2026hcn results

Information

Transient
Name:AT2026hcn
Right ascension: 21h40m30.01s
Declination:7d48m23.15s
Discovery Date:March 23, 2026, 12:48 p.m.
Classification:None
Redshift:None
MW E(B-V):0.056
Host
Name:
Right ascension: 21h40m29.80s
Declination:7d48m23.15s
Redshift:None
Photometric Redshift:0.100
 

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: completed

Task Name Status Time (s)
Cutout download processed 17.71
Transient MWEBV processed 0.09
Host match processed 6.16
Host information processed 0.11
Host MWEBV processed 0.07
Global aperture construction processed 0.63
Global aperture photometry processed 5.07
Validate global photometry processed 15.99
Global host SED inference processed 421.55
Local aperture photometry processed 4.94
Validate local photometry processed 0.03
Local host SED inference processed 586.1
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):21h40m30.01s, 7d48m23.15s
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
PanSTARRS_z 10.57 0.82 21.340 0.084 AB
PanSTARRS_y 12.35 2.26 21.171 0.199 AB

Aperture details

RA, DEC (J2000):21h40m29.80s, 7d48m23.40s
semi major axis, semi minor axis (arcsec):6.19, 2.65
angle (degrees, anti-clockwise from east):-83.03
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 14.45 3.49 21.000 0.262 AB
GALEX_NUV 16.37 2.55 20.865 0.169 AB
SDSS_u 19.75 3.59 20.661 0.197 AB
SDSS_g 76.89 2.52 19.185 0.036 AB
PanSTARRS_g 81.42 0.8 19.123 0.011 AB
SDSS_r 114.84 3.28 18.750 0.031 AB
PanSTARRS_r 115.66 1.05 18.742 0.010 AB
SDSS_i 147.6 4.18 18.477 0.031 AB
PanSTARRS_i 143.63 0.95 18.507 0.007 AB
PanSTARRS_z 161.93 2.99 18.377 0.020 AB
SDSS_z 102.41 13.66 18.874 0.145 AB
PanSTARRS_y 172.02 8.18 18.311 0.052 AB
2MASS_J 172.26 117.67 17.415 0.742 Vega
2MASS_H 321.52 188.02 16.264 0.635 Vega
2MASS_K 248.18 196.47 16.075 0.859 Vega
WISE_W1 94.78 12.24 16.259 0.140 Vega
WISE_W2 60.33 13.96 16.110 0.251 Vega
WISE_W3 168.21 64.57 13.161 0.417 Vega
WISE_W4 805.35 531.29 10.015 0.716 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.979 8.478 8.781
{\rm log}_{10}({\rm SFR}) -1.199 -0.646 -0.219
{\rm log}_{10}({\rm sSFR}) -9.875 -9.122 -8.281
{\rm stellar\ age} 0.529 5.029 7.440

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.512 -0.707 -0.107
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.143 -0.501 0.164

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.470 1.005 1.509
\delta -0.485 -0.037 0.224
\tau_1/\tau_2 0.536 0.899 1.332
Q_{PAH} 0.869 2.799 5.516
U_{min} 2.985 8.387 15.824
{\rm log}_{10}(\gamma_e)\, -3.122 -2.108 -0.972

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.253 -0.877 0.052
{\rm log}_{10}(\tau_{AGN})\, 1.042 1.482 1.867

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.946 -0.399 -0.014
0.03-0.10 Gyr -2.287 -1.063 -0.348
0.10-0.33 Gyr -3.274 -1.550 -0.693
0.33-1.06 Gyr -3.985 -1.754 -0.981
1.06-3.45 Gyr -4.322 -1.768 -1.161
3.45-11.21 Gyr -4.106 -1.704 -1.119
11.21-12.46 Gyr -4.067 -1.768 -0.870

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.520 9.609 9.740
{\rm log}_{10}({\rm SFR}) -0.568 -0.280 -0.020
{\rm log}_{10}({\rm sSFR}) -10.202 -9.908 -9.630
{\rm stellar\ age} 4.047 5.515 6.682

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.454 -0.844 -0.387
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.692 -0.638 0.219

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.056 0.170 0.349
\delta -0.257 0.155 0.318
\tau_1/\tau_2 0.746 1.049 1.354
Q_{PAH} 1.702 3.698 5.593
U_{min} 2.836 8.051 15.490
{\rm log}_{10}(\gamma_e)\, -2.407 -1.404 -0.438

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.775 -2.019 -1.168
{\rm log}_{10}(\tau_{AGN})\, 1.039 1.553 1.967

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.827 -0.582 -0.404
0.03-0.10 Gyr -0.552 -0.188 0.105
0.10-0.33 Gyr -0.172 0.084 0.302
0.33-1.06 Gyr -0.257 0.006 0.214
1.06-3.45 Gyr -0.466 -0.222 -0.032
3.45-11.21 Gyr -0.698 -0.383 -0.164
11.21-12.46 Gyr -0.917 -0.336 0.104