2025ttb

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Information

Transient

Name: AT2025ttb
Right ascension: 0h40m21.54s
Declination: -24d42m32.00s
Discovery Date: July 22, 2025, 7:24 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.013

Host

Name: 786944
Right ascension: 0h40m21.61s
Declination: -24d42m32.30s
Redshift: 0.110957
Photometric Redshift: 0.109
 

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
processed
 status
Local host SED inference
Local host SED inference
not enough filters
 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 5.21
Cutout download processed 32.39
Global aperture construction processed 0.69
Local aperture photometry processed 5.99
Global aperture photometry processed 5.33
Validate local photometry processed 0.02
Validate global photometry processed 14.2
Host information processed 0.18
Global host SED inference processed 490.0
Local host SED inference not enough filters 22.78
Transient information processed 0.0
Transient MWEBV processed 0.1
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) = 0h40m21.54s, -24d42m32.00s
semi major axis, semi minor axis (arcsec) = 0.99, 0.99
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 303.8 1.78 17.694 0.006 AB

Aperture details

RA, DEC (J2000) = 0h40m21.55s, -24d42m32.14s
semi major axis, semi minor axis (arcsec) = 6.16, 4.41
angle (degrees, anti-clockwise from east) = -174.28

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.84 0.79 23.239 0.464 AB
GALEX_NUV 3.33 1.14 22.593 0.371 AB
DES_g 219.95 0.48 18.044 0.002 AB
PanSTARRS_g 218.62 1.12 18.051 0.006 AB
PanSTARRS_r 506.45 1.67 17.139 0.004 AB
DES_r 555.74 0.84 17.038 0.002 AB
PanSTARRS_i 738.87 2.13 16.729 0.003 AB
PanSTARRS_z 1015.89 3.75 16.383 0.004 AB
DES_z 1072.97 3.47 16.324 0.004 AB
PanSTARRS_y 1147.35 10.27 16.251 0.010 AB
2MASS_J 1622.62 157.5 14.980 0.105 Vega
2MASS_H 2178.94 268.39 14.187 0.134 Vega
2MASS_K 1789.18 264.95 13.931 0.161 Vega
WISE_W1 731.02 17.95 14.041 0.027 Vega
WISE_W2 436.62 23.2 13.961 0.058 Vega
WISE_W3 -13.02 69.55 Vega
WISE_W4 436.13 402.14 10.681 1.001 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.747 10.851 10.978
{\rm log}_{10}({\rm SFR}) -4.962 -1.871 -0.296
{\rm log}_{10}({\rm sSFR}) -15.678 -12.758 -11.184
{\rm stellar\ age} 6.605 7.837 11.630

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.402 -1.023 -0.744
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.566 -0.802 0.020

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.385 0.557 0.750
\delta -0.880 -0.699 -0.486
\tau_1/\tau_2 0.532 0.988 1.478
Q_{PAH} 0.892 2.560 5.021
U_{min} 3.202 9.781 17.745
{\rm log}_{10}(\gamma_e)\, -2.969 -1.781 -0.948

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.371 -3.338 -2.201
{\rm log}_{10}(\tau_{AGN})\, 1.138 1.644 1.980

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.418 -2.871 -0.961
0.03-0.10 Gyr -5.608 -2.026 -0.172
0.10-0.32 Gyr -4.714 -1.787 0.002
0.32-1.05 Gyr -4.419 -1.488 0.285
1.05-3.42 Gyr -3.114 -0.531 0.854
3.42-11.09 Gyr -1.344 0.821 1.150
11.09-12.32 Gyr -0.846 1.296 2.134