2025llu

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Information

Transient

Name: AT2025llu
Right ascension: 15h22m38.07s
Declination: 15d58m41.02s
Discovery Date: May 19, 2025, 8:10 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.029

Host

Name: 2025llu
Right ascension: 15h22m37.71s
Declination: 15d58m39.20s
Redshift: None
Photometric Redshift: 0.167
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 14.98
Transient MWEBV processed 0.06
Host match processed 3.15
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 5.89
Validate global photometry processed 15.74
Global host SED inference processed 460.91
Local aperture photometry processed 5.76
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) = 15h22m38.07s, 15d58m41.02s
semi major axis, semi minor axis (arcsec) = 0.7, 0.7
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) = 15h22m37.70s, 15d58m39.32s
semi major axis, semi minor axis (arcsec) = 4.34, 3.21
angle (degrees, anti-clockwise from east) = -103.76

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 8.47 2.85 21.580 0.366 AB
SDSS_g 47.04 2.01 19.719 0.046 AB
PanSTARRS_g 48.24 0.9 19.692 0.020 AB
SDSS_r 102.0 3.06 18.878 0.033 AB
PanSTARRS_r 96.15 1.14 18.943 0.013 AB
SDSS_i 141.65 4.04 18.522 0.031 AB
PanSTARRS_i 142.61 1.01 18.515 0.008 AB
PanSTARRS_z 177.85 1.98 18.275 0.012 AB
SDSS_z 217.81 10.34 18.055 0.052 AB
DES_z 192.43 3.58 18.189 0.020 AB
PanSTARRS_y 227.02 5.3 18.010 0.025 AB
2MASS_J 75.3 102.62 18.313 1.480 Vega
2MASS_H 551.96 166.04 15.678 0.327 Vega
2MASS_K 490.57 185.3 15.335 0.410 Vega
WISE_W1 124.9 9.78 15.960 0.085 Vega
WISE_W2 79.89 13.99 15.805 0.190 Vega
WISE_W3 155.75 39.54 13.245 0.276 Vega
WISE_W4 441.15 246.84 10.669 0.607 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})\, 9.993 10.167 10.298
{\rm log}_{10}({\rm SFR}) -2.830 -0.771 0.529
{\rm log}_{10}({\rm sSFR}) -12.909 -10.944 -9.559
{\rm stellar\ age} 1.236 4.032 6.125

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.215 -0.792 -0.465
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.532 -0.571 0.207

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.423 0.636 0.864
\delta -0.872 -0.698 -0.481
\tau_1/\tau_2 0.550 0.961 1.379
Q_{PAH} 0.177 0.640 1.719
U_{min} 2.853 8.645 16.161
{\rm log}_{10}(\gamma_e)\, -3.413 -2.681 -1.834

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.509 -3.583 -2.438
{\rm log}_{10}(\tau_{AGN})\, 1.058 1.529 1.927

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.391 -1.738 -0.513
0.03-0.10 Gyr -3.068 -0.718 0.678
0.10-0.32 Gyr -1.557 0.270 1.091
0.32-1.02 Gyr -0.619 0.587 1.112
1.02-3.28 Gyr -1.840 0.304 0.715
3.28-10.51 Gyr -2.394 -0.067 0.418
10.51-11.67 Gyr -3.014 -0.180 0.609