2025lou

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Information

Transient

Name: AT2025lou
Right ascension: 16h48m10.75s
Declination: -2d07m08.99s
Discovery Date: May 20, 2025, 9:29 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.157

Host

Name: 2025lou
Right ascension: 16h48m10.76s
Declination: -2d07m09.15s
Redshift: None
Photometric Redshift: 0.189
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.02
Transient MWEBV processed 0.05
Host match processed 4.34
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.71
Global aperture photometry processed 5.23
Validate global photometry processed 13.3
Global host SED inference processed 382.18
Local aperture photometry processed 4.22
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

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) = 16h48m10.75s, -2d07m08.99s
semi major axis, semi minor axis (arcsec) = 0.64, 0.64
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 16h48m10.75s, -2d07m09.26s
semi major axis, semi minor axis (arcsec) = 4.05, 2.65
angle (degrees, anti-clockwise from east) = -14.76

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.87 0.66 23.221 0.386 AB
GALEX_NUV 2.31 0.13 22.991 0.061 AB
PanSTARRS_g 28.07 0.76 20.279 0.029 AB
PanSTARRS_r 59.37 0.86 19.466 0.016 AB
PanSTARRS_i 91.65 1.29 18.995 0.015 AB
PanSTARRS_z 99.2 2.42 18.909 0.026 AB
PanSTARRS_y 99.79 5.17 18.902 0.056 AB
2MASS_J 10.34 125.27 20.468 13.147 Vega
2MASS_H 347.92 167.51 16.179 0.523 Vega
2MASS_K 181.71 190.84 16.414 1.140 Vega
WISE_W1 135.41 14.19 15.872 0.114 Vega
WISE_W3 147.68 64.01 13.303 0.471 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.019 10.127 10.251
{\rm log}_{10}({\rm SFR}) 0.268 0.536 0.824
{\rm log}_{10}({\rm sSFR}) -9.907 -9.597 -9.258
{\rm stellar\ age} 3.013 4.918 6.104

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.329 -0.756 -0.277
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.730 -1.184 0.043

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.360 0.588 0.826
\delta -0.358 -0.099 0.076
\tau_1/\tau_2 0.716 1.028 1.362
Q_{PAH} 0.879 2.394 4.290
U_{min} 2.683 7.429 14.298
{\rm log}_{10}(\gamma_e)\, -3.202 -2.152 -1.005

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.731 -1.957 -0.963
{\rm log}_{10}(\tau_{AGN})\, 0.937 1.298 1.821

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.351 0.570 0.775
0.03-0.10 Gyr 0.140 0.525 0.877
0.10-0.32 Gyr 0.215 0.563 0.878
0.32-1.01 Gyr 0.175 0.512 0.810
1.01-3.23 Gyr 0.025 0.322 0.542
3.23-10.29 Gyr -0.320 0.172 0.409
10.29-11.43 Gyr -0.649 0.115 0.595