2025lht

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Information

Transient

Name: AT2025lht
Right ascension: 21h54m56.83s
Declination: -7d34m14.22s
Discovery Date: May 22, 2025, 10:24 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.030

Host

Name: 2025lht
Right ascension: 21h54m56.74s
Declination: -7d34m14.26s
Redshift: 0.059410
Photometric Redshift: 0.075
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 1.83
Cutout download processed 16.57
Global aperture construction processed 0.65
Local aperture photometry processed 5.79
Global aperture photometry processed 5.94
Validate local photometry processed 0.03
Validate global photometry processed 17.07
Host information processed 0.09
Global host SED inference processed 390.21
Local host SED inference processed 426.59
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

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) = 21h54m56.83s, -7d34m14.22s
semi major axis, semi minor axis (arcsec) = 1.74, 1.74
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 9.81 1.67 21.421 0.184 AB
SDSS_g 28.67 1.51 20.257 0.057 AB
DES_g 31.4 0.32 20.158 0.011 AB
PanSTARRS_g 29.55 0.4 20.223 0.015 AB
SDSS_r 47.55 1.98 19.707 0.045 AB
PanSTARRS_r 47.44 0.5 19.710 0.011 AB
SDSS_i 64.53 2.54 19.376 0.043 AB
PanSTARRS_i 63.53 0.53 19.392 0.009 AB
PanSTARRS_z 71.53 1.24 19.264 0.019 AB
SDSS_z 66.88 5.7 19.337 0.093 AB
PanSTARRS_y 84.94 3.13 19.077 0.040 AB

Aperture details

RA, DEC (J2000) = 21h54m56.72s, -7d34m13.89s
semi major axis, semi minor axis (arcsec) = 13.11, 6.65
angle (degrees, anti-clockwise from east) = -55.6

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 28.95 4.56 20.246 0.171 AB
GALEX_NUV 37.59 1.37 19.962 0.040 AB
SDSS_u 75.44 8.39 19.206 0.121 AB
SDSS_g 243.42 5.25 17.934 0.023 AB
DES_g 231.84 1.01 17.987 0.005 AB
PanSTARRS_g 259.66 2.11 17.864 0.009 AB
SDSS_r 364.29 6.86 17.496 0.020 AB
PanSTARRS_r 385.45 2.57 17.435 0.007 AB
SDSS_i 490.49 9.8 17.173 0.022 AB
PanSTARRS_z 542.73 6.59 17.064 0.013 AB
SDSS_z 496.22 29.28 17.161 0.064 AB
PanSTARRS_y 627.61 16.67 16.906 0.029 AB
2MASS_J 1158.51 231.5 15.345 0.217 Vega
2MASS_H 1107.18 371.96 14.922 0.365 Vega
2MASS_K 941.37 419.38 14.628 0.484 Vega
WISE_W1 296.08 20.85 15.022 0.076 Vega
WISE_W2 181.51 29.79 14.914 0.178 Vega
WISE_W3 208.45 92.87 12.929 0.484 Vega
WISE_W4 -166.43 422.97 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.772 8.930 9.057
{\rm log}_{10}({\rm SFR}) -1.855 -1.204 -0.493
{\rm log}_{10}({\rm sSFR}) -10.809 -10.152 -9.365
{\rm stellar\ age} 2.642 5.777 7.283

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.568 -0.934 -0.384
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.562 -0.453 0.197

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.218 0.659 1.123
\delta -0.498 -0.045 0.216
\tau_1/\tau_2 0.679 1.008 1.349
Q_{PAH} 0.855 2.697 5.210
U_{min} 2.942 7.923 14.849
{\rm log}_{10}(\gamma_e)\, -3.024 -1.882 -0.830

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.803 -0.926 0.014
{\rm log}_{10}(\tau_{AGN})\, 0.946 1.427 1.949

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.030 -1.423 -0.970
0.03-0.10 Gyr -2.061 -1.190 -0.372
0.10-0.33 Gyr -1.686 -0.917 -0.267
0.33-1.08 Gyr -1.610 -0.925 -0.486
1.08-3.55 Gyr -1.620 -0.968 -0.700
3.55-11.67 Gyr -1.949 -1.078 -0.828
11.67-12.97 Gyr -2.189 -1.161 -0.604

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.776 9.838 9.916
{\rm log}_{10}({\rm SFR}) -0.564 -0.275 -0.004
{\rm log}_{10}({\rm sSFR}) -10.386 -10.119 -9.866
{\rm stellar\ age} 6.718 7.467 8.791

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.147 -0.827 -0.613
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.238 0.211 0.386

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.070 0.164 0.314
\delta -0.478 -0.076 0.191
\tau_1/\tau_2 0.670 1.009 1.376
Q_{PAH} 0.906 2.522 4.430
U_{min} 2.702 7.840 14.397
{\rm log}_{10}(\gamma_e)\, -2.834 -1.784 -0.764

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.867 -2.474 -1.723
{\rm log}_{10}(\tau_{AGN})\, 1.073 1.479 1.836

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.245 -0.805 -0.557
0.03-0.10 Gyr -0.515 -0.159 0.142
0.10-0.33 Gyr -0.509 -0.203 0.054
0.33-1.08 Gyr -0.772 -0.390 -0.181
1.08-3.55 Gyr -0.767 -0.340 -0.109
3.55-11.67 Gyr -0.215 -0.035 0.085
11.67-12.97 Gyr -0.331 0.121 0.618