2026zfr results

Information

Transient
Name:AT2026zfr
Right ascension: 4h21m28.78s
Declination:-28d17m41.89s
Discovery Date:Aug. 19, 2026, 2:05 a.m.
Classification:None
Redshift:None
MW E(B-V):0.026
Host
Name:J042128.74-281733.88
Object ID:9906611188144483
Catalog Name:decals
Catalog Release:dr9
Right ascension: 4h21m28.74s
Declination:-28d17m33.88s
Redshift:None
Photometric Redshift:0.053
 
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 8.71
Transient MWEBV processed 0.15
Host match processed 6.47
Host information processed 0.17
Host MWEBV processed 0.11
Host spectrum download processed 0.09
Global aperture construction processed 0.67
Global aperture photometry processed 6.73
Validate global photometry processed 16.91
Global host SED inference processed 337.35
Local aperture photometry processed 6.42
Validate local photometry processed 0.02
Local host SED inference processed 371.17
 

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})\, 8.310 8.550 8.698
{\rm log}_{10}({\rm SFR}) -1.890 -1.184 -0.638
{\rm log}_{10}({\rm sSFR}) -10.534 -9.752 -9.038
{\rm stellar\ age} 3.556 6.405 7.839

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.706 -1.202 -0.533
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.475 -0.350 0.282

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.354 0.783 1.204
\delta -0.619 -0.190 0.176
\tau_1/\tau_2 0.675 0.965 1.288
Q_{PAH} 0.899 2.392 4.301
U_{min} 3.131 8.081 15.583
{\rm log}_{10}(\gamma_e)\, -2.949 -1.808 -0.752

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.265 -2.567 -0.401
{\rm log}_{10}(\tau_{AGN})\, 1.030 1.461 1.933

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.026 -1.103 -0.561
0.03-0.10 Gyr -2.161 -1.330 -0.702
0.10-0.33 Gyr -2.260 -1.496 -0.964
0.33-1.08 Gyr -2.272 -1.579 -1.137
1.08-3.57 Gyr -2.081 -1.445 -1.134
3.57-11.74 Gyr -2.195 -1.389 -1.163
11.74-13.05 Gyr -2.389 -1.437 -0.913

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.270 10.321 10.378
{\rm log}_{10}({\rm SFR}) -0.705 -0.487 -0.261
{\rm log}_{10}({\rm sSFR}) -11.043 -10.804 -10.581
{\rm stellar\ age} 7.331 7.912 9.175

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.699 -0.499 -0.342
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.472 -0.524 0.182

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.108 0.211 0.385
\delta -0.487 -0.108 0.151
\tau_1/\tau_2 0.614 0.916 1.231
Q_{PAH} 0.332 0.928 2.401
U_{min} 2.703 7.365 14.709
{\rm log}_{10}(\gamma_e)\, -3.089 -2.128 -1.123

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.560 -3.838 -2.780
{\rm log}_{10}(\tau_{AGN})\, 1.062 1.510 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.727 -0.458 -0.217
0.03-0.10 Gyr -0.853 -0.518 -0.220
0.10-0.33 Gyr -0.998 -0.584 -0.252
0.33-1.08 Gyr -0.990 -0.549 -0.265
1.08-3.57 Gyr -0.670 -0.133 0.183
3.57-11.74 Gyr 0.368 0.521 0.598
11.74-13.05 Gyr 0.069 0.562 1.067
 

Aperture Photometry


Aperture details

RA, DEC (J2000):4h21m28.78s, -28d17m41.89s
semi major axis, semi minor axis (arcsec):1.94, 1.94
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 13.83 0.12 21.048 0.010 AB
PanSTARRS_g 12.8 0.45 21.132 0.038 AB
PanSTARRS_r 22.92 0.65 20.500 0.031 AB
DES_r 26.14 0.19 20.357 0.008 AB
PanSTARRS_i 29.99 0.7 20.208 0.025 AB
DES_i 33.68 0.34 20.081 0.011 AB
PanSTARRS_z 25.21 1.41 20.396 0.061 AB
DES_z 40.92 0.7 19.870 0.019 AB
PanSTARRS_y 42.92 3.72 19.818 0.094 AB

Aperture details

RA, DEC (J2000):4h21m28.72s, -28d17m33.58s
semi major axis, semi minor axis (arcsec):15.15, 8.17
angle (degrees, anti-clockwise from east):183.41
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 37.38 4.51 19.968 0.131 AB
GALEX_NUV 40.31 3.07 19.887 0.083 AB
DES_g 495.24 0.73 17.163 0.002 AB
PanSTARRS_g 504.27 2.61 17.143 0.006 AB
PanSTARRS_r 895.46 3.71 16.520 0.005 AB
DES_r 1009.25 1.14 16.390 0.001 AB
PanSTARRS_i 1254.1 3.97 16.154 0.003 AB
DES_i 1366.29 2.13 16.061 0.002 AB
PanSTARRS_z 1391.91 8.09 16.041 0.006 AB
DES_z 1679.61 4.4 15.837 0.003 AB
PanSTARRS_y 1825.37 21.11 15.747 0.013 AB
2MASS_J 2479.32 257.77 14.519 0.113 Vega
2MASS_H 2398.23 352.83 14.083 0.160 Vega
2MASS_K 2386.72 378.71 13.618 0.172 Vega
WISE_W1 1102.01 23.11 13.596 0.023 Vega
WISE_W2 609.88 25.88 13.598 0.046 Vega
WISE_W3 683.06 103.38 11.640 0.164 Vega
WISE_W4 1487.51 575.15 9.349 0.420 Vega