2026dgt results

Information

Transient
Name:AT2026dgt
Right ascension: 8h49m25.51s
Declination:29d30m37.80s
Discovery Date:Feb. 15, 2026, 7:31 a.m.
Classification:None
Redshift:None
MW E(B-V):0.030
Host
Name:UGC04617
Right ascension: 8h49m27.20s
Declination:29d31m11.66s
Redshift:0.027616
Photometric Redshift:None
 
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.63
Transient MWEBV processed 0.11
Host match processed 4.86
Host information processed 0.06
Host MWEBV processed 0.04
Host spectrum download not processed None
Global aperture construction processed 0.68
Global aperture photometry processed 6.25
Validate global photometry processed 15.88
Global host SED inference processed 564.48
Local aperture photometry processed 6.63
Validate local photometry processed 0.03
Local host SED inference processed 495.57
 

Imaging data


 

Spectral Energy Distribution



 

Host Galaxy Spectrum

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 6.865 7.218 7.496
{\rm log}_{10}({\rm SFR}) -2.246 -1.657 -1.189
{\rm log}_{10}({\rm sSFR}) -9.591 -8.896 -8.085
{\rm stellar\ age} 0.559 4.793 7.275

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.769 -1.324 -0.529
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.283 -0.675 -0.226

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.712 1.238 1.656
\delta -0.105 0.180 0.334
\tau_1/\tau_2 0.501 0.890 1.321
Q_{PAH} 0.591 1.829 4.426
U_{min} 2.868 8.275 15.465
{\rm log}_{10}(\gamma_e)\, -3.047 -2.006 -1.039

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.634 -0.969 0.049
{\rm log}_{10}(\tau_{AGN})\, 1.091 1.494 1.941

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.221 -1.602 -1.217
0.03-0.10 Gyr -2.577 -1.788 -1.139
0.10-0.33 Gyr -4.171 -2.571 -1.888
0.33-1.10 Gyr -4.736 -2.869 -2.243
1.10-3.64 Gyr -5.231 -2.976 -2.427
3.64-12.05 Gyr -5.486 -2.990 -2.435
12.05-13.39 Gyr -5.310 -3.053 -2.304

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.321 10.382 10.469
{\rm log}_{10}({\rm SFR}) -0.402 -0.069 0.376
{\rm log}_{10}({\rm sSFR}) -10.791 -10.437 -10.044
{\rm stellar\ age} 7.434 8.209 10.811

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.943 -0.665 -0.497
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.931 -1.792 -1.429

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.141 0.232 0.385
\delta -0.237 0.080 0.301
\tau_1/\tau_2 0.373 0.748 1.144
Q_{PAH} 0.373 1.472 3.932
U_{min} 3.096 8.016 15.360
{\rm log}_{10}(\gamma_e)\, -3.427 -2.472 -1.485

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.768 -4.255 -3.474
{\rm log}_{10}(\tau_{AGN})\, 1.116 1.678 2.020

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.713 -0.166 0.021
0.03-0.10 Gyr -0.581 -0.043 0.496
0.10-0.33 Gyr -0.811 -0.116 0.277
0.33-1.10 Gyr -1.694 -0.355 -0.001
1.10-3.64 Gyr -1.176 -0.093 0.306
3.64-12.05 Gyr 0.102 0.510 0.632
12.05-13.39 Gyr 0.118 0.725 1.414
 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h49m25.51s, 29d30m37.80s
semi major axis, semi minor axis (arcsec):3.61, 3.61
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 1.24 2.81 23.669 2.464 AB
SDSS_g 4.56 1.19 22.253 0.283 AB
DES_g 5.87 0.31 21.979 0.058 AB
PanSTARRS_g 3.99 0.79 22.397 0.215 AB
SDSS_r 3.0 1.65 22.706 0.598 AB
PanSTARRS_r 0.11 0.93 26.339 9.511 AB
DES_r 4.13 0.81 22.361 0.213 AB
SDSS_i 5.84 2.56 21.984 0.476 AB
PanSTARRS_i 3.41 1.23 22.568 0.391 AB
PanSTARRS_z 8.26 2.46 21.607 0.323 AB
SDSS_z -24.84 12.88 AB
DES_z 7.65 1.54 21.691 0.218 AB
PanSTARRS_y 1.0 6.24 23.898 6.762 AB
2MASS_J 43.35 64.19 18.913 1.607 Vega
2MASS_H 66.26 97.55 17.979 1.598 Vega
2MASS_K 52.41 115.22 17.764 2.387 Vega

Aperture details

RA, DEC (J2000):8h49m27.23s, 29d31m12.46s
semi major axis, semi minor axis (arcsec):50.2, 17.77
angle (degrees, anti-clockwise from east):-124.18
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 278.74 4.62 17.787 0.018 AB
PanSTARRS_g 2863.25 7.03 15.258 0.003 AB
PanSTARRS_r 5098.18 7.62 14.631 0.002 AB
PanSTARRS_i 6007.88 11.06 14.453 0.002 AB
PanSTARRS_z 7595.08 20.76 14.199 0.003 AB
PanSTARRS_y 7332.17 53.85 14.237 0.008 AB
2MASS_J 10224.14 535.23 12.981 0.057 Vega
2MASS_H 12027.18 812.26 12.332 0.073 Vega
2MASS_K 9011.22 959.74 12.175 0.116 Vega
WISE_W1 4922.27 63.57 11.971 0.014 Vega
WISE_W2 2343.71 105.08 12.136 0.049 Vega
WISE_W4 3871.83 1961.08 8.310 0.550 Vega