2025ljn

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Information

Transient

Name: AT2025ljn
Right ascension: 13h30m40.67s
Declination: -11d01m32.75s
Discovery Date: May 16, 2025, 8:18 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.041

Host

Name: 2025ljn
Right ascension: 13h30m40.53s
Declination: -11d01m34.72s
Redshift: 0.094743
Photometric Redshift: 0.096
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.33
Transient MWEBV processed 0.04
Host match processed 2.12
Host information processed 0.09
Host MWEBV processed 0.1
Global aperture construction processed 0.64
Global aperture photometry processed 4.07
Validate global photometry processed 10.66
Global host SED inference processed 433.76
Local aperture photometry processed 4.0
Validate local photometry processed 0.02
Local host SED inference processed 522.17
 

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) = 13h30m40.67s, -11d01m32.75s
semi major axis, semi minor axis (arcsec) = 1.14, 1.14
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_i 74.21 0.52 19.224 0.008 AB
PanSTARRS_z 95.74 0.61 18.947 0.007 AB
PanSTARRS_y 110.87 1.41 18.788 0.014 AB

Aperture details

RA, DEC (J2000) = 13h30m40.53s, -11d01m34.61s
semi major axis, semi minor axis (arcsec) = 8.83, 7.23
angle (degrees, anti-clockwise from east) = -112.92

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 454.91 2.0 17.255 0.005 AB
PanSTARRS_r 1029.13 2.9 16.369 0.003 AB
PanSTARRS_i 1544.47 3.52 15.928 0.002 AB
PanSTARRS_z 2019.32 4.09 15.637 0.002 AB
PanSTARRS_y 2265.27 9.74 15.512 0.005 AB
2MASS_J 3170.52 196.66 14.252 0.067 Vega
2MASS_H 4112.65 315.79 13.497 0.083 Vega
2MASS_K 3505.84 417.42 13.200 0.129 Vega
WISE_W1 1583.97 22.78 13.202 0.016 Vega
WISE_W2 975.68 25.3 13.088 0.028 Vega
WISE_W3 346.85 73.63 12.376 0.230 Vega
WISE_W4 286.95 419.95 11.135 1.589 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.478 9.655 9.780
{\rm log}_{10}({\rm SFR}) -1.530 -0.747 0.008
{\rm log}_{10}({\rm sSFR}) -11.203 -10.445 -9.586
{\rm stellar\ age} 3.935 6.578 8.954

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.182 -0.502 -0.015
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.267 -0.694 -0.094

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.429 0.777 1.249
\delta -0.554 -0.197 0.115
\tau_1/\tau_2 0.545 0.902 1.286
Q_{PAH} 0.893 2.832 5.405
U_{min} 3.469 8.449 15.208
{\rm log}_{10}(\gamma_e)\, -2.926 -1.660 -0.569

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.393 -1.139 -0.338
{\rm log}_{10}(\tau_{AGN})\, 1.058 1.613 2.017

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.507 -0.739 -0.266
0.03-0.10 Gyr -2.098 -0.890 0.082
0.10-0.33 Gyr -2.167 -0.912 -0.089
0.33-1.06 Gyr -1.981 -0.614 0.075
1.06-3.46 Gyr -1.875 -0.445 -0.084
3.46-11.27 Gyr -1.222 -0.340 -0.065
11.27-12.52 Gyr -1.239 -0.275 0.539

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.974 11.054 11.157
{\rm log}_{10}({\rm SFR}) -5.115 -1.652 -0.246
{\rm log}_{10}({\rm sSFR}) -16.210 -12.734 -11.278
{\rm stellar\ age} 7.355 9.226 11.868

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.969 -0.675 -0.507
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.582 -0.772 0.079

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.245 0.378 0.566
\delta -0.817 -0.517 -0.226
\tau_1/\tau_2 0.460 0.883 1.324
Q_{PAH} 0.356 1.033 2.260
U_{min} 3.103 9.411 17.394
{\rm log}_{10}(\gamma_e)\, -3.182 -1.931 -1.021

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.324 -3.325 -2.394
{\rm log}_{10}(\tau_{AGN})\, 1.004 1.416 1.876

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.889 -1.994 -0.329
0.03-0.10 Gyr -6.029 -1.897 -0.239
0.10-0.33 Gyr -6.206 -2.188 -0.174
0.33-1.06 Gyr -5.426 -2.119 -0.077
1.06-3.46 Gyr -3.404 -1.076 0.677
3.46-11.27 Gyr -1.152 1.034 1.320
11.27-12.52 Gyr 0.491 1.840 2.308