2025llb

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Information

Transient

Name: AT2025llb
Right ascension: 21h29m21.13s
Declination: -13d16m32.32s
Discovery Date: May 23, 2025, 10:04 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.053

Host

Name: 2025llb
Right ascension: 21h29m21.12s
Declination: -13d16m30.80s
Redshift: None
Photometric Redshift: 0.125
 

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 2.36
Cutout download processed 0.29
Global aperture construction processed 0.63
Local aperture photometry processed 4.46
Global aperture photometry processed 4.5
Validate local photometry no valid phot 0.02
Validate global photometry processed 12.21
Host information processed 0.09
Global host SED inference processed 402.12
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
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) = 21h29m21.13s, -13d16m32.32s
semi major axis, semi minor axis (arcsec) = 0.89, 0.89
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) = 21h29m21.12s, -13d16m30.66s
semi major axis, semi minor axis (arcsec) = 7.43, 4.19
angle (degrees, anti-clockwise from east) = -136.36

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 88.2 0.57 19.036 0.007 AB
PanSTARRS_g 92.49 1.22 18.985 0.014 AB
PanSTARRS_r 144.38 1.57 18.501 0.012 AB
PanSTARRS_i 192.81 1.13 18.187 0.006 AB
PanSTARRS_z 223.71 3.96 18.026 0.019 AB
PanSTARRS_y 259.21 8.86 17.866 0.037 AB
2MASS_J 243.21 135.39 17.040 0.604 Vega
2MASS_H 212.28 169.87 16.715 0.869 Vega
2MASS_K 165.63 239.36 16.514 1.569 Vega
WISE_W1 119.3 12.36 16.009 0.112 Vega
WISE_W2 71.49 16.12 15.925 0.245 Vega
WISE_W3 278.82 95.79 12.613 0.373 Vega
WISE_W4 -48.57 488.75 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})\, 9.782 9.944 10.065
{\rm log}_{10}({\rm SFR}) -0.970 -0.201 0.488
{\rm log}_{10}({\rm sSFR}) -10.885 -10.119 -9.369
{\rm stellar\ age} 2.153 4.687 6.224

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.303 -0.757 -0.439
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.462 -0.303 0.229

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.198 0.350 0.549
\delta -0.830 -0.558 -0.239
\tau_1/\tau_2 0.590 0.978 1.377
Q_{PAH} 0.411 1.560 3.559
U_{min} 2.952 7.988 15.454
{\rm log}_{10}(\gamma_e)\, -2.700 -1.696 -0.597

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.413 -3.419 -2.225
{\rm log}_{10}(\tau_{AGN})\, 1.077 1.594 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.613 -0.540 -0.145
0.03-0.10 Gyr -1.152 -0.127 0.635
0.10-0.32 Gyr -0.341 0.433 0.885
0.32-1.05 Gyr -0.172 0.412 0.690
1.05-3.38 Gyr -0.753 0.098 0.422
3.38-10.94 Gyr -1.280 -0.157 0.154
10.94-12.15 Gyr -1.457 -0.208 0.411