2026chq

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Information

Transient

Name: AT2026chq
Right ascension: 17h23m53.77s
Declination: 41d46m13.92s
Discovery Date: Feb. 5, 2026, 12:26 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.022

Host

Name:
Right ascension: 17h23m53.51s
Declination: 41d46m36.67s
Redshift: None
Photometric Redshift: 0.029
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.61
Transient MWEBV processed 0.09
Host match processed 5.61
Host information processed 0.14
Host MWEBV processed 0.15
Global aperture construction processed 0.64
Global aperture photometry processed 3.98
Validate global photometry processed 11.65
Global host SED inference processed 406.75
Local aperture photometry processed 3.74
Validate local photometry processed 0.02
Local host SED inference processed 483.93
 

Cutout Download Report

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:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 17h23m53.77s, 41d46m13.92s
semi major axis, semi minor axis (arcsec) = 3.41, 3.41
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 4.36 0.75 22.301 0.186 AB
PanSTARRS_r 8.43 0.76 21.585 0.098 AB
PanSTARRS_i 10.66 0.62 21.331 0.064 AB
PanSTARRS_z 6.19 2.4 21.920 0.420 AB
PanSTARRS_y 4.64 5.58 22.233 1.304 AB
2MASS_J -83.42 73.1 Vega
2MASS_H -135.25 115.55 Vega
2MASS_K 44.49 125.15 17.942 3.054 Vega

Aperture details

RA, DEC (J2000) = 17h23m53.53s, 41d46m37.52s
semi major axis, semi minor axis (arcsec) = 24.93, 20.15
angle (degrees, anti-clockwise from east) = -104.27

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 256.93 12.79 17.875 0.054 AB
GALEX_NUV 360.08 9.19 17.509 0.028 AB
PanSTARRS_g 3807.29 5.1 14.948 0.001 AB
PanSTARRS_r 5922.39 5.31 14.469 0.001 AB
PanSTARRS_i 7175.35 4.21 14.260 0.001 AB
PanSTARRS_z 8026.94 15.77 14.139 0.002 AB
PanSTARRS_y 9252.81 35.11 13.984 0.004 AB
2MASS_H 10593.71 766.29 12.470 0.079 Vega
WISE_W2 2596.14 40.26 12.025 0.017 Vega
WISE_W3 9014.46 153.19 8.839 0.018 Vega
WISE_W4 9979.71 1130.67 7.282 0.123 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.406 7.733 7.955
{\rm log}_{10}({\rm SFR}) -2.455 -1.733 -1.144
{\rm log}_{10}({\rm sSFR}) -10.275 -9.507 -8.652
{\rm stellar\ age} 2.842 6.705 8.353

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.638 -1.060 -0.277
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.559 -0.425 0.272

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.750 1.362 1.991
\delta -0.118 0.161 0.317
\tau_1/\tau_2 0.656 1.021 1.401
Q_{PAH} 0.607 2.071 4.345
U_{min} 2.531 7.764 15.186
{\rm log}_{10}(\gamma_e)\, -3.033 -2.053 -1.106

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.492 -0.748 0.165
{\rm log}_{10}(\tau_{AGN})\, 1.080 1.485 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.634 -1.734 -1.124
0.03-0.10 Gyr -2.768 -1.899 -1.167
0.10-0.33 Gyr -3.471 -2.385 -1.743
0.33-1.10 Gyr -3.922 -2.552 -1.972
1.10-3.63 Gyr -3.683 -2.413 -1.981
3.63-12.03 Gyr -3.529 -2.264 -1.944
12.03-13.36 Gyr -3.620 -2.288 -1.601

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.291 10.401 10.493
{\rm log}_{10}({\rm SFR}) -0.398 -0.113 0.131
{\rm log}_{10}({\rm sSFR}) -10.800 -10.511 -10.247
{\rm stellar\ age} 6.174 7.488 8.827

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.304 -1.009 -0.773
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.836 -0.260 0.104

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.160 0.265 0.400
\delta -0.461 -0.065 0.223
\tau_1/\tau_2 0.538 0.912 1.308
Q_{PAH} 0.937 1.835 3.129
U_{min} 3.054 7.728 14.944
{\rm log}_{10}(\gamma_e)\, -3.190 -2.331 -1.682

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.549 -3.803 -2.772
{\rm log}_{10}(\tau_{AGN})\, 1.102 1.648 2.008

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.441 -0.137 0.101
0.03-0.10 Gyr -0.575 -0.121 0.201
0.10-0.33 Gyr -0.560 -0.055 0.294
0.33-1.10 Gyr -0.427 0.110 0.476
1.10-3.63 Gyr -0.258 0.335 0.610
3.63-12.03 Gyr 0.216 0.508 0.664
12.03-13.36 Gyr -0.024 0.565 1.093