2026chi results

Information

Transient
Name:AT2026chi
Right ascension: 14h57m16.81s
Declination:12d37m31.40s
Discovery Date:Feb. 4, 2026, 11:37 a.m.
Classification:None
Redshift:None
MW E(B-V):0.029
Host
Name:J145716.77+123733.02
Right ascension: 14h57m16.77s
Declination:12d37m33.02s
Redshift:None
Photometric Redshift:0.090
 

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 18.5
Transient MWEBV processed 0.04
Host match processed 5.6
Host information processed 0.18
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 5.72
Validate global photometry processed 18.53
Global host SED inference processed 424.01
Local aperture photometry processed 5.58
Validate local photometry processed 0.03
Local host SED inference processed 587.91
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):14h57m16.81s, 12d37m31.40s
semi major axis, semi minor axis (arcsec):1.2, 1.2
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 8.6 0.17 21.564 0.022 AB
PanSTARRS_r 9.26 0.38 21.483 0.045 AB
DES_r 11.76 0.3 21.224 0.028 AB
PanSTARRS_i 11.45 0.36 21.253 0.034 AB
PanSTARRS_z 12.75 0.71 21.137 0.061 AB
DES_z 16.39 0.88 20.863 0.058 AB
PanSTARRS_y 9.79 1.82 21.423 0.202 AB

Aperture details

RA, DEC (J2000):14h57m16.76s, 12d37m33.15s
semi major axis, semi minor axis (arcsec):4.75, 3.56
angle (degrees, anti-clockwise from east):-18.87
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.02 2.32 22.390 0.628 AB
GALEX_NUV 8.4 0.57 21.590 0.074 AB
SDSS_u 26.69 3.37 20.334 0.137 AB
SDSS_g 46.02 2.27 19.743 0.054 AB
DES_g 48.69 0.47 19.681 0.010 AB
PanSTARRS_g 49.59 0.96 19.662 0.021 AB
SDSS_r 65.54 2.67 19.359 0.044 AB
PanSTARRS_r 62.7 1.29 19.407 0.022 AB
DES_r 71.59 0.81 19.263 0.012 AB
SDSS_i 81.84 3.86 19.118 0.051 AB
PanSTARRS_i 82.98 1.2 19.103 0.016 AB
PanSTARRS_z 91.87 2.4 18.992 0.028 AB
SDSS_z 72.92 8.36 19.243 0.124 AB
DES_z 93.89 2.33 18.969 0.027 AB
PanSTARRS_y 82.35 6.12 19.111 0.081 AB
2MASS_J 150.71 114.38 17.560 0.824 Vega
2MASS_H 58.04 193.97 18.123 3.628 Vega
2MASS_K -139.01 174.06 Vega
WISE_W1 32.77 6.5 17.412 0.215 Vega
WISE_W2 19.52 8.9 17.335 0.495 Vega
WISE_W3 -1.16 49.26 Vega
WISE_W4 -184.88 302.06 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.892 8.137 8.341
{\rm log}_{10}({\rm SFR}) -2.574 -1.160 -0.182
{\rm log}_{10}({\rm sSFR}) -10.708 -9.390 -8.006
{\rm stellar\ age} 0.151 0.772 4.297

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.440 -0.505 -0.009
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.490 -0.822 -0.062

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.167 0.374 1.001
\delta -0.539 -0.115 0.219
\tau_1/\tau_2 0.574 1.033 1.485
Q_{PAH} 1.163 2.991 5.502
U_{min} 3.294 9.623 17.538
{\rm log}_{10}(\gamma_e)\, -2.916 -1.889 -0.766

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.841 -0.009 0.315
{\rm log}_{10}(\tau_{AGN})\, 1.093 1.504 1.862

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.814 -2.095 -1.404
0.03-0.10 Gyr -2.770 -1.050 -0.019
0.10-0.33 Gyr -2.560 -0.878 -0.286
0.33-1.06 Gyr -4.445 -1.719 -0.812
1.06-3.47 Gyr -6.335 -3.367 -1.668
3.47-11.32 Gyr -7.220 -3.736 -1.905
11.32-12.58 Gyr -7.478 -3.297 -1.718

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.065 9.239 9.383
{\rm log}_{10}({\rm SFR}) -0.775 -0.335 0.101
{\rm log}_{10}({\rm sSFR}) -10.075 -9.581 -9.089
{\rm stellar\ age} 3.579 5.593 7.017

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.533 -1.099 -0.616
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.762 -0.571 0.302

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.140 0.265 0.445
\delta -0.702 -0.352 -0.014
\tau_1/\tau_2 0.717 1.125 1.505
Q_{PAH} 0.776 2.125 4.131
U_{min} 2.856 7.981 15.147
{\rm log}_{10}(\gamma_e)\, -2.532 -1.438 -0.565

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.589 -1.695 -0.839
{\rm log}_{10}(\tau_{AGN})\, 1.179 1.600 1.904

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.125 -0.824 -0.586
0.03-0.10 Gyr -0.731 -0.221 0.250
0.10-0.33 Gyr -0.611 -0.212 0.118
0.33-1.06 Gyr -1.165 -0.574 -0.290
1.06-3.47 Gyr -1.151 -0.679 -0.417
3.47-11.32 Gyr -1.343 -0.770 -0.509
11.32-12.58 Gyr -1.561 -0.779 -0.222