2026hch results

Information

Transient
Name:AT2026hch
Right ascension: 9h21m32.41s
Declination:-30d59m11.15s
Discovery Date:March 22, 2026, 12:07 p.m.
Classification:None
Redshift:None
MW E(B-V):0.149
Host
Name:710614
Right ascension: 9h21m32.15s
Declination:-30d59m10.02s
Redshift:0.088000
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_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 6.28
Transient MWEBV processed 0.12
Host match processed 5.1
Host information processed 0.13
Host MWEBV processed 0.1
Global aperture construction processed 5.78
Global aperture photometry processed 3.77
Validate global photometry processed 6.94
Global host SED inference processed 833.8
Local aperture photometry processed 3.64
Validate local photometry processed 0.02
Local host SED inference processed 582.55
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):9h21m32.41s, -30d59m11.15s
semi major axis, semi minor axis (arcsec):1.22, 1.22
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_i 25.45 0.86 20.386 0.037 AB

Aperture details

RA, DEC (J2000):9h21m32.14s, -30d59m10.02s
semi major axis, semi minor axis (arcsec):9.54, 6.69
angle (degrees, anti-clockwise from east):-14.24
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 23.04 4.09 20.494 0.193 AB
GALEX_NUV 21.69 3.64 20.559 0.182 AB
2MASS_J 3087.89 211.2 14.281 0.074 Vega
2MASS_H 4044.16 264.1 13.515 0.071 Vega
2MASS_K 4002.88 383.33 13.056 0.104 Vega
WISE_W2 974.79 29.19 13.089 0.033 Vega
WISE_W3 1059.75 103.71 11.163 0.106 Vega
WISE_W4 1598.21 560.36 9.271 0.381 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.604 8.946 9.196
{\rm log}_{10}({\rm SFR}) -1.147 -0.477 0.044
{\rm log}_{10}({\rm sSFR}) -10.171 -9.405 -8.672
{\rm stellar\ age} 1.179 5.622 8.193

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.579 -0.686 -0.101
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.141 -0.369 0.089

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.472 1.057 1.619
\delta -0.442 -0.071 0.202
\tau_1/\tau_2 0.492 0.887 1.354
Q_{PAH} 0.781 2.348 4.807
U_{min} 3.205 8.565 15.005
{\rm log}_{10}(\gamma_e)\, -3.283 -2.141 -0.641

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.076 -1.002 0.034
{\rm log}_{10}(\tau_{AGN})\, 1.031 1.447 1.927

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.975 -0.315 0.233
0.03-0.10 Gyr -2.266 -0.904 -0.117
0.10-0.33 Gyr -3.100 -1.262 -0.290
0.33-1.06 Gyr -3.491 -1.279 -0.374
1.06-3.48 Gyr -3.224 -1.259 -0.731
3.48-11.34 Gyr -3.082 -1.226 -0.702
11.34-12.60 Gyr -3.169 -1.195 -0.234

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.702 10.888 10.996
{\rm log}_{10}({\rm SFR}) -0.356 0.052 0.536
{\rm log}_{10}({\rm sSFR}) -11.236 -10.797 -10.289
{\rm stellar\ age} 4.330 6.776 8.420

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.597 -0.376 -0.174
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.211 -0.480 0.072

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.038 0.102 0.209
\delta -0.875 -0.555 -0.052
\tau_1/\tau_2 0.297 0.729 1.206
Q_{PAH} 0.253 1.173 3.520
U_{min} 2.039 6.704 14.012
{\rm log}_{10}(\gamma_e)\, -3.375 -2.149 -0.817

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.614 -3.854 -2.821
{\rm log}_{10}(\tau_{AGN})\, 1.057 1.609 1.962

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.502 0.055 0.544
0.03-0.10 Gyr -0.909 -0.057 0.561
0.10-0.33 Gyr -0.888 0.179 0.759
0.33-1.06 Gyr -0.294 0.581 1.138
1.06-3.48 Gyr 0.202 0.918 1.233
3.48-11.34 Gyr 0.336 0.931 1.178
11.34-12.60 Gyr 0.034 0.949 1.610