2026abbu results

Information

Transient
Name:AT2026abbu
Right ascension: 21h44m02.58s
Declination:6d08m17.29s
Discovery Date:Sept. 7, 2026, 1:13 a.m.
Classification:None
Redshift:None
MW E(B-V):0.083
Host
Name:J214402.59+060816.61
Object ID:9906623858609932
Catalog Name:decals
Catalog Release:dr9
Right ascension: 21h44m02.59s
Declination:6d08m16.61s
Redshift:None
Photometric Redshift:0.082
 

Cutout Download Report

Downloadable 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_r
DES_z
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 22.69
Transient MWEBV processed 0.14
Host match processed 5.77
Host information processed 0.15
Host MWEBV processed 0.11
Host spectrum download processed 0.12
Global aperture construction processed 0.68
Global aperture photometry processed 6.78
Validate global photometry processed 19.3
Global host SED inference processed 338.99
Local aperture photometry processed 6.77
Validate local photometry processed 0.03
Local host SED inference processed 353.51
 

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})\, 10.096 10.267 10.415
{\rm log}_{10}({\rm SFR}) -0.154 0.302 0.751
{\rm log}_{10}({\rm sSFR}) -10.479 -9.977 -9.429
{\rm stellar\ age} 4.010 6.695 8.059

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.330 -0.799 -0.409
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.332 -0.328 0.249

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.684 1.065 1.523
\delta -0.467 -0.091 0.195
\tau_1/\tau_2 0.614 0.918 1.212
Q_{PAH} 0.320 1.183 3.175
U_{min} 2.714 7.675 15.228
{\rm log}_{10}(\gamma_e)\, -3.117 -1.806 -0.791

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.438 -3.081 -0.919
{\rm log}_{10}(\tau_{AGN})\, 1.042 1.464 1.888

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.152 0.383 0.741
0.03-0.10 Gyr -0.453 0.193 0.765
0.10-0.33 Gyr -0.702 0.040 0.615
0.33-1.07 Gyr -0.881 0.011 0.506
1.07-3.49 Gyr -0.645 0.220 0.556
3.49-11.41 Gyr -0.401 0.365 0.574
11.41-12.68 Gyr -0.734 0.356 0.902

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.603 10.681 10.742
{\rm log}_{10}({\rm SFR}) -0.043 0.243 0.508
{\rm log}_{10}({\rm sSFR}) -10.728 -10.445 -10.164
{\rm stellar\ age} 6.685 7.416 8.458

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.010 -0.687 -0.410
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.417 -0.350 0.298

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.294 0.436 0.634
\delta -0.626 -0.353 -0.167
\tau_1/\tau_2 0.620 0.891 1.159
Q_{PAH} 0.553 1.037 1.873
U_{min} 2.420 7.230 14.418
{\rm log}_{10}(\gamma_e)\, -2.914 -2.051 -1.418

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.680 -1.375 -1.123
{\rm log}_{10}(\tau_{AGN})\, 1.056 1.316 1.559

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.125 0.381 0.596
0.03-0.10 Gyr -0.293 0.141 0.481
0.10-0.33 Gyr -0.514 0.014 0.355
0.33-1.07 Gyr -0.343 0.097 0.392
1.07-3.49 Gyr 0.068 0.492 0.760
3.49-11.41 Gyr 0.688 0.857 0.969
11.41-12.68 Gyr 0.442 0.885 1.341
 

Aperture Photometry


Aperture details

RA, DEC (J2000):21h44m02.58s, 6d08m17.29s
semi major axis, semi minor axis (arcsec):1.3, 1.3
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 119.87 0.57 18.703 0.005 AB
PanSTARRS_r 241.79 0.49 17.941 0.002 AB
DES_r 261.54 1.38 17.856 0.006 AB
SDSS_i 395.0 5.25 17.409 0.014 AB
PanSTARRS_i 397.11 0.41 17.403 0.001 AB
PanSTARRS_z 488.11 1.04 17.179 0.002 AB
SDSS_z 532.42 7.49 17.084 0.015 AB
DES_z 536.52 4.7 17.076 0.010 AB
PanSTARRS_y 565.01 2.27 17.020 0.004 AB

Aperture details

RA, DEC (J2000):21h44m02.57s, 6d08m16.62s
semi major axis, semi minor axis (arcsec):6.06, 4.24
angle (degrees, anti-clockwise from east):349.37
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.96 2.95 21.300 0.292 AB
GALEX_NUV 19.23 2.63 20.690 0.148 AB
SDSS_u 68.6 4.8 19.309 0.076 AB
SDSS_g 355.14 5.05 17.524 0.015 AB
DES_g 379.13 1.06 17.453 0.003 AB
PanSTARRS_g 384.3 1.05 17.438 0.003 AB
SDSS_r 731.19 7.32 16.740 0.011 AB
PanSTARRS_r 729.46 1.51 16.742 0.002 AB
DES_r 810.31 2.49 16.628 0.003 AB
SDSS_i 1125.45 9.5 16.272 0.009 AB
PanSTARRS_i 1131.2 1.35 16.266 0.001 AB
PanSTARRS_z 1364.0 3.6 16.063 0.003 AB
SDSS_z 1542.22 20.35 15.930 0.014 AB
DES_z 1484.47 7.98 15.971 0.006 AB
PanSTARRS_y 1658.94 8.56 15.850 0.006 AB
2MASS_J 2198.79 113.63 14.650 0.056 Vega
2MASS_H 2824.18 174.75 13.905 0.067 Vega
2MASS_K 2536.78 236.8 13.551 0.101 Vega
WISE_W1 1238.94 22.14 13.468 0.019 Vega
WISE_W2 1045.36 29.02 13.013 0.030 Vega
WISE_W3 3335.82 86.9 9.918 0.028 Vega
WISE_W4 6650.82 800.27 7.723 0.131 Vega