2025lkn

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Information

Transient

Name: AT2025lkn
Right ascension: 12h02m35.12s
Declination: 28d12m01.01s
Discovery Date: March 23, 2025, 8:24 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.016

Host

Name: 2025lkn
Right ascension: 12h02m35.27s
Declination: 28d12m00.14s
Redshift: None
Photometric Redshift: 0.159
 

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
no valid phot
 status
Local host SED inference
Local host SED inference
not 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 1.88
Cutout download processed 15.35
Global aperture construction processed 0.64
Local aperture photometry processed 5.45
Global aperture photometry processed 6.1
Validate local photometry no valid phot 0.02
Validate global photometry processed 16.58
Host information processed 0.09
Global host SED inference processed 420.76
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.05
Processing status blocked 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) = 12h02m35.12s, 28d12m01.01s
semi major axis, semi minor axis (arcsec) = 0.73, 0.73
angle (degrees, anti-clockwise from east) = 0.0

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

Aperture details

RA, DEC (J2000) = 12h02m35.26s, 28d12m00.28s
semi major axis, semi minor axis (arcsec) = 4.17, 3.99
angle (degrees, anti-clockwise from east) = -68.27

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.63 3.39 21.236 0.316 AB
GALEX_NUV 13.7 2.49 21.058 0.198 AB
SDSS_u 39.55 3.21 19.907 0.088 AB
SDSS_g 51.32 2.15 19.624 0.045 AB
PanSTARRS_g 53.52 0.97 19.579 0.020 AB
SDSS_r 81.3 2.92 19.125 0.039 AB
PanSTARRS_r 88.42 0.92 19.034 0.011 AB
SDSS_i 106.26 4.4 18.834 0.045 AB
PanSTARRS_i 106.45 1.8 18.832 0.018 AB
PanSTARRS_z 120.73 2.62 18.695 0.024 AB
SDSS_z 127.33 13.1 18.638 0.112 AB
PanSTARRS_y 132.69 5.43 18.593 0.044 AB
2MASS_J 278.66 81.12 16.892 0.316 Vega
2MASS_H 229.88 112.65 16.629 0.532 Vega
2MASS_K 92.04 143.25 17.152 1.690 Vega
WISE_W1 62.6 7.54 16.710 0.131 Vega
WISE_W2 57.38 10.95 16.164 0.207 Vega
WISE_W3 178.67 60.29 13.096 0.366 Vega
WISE_W4 337.85 406.39 10.958 1.306 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.781 9.927 10.082
{\rm log}_{10}({\rm SFR}) 0.370 0.652 0.932
{\rm log}_{10}({\rm sSFR}) -9.604 -9.274 -8.912
{\rm stellar\ age} 4.869 6.325 8.142

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.377 -0.731 -0.283
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.741 -0.935 0.116

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.160 0.292 0.474
\delta -0.644 -0.283 0.003
\tau_1/\tau_2 0.460 0.859 1.262
Q_{PAH} 0.880 2.343 4.486
U_{min} 2.839 8.341 15.668
{\rm log}_{10}(\gamma_e)\, -2.858 -1.832 -0.805

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.916 -2.333 -1.469
{\rm log}_{10}(\tau_{AGN})\, 0.994 1.414 1.833

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.936 -0.068 0.289
0.03-0.10 Gyr 0.487 0.787 1.076
0.10-0.32 Gyr -1.501 0.030 0.552
0.32-1.03 Gyr -1.839 -0.350 0.107
1.03-3.30 Gyr -1.300 -0.231 0.080
3.30-10.59 Gyr -0.436 0.007 0.244
10.59-11.76 Gyr -0.524 0.142 0.829