information processed 0.11
Host MWEBV processed 0.05
Global aperture construction processed 0.65
Global aperture photometry processed 6.29
Validate global photometry processed 17.63
Global host SED inference processed 419.28
Local aperture photometry processed 7.31
Validate local photometry processed 0.03
Local host SED inference processed 439.05
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):17h07m41.00s, 32d45m52.79s
semi major axis, semi minor axis (arcsec):1.21, 1.21
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 7.82 0.19 21.667 0.026 AB
PanSTARRS_r 15.38 0.35 20.932 0.025 AB
DES_r 15.91 0.51 20.896 0.035 AB
PanSTARRS_i 19.47 0.37 20.677 0.020 AB
PanSTARRS_z 21.85 1.08 20.551 0.054 AB
DES_z 26.91 1.26 20.325 0.051 AB
PanSTARRS_y 22.57 2.26 20.516 0.109 AB

Aperture details

RA, DEC (J2000):17h07m40.92s, 32d45m52.41s
semi major axis, semi minor axis (arcsec):5.14, 3.58
angle (degrees, anti-clockwise from east):-97.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.45 2.21 21.720 0.322 AB
GALEX_NUV 8.09 0.68 21.630 0.091 AB
SDSS_u 9.82 3.53 21.420 0.390 AB
SDSS_g 41.76 2.0 19.848 0.052 AB
DES_g 42.55 0.46 19.828 0.012 AB
PanSTARRS_g 45.39 0.86 19.758 0.021 AB
SDSS_r 70.82 2.72 19.275 0.042 AB
PanSTARRS_r 65.4 1.21 19.361 0.020 AB
DES_r 71.59 1.13 19.263 0.017 AB
SDSS_i 94.02 3.84 18.967 0.044 AB
PanSTARRS_i 82.32 1.27 19.111 0.017 AB
PanSTARRS_z 93.98 3.76 18.967 0.043 AB
SDSS_z 99.82 10.81 18.902 0.118 AB
DES_z 107.43 2.86 18.822 0.029 AB
PanSTARRS_y 89.95 7.85 19.015 0.095 AB
2MASS_J 243.63 94.05 17.038 0.419 Vega
2MASS_H 276.39 147.57 16.429 0.580 Vega
2MASS_K 40.55 161.56 18.042 4.326 Vega
WISE_W1 51.65 8.28 16.918 0.174 Vega
WISE_W2 35.35 13.97 16.690 0.429 Vega
WISE_W3 14.32 56.07 15.836 4.252 Vega
WISE_W4 -18.65 359.32 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.832 8.932 9.048
{\rm log}_{10}({\rm SFR}) -2.313 -1.715 -1.078
{\rm log}_{10}({\rm sSFR}) -11.230 -10.656 -10.034
{\rm stellar\ age} 5.436 6.932 8.209

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.451 -0.865 -0.338
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.525 -0.756 0.037

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.189 0.505 0.957
\delta -0.343 0.035 0.290
\tau_1/\tau_2 0.649 1.007 1.368
Q_{PAH} 1.039 2.702 4.983
U_{min} 3.058 8.054 15.229
{\rm log}_{10}(\gamma_e)\, -2.863 -1.841 -0.744

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.689 -0.108 0.216
{\rm log}_{10}(\tau_{AGN})\, 1.147 1.560 1.963

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.488 -1.757 -1.208
0.03-0.10 Gyr -2.555 -1.758 -1.052
0.10-0.33 Gyr -2.360 -1.608 -1.000
0.33-1.06 Gyr -2.140 -1.380 -0.842
1.06-3.47 Gyr -1.732 -1.078 -0.797
3.47-11.34 Gyr -1.299 -0.936 -0.771
11.34-12.59 Gyr -1.568 -0.933 -0.384

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.302 9.378 9.481
{\rm log}_{10}({\rm SFR}) -0.864 -0.567 -0.271
{\rm log}_{10}({\rm sSFR}) -10.254 -9.948 -9.657
{\rm stellar\ age} 5.131 6.424 7.755

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.167 -0.649 -0.271
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.723 -0.538 0.269

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.071 0.212 0.447
\delta -0.371 0.094 0.308
\tau_1/\tau_2 0.713 1.054 1.398
Q_{PAH} 1.163 2.946 4.953
U_{min} 2.918 8.440 15.444
{\rm log}_{10}(\gamma_e)\, -2.361 -1.248 -0.419

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.986 -1.190 -0.575
{\rm log}_{10}(\tau_{AGN})\, 1.279 1.660 1.975

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.303 -0.908 -0.646
0.03-0.10 Gyr -0.834 -0.484 -0.147
0.10-0.33 Gyr -0.684 -0.384 -0.093
0.33-1.06 Gyr -0.888 -0.509 -0.266
1.06-3.47 Gyr -0.894 -0.565 -0.350
3.47-11.34 Gyr -0.798 -0.554 -0.389
11.34-12.59 Gyr -0.998 -0.449 0.037