2026hwd results

Information

Transient
Name:AT2026hwd
Right ascension: 7h53m58.37s
Declination:28d02m53.99s
Discovery Date:March 30, 2026, 9:59 p.m.
Classification:None
Redshift:None
MW E(B-V):0.027
Host
Name:22120
Right ascension: 7h53m58.80s
Declination:28d03m01.17s
Redshift:0.059577
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_z
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 20.21
Transient MWEBV processed 0.11
Host match processed 5.23
Host information processed 0.04
Host MWEBV processed 0.1
Global aperture construction processed 0.63
Global aperture photometry processed 6.55
Validate global photometry processed 18.83
Global host SED inference processed 690.26
Local aperture photometry processed 6.43
Validate local photometry processed 0.03
Local host SED inference processed 428.53
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):7h53m58.37s, 28d02m53.99s
semi major axis, semi minor axis (arcsec):1.74, 1.74
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 3.49 1.47 22.542 0.457 AB
SDSS_g 13.23 1.09 21.096 0.089 AB
DES_g 16.24 0.25 20.873 0.016 AB
PanSTARRS_g 14.29 0.47 21.013 0.036 AB
SDSS_r 31.08 1.69 20.169 0.059 AB
PanSTARRS_r 30.61 0.45 20.185 0.016 AB
DES_r 35.94 0.67 20.011 0.020 AB
SDSS_i 44.87 2.2 19.770 0.053 AB
PanSTARRS_i 45.63 0.58 19.752 0.014 AB
PanSTARRS_z 55.04 1.57 19.548 0.031 AB
SDSS_z 57.94 6.92 19.493 0.130 AB
DES_z 63.65 1.9 19.391 0.032 AB
PanSTARRS_y 77.6 3.55 19.175 0.050 AB

Aperture details

RA, DEC (J2000):7h53m58.84s, 28d03m00.87s
semi major axis, semi minor axis (arcsec):20.87, 14.21
angle (degrees, anti-clockwise from east):-39.89
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.42 3.17 21.355 0.331 AB
GALEX_NUV 23.33 2.76 20.480 0.128 AB
SDSS_u 518.9 14.99 17.112 0.031 AB
SDSS_g 2539.46 14.13 15.388 0.006 AB
DES_g 2870.88 3.11 15.255 0.001 AB
PanSTARRS_g 2760.81 4.72 15.297 0.002 AB
PanSTARRS_r 5793.03 4.53 14.493 0.001 AB
DES_r 6474.59 8.75 14.372 0.001 AB
SDSS_i 8379.43 27.4 14.092 0.004 AB
PanSTARRS_i 8553.8 5.87 14.070 0.001 AB
PanSTARRS_z 10291.41 15.86 13.869 0.002 AB
SDSS_z 10953.43 71.7 13.801 0.007 AB
DES_z 11761.22 25.1 13.724 0.002 AB
PanSTARRS_y 12459.55 35.02 13.661 0.003 AB
2MASS_H 19723.52 469.76 11.795 0.026 Vega
WISE_W1 7758.95 69.37 11.476 0.010 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.875 9.002 9.113
{\rm log}_{10}({\rm SFR}) -1.535 -1.070 -0.519
{\rm log}_{10}({\rm sSFR}) -10.572 -10.081 -9.429
{\rm stellar\ age} 4.793 6.744 8.155

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.255 -0.457 -0.039
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.103 0.253 0.414

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.457 0.924 1.495
\delta -0.511 -0.210 0.007
\tau_1/\tau_2 0.690 1.000 1.348
Q_{PAH} 1.201 2.978 5.311
U_{min} 3.099 7.832 14.589
{\rm log}_{10}(\gamma_e)\, -2.887 -1.898 -0.813

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.648 -1.437 -0.435
{\rm log}_{10}(\tau_{AGN})\, 0.918 1.354 1.862

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.368 -0.992 -0.541
0.03-0.10 Gyr -1.804 -1.139 -0.535
0.10-0.33 Gyr -1.960 -1.235 -0.663
0.33-1.08 Gyr -1.876 -1.173 -0.697
1.08-3.55 Gyr -1.609 -0.968 -0.713
3.55-11.67 Gyr -1.365 -0.922 -0.745
11.67-12.96 Gyr -1.569 -0.909 -0.355

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.342 11.429 11.471
{\rm log}_{10}({\rm SFR}) -1.978 -1.094 -0.336
{\rm log}_{10}({\rm sSFR}) -13.459 -12.523 -11.808
{\rm stellar\ age} 8.974 12.242 12.312

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.178 -0.767 -0.561
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.355 -0.195 0.279

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.160 0.292 0.511
\delta -0.804 -0.545 -0.302
\tau_1/\tau_2 0.362 0.822 1.338
Q_{PAH} 0.438 2.192 4.668
U_{min} 3.191 10.160 18.283
{\rm log}_{10}(\gamma_e)\, -3.082 -1.729 -0.568

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.782 -1.737 -1.208
{\rm log}_{10}(\tau_{AGN})\, 1.147 1.572 1.926

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.502 -0.989 -0.181
0.03-0.10 Gyr -4.491 -2.057 -0.571
0.10-0.33 Gyr -5.465 -2.564 -0.743
0.33-1.08 Gyr -5.695 -2.930 -0.914
1.08-3.55 Gyr -4.160 -2.163 -0.316
3.55-11.67 Gyr -1.751 -0.270 1.493
11.67-12.96 Gyr 1.939 2.564 2.610