2026ddi results

Information

Transient
Name:AT2026ddi
Right ascension: 13h54m03.57s
Declination:5d30m55.15s
Discovery Date:Jan. 18, 2026, 2:18 p.m.
Classification:None
Redshift:None
MW E(B-V):0.021
Host
Name:
Right ascension: 13h54m03.59s
Declination:5d30m58.05s
Redshift:None
Photometric Redshift:0.188
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 18.96
Transient MWEBV processed 0.06
Host match processed 5.65
Host information processed 0.13
Host MWEBV processed 0.05
Global aperture construction processed 0.64
Global aperture photometry processed 7.04
Validate global photometry processed 19.64
Global host SED inference processed 387.9
Local aperture photometry processed 6.77
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):13h54m03.62s, 5d30m58.07s
semi major axis, semi minor axis (arcsec):4.92, 2.33
angle (degrees, anti-clockwise from east):-152.16
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.24 0.51 22.623 0.170 AB
GALEX_NUV 4.8 0.38 22.197 0.086 AB
SDSS_u 10.3 2.79 21.368 0.294 AB
SDSS_g 27.35 1.73 20.307 0.069 AB
DES_g 32.41 0.42 20.123 0.014 AB
PanSTARRS_g 29.74 0.7 20.217 0.026 AB
SDSS_r 59.93 2.56 19.456 0.046 AB
PanSTARRS_r 60.06 1.11 19.454 0.020 AB
DES_r 66.95 0.97 19.336 0.016 AB
SDSS_i 83.86 3.55 19.091 0.046 AB
PanSTARRS_i 79.9 0.98 19.144 0.013 AB
PanSTARRS_z 90.18 1.75 19.012 0.021 AB
SDSS_z 126.29 9.78 18.647 0.084 AB
DES_z 101.89 2.36 18.880 0.025 AB
PanSTARRS_y 118.35 4.31 18.717 0.040 AB
2MASS_J 134.72 109.59 17.682 0.883 Vega
2MASS_H 103.58 146.32 17.494 1.534 Vega
2MASS_K 4.64 205.39 20.396 48.044 Vega
WISE_W1 50.54 6.97 16.942 0.150 Vega
WISE_W2 31.18 9.44 16.826 0.329 Vega
WISE_W3 64.23 48.34 14.207 0.817 Vega
WISE_W4 240.67 275.23 11.326 1.242 Vega
 

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})\, 10.081 10.146 10.205
{\rm log}_{10}({\rm SFR}) -0.044 0.329 0.642
{\rm log}_{10}({\rm sSFR}) -10.213 -9.798 -9.490
{\rm stellar\ age} 5.462 6.237 7.261

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.917 -0.405 -0.137
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.338 -0.481 -0.057

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.178 0.323 0.535
\delta -0.647 -0.301 -0.039
\tau_1/\tau_2 0.780 1.141 1.507
Q_{PAH} 1.263 3.084 5.133
U_{min} 3.286 8.760 15.813
{\rm log}_{10}(\gamma_e)\, -2.041 -0.969 -0.304

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.122 -2.842 -1.592
{\rm log}_{10}(\tau_{AGN})\, 1.036 1.525 1.935

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.337 -0.006 0.229
0.03-0.10 Gyr 0.010 0.426 0.763
0.10-0.32 Gyr -0.038 0.286 0.540
0.32-1.01 Gyr -0.259 0.088 0.339
1.01-3.23 Gyr -0.193 0.136 0.327
3.23-10.30 Gyr 0.107 0.299 0.414
10.30-11.44 Gyr -0.040 0.422 0.863