2026cht results

Information

Transient
Name:AT2026cht
Right ascension: 9h20m49.75s
Declination:6d03m18.42s
Discovery Date:Feb. 6, 2026, 11:46 p.m.
Classification:None
Redshift:None
MW E(B-V):0.044
Host
Name:1293791
Right ascension: 9h20m49.83s
Declination:6d03m27.49s
Redshift:0.054289
Photometric Redshift:None
 

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 19.26
Transient MWEBV processed 0.11
Host match processed 4.39
Host information processed 0.1
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 6.87
Validate global photometry processed 19.83
Global host SED inference processed 409.02
Local aperture photometry processed 6.65
Validate local photometry processed 0.03
Local host SED inference processed 433.06
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):9h20m49.75s, 6d03m18.42s
semi major axis, semi minor axis (arcsec):1.9, 1.9
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 0.92 1.37 23.995 1.626 AB
SDSS_g 8.68 0.93 21.554 0.116 AB
DES_g 8.74 0.16 21.546 0.019 AB
PanSTARRS_g 8.44 0.44 21.584 0.057 AB
SDSS_r 13.69 1.26 21.059 0.100 AB
PanSTARRS_r 13.19 0.38 21.099 0.031 AB
DES_r 14.86 0.34 20.970 0.025 AB
SDSS_i 16.73 1.75 20.841 0.114 AB
PanSTARRS_i 14.52 0.73 20.995 0.054 AB
PanSTARRS_z 19.39 1.15 20.681 0.064 AB
SDSS_z 18.2 4.97 20.750 0.297 AB
DES_z 21.76 0.79 20.556 0.040 AB
PanSTARRS_y 18.37 3.02 20.740 0.178 AB

Aperture details

RA, DEC (J2000):9h20m49.80s, 6d03m26.68s
semi major axis, semi minor axis (arcsec):11.32, 8.92
angle (degrees, anti-clockwise from east):-158.05
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 22.55 1.31 20.517 0.063 AB
GALEX_NUV 34.82 1.1 20.045 0.034 AB
SDSS_u 95.08 7.52 18.955 0.086 AB
SDSS_g 480.68 6.35 17.195 0.014 AB
DES_g 486.72 1.05 17.182 0.002 AB
PanSTARRS_g 486.19 2.38 17.183 0.005 AB
SDSS_r 875.81 8.85 16.544 0.011 AB
PanSTARRS_r 891.11 2.04 16.525 0.002 AB
DES_r 952.76 2.36 16.453 0.003 AB
SDSS_i 1214.02 11.7 16.189 0.010 AB
PanSTARRS_i 1206.56 3.83 16.196 0.003 AB
PanSTARRS_z 1436.89 6.07 16.006 0.005 AB
SDSS_z 1451.09 27.5 15.996 0.021 AB
DES_z 1558.43 5.8 15.918 0.004 AB
PanSTARRS_y 1704.62 15.82 15.821 0.010 AB
2MASS_J 1680.85 298.55 14.941 0.193 Vega
2MASS_H 3149.14 390.48 13.787 0.135 Vega
2MASS_K 2143.74 511.6 13.734 0.259 Vega
WISE_W1 968.34 23.88 13.736 0.027 Vega
WISE_W2 611.96 30.38 13.594 0.054 Vega
WISE_W3 1101.09 138.77 11.121 0.137 Vega
WISE_W4 655.27 685.41 10.239 1.136 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.073 8.237 8.343
{\rm log}_{10}({\rm SFR}) -2.240 -1.734 -1.168
{\rm log}_{10}({\rm sSFR}) -10.533 -9.988 -9.290
{\rm stellar\ age} 3.316 5.891 7.264

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.277 -0.665 -0.184
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.759 -1.192 0.039

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.145 0.396 0.869
\delta -0.668 -0.257 0.096
\tau_1/\tau_2 0.667 1.020 1.368
Q_{PAH} 0.867 2.556 4.917
U_{min} 3.143 7.954 14.812
{\rm log}_{10}(\gamma_e)\, -2.887 -1.825 -0.581

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.955 -0.055 0.272
{\rm log}_{10}(\tau_{AGN})\, 1.147 1.458 1.823

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.276 -1.838 -1.389
0.03-0.10 Gyr -2.360 -1.725 -1.090
0.10-0.33 Gyr -2.243 -1.631 -1.089
0.33-1.08 Gyr -2.143 -1.566 -1.230
1.08-3.56 Gyr -2.157 -1.659 -1.432
3.56-11.73 Gyr -2.371 -1.762 -1.542
11.73-13.03 Gyr -2.520 -1.787 -1.307

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.274 10.319 10.401
{\rm log}_{10}({\rm SFR}) -0.636 -0.378 -0.110
{\rm log}_{10}({\rm sSFR}) -10.988 -10.694 -10.416
{\rm stellar\ age} 7.662 8.681 11.433

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.811 -0.633 -0.507
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.597 -0.015 0.339

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.115 0.187 0.296
\delta -0.616 -0.301 -0.037
\tau_1/\tau_2 0.617 1.018 1.455
Q_{PAH} 0.540 1.678 3.984
U_{min} 2.627 7.541 14.660
{\rm log}_{10}(\gamma_e)\, -2.981 -1.880 -1.003

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.132 -3.039 -2.131
{\rm log}_{10}(\tau_{AGN})\, 1.033 1.494 1.901

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.864 -0.522 -0.320
0.03-0.10 Gyr -0.728 -0.342 0.010
0.10-0.33 Gyr -0.753 -0.317 -0.022
0.33-1.08 Gyr -1.080 -0.504 -0.181
1.08-3.56 Gyr -1.240 -0.476 -0.018
3.56-11.73 Gyr -0.149 0.450 0.561
11.73-13.03 Gyr 0.323 0.881 1.460