2026dtt results

Information

Transient
Name:AT2026dtt
Right ascension: 10h31m39.75s
Declination:29d37m31.86s
Discovery Date:Feb. 17, 2026, 8:42 a.m.
Classification:None
Redshift:None
MW E(B-V):0.018
Host
Name:J103139.38+293733.35
Right ascension: 10h31m39.38s
Declination:29d37m33.35s
Redshift:None
Photometric Redshift:0.095
 

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: completed

Task Name Status Time (s)
Cutout download processed 17.12
Transient MWEBV processed 0.04
Host match processed 4.8
Host information processed 0.15
Host MWEBV processed 0.06
Global aperture construction processed 0.62
Global aperture photometry processed 5.79
Validate global photometry processed 18.36
Global host SED inference processed 401.84
Local aperture photometry processed 5.57
Validate local photometry processed 0.03
Local host SED inference processed 469.18
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):10h31m39.75s, 29d37m31.86s
semi major axis, semi minor axis (arcsec):1.13, 1.13
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 2.66 0.5 22.839 0.206 AB
PanSTARRS_i 3.02 0.31 22.699 0.113 AB
PanSTARRS_z 2.3 0.68 22.995 0.320 AB
DES_z 3.28 0.73 22.610 0.243 AB
PanSTARRS_y 3.1 1.28 22.671 0.448 AB

Aperture details

RA, DEC (J2000):10h31m39.37s, 29d37m33.69s
semi major axis, semi minor axis (arcsec):6.68, 3.33
angle (degrees, anti-clockwise from east):-75.33
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 5.69 1.65 22.013 0.316 AB
GALEX_NUV 11.4 0.64 21.258 0.061 AB
SDSS_u 37.7 3.91 19.959 0.113 AB
SDSS_g 87.86 2.73 19.040 0.034 AB
DES_g 86.07 1.34 19.063 0.017 AB
PanSTARRS_g 90.27 0.89 19.011 0.011 AB
SDSS_r 155.05 3.82 18.424 0.027 AB
PanSTARRS_r 150.73 1.13 18.454 0.008 AB
DES_r 162.53 3.8 18.373 0.025 AB
SDSS_i 213.72 5.24 18.075 0.027 AB
PanSTARRS_i 223.97 1.3 18.025 0.006 AB
PanSTARRS_z 249.68 2.77 17.907 0.012 AB
SDSS_z 277.93 15.95 17.790 0.062 AB
DES_z 270.2 5.31 17.821 0.021 AB
PanSTARRS_y 281.17 5.21 17.778 0.020 AB
2MASS_J 293.95 89.61 16.834 0.331 Vega
2MASS_H 658.13 125.77 15.487 0.207 Vega
2MASS_K 365.87 156.1 15.654 0.463 Vega
WISE_W1 166.13 10.55 15.650 0.069 Vega
WISE_W2 94.31 14.6 15.625 0.168 Vega
WISE_W3 66.17 61.06 14.174 1.002 Vega
WISE_W4 -255.82 303.72 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.529 7.910 8.251
{\rm log}_{10}({\rm SFR}) -1.227 -0.757 -0.258
{\rm log}_{10}({\rm sSFR}) -9.313 -8.506 -7.964
{\rm stellar\ age} 0.057 1.672 5.940

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.657 -1.151 -0.436
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.312 -0.443 0.134

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.059 1.699 2.273
\delta -0.114 0.089 0.257
\tau_1/\tau_2 0.707 1.132 1.552
Q_{PAH} 0.827 2.451 5.127
U_{min} 3.321 9.819 17.711
{\rm log}_{10}(\gamma_e)\, -3.136 -2.004 -0.709

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.724 -0.422 0.282
{\rm log}_{10}(\tau_{AGN})\, 0.915 1.343 1.851

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.987 -0.469 0.103
0.03-0.10 Gyr -3.082 -1.408 -0.578
0.10-0.33 Gyr -4.097 -1.790 -0.962
0.33-1.06 Gyr -5.451 -2.287 -1.416
1.06-3.46 Gyr -6.562 -2.933 -1.675
3.46-11.26 Gyr -7.368 -3.232 -1.833
11.26-12.51 Gyr -7.542 -3.182 -1.713

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.962 10.012 10.096
{\rm log}_{10}({\rm SFR}) -0.241 0.056 0.330
{\rm log}_{10}({\rm sSFR}) -10.243 -9.958 -9.697
{\rm stellar\ age} 7.152 7.957 10.426

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.934 -0.594 -0.394
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.076 0.300 0.431

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.164 0.257 0.432
\delta -0.834 -0.541 -0.233
\tau_1/\tau_2 0.760 1.146 1.549
Q_{PAH} 0.961 2.411 4.340
U_{min} 2.625 7.324 13.941
{\rm log}_{10}(\gamma_e)\, -2.737 -1.847 -0.814

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.289 -3.221 -2.164
{\rm log}_{10}(\tau_{AGN})\, 1.011 1.467 1.899

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.468 -0.306 -0.159
0.03-0.10 Gyr -0.211 0.160 0.463
0.10-0.33 Gyr -1.163 -0.480 -0.148
0.33-1.06 Gyr -1.584 -0.796 -0.458
1.06-3.46 Gyr -1.378 -0.601 -0.188
3.46-11.26 Gyr -0.216 0.174 0.274
11.26-12.51 Gyr -0.072 0.477 1.101