2026chc results

Information

Transient
Name:AT2026chc
Right ascension: 1h19m20.60s
Declination:2d56m51.70s
Discovery Date:Feb. 3, 2026, 2:37 a.m.
Classification:None
Redshift:None
MW E(B-V):0.029
Host
Name:
Right ascension: 1h19m20.47s
Declination:2d56m48.12s
Redshift:None
Photometric Redshift:0.106
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
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
GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 17.64
Transient MWEBV processed 0.11
Host match processed 7.17
Host information processed 0.13
Host MWEBV processed 0.3
Global aperture construction processed 0.65
Global aperture photometry processed 6.6
Validate global photometry processed 18.15
Global host SED inference processed 669.7
Local aperture photometry processed 6.7
Validate local photometry processed 0.02
Local host SED inference processed 597.95
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):1h19m20.60s, 2d56m51.70s
semi major axis, semi minor axis (arcsec):1.03, 1.03
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 25.94 0.51 20.365 0.021 AB
PanSTARRS_y 24.49 1.7 20.427 0.075 AB

Aperture details

RA, DEC (J2000):1h19m20.45s, 2d56m48.64s
semi major axis, semi minor axis (arcsec):10.85, 5.34
angle (degrees, anti-clockwise from east):-163.82
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 127.13 6.56 18.639 0.056 AB
SDSS_g 273.72 4.79 17.807 0.019 AB
DES_g 301.25 0.76 17.703 0.003 AB
PanSTARRS_g 303.99 1.88 17.693 0.007 AB
SDSS_r 543.2 6.79 17.063 0.014 AB
PanSTARRS_r 533.87 2.03 17.081 0.004 AB
DES_r 583.03 1.24 16.986 0.002 AB
SDSS_i 753.68 8.97 16.707 0.013 AB
PanSTARRS_i 752.07 2.2 16.709 0.003 AB
PanSTARRS_z 942.48 4.87 16.464 0.006 AB
SDSS_z 933.3 20.21 16.475 0.024 AB
DES_z 970.88 3.24 16.432 0.004 AB
PanSTARRS_y 1075.29 12.49 16.321 0.013 AB
2MASS_J 1137.46 182.83 15.365 0.175 Vega
2MASS_H 1606.31 291.93 14.518 0.197 Vega
2MASS_K 1645.59 327.05 14.021 0.216 Vega
WISE_W1 607.26 16.35 14.243 0.029 Vega
WISE_W2 386.11 19.57 14.094 0.055 Vega
WISE_W3 653.37 84.3 11.688 0.140 Vega
WISE_W4 292.08 390.16 11.116 1.450 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.603 8.940 9.205
{\rm log}_{10}({\rm SFR}) -0.949 -0.495 0.027
{\rm log}_{10}({\rm sSFR}) -10.022 -9.444 -8.757
{\rm stellar\ age} 1.539 5.544 7.845

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.563 -0.723 -0.066
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.340 -0.618 0.137

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.452 0.847 1.294
\delta -0.571 -0.088 0.205
\tau_1/\tau_2 0.460 0.848 1.309
Q_{PAH} 1.174 3.190 5.371
U_{min} 3.137 8.266 15.337
{\rm log}_{10}(\gamma_e)\, -3.116 -2.072 -0.829

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.138 -0.996 -0.127
{\rm log}_{10}(\tau_{AGN})\, 1.041 1.510 1.960

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.846 -0.305 0.109
0.03-0.10 Gyr -2.071 -0.895 -0.058
0.10-0.32 Gyr -3.042 -1.257 -0.504
0.32-1.06 Gyr -3.169 -1.139 -0.388
1.06-3.43 Gyr -2.901 -1.240 -0.733
3.43-11.14 Gyr -2.768 -1.151 -0.678
11.14-12.38 Gyr -2.766 -1.148 -0.282

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.650 10.716 10.830
{\rm log}_{10}({\rm SFR}) -0.736 0.225 1.034
{\rm log}_{10}({\rm sSFR}) -11.529 -10.513 -9.662
{\rm stellar\ age} 7.131 8.295 11.561

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.245 -0.894 -0.675
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.516 -0.354 0.329

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.107 0.251 0.406
\delta -0.847 -0.468 0.071
\tau_1/\tau_2 0.521 0.962 1.440
Q_{PAH} 0.518 1.679 3.900
U_{min} 3.102 9.616 18.121
{\rm log}_{10}(\gamma_e)\, -3.058 -1.953 -0.845

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.211 -3.042 -2.054
{\rm log}_{10}(\tau_{AGN})\, 1.213 1.694 2.015

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.621 -1.842 -0.531
0.03-0.10 Gyr -0.656 0.372 1.198
0.10-0.32 Gyr -2.856 -0.703 0.301
0.32-1.06 Gyr -4.696 -1.733 0.012
1.06-3.43 Gyr -3.185 -0.916 0.394
3.43-11.14 Gyr -0.811 0.822 1.006
11.14-12.38 Gyr -0.027 1.304 1.970