2025tlu

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Information

Transient

Name: AT2025tlu
Right ascension: 18h23m43.02s
Declination: 56d30m21.83s
Discovery Date: Aug. 9, 2025, 4:10 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.048

Host

Name:
Right ascension: 18h23m42.96s
Declination: 56d30m24.72s
Redshift: None
Photometric Redshift: 0.100
 

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 6.52
Cutout download processed 30.87
Global aperture construction processed 0.71
Local aperture photometry processed 4.23
Global aperture photometry processed 3.74
Validate local photometry processed 0.02
Validate global photometry processed 11.73
Host information processed 0.18
Global host SED inference processed 498.53
Local host SED inference processed 540.4
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.06
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) = 18h23m43.02s, 56d30m21.83s
semi major axis, semi minor axis (arcsec) = 1.09, 1.09
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_z 9.25 0.97 21.484 0.114 AB
PanSTARRS_y 15.06 1.78 20.956 0.128 AB

Aperture details

RA, DEC (J2000) = 18h23m42.95s, 56d30m24.79s
semi major axis, semi minor axis (arcsec) = 4.73, 3.88
angle (degrees, anti-clockwise from east) = -1.13

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.2 1.43 22.636 0.484 AB
GALEX_NUV 0.01 0.53 29.126 70.312 AB
PanSTARRS_g 91.18 0.94 19.000 0.011 AB
PanSTARRS_r 182.39 1.15 18.248 0.007 AB
PanSTARRS_i 258.48 1.17 17.869 0.005 AB
PanSTARRS_z 338.63 3.75 17.576 0.012 AB
PanSTARRS_y 377.71 6.89 17.457 0.020 AB
2MASS_J 434.19 112.03 16.411 0.280 Vega
2MASS_H 565.4 170.39 15.652 0.327 Vega
2MASS_K 546.96 185.9 15.217 0.369 Vega
WISE_W1 166.75 10.23 15.646 0.067 Vega
WISE_W2 109.03 12.09 15.467 0.120 Vega
WISE_W3 -10.25 31.1 Vega
WISE_W4 -48.21 211.03 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})\, 8.035 8.582 8.962
{\rm log}_{10}({\rm SFR}) -1.014 -0.556 -0.114
{\rm log}_{10}({\rm sSFR}) -9.775 -9.078 -8.284
{\rm stellar\ age} 0.977 5.678 8.097

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.449 -0.591 0.036
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.937 -0.243 0.155

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.719 1.229 1.870
\delta -0.326 -0.007 0.295
\tau_1/\tau_2 0.461 0.843 1.295
Q_{PAH} 0.566 1.799 4.240
U_{min} 2.855 8.248 15.637
{\rm log}_{10}(\gamma_e)\, -3.239 -2.252 -0.971

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.370 -0.873 0.020
{\rm log}_{10}(\tau_{AGN})\, 1.025 1.384 1.856

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.822 -0.268 0.146
0.03-0.10 Gyr -2.647 -1.180 -0.293
0.10-0.33 Gyr -4.022 -1.744 -0.833
0.33-1.06 Gyr -4.493 -1.932 -1.075
1.06-3.45 Gyr -4.145 -1.786 -1.092
3.45-11.21 Gyr -3.761 -1.619 -0.998
11.21-12.46 Gyr -3.806 -1.578 -0.510

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.082 10.212 10.336
{\rm log}_{10}({\rm SFR}) -2.661 -1.063 -0.152
{\rm log}_{10}({\rm sSFR}) -13.019 -11.335 -10.352
{\rm stellar\ age} 5.994 7.503 11.322

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.625 -1.303 -1.000
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.430 -0.684 0.037

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.276 0.429 0.625
\delta -0.930 -0.777 -0.560
\tau_1/\tau_2 0.480 0.895 1.314
Q_{PAH} 0.478 1.646 3.617
U_{min} 3.250 9.467 17.165
{\rm log}_{10}(\gamma_e)\, -2.228 -1.230 -0.401

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.227 -2.966 -1.993
{\rm log}_{10}(\tau_{AGN})\, 1.040 1.530 1.940

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.597 -1.993 -0.968
0.03-0.10 Gyr -2.916 -1.023 -0.011
0.10-0.33 Gyr -2.776 -0.772 0.162
0.33-1.06 Gyr -3.306 -0.906 -0.015
1.06-3.45 Gyr -2.327 -0.263 0.333
3.45-11.21 Gyr -1.233 0.279 0.493
11.21-12.46 Gyr -0.721 0.519 1.452