2025ltb

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Information

Transient

Name: AT2025ltb
Right ascension: 10h47m20.06s
Declination: -4d02m28.17s
Discovery Date: April 1, 2025, 2:37 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.036

Host

Name: 2025ltb
Right ascension: 10h47m23.40s
Declination: -4d04m21.58s
Redshift: None
Photometric Redshift: 0.189
 

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 11.35
Cutout download processed 5.25
Global aperture construction processed 0.65
Local aperture photometry processed 6.14
Global aperture photometry processed 6.28
Validate local photometry no valid phot 0.02
Validate global photometry processed 15.9
Host information processed 0.08
Global host SED inference processed 409.59
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.05
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) = 10h47m20.06s, -4d02m28.17s
semi major axis, semi minor axis (arcsec) = 0.63, 0.63
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) = 10h47m23.39s, -4d04m21.47s
semi major axis, semi minor axis (arcsec) = 3.23, 3.1
angle (degrees, anti-clockwise from east) = -179.21

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.62 0.79 24.416 1.388 AB
GALEX_NUV 6.91 1.29 21.802 0.203 AB
DES_g 37.15 0.32 19.975 0.009 AB
PanSTARRS_g 35.36 0.67 20.029 0.020 AB
PanSTARRS_r 71.63 0.86 19.262 0.013 AB
DES_r 78.94 0.81 19.157 0.011 AB
PanSTARRS_i 93.46 1.13 18.973 0.013 AB
PanSTARRS_z 121.12 1.88 18.692 0.017 AB
DES_z 129.82 2.32 18.617 0.019 AB
PanSTARRS_y 149.31 4.9 18.465 0.036 AB
2MASS_J 50.05 113.72 18.757 2.467 Vega
2MASS_H 16.77 185.1 19.471 11.983 Vega
2MASS_K 16.81 214.45 18.998 13.849 Vega
WISE_W1 63.48 9.53 16.694 0.163 Vega
WISE_W2 35.39 9.88 16.689 0.303 Vega
WISE_W3 35.92 52.41 14.838 1.584 Vega
WISE_W4 527.74 427.32 10.474 0.879 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})\, 10.250 10.305 10.393
{\rm log}_{10}({\rm SFR}) -0.023 0.392 0.688
{\rm log}_{10}({\rm sSFR}) -10.362 -9.917 -9.606
{\rm stellar\ age} 5.979 6.704 8.739

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.950 -0.570 -0.244
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.426 -0.700 -0.037

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.128 0.239 0.444
\delta -0.618 -0.265 0.047
\tau_1/\tau_2 0.712 1.104 1.508
Q_{PAH} 1.237 3.061 5.203
U_{min} 3.718 9.512 16.674
{\rm log}_{10}(\gamma_e)\, -1.644 -0.724 -0.228

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.011 -2.586 -1.525
{\rm log}_{10}(\tau_{AGN})\, 1.114 1.568 1.926

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.703 -0.764 -0.314
0.03-0.10 Gyr 0.103 0.542 0.843
0.10-0.32 Gyr -0.181 0.389 0.680
0.32-1.01 Gyr -0.774 -0.024 0.255
1.01-3.23 Gyr -0.701 0.099 0.379
3.23-10.28 Gyr 0.143 0.476 0.590
10.28-11.42 Gyr 0.042 0.699 1.315