2026nkj results

Information

Transient
Name:AT2026nkj
Right ascension: 16h29m21.45s
Declination:50d38m51.10s
Discovery Date:May 21, 2026, 8:49 a.m.
Classification:None
Redshift:None
MW E(B-V):0.019
Host
Name:J162921.20+503847.95
Object ID:9907737766465588
Catalog Name:decals
Catalog Release:dr9
Right ascension: 16h29m21.20s
Declination:50d38m47.95s
Redshift:None
Photometric Redshift:0.091
 

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_z
DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 16.96
Transient MWEBV processed 0.12
Host match processed 4.74
Host information processed 0.13
Host MWEBV processed 0.21
Global aperture construction processed 0.64
Global aperture photometry processed 5.01
Validate global photometry processed 13.5
Global host SED inference processed 449.6
Local aperture photometry processed 4.93
Validate local photometry processed 0.02
Local host SED inference processed 409.05
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):16h29m21.45s, 50d38m51.10s
semi major axis, semi minor axis (arcsec):1.18, 1.18
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 6.6 0.24 21.851 0.039 AB
PanSTARRS_i 9.86 0.37 21.416 0.040 AB
PanSTARRS_z 7.83 0.89 21.666 0.123 AB
DES_z 8.48 0.56 21.579 0.072 AB
PanSTARRS_y 6.11 1.94 21.935 0.345 AB

Aperture details

RA, DEC (J2000):16h29m21.17s, 50d38m48.15s
semi major axis, semi minor axis (arcsec):9.92, 6.05
angle (degrees, anti-clockwise from east):-38.68
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 52.51 6.18 19.599 0.128 AB
GALEX_NUV 50.76 2.66 19.636 0.057 AB
DES_g 160.58 1.21 18.386 0.008 AB
PanSTARRS_g 148.33 1.7 18.472 0.012 AB
PanSTARRS_r 185.71 2.27 18.228 0.013 AB
PanSTARRS_i 244.81 2.39 17.928 0.011 AB
PanSTARRS_z 229.61 5.8 17.998 0.027 AB
DES_z 239.27 3.26 17.953 0.015 AB
PanSTARRS_y 194.56 12.65 18.177 0.071 AB
2MASS_J 130.22 157.17 17.718 1.310 Vega
2MASS_H 135.67 225.43 17.201 1.804 Vega
2MASS_K 235.5 306.87 16.132 1.415 Vega
WISE_W1 147.94 11.56 15.776 0.085 Vega
WISE_W2 93.14 13.74 15.638 0.160 Vega
WISE_W3 271.6 37.63 12.641 0.150 Vega
WISE_W4 609.61 216.07 10.317 0.385 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.757 8.053 8.274
{\rm log}_{10}({\rm SFR}) -1.537 -1.095 -0.618
{\rm log}_{10}({\rm sSFR}) -9.738 -9.120 -8.448
{\rm stellar\ age} 0.866 3.825 6.009

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.691 -1.150 -0.357
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.573 -1.184 -0.452

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.169 0.366 0.794
\delta -0.693 -0.236 0.171
\tau_1/\tau_2 0.660 1.020 1.409
Q_{PAH} 0.989 2.695 5.272
U_{min} 2.864 7.626 14.434
{\rm log}_{10}(\gamma_e)\, -2.924 -1.904 -0.852

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.838 -0.112 0.253
{\rm log}_{10}(\tau_{AGN})\, 1.180 1.533 1.943

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.438 -1.070 -0.719
0.03-0.10 Gyr -1.747 -1.133 -0.554
0.10-0.33 Gyr -1.861 -1.274 -0.809
0.33-1.06 Gyr -2.443 -1.555 -1.177
1.06-3.47 Gyr -3.362 -1.970 -1.527
3.47-11.31 Gyr -3.577 -2.198 -1.689
11.31-12.56 Gyr -3.595 -2.264 -1.613

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.499 9.607 9.724
{\rm log}_{10}({\rm SFR}) -0.130 0.078 0.309
{\rm log}_{10}({\rm sSFR}) -9.764 -9.522 -9.275
{\rm stellar\ age} 4.464 5.799 6.862

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.322 -0.912 -0.581
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.938 -1.811 -0.919

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.041 0.099 0.204
\delta -0.264 0.142 0.333
\tau_1/\tau_2 0.604 0.939 1.279
Q_{PAH} 1.180 2.776 4.841
U_{min} 2.603 7.485 14.226
{\rm log}_{10}(\gamma_e)\, -2.972 -2.082 -1.103

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.841 -2.433 -1.713
{\rm log}_{10}(\tau_{AGN})\, 0.911 1.323 1.819

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.320 -0.176 -0.044
0.03-0.10 Gyr -0.115 0.160 0.427
0.10-0.33 Gyr -0.152 0.121 0.342
0.33-1.06 Gyr -0.431 -0.135 0.063
1.06-3.47 Gyr -0.520 -0.270 -0.081
3.47-11.31 Gyr -0.638 -0.351 -0.152
11.31-12.56 Gyr -0.796 -0.295 0.102