2026ddy results

Information

Transient
Name:AT2026ddy
Right ascension: 10h48m45.30s
Declination:84d04m14.91s
Discovery Date:Feb. 14, 2026, 10:48 a.m.
Classification:None
Redshift:None
MW E(B-V):
Host
Name:
Right ascension: 10h48m42.81s
Declination:84d04m12.47s
Redshift:None
Photometric Redshift:0.109
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
GALEX_NUV
GALEX_FUV
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_r
DES_i
DES_z
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 3.81
Transient MWEBV processed 0.09
Host match processed 4.97
Host information processed 0.17
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 3.7
Validate global photometry processed 10.56
Global host SED inference processed 534.18
Local aperture photometry processed 3.55
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):10h48m42.74s, 84d04m12.53s
semi major axis, semi minor axis (arcsec):5.6, 4.45
angle (degrees, anti-clockwise from east):-142.93
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 144.89 1.91 18.497 0.014 AB
PanSTARRS_r 375.14 2.9 17.465 0.008 AB
PanSTARRS_i 599.17 2.66 16.956 0.005 AB
PanSTARRS_z 831.81 4.24 16.600 0.006 AB
PanSTARRS_y 944.5 10.81 16.462 0.012 AB
2MASS_J 1227.33 139.67 15.283 0.124 Vega
2MASS_H 2076.26 241.62 14.239 0.126 Vega
2MASS_K 1866.52 243.11 13.885 0.141 Vega
WISE_W1 595.22 11.42 14.264 0.021 Vega
WISE_W2 375.89 12.81 14.123 0.037 Vega
WISE_W3 161.24 55.94 13.207 0.377 Vega
WISE_W4 255.84 271.1 11.260 1.150 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})\, 10.752 10.881 10.958
{\rm log}_{10}({\rm SFR}) -5.065 -2.161 -0.502
{\rm log}_{10}({\rm sSFR}) -15.894 -13.031 -11.308
{\rm stellar\ age} 7.129 10.322 11.716

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.702 -1.399 -1.110
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.607 -0.776 0.078

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.445 0.563 0.699
\delta -0.880 -0.709 -0.551
\tau_1/\tau_2 0.507 0.994 1.496
Q_{PAH} 0.616 1.995 4.908
U_{min} 4.043 10.928 19.310
{\rm log}_{10}(\gamma_e)\, -3.026 -1.942 -0.984

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.182 -2.907 -1.872
{\rm log}_{10}(\tau_{AGN})\, 1.179 1.668 2.000

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.688 -3.394 -1.202
0.03-0.10 Gyr -5.731 -2.419 -0.398
0.10-0.32 Gyr -5.328 -2.319 -0.179
0.32-1.05 Gyr -5.574 -2.538 -0.256
1.05-3.42 Gyr -3.821 -1.529 0.605
3.42-11.11 Gyr -1.859 0.372 1.116
11.11-12.34 Gyr -0.445 1.892 2.118