2026cat results

Information

Transient
Name:AT2026cat
Right ascension: 18h26m26.14s
Declination:51d26m44.36s
Discovery Date:Feb. 1, 2026, 12:28 p.m.
Classification:None
Redshift:None
MW E(B-V):0.033
Host
Name:
Right ascension: 18h26m26.04s
Declination:51d26m44.21s
Redshift:None
Photometric Redshift:0.078
 

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
DES_g
DES_z
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 7.35
Transient MWEBV processed 0.05
Host match processed 5.65
Host information processed 0.14
Host MWEBV processed 0.05
Global aperture construction processed 0.64
Global aperture photometry processed 5.33
Validate global photometry processed 14.47
Global host SED inference processed 436.55
Local aperture photometry processed 4.89
Validate local photometry processed 0.02
Local host SED inference processed 407.02
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):18h26m26.14s, 51d26m44.36s
semi major axis, semi minor axis (arcsec):1.35, 1.35
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 12.97 0.24 21.118 0.020 AB
PanSTARRS_g 13.15 0.29 21.102 0.024 AB
PanSTARRS_r 16.66 0.46 20.846 0.030 AB
PanSTARRS_i 22.33 0.37 20.528 0.018 AB
PanSTARRS_z 22.14 1.09 20.537 0.054 AB
DES_z 26.08 1.0 20.359 0.042 AB
PanSTARRS_y 24.2 2.37 20.441 0.106 AB

Aperture details

RA, DEC (J2000):18h26m26.03s, 51d26m44.44s
semi major axis, semi minor axis (arcsec):3.31, 2.79
angle (degrees, anti-clockwise from east):-53.69
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.53 1.86 21.863 0.310 AB
GALEX_NUV 6.69 1.39 21.837 0.226 AB
DES_g 29.19 0.37 20.237 0.014 AB
PanSTARRS_g 29.88 0.65 20.211 0.024 AB
PanSTARRS_r 36.16 1.02 20.004 0.031 AB
PanSTARRS_i 45.88 0.81 19.746 0.019 AB
PanSTARRS_z 49.63 2.38 19.661 0.052 AB
DES_z 50.04 1.53 19.652 0.033 AB
PanSTARRS_y 53.8 5.14 19.573 0.104 AB
2MASS_J -84.21 99.01 Vega
2MASS_H -38.52 162.45 Vega
2MASS_K 302.25 170.58 15.861 0.613 Vega
WISE_W1 12.21 9.31 18.484 0.827 Vega
WISE_W2 7.52 10.96 18.370 1.582 Vega
WISE_W3 -4.1 27.72 Vega
WISE_W4 -119.86 151.84 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.345 8.530 8.666
{\rm log}_{10}({\rm SFR}) -1.555 -1.105 -0.535
{\rm log}_{10}({\rm sSFR}) -10.140 -9.602 -8.956
{\rm stellar\ age} 0.937 4.229 6.224

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.533 -0.915 -0.224
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.467 -0.879 -0.131

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.190 0.502 1.031
\delta -0.502 -0.050 0.231
\tau_1/\tau_2 0.716 1.081 1.468
Q_{PAH} 1.011 2.660 5.156
U_{min} 2.749 7.834 14.711
{\rm log}_{10}(\gamma_e)\, -2.820 -1.721 -0.769

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.644 -0.243 0.154
{\rm log}_{10}(\tau_{AGN})\, 1.147 1.458 1.950

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.553 -1.237 -0.818
0.03-0.10 Gyr -1.722 -1.098 -0.438
0.10-0.33 Gyr -1.525 -0.876 -0.342
0.33-1.07 Gyr -1.676 -1.009 -0.664
1.07-3.50 Gyr -2.611 -1.399 -1.083
3.50-11.45 Gyr -3.299 -1.654 -1.283
11.45-12.72 Gyr -3.237 -1.740 -1.145

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.618 8.819 8.976
{\rm log}_{10}({\rm SFR}) -0.911 -0.380 0.387
{\rm log}_{10}({\rm sSFR}) -9.812 -9.205 -8.246
{\rm stellar\ age} 0.248 3.894 6.462

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.642 -1.075 -0.300
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.598 -0.839 0.061

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.135 0.557 1.338
\delta -0.229 0.105 0.290
\tau_1/\tau_2 0.650 1.097 1.530
Q_{PAH} 1.259 3.346 5.328
U_{min} 3.352 9.139 16.891
{\rm log}_{10}(\gamma_e)\, -3.092 -2.026 -0.730

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.604 -1.141 -0.325
{\rm log}_{10}(\tau_{AGN})\, 1.089 1.513 1.868

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.977 -1.109 -0.687
0.03-0.10 Gyr -0.850 -0.261 0.546
0.10-0.33 Gyr -1.035 -0.389 0.277
0.33-1.07 Gyr -2.913 -1.124 -0.640
1.07-3.50 Gyr -4.442 -1.388 -0.928
3.50-11.45 Gyr -4.977 -1.553 -1.034
11.45-12.72 Gyr -5.161 -1.530 -0.769