2025dda

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Information

Transient

Name: AT2025dda
Right ascension: 7h27m57.91s
Declination: -4d24m11.40s
Discovery Date: March 2, 2025, 3:04 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.122

Host

Name: 2025dda
Right ascension: 7h27m58.15s
Declination: -4d24m09.40s
Redshift: None
Photometric Redshift: 0.170
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 5.28
Cutout download processed 2.68
Global aperture construction processed 0.61
Local aperture photometry processed 3.26
Global aperture photometry processed 3.44
Validate local photometry no valid phot 0.02
Validate global photometry processed 9.92
Host information processed 0.08
Global host SED inference processed 459.64
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.12
Host MWEBV processed 0.05
Log transient processing status blocked None
 

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) = 7h27m57.91s, -4d24m11.40s
semi major axis, semi minor axis (arcsec) = 0.69, 0.69
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) = 7h27m58.14s, -4d24m09.26s
semi major axis, semi minor axis (arcsec) = 3.14, 2.93
angle (degrees, anti-clockwise from east) = -142.83

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 146.2 1.08 18.488 0.008 AB
PanSTARRS_i 205.1 1.15 18.120 0.006 AB
PanSTARRS_z 234.9 2.08 17.973 0.010 AB
PanSTARRS_y 245.39 5.37 17.925 0.024 AB
 

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})\, 10.036 10.243 10.456
{\rm log}_{10}({\rm SFR}) -0.328 0.531 1.206
{\rm log}_{10}({\rm sSFR}) -10.637 -9.688 -8.983
{\rm stellar\ age} 0.693 3.332 6.092

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.576 -0.997 -0.406
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.542 -0.526 0.178

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.216 0.472 0.845
\delta -0.737 -0.315 0.171
\tau_1/\tau_2 0.530 1.010 1.445
Q_{PAH} 0.453 1.777 4.031
U_{min} 2.811 8.377 15.689
{\rm log}_{10}(\gamma_e)\, -3.391 -1.729 -0.689

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.880 -2.145 -0.627
{\rm log}_{10}(\tau_{AGN})\, 0.931 1.327 1.800

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.608 0.223 0.615
0.03-0.10 Gyr -1.012 0.568 1.340
0.10-0.32 Gyr -0.740 0.811 1.386
0.32-1.02 Gyr -0.573 0.663 1.266
1.02-3.27 Gyr -2.014 0.166 0.678
3.27-10.48 Gyr -2.728 -0.174 0.532
10.48-11.64 Gyr -2.975 -0.212 0.706