2026yfd results

Information

Transient
Name:AT2026yfd
Right ascension: 4h48m25.11s
Declination:-18d04m10.90s
Discovery Date:Aug. 6, 2026, 6:55 p.m.
Classification:None
Redshift:None
MW E(B-V):0.055
Host
Name:J044825.08-180411.23
Object ID:9906614747404190
Catalog Name:decals
Catalog Release:dr9
Right ascension: 4h48m25.08s
Declination:-18d04m11.23s
Redshift:None
Photometric Redshift:0.086
 
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 7.55
Transient MWEBV processed 0.04
Host match processed 5.94
Host information processed 0.18
Host MWEBV processed 0.06
Host spectrum download not processed None
Global aperture construction processed 0.66
Global aperture photometry processed 6.8
Validate global photometry processed 16.39
Global host SED inference processed 547.53
Local aperture photometry processed 6.82
Validate local photometry processed 0.04
Local host SED inference processed 489.22
 

Imaging data

 

Spectral Energy Distribution

 

Host Galaxy Spectrum

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.439 8.646 8.798
{\rm log}_{10}({\rm SFR}) -2.364 -1.383 -0.140
{\rm log}_{10}({\rm sSFR}) -11.077 -10.056 -8.614
{\rm stellar\ age} 0.843 3.678 6.058

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.769 -1.257 -0.254
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.685 -0.972 0.002

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.112 0.336 0.876
\delta -0.735 -0.326 0.145
\tau_1/\tau_2 0.666 1.042 1.453
Q_{PAH} 1.187 3.137 5.489
U_{min} 3.382 9.086 16.222
{\rm log}_{10}(\gamma_e)\, -2.910 -1.690 -0.552

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.002 -0.202 0.230
{\rm log}_{10}(\tau_{AGN})\, 1.081 1.495 1.927

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.907 -1.665 -1.046
0.03-0.10 Gyr -2.753 -1.402 0.003
0.10-0.33 Gyr -2.150 -0.946 -0.272
0.33-1.07 Gyr -2.454 -0.826 -0.429
1.07-3.48 Gyr -3.307 -1.332 -0.908
3.48-11.37 Gyr -3.905 -1.713 -1.179
11.37-12.63 Gyr -3.919 -1.728 -1.005

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.082 9.301 9.470
{\rm log}_{10}({\rm SFR}) -0.412 0.003 0.439
{\rm log}_{10}({\rm sSFR}) -9.729 -9.295 -8.759
{\rm stellar\ age} 2.788 5.554 7.256

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.764 -1.222 -0.467
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.739 -1.005 0.171

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.153 0.496 0.870
\delta -0.031 0.220 0.354
\tau_1/\tau_2 0.639 1.076 1.497
Q_{PAH} 2.707 4.580 6.078
U_{min} 3.320 8.852 16.322
{\rm log}_{10}(\gamma_e)\, -2.981 -1.843 -0.536

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.608 -1.850 -0.654
{\rm log}_{10}(\tau_{AGN})\, 0.910 1.491 1.944

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.318 -0.735 -0.380
0.03-0.10 Gyr -0.309 0.140 0.584
0.10-0.33 Gyr -0.720 -0.145 0.275
0.33-1.07 Gyr -1.247 -0.551 -0.190
1.07-3.48 Gyr -1.480 -0.714 -0.403
3.48-11.37 Gyr -1.718 -0.776 -0.464
11.37-12.63 Gyr -1.696 -0.672 -0.057
 

Aperture Photometry


Aperture details

RA, DEC (J2000):4h48m25.11s, -18d04m10.90s
semi major axis, semi minor axis (arcsec):1.25, 1.25
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 15.15 0.17 20.949 0.012 AB
PanSTARRS_r 20.7 0.53 20.610 0.028 AB
DES_r 25.4 0.26 20.388 0.011 AB
PanSTARRS_i 24.7 0.31 20.418 0.014 AB
DES_i 31.62 0.43 20.150 0.015 AB
PanSTARRS_z 27.88 0.99 20.287 0.039 AB
DES_z 29.91 0.96 20.210 0.035 AB
PanSTARRS_y 22.79 2.42 20.506 0.115 AB

Aperture details

RA, DEC (J2000):4h48m25.06s, -18d04m10.94s
semi major axis, semi minor axis (arcsec):4.78, 3.45
angle (degrees, anti-clockwise from east):350.18
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.3 2.75 21.175 0.243 AB
GALEX_NUV 12.27 1.98 21.178 0.175 AB
DES_g 51.19 0.37 19.627 0.008 AB
PanSTARRS_g 52.49 1.09 19.600 0.022 AB
PanSTARRS_r 77.8 1.71 19.173 0.024 AB
DES_r 76.03 0.54 19.198 0.008 AB
PanSTARRS_i 88.05 0.98 19.038 0.012 AB
DES_i 92.15 0.87 18.989 0.010 AB
PanSTARRS_z 97.38 3.16 18.929 0.035 AB
DES_z 93.99 1.89 18.967 0.022 AB
PanSTARRS_y 92.95 7.69 18.979 0.090 AB
2MASS_J -22.27 106.53 Vega
2MASS_H 229.94 159.02 16.628 0.751 Vega
2MASS_K 34.03 190.1 18.233 6.066 Vega
WISE_W1 24.93 15.04 17.709 0.655 Vega
WISE_W2 -5.79 12.73 Vega
WISE_W3 43.74 43.93 14.624 1.090 Vega
WISE_W4 -362.7 289.87 Vega