2026aggn results

Information

Transient
Name:AT2026aggn
Right ascension: 8h59m08.92s
Declination:11d35m54.97s
Discovery Date:Oct. 21, 2026, 2:17 p.m.
Classification:None
Redshift:None
MW E(B-V):0.031
Host
Name:J085908.89+113555.00
Object ID:9906625768327988
Catalog Name:decals
Catalog Release:dr9
Right ascension: 8h59m08.89s
Declination:11d35m55.00s
Redshift:0.047231
Photometric Redshift:None
Dataset
Version:0
 

Cutout Download Report

Downloadable 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_i
DES_z
GALEX_NUV
GALEX_FUV
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 19.31
Transient MWEBV processed 0.11
Host match processed 5.65
Host information processed 0.04
Host MWEBV processed 0.19
Host spectrum download processed 0.11
Global aperture construction processed 0.62
Global aperture photometry processed 7.12
Validate global photometry processed 18.58
Global host SED inference processed 446.25
Local aperture photometry processed 6.92
Validate local photometry processed 0.03
Local host SED inference processed 401.49
 

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})\, 10.125 10.280 10.403
{\rm log}_{10}({\rm SFR}) -1.332 -0.246 0.410
{\rm log}_{10}({\rm sSFR}) -11.580 -10.528 -9.808
{\rm stellar\ age} 5.337 7.284 8.767

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.036 -0.605 -0.322
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.362 -0.449 0.189

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.413 0.685 1.064
\delta -0.892 -0.676 -0.254
\tau_1/\tau_2 0.642 0.971 1.275
Q_{PAH} 0.292 1.308 3.487
U_{min} 2.735 7.529 15.459
{\rm log}_{10}(\gamma_e)\, -3.127 -1.931 -0.754

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.519 -3.454 -1.341
{\rm log}_{10}(\tau_{AGN})\, 1.084 1.520 1.942

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.488 -0.216 0.466
0.03-0.10 Gyr -1.561 -0.327 0.365
0.10-0.33 Gyr -1.572 -0.392 0.314
0.33-1.09 Gyr -1.238 -0.228 0.329
1.09-3.58 Gyr -0.665 0.160 0.490
3.58-11.81 Gyr -0.185 0.380 0.595
11.81-13.12 Gyr -0.397 0.342 0.991

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.462 10.514 10.618
{\rm log}_{10}({\rm SFR}) -2.254 -0.976 -0.450
{\rm log}_{10}({\rm sSFR}) -12.740 -11.489 -10.948
{\rm stellar\ age} 7.634 8.299 11.532

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.044 -0.794 -0.566
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.486 -0.638 0.126

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.219 0.377 0.532
\delta -0.811 -0.504 -0.124
\tau_1/\tau_2 0.638 0.964 1.287
Q_{PAH} 0.138 0.476 1.123
U_{min} 2.889 7.905 15.873
{\rm log}_{10}(\gamma_e)\, -3.259 -2.320 -1.288

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.720 -4.114 -2.958
{\rm log}_{10}(\tau_{AGN})\, 1.044 1.511 1.952

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.706 -1.073 -0.474
0.03-0.10 Gyr -2.590 -1.021 -0.433
0.10-0.33 Gyr -2.595 -1.055 -0.470
0.33-1.09 Gyr -2.648 -0.961 -0.351
1.09-3.58 Gyr -2.027 -0.433 0.141
3.58-11.81 Gyr 0.122 0.703 0.798
11.81-13.12 Gyr 0.060 0.857 1.658
 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h59m08.92s, 11d35m54.97s
semi major axis, semi minor axis (arcsec):2.16, 2.16
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 76.46 2.78 19.191 0.039 AB
SDSS_g 425.63 5.38 17.327 0.014 AB
DES_g 452.12 0.69 17.262 0.002 AB
PanSTARRS_g 425.47 0.72 17.328 0.002 AB
SDSS_r 970.45 8.12 16.433 0.009 AB
PanSTARRS_r 927.21 0.72 16.482 0.001 AB
DES_r 1100.85 1.95 16.296 0.002 AB
SDSS_i 1470.83 10.03 15.981 0.007 AB
PanSTARRS_i 1363.86 0.85 16.063 0.001 AB
DES_i 1581.96 2.28 15.902 0.002 AB
PanSTARRS_z 1766.31 1.62 15.782 0.001 AB
SDSS_z 1942.62 13.38 15.679 0.007 AB
DES_z 2066.74 4.18 15.612 0.002 AB
PanSTARRS_y 2104.72 3.59 15.592 0.002 AB

Aperture details

RA, DEC (J2000):8h59m08.88s, 11d35m55.24s
semi major axis, semi minor axis (arcsec):7.0, 4.76
angle (degrees, anti-clockwise from east):283.49
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 151.17 5.46 18.451 0.039 AB
SDSS_g 650.33 6.76 16.867 0.011 AB
DES_g 693.19 0.88 16.798 0.001 AB
PanSTARRS_g 705.18 1.61 16.779 0.002 AB
SDSS_r 1435.22 10.06 16.008 0.008 AB
PanSTARRS_r 1491.54 1.6 15.966 0.001 AB
DES_r 1598.37 2.4 15.891 0.002 AB
SDSS_i 2124.77 12.4 15.582 0.006 AB
PanSTARRS_i 2158.82 1.78 15.564 0.001 AB
DES_i 2275.97 2.78 15.507 0.001 AB
PanSTARRS_z 2700.95 3.74 15.321 0.002 AB
SDSS_z 2865.82 23.22 15.257 0.009 AB
DES_z 2884.43 5.02 15.250 0.002 AB
PanSTARRS_y 3249.41 9.17 15.120 0.003 AB
2MASS_J 3891.04 144.98 14.030 0.040 Vega
2MASS_H 5074.32 251.92 13.269 0.054 Vega
2MASS_K 4392.24 217.36 12.955 0.054 Vega
WISE_W1 1610.89 24.87 13.183 0.017 Vega
WISE_W2 937.19 27.69 13.131 0.032 Vega
WISE_W3 344.22 102.95 12.384 0.325 Vega
WISE_W4 579.76 575.97 10.372 1.079 Vega