2026whc results

Information

Transient
Name:AT2026whc
Right ascension: 0h47m50.47s
Declination:-12d27m20.17s
Discovery Date:July 19, 2026, 9:58 a.m.
Classification:None
Redshift:None
MW E(B-V):0.023
Host
Name:J004750.47-122720.30
Object ID:9906616736157605
Catalog Name:decals
Catalog Release:dr9
Right ascension: 0h47m50.47s
Declination:-12d27m20.30s
Redshift:None
Photometric Redshift:0.074
 

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
DES_g
DES_r
DES_i
DES_z
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 9.34
Transient MWEBV processed 0.14
Host match processed 7.37
Host information processed 0.13
Host MWEBV processed 0.07
Global aperture construction processed 0.65
Global aperture photometry processed 6.53
Validate global photometry processed 16.55
Global host SED inference processed 409.8
Local aperture photometry processed 6.25
Validate local photometry processed 0.02
Local host SED inference processed 489.38
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h47m50.47s, -12d27m20.17s
semi major axis, semi minor axis (arcsec):1.42, 1.42
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 140.26 0.51 18.533 0.004 AB
PanSTARRS_g 125.89 0.4 18.650 0.003 AB
PanSTARRS_r 260.81 0.52 17.859 0.002 AB
DES_r 323.79 1.24 17.624 0.004 AB
PanSTARRS_i 381.72 0.62 17.446 0.002 AB
DES_i 436.65 1.82 17.300 0.005 AB
PanSTARRS_z 477.71 1.07 17.202 0.002 AB
DES_z 539.62 4.08 17.070 0.008 AB
PanSTARRS_y 541.96 2.98 17.065 0.006 AB

Aperture details

RA, DEC (J2000):0h47m50.45s, -12d27m20.02s
semi major axis, semi minor axis (arcsec):10.68, 8.45
angle (degrees, anti-clockwise from east):255.72
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 42.75 1.73 19.823 0.044 AB
GALEX_NUV 58.47 1.27 19.483 0.024 AB
DES_g 606.66 1.25 16.943 0.002 AB
PanSTARRS_g 614.27 2.27 16.929 0.004 AB
PanSTARRS_r 1045.47 2.83 16.352 0.003 AB
DES_r 1140.81 2.58 16.257 0.002 AB
PanSTARRS_i 1424.59 3.52 16.016 0.003 AB
DES_i 1503.57 3.64 15.957 0.003 AB
PanSTARRS_z 1675.82 6.3 15.839 0.004 AB
DES_z 1804.54 7.82 15.759 0.005 AB
PanSTARRS_y 1948.22 19.56 15.676 0.011 AB
2MASS_J 1967.78 222.02 14.770 0.122 Vega
2MASS_H 2204.78 372.23 14.174 0.183 Vega
2MASS_K 2446.87 392.24 13.591 0.174 Vega
WISE_W1 1156.98 22.97 13.543 0.022 Vega
WISE_W2 728.27 29.37 13.405 0.044 Vega
WISE_W3 1180.17 121.67 11.046 0.112 Vega
WISE_W4 717.53 529.3 10.140 0.801 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.024 10.137 10.256
{\rm log}_{10}({\rm SFR}) -1.350 -0.608 -0.016
{\rm log}_{10}({\rm sSFR}) -11.554 -10.730 -10.122
{\rm stellar\ age} 6.476 7.764 11.162

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.323 -0.841 -0.544
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.672 -0.236 0.328

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.309 0.565 0.856
\delta -0.809 -0.536 -0.218
\tau_1/\tau_2 0.661 1.022 1.399
Q_{PAH} 0.859 3.089 5.460
U_{min} 2.872 8.157 15.500
{\rm log}_{10}(\gamma_e)\, -3.157 -1.564 -0.410

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.259 -1.417 -0.684
{\rm log}_{10}(\tau_{AGN})\, 0.986 1.446 1.959

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.265 -0.637 -0.249
0.03-0.10 Gyr -1.773 -0.652 0.069
0.10-0.33 Gyr -2.143 -0.610 0.038
0.33-1.07 Gyr -2.369 -0.587 0.012
1.07-3.51 Gyr -2.062 -0.275 0.212
3.51-11.50 Gyr -0.428 0.203 0.396
11.50-12.78 Gyr -0.124 0.490 1.315

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.556 10.602 10.659
{\rm log}_{10}({\rm SFR}) -0.149 0.127 0.429
{\rm log}_{10}({\rm sSFR}) -10.760 -10.467 -10.163
{\rm stellar\ age} 7.084 7.773 9.837

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.634 -0.476 -0.352
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.517 0.078 0.390

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.070 0.126 0.226
\delta -0.666 -0.317 -0.001
\tau_1/\tau_2 0.676 1.031 1.395
Q_{PAH} 0.740 2.273 4.562
U_{min} 2.414 7.555 14.860
{\rm log}_{10}(\gamma_e)\, -2.849 -1.430 -0.548

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.946 -2.847 -1.983
{\rm log}_{10}(\tau_{AGN})\, 1.080 1.567 1.927

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.106 -0.385 -0.097
0.03-0.10 Gyr -0.128 0.235 0.580
0.10-0.33 Gyr -0.148 0.227 0.524
0.33-1.07 Gyr -0.417 0.057 0.322
1.07-3.51 Gyr -0.438 0.204 0.527
3.51-11.50 Gyr 0.495 0.765 0.862
11.50-12.78 Gyr 0.453 0.948 1.565