2026zdw results

Information

Transient
Name:AT2026zdw
Right ascension: 17h53m01.24s
Declination:57d51m36.89s
Discovery Date:Aug. 8, 2026, 3:14 p.m.
Classification:None
Redshift:None
MW E(B-V):
Host
Name:J175301.89+575139.49
Object ID:9907739317175396
Catalog Name:decals
Catalog Release:dr9
Right ascension: 17h53m01.89s
Declination:57d51m39.49s
Redshift:None
Photometric Redshift:0.053
 
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 18.79
Transient MWEBV processed 0.06
Host match processed 5.92
Host information processed 0.17
Host MWEBV processed 0.06
Host spectrum download processed 0.07
Global aperture construction processed 0.73
Global aperture photometry processed 7.27
Validate global photometry processed 20.77
Global host SED inference processed 364.78
Local aperture photometry processed 6.83
Validate local photometry processed 0.04
Local host SED inference processed 379.76
 

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})\, 8.326 8.545 8.714
{\rm log}_{10}({\rm SFR}) -1.540 -1.060 -0.631
{\rm log}_{10}({\rm sSFR}) -10.186 -9.634 -9.032
{\rm stellar\ age} 2.939 6.019 7.466

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.790 -1.403 -0.817
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.601 -0.452 0.282

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.369 0.656 1.024
\delta -0.680 -0.248 0.185
\tau_1/\tau_2 0.655 0.947 1.241
Q_{PAH} 0.895 2.309 4.344
U_{min} 2.860 8.098 15.789
{\rm log}_{10}(\gamma_e)\, -2.752 -1.607 -0.653

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.447 -3.170 -1.478
{\rm log}_{10}(\tau_{AGN})\, 0.985 1.445 1.915

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.528 -0.992 -0.637
0.03-0.10 Gyr -1.749 -1.138 -0.626
0.10-0.33 Gyr -1.825 -1.272 -0.760
0.33-1.08 Gyr -1.949 -1.411 -1.003
1.08-3.57 Gyr -2.030 -1.387 -1.095
3.57-11.74 Gyr -2.285 -1.429 -1.142
11.74-13.04 Gyr -2.520 -1.516 -0.966

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.089 10.156 10.220
{\rm log}_{10}({\rm SFR}) -0.627 -0.403 -0.191
{\rm log}_{10}({\rm sSFR}) -10.798 -10.552 -10.324
{\rm stellar\ age} 7.159 7.815 9.130

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.604 -1.323 -1.031
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.281 -0.237 0.309

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.174 0.291 0.433
\delta -0.409 -0.110 0.084
\tau_1/\tau_2 0.570 0.873 1.167
Q_{PAH} 0.465 1.352 2.709
U_{min} 2.633 7.433 14.341
{\rm log}_{10}(\gamma_e)\, -2.920 -1.925 -1.071

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.559 -3.806 -2.632
{\rm log}_{10}(\tau_{AGN})\, 1.070 1.518 1.926

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.505 -0.277 -0.090
0.03-0.10 Gyr -0.848 -0.481 -0.186
0.10-0.33 Gyr -1.082 -0.643 -0.280
0.33-1.08 Gyr -1.060 -0.598 -0.300
1.08-3.57 Gyr -0.676 -0.179 0.105
3.57-11.74 Gyr 0.178 0.346 0.444
11.74-13.04 Gyr -0.135 0.393 0.911
 

Aperture Photometry


Aperture details

RA, DEC (J2000):17h53m01.24s, 57d51m36.89s
semi major axis, semi minor axis (arcsec):1.92, 1.92
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 6.94 1.71 21.797 0.267 AB
SDSS_g 18.63 1.27 20.725 0.074 AB
DES_g 19.01 0.32 20.702 0.019 AB
PanSTARRS_g 17.03 0.54 20.822 0.035 AB
SDSS_r 28.04 1.65 20.281 0.064 AB
PanSTARRS_r 31.14 0.55 20.167 0.019 AB
DES_r 33.03 0.73 20.103 0.024 AB
SDSS_i 41.68 2.29 19.850 0.060 AB
PanSTARRS_i 38.38 0.71 19.940 0.020 AB
PanSTARRS_z 36.64 1.78 19.990 0.053 AB
SDSS_z 50.02 6.14 19.652 0.133 AB
DES_z 41.26 1.6 19.861 0.042 AB
PanSTARRS_y 54.58 3.74 19.557 0.074 AB

Aperture details

RA, DEC (J2000):17h53m01.90s, 57d51m40.25s
semi major axis, semi minor axis (arcsec):12.43, 9.45
angle (degrees, anti-clockwise from east):194.71
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 41.22 5.12 19.862 0.135 AB
GALEX_NUV 46.24 3.65 19.738 0.086 AB
SDSS_u 156.03 9.54 18.417 0.066 AB
SDSS_g 421.52 6.41 17.338 0.017 AB
DES_g 440.32 1.59 17.291 0.004 AB
PanSTARRS_g 410.79 3.03 17.366 0.008 AB
SDSS_r 748.34 8.9 16.715 0.013 AB
PanSTARRS_r 761.87 3.07 16.695 0.004 AB
DES_r 815.87 3.68 16.621 0.005 AB
SDSS_i 1050.09 12.27 16.347 0.013 AB
PanSTARRS_i 983.84 4.0 16.418 0.004 AB
PanSTARRS_z 1104.94 10.04 16.292 0.010 AB
SDSS_z 1359.7 34.4 16.066 0.027 AB
DES_z 1107.38 8.52 16.289 0.008 AB
PanSTARRS_y 1210.15 20.97 16.193 0.019 AB
2MASS_J 1441.14 246.06 15.108 0.185 Vega
2MASS_H 1053.13 407.85 14.976 0.420 Vega
2MASS_K 571.89 438.86 15.169 0.833 Vega
WISE_W1 685.01 29.9 14.112 0.047 Vega
WISE_W2 393.91 27.01 14.073 0.074 Vega
WISE_W3 1300.47 84.48 10.941 0.071 Vega
WISE_W4 606.34 404.8 10.323 0.725 Vega