2026chw results

Information

Transient
Name:AT2026chw
Right ascension: 17h09m13.01s
Declination:28d39m33.45s
Discovery Date:Jan. 12, 2026, 1:09 p.m.
Classification:None
Redshift:None
MW E(B-V):0.055
Host
Name:
Right ascension: 17h09m13.04s
Declination:28d39m32.43s
Redshift:None
Photometric Redshift:0.043
 

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 19.97
Transient MWEBV processed 0.05
Host match processed 5.15
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 5.69
Validate global photometry processed 15.3
Global host SED inference processed 431.42
Local aperture photometry processed 5.64
Validate local photometry processed 0.03
Local host SED inference processed 568.69
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):17h09m13.01s, 28d39m33.45s
semi major axis, semi minor axis (arcsec):2.34, 2.34
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 99.03 2.69 18.911 0.029 AB
DES_g 103.45 0.6 18.863 0.006 AB
PanSTARRS_g 105.26 0.47 18.844 0.005 AB
PanSTARRS_r 205.16 0.59 18.120 0.003 AB
DES_r 214.57 1.33 18.071 0.007 AB
PanSTARRS_i 266.63 0.92 17.835 0.004 AB
PanSTARRS_z 326.85 1.47 17.614 0.005 AB
SDSS_z 343.11 7.28 17.561 0.023 AB
DES_z 358.43 4.9 17.514 0.015 AB
PanSTARRS_y 366.54 3.21 17.490 0.010 AB

Aperture details

RA, DEC (J2000):17h09m13.05s, 28d39m32.66s
semi major axis, semi minor axis (arcsec):20.27, 11.16
angle (degrees, anti-clockwise from east):-107.18
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 45.12 7.27 19.764 0.175 AB
GALEX_NUV 59.33 6.31 19.467 0.115 AB
DES_g 791.46 1.92 16.654 0.003 AB
PanSTARRS_g 748.04 2.8 16.715 0.004 AB
PanSTARRS_r 1334.82 3.39 16.086 0.003 AB
PanSTARRS_i 1599.78 5.77 15.890 0.004 AB
PanSTARRS_z 1805.56 9.18 15.758 0.006 AB
DES_z 2173.0 13.23 15.557 0.007 AB
PanSTARRS_y 2027.66 20.49 15.633 0.011 AB
2MASS_J 2716.45 310.43 14.420 0.124 Vega
2MASS_H 3485.65 427.93 13.677 0.133 Vega
2MASS_K 3222.21 535.61 13.292 0.180 Vega
WISE_W1 1431.43 27.58 13.312 0.021 Vega
WISE_W2 884.06 31.61 13.195 0.039 Vega
WISE_W3 2285.07 136.17 10.329 0.065 Vega
WISE_W4 2001.44 703.36 9.027 0.382 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.463 9.571 9.669
{\rm log}_{10}({\rm SFR}) -1.837 -1.098 -0.525
{\rm log}_{10}({\rm sSFR}) -11.430 -10.646 -10.045
{\rm stellar\ age} 7.375 8.751 12.168

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.500 -1.043 -0.720
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.898 -1.366 0.316

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.218 0.514 0.879
\delta -0.554 -0.163 0.154
\tau_1/\tau_2 0.585 0.977 1.371
Q_{PAH} 0.854 2.373 4.738
U_{min} 2.867 8.157 15.412
{\rm log}_{10}(\gamma_e)\, -3.113 -1.767 -0.616

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.709 -1.441 -0.538
{\rm log}_{10}(\tau_{AGN})\, 0.916 1.342 1.868

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.730 -1.003 -0.586
0.03-0.10 Gyr -2.448 -1.245 -0.489
0.10-0.33 Gyr -3.019 -1.450 -0.709
0.33-1.09 Gyr -3.299 -1.494 -0.804
1.09-3.59 Gyr -3.385 -1.314 -0.551
3.59-11.86 Gyr -1.453 -0.404 -0.214
11.86-13.18 Gyr -0.536 0.107 0.751

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.959 10.059 10.147
{\rm log}_{10}({\rm SFR}) -0.765 -0.510 -0.278
{\rm log}_{10}({\rm sSFR}) -10.840 -10.581 -10.316
{\rm stellar\ age} 4.054 5.985 7.271

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.816 -0.594 -0.382
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.813 -1.376 0.274

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.148 0.249 0.380
\delta -0.424 -0.034 0.260
\tau_1/\tau_2 0.506 0.859 1.207
Q_{PAH} 0.845 2.073 4.134
U_{min} 2.759 7.303 14.411
{\rm log}_{10}(\gamma_e)\, -2.837 -1.806 -0.939

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.713 -2.635 -1.882
{\rm log}_{10}(\tau_{AGN})\, 0.952 1.352 1.805

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.545 -0.288 -0.024
0.03-0.10 Gyr -1.645 -0.703 -0.335
0.10-0.33 Gyr -1.539 -0.527 -0.092
0.33-1.09 Gyr -0.651 0.002 0.311
1.09-3.59 Gyr 0.137 0.383 0.583
3.59-11.86 Gyr -0.396 0.086 0.288
11.86-13.18 Gyr -0.994 -0.064 0.427