2026ppn results

Information

Transient
Name:AT2026ppn
Right ascension: 17h43m34.92s
Declination:16d31m01.42s
Discovery Date:June 7, 2026, 12:22 p.m.
Classification:None
Redshift:None
MW E(B-V):0.076
Host
Name:J174335.41+163107.65
Object ID:9906627634536006
Catalog Name:decals
Catalog Release:dr9
Right ascension: 17h43m35.41s
Declination:16d31m07.65s
Redshift:None
Photometric Redshift:0.054
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
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
GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.05
Transient MWEBV processed 0.16
Host match processed 6.97
Host information processed 0.07
Host MWEBV processed 0.04
Global aperture construction processed 1.03
Global aperture photometry processed 6.9
Validate global photometry processed 17.23
Global host SED inference processed 1099.06
Local aperture photometry processed 6.86
Validate local photometry processed 0.02
Local host SED inference processed 471.58
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):17h43m34.92s, 16d31m01.42s
semi major axis, semi minor axis (arcsec):1.91, 1.91
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 9.02 1.3 21.512 0.156 AB
SDSS_g 24.15 1.42 20.443 0.064 AB
DES_g 24.78 0.24 20.415 0.011 AB
PanSTARRS_g 22.21 0.45 20.534 0.022 AB
SDSS_r 31.86 1.68 20.142 0.057 AB
PanSTARRS_r 33.04 0.53 20.102 0.018 AB
DES_r 37.75 0.45 19.958 0.013 AB
SDSS_i 44.37 2.1 19.782 0.051 AB
PanSTARRS_i 38.03 0.81 19.950 0.023 AB
PanSTARRS_z 45.16 1.9 19.763 0.046 AB
SDSS_z 41.38 4.66 19.858 0.122 AB
DES_z 48.56 1.18 19.684 0.026 AB
PanSTARRS_y 46.45 4.05 19.733 0.095 AB

Aperture details

RA, DEC (J2000):17h43m35.41s, 16d31m07.58s
semi major axis, semi minor axis (arcsec):12.21, 8.95
angle (degrees, anti-clockwise from east):-25.17
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 451.02 7.93 17.265 0.019 AB
SDSS_g 1545.37 10.79 15.927 0.008 AB
DES_g 1817.78 1.93 15.751 0.001 AB
DES_r 3080.58 3.84 15.178 0.001 AB
SDSS_i 3358.5 16.43 15.085 0.005 AB
PanSTARRS_i 3182.25 4.43 15.143 0.002 AB
PanSTARRS_z 3571.56 10.35 15.018 0.003 AB
DES_z 4398.9 10.55 14.792 0.003 AB
PanSTARRS_y 3998.55 21.98 14.895 0.006 AB
WISE_W1 1888.7 56.11 13.011 0.032 Vega
WISE_W2 1188.92 55.21 12.873 0.050 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.158 8.443 8.621
{\rm log}_{10}({\rm SFR}) -1.628 -1.087 -0.414
{\rm log}_{10}({\rm sSFR}) -10.170 -9.554 -8.653
{\rm stellar\ age} 1.901 4.965 6.827

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.465 -0.765 -0.227
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.782 -1.399 -0.109

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.144 0.365 0.699
\delta -0.766 -0.357 0.037
\tau_1/\tau_2 0.706 1.056 1.402
Q_{PAH} 0.836 2.773 5.324
U_{min} 2.952 8.373 15.818
{\rm log}_{10}(\gamma_e)\, -2.885 -1.683 -0.660

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.053 -0.768 -0.133
{\rm log}_{10}(\tau_{AGN})\, 1.118 1.644 2.029

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.635 -1.228 -0.919
0.03-0.10 Gyr -1.752 -1.042 -0.288
0.10-0.33 Gyr -1.751 -1.045 -0.567
0.33-1.08 Gyr -2.238 -1.278 -0.892
1.08-3.57 Gyr -2.469 -1.502 -1.177
3.57-11.74 Gyr -2.869 -1.672 -1.299
11.74-13.04 Gyr -2.951 -1.726 -1.122

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.367 10.513 10.646
{\rm log}_{10}({\rm SFR}) -0.582 0.088 0.544
{\rm log}_{10}({\rm sSFR}) -11.167 -10.447 -9.928
{\rm stellar\ age} 3.987 6.557 8.052

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.633 -1.286 -1.057
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.241 -0.136 0.166

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.115 0.199 0.313
\delta -0.964 -0.848 -0.576
\tau_1/\tau_2 0.682 1.104 1.535
Q_{PAH} 0.220 1.019 2.789
U_{min} 3.137 8.732 16.134
{\rm log}_{10}(\gamma_e)\, -2.925 -1.947 -0.931

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.507 -3.595 -2.534
{\rm log}_{10}(\tau_{AGN})\, 1.075 1.591 1.958

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.230 0.211 0.440
0.03-0.10 Gyr -1.886 0.004 0.608
0.10-0.33 Gyr -1.502 0.317 0.856
0.33-1.08 Gyr -1.032 0.476 0.877
1.08-3.57 Gyr -0.015 0.585 0.971
3.57-11.74 Gyr -0.231 0.561 0.806
11.74-13.04 Gyr -0.770 0.508 1.145