2026sti results

Information

Transient
Name:AT2026sti
Right ascension: 18h08m25.82s
Declination:66d18m06.88s
Discovery Date:July 5, 2026, 6:42 a.m.
Classification:None
Redshift:None
MW E(B-V):0.033
Host
Name:J180825.80+661806.80
Object ID:9907740828042858
Catalog Name:decals
Catalog Release:dr9
Right ascension: 18h08m25.80s
Declination:66d18m06.80s
Redshift:None
Photometric Redshift:0.169
 

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_i
DES_z
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 5.28
Transient MWEBV processed 0.04
Host match processed 6.51
Host information processed 0.07
Host MWEBV processed 0.05
Global aperture construction processed 0.64
Global aperture photometry processed 3.88
Validate global photometry processed 12.01
Global host SED inference processed 408.78
Local aperture photometry processed 3.74
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):18h08m25.78s, 66d18m06.97s
semi major axis, semi minor axis (arcsec):2.38, 1.83
angle (degrees, anti-clockwise from east):-68.31
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.62 0.99 23.374 0.659 AB
GALEX_NUV 3.02 1.2 22.698 0.430 AB
PanSTARRS_g 16.98 0.64 20.825 0.041 AB
PanSTARRS_r 25.63 0.63 20.378 0.027 AB
PanSTARRS_i 35.54 0.57 20.023 0.017 AB
PanSTARRS_z 40.49 1.72 19.882 0.046 AB
PanSTARRS_y 52.85 4.62 19.592 0.095 AB
2MASS_J 64.36 69.68 18.484 1.175 Vega
2MASS_H -60.12 93.96 Vega
2MASS_K -2.54 138.06 Vega
WISE_W1 23.93 3.66 17.753 0.166 Vega
WISE_W2 18.33 5.62 17.403 0.333 Vega
WISE_W3 30.81 16.42 15.004 0.579 Vega
WISE_W4 14.79 101.92 14.355 7.481 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})\, 9.277 9.490 9.631
{\rm log}_{10}({\rm SFR}) -1.576 -0.452 0.198
{\rm log}_{10}({\rm sSFR}) -11.150 -9.988 -9.228
{\rm stellar\ age} 0.673 3.028 5.469

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.634 -1.017 -0.256
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.444 -0.273 0.257

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.405 0.640 0.910
\delta -0.538 -0.228 0.088
\tau_1/\tau_2 0.565 0.966 1.360
Q_{PAH} 0.657 1.906 3.769
U_{min} 3.066 9.132 16.940
{\rm log}_{10}(\gamma_e)\, -2.595 -1.618 -0.836

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.173 -2.822 -1.475
{\rm log}_{10}(\tau_{AGN})\, 1.034 1.551 1.933

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.400 -0.856 -0.361
0.03-0.10 Gyr -2.112 -0.420 0.341
0.10-0.32 Gyr -0.866 0.107 0.688
0.32-1.02 Gyr -0.822 0.095 0.552
1.02-3.28 Gyr -2.728 -0.504 -0.069
3.28-10.48 Gyr -3.473 -0.932 -0.321
10.48-11.65 Gyr -3.573 -0.984 -0.162