2025lyg

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Information

Transient

Name: AT2025lyg
Right ascension: 16h04m50.80s
Declination: 31d09m00.44s
Discovery Date: May 24, 2025, 9:27 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.024

Host

Name: 2025lyg
Right ascension: 16h04m50.93s
Declination: 31d08m57.41s
Redshift: 0.188107
Photometric Redshift: 0.171
 

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 1.87
Cutout download processed 16.32
Global aperture construction processed 0.67
Local aperture photometry processed 6.35
Global aperture photometry processed 6.76
Validate local photometry no valid phot 0.02
Validate global photometry processed 18.81
Host information processed 0.1
Global host SED inference processed 388.87
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.06
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) = 16h04m50.80s, 31d09m00.44s
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

Aperture details

RA, DEC (J2000) = 16h04m50.92s, 31d08m57.38s
semi major axis, semi minor axis (arcsec) = 6.79, 3.33
angle (degrees, anti-clockwise from east) = -156.42

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.94 2.25 21.797 0.352 AB
GALEX_NUV 14.47 2.21 20.999 0.166 AB
SDSS_u 41.75 3.67 19.848 0.096 AB
SDSS_g 110.82 2.99 18.788 0.029 AB
PanSTARRS_g 118.52 1.14 18.716 0.010 AB
SDSS_r 254.64 4.59 17.885 0.020 AB
PanSTARRS_r 247.7 1.23 17.915 0.005 AB
DES_r 273.07 2.87 17.809 0.011 AB
SDSS_i 373.52 5.79 17.469 0.017 AB
PanSTARRS_i 381.83 1.5 17.445 0.004 AB
PanSTARRS_z 439.38 2.71 17.293 0.007 AB
SDSS_z 451.89 13.3 17.262 0.032 AB
DES_z 495.6 5.59 17.162 0.012 AB
PanSTARRS_y 552.92 6.64 17.043 0.013 AB
2MASS_J 684.42 114.73 15.917 0.182 Vega
2MASS_H 1183.98 193.33 14.849 0.177 Vega
2MASS_K 1298.48 192.32 14.279 0.161 Vega
WISE_W1 477.88 11.7 14.503 0.027 Vega
WISE_W2 426.24 16.46 13.987 0.042 Vega
WISE_W3 1409.13 60.57 10.854 0.047 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})\, 10.896 10.943 10.991
{\rm log}_{10}({\rm SFR}) 0.831 1.025 1.231
{\rm log}_{10}({\rm sSFR}) -10.125 -9.917 -9.714
{\rm stellar\ age} 6.221 6.854 7.969

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.226 -0.039 0.066
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.814 -0.584 0.277

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.232 0.314 0.451
\delta -0.804 -0.582 -0.333
\tau_1/\tau_2 0.961 1.281 1.643
Q_{PAH} 0.720 2.111 3.702
U_{min} 2.185 6.601 13.282
{\rm log}_{10}(\gamma_e)\, -3.327 -2.342 -1.252

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.636 -2.253 -1.494
{\rm log}_{10}(\tau_{AGN})\, 1.011 1.407 1.849

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.748 0.878 1.011
0.03-0.10 Gyr 0.832 1.083 1.321
0.10-0.32 Gyr 0.356 0.699 0.957
0.32-1.01 Gyr 0.103 0.484 0.770
1.01-3.23 Gyr 0.324 0.699 0.962
3.23-10.29 Gyr 0.987 1.145 1.234
10.29-11.44 Gyr 0.892 1.314 1.764