2026aczt results

Information

Transient
Name:AT2026aczt
Right ascension: 8h35m30.99s
Declination:30d27m31.09s
Discovery Date:Sept. 16, 2026, 3:12 p.m.
Classification:None
Redshift:None
MW E(B-V):0.035
Host
Name:J083531.28+302726.78
Object ID:9906632444020572
Catalog Name:decals
Catalog Release:dr9
Right ascension: 8h35m31.28s
Declination:30d27m26.78s
Redshift:None
Photometric Redshift:0.100
 
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 23.64
Transient MWEBV processed 0.16
Host match processed 5.45
Host information processed 0.14
Host MWEBV processed 0.18
Host spectrum download processed 0.06
Global aperture construction processed 2.6
Global aperture photometry processed 8.26
Validate global photometry processed 20.46
Global host SED inference processed 3867.3
Local aperture photometry processed 8.17
Validate local photometry processed 0.03
Local host SED inference processed 422.34
 

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})\, 7.571 8.028 8.341
{\rm log}_{10}({\rm SFR}) -1.737 -1.201 -0.750
{\rm log}_{10}({\rm sSFR}) -9.967 -9.203 -8.258
{\rm stellar\ age} 0.780 4.979 6.966

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.519 -0.831 -0.174
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.600 -0.781 0.068

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.298 0.717 1.283
\delta -0.357 0.036 0.289
\tau_1/\tau_2 0.667 0.987 1.304
Q_{PAH} 1.023 2.590 4.693
U_{min} 2.823 8.102 16.642
{\rm log}_{10}(\gamma_e)\, -3.020 -1.995 -0.838

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.302 -2.692 -0.532
{\rm log}_{10}(\tau_{AGN})\, 0.965 1.411 1.907

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.900 -1.134 -0.671
0.03-0.10 Gyr -2.247 -1.405 -0.792
0.10-0.33 Gyr -2.710 -1.674 -1.079
0.33-1.06 Gyr -3.438 -1.957 -1.443
1.06-3.44 Gyr -3.899 -1.986 -1.524
3.44-11.21 Gyr -4.244 -2.116 -1.570
11.21-12.45 Gyr -4.386 -2.123 -1.369

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.575 10.717 10.836
{\rm log}_{10}({\rm SFR}) -0.578 0.933 1.901
{\rm log}_{10}({\rm sSFR}) -11.330 -9.789 -8.794
{\rm stellar\ age} 0.228 0.839 2.732

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.901 -1.712 -1.405
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.886 -0.203 0.280

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.373 0.547 0.715
\delta -0.965 -0.879 -0.771
\tau_1/\tau_2 0.459 0.865 1.307
Q_{PAH} 0.126 0.436 1.100
U_{min} 3.816 10.803 18.763
{\rm log}_{10}(\gamma_e)\, -3.586 -2.880 -1.836

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.840 -4.417 -3.650
{\rm log}_{10}(\tau_{AGN})\, 1.268 1.664 1.983

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.384 0.559 1.498
0.03-0.10 Gyr -1.659 0.484 2.011
0.10-0.33 Gyr -1.023 1.416 2.343
0.33-1.06 Gyr -1.295 1.158 1.984
1.06-3.44 Gyr -2.553 -0.316 1.142
3.44-11.21 Gyr -4.227 -1.771 0.058
11.21-12.45 Gyr -5.498 -2.021 0.410
 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h35m30.99s, 30d27m31.09s
semi major axis, semi minor axis (arcsec):1.09, 1.09
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 3.17 0.23 22.648 0.079 AB
DES_i 2.61 0.52 22.859 0.216 AB
PanSTARRS_z 3.41 0.71 22.568 0.227 AB
DES_z 3.19 0.62 22.641 0.212 AB
PanSTARRS_y 2.94 1.8 22.731 0.667 AB

Aperture details

RA, DEC (J2000):8h35m31.25s, 30d27m26.98s
semi major axis, semi minor axis (arcsec):11.98, 9.19
angle (degrees, anti-clockwise from east):204.72
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 26.65 1.42 20.336 0.058 AB
GALEX_NUV 44.29 1.23 19.784 0.030 AB
SDSS_u 546.56 9.55 17.056 0.019 AB
PanSTARRS_g 1817.57 3.27 15.751 0.002 AB
SDSS_i 3475.18 17.72 15.048 0.006 AB
PanSTARRS_i 3420.06 5.38 15.065 0.002 AB
PanSTARRS_z 3529.3 6.98 15.031 0.002 AB
SDSS_z 3617.45 37.52 15.004 0.011 AB
DES_z 3594.56 15.43 15.011 0.005 AB
PanSTARRS_y 3824.55 17.38 14.944 0.005 AB
2MASS_H 3335.77 299.76 13.724 0.098 Vega
WISE_W1 762.31 24.08 13.996 0.034 Vega
WISE_W2 406.44 26.9 14.039 0.072 Vega
WISE_W3 37.58 132.02 14.788 3.814 Vega
WISE_W4 -115.35 639.06 Vega