2026hhu results

Information

Transient
Name:AT2026hhu
Right ascension: 12h28m05.30s
Declination:12d53m58.92s
Discovery Date:March 14, 2026, 5:45 a.m.
Classification:None
Redshift:None
MW E(B-V):0.021
Host
Name:PGC040958
Right ascension: 12h28m06.48s
Declination:12d53m53.12s
Redshift:None
Photometric Redshift:0.008
 

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_r
DES_z
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 20.33
Transient MWEBV processed 0.13
Host match processed 5.32
Host information processed 0.04
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 6.16
Validate global photometry processed 14.12
Global host SED inference processed 1369.94
Local aperture photometry processed 6.2
Validate local photometry processed 0.03
Local host SED inference processed 447.56
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h28m05.30s, 12d53m58.92s
semi major axis, semi minor axis (arcsec):12.57, 12.57
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.8 0.72 22.196 0.163 AB
GALEX_NUV 4.51 0.27 22.265 0.066 AB
SDSS_u 126.97 12.58 18.641 0.108 AB
SDSS_g 18.72 4.68 20.719 0.271 AB
DES_g 61.68 1.12 19.425 0.020 AB
PanSTARRS_g 58.49 3.11 19.482 0.058 AB
SDSS_r 129.82 6.92 18.617 0.058 AB
PanSTARRS_r 79.99 2.75 19.142 0.037 AB
DES_r 110.5 2.11 18.792 0.021 AB
SDSS_i 117.12 8.87 18.728 0.082 AB
PanSTARRS_i 117.26 4.62 18.727 0.043 AB
PanSTARRS_z 71.59 8.98 19.263 0.136 AB
SDSS_z -26.49 42.15 AB
DES_z 149.34 5.11 18.465 0.037 AB
PanSTARRS_y -22.24 16.42 AB
2MASS_H 689.76 404.97 15.436 0.637 Vega

Aperture details

RA, DEC (J2000):12h28m06.52s, 12d53m53.17s
semi major axis, semi minor axis (arcsec):22.41, 11.75
angle (degrees, anti-clockwise from east):-9.84
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.13 0.87 22.361 0.229 AB
GALEX_NUV 21.81 0.4 20.553 0.020 AB
SDSS_u 441.22 16.59 17.288 0.041 AB
SDSS_g 808.71 9.01 16.631 0.012 AB
DES_g 867.66 1.99 16.554 0.002 AB
PanSTARRS_g 901.19 4.03 16.513 0.005 AB
SDSS_r 1585.09 12.78 15.900 0.009 AB
DES_r 1593.83 3.91 15.894 0.003 AB
SDSS_i 2016.17 15.42 15.639 0.008 AB
PanSTARRS_i 1954.12 6.0 15.673 0.003 AB
PanSTARRS_z 2297.32 11.74 15.497 0.006 AB
SDSS_z 2366.61 54.8 15.465 0.025 AB
DES_z 2267.89 10.76 15.511 0.005 AB
PanSTARRS_y 2298.04 21.69 15.497 0.010 AB
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.061 7.316 7.486
{\rm log}_{10}({\rm SFR}) -2.183 -1.762 -1.267
{\rm log}_{10}({\rm sSFR}) -9.584 -9.066 -8.391
{\rm stellar\ age} 0.839 4.329 6.779

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.837 -1.527 -0.952
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.033 0.138 0.322

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.834 1.208 1.596
\delta -0.256 -0.105 0.031
\tau_1/\tau_2 0.714 1.076 1.461
Q_{PAH} 0.629 2.058 4.449
U_{min} 2.983 8.627 16.412
{\rm log}_{10}(\gamma_e)\, -3.172 -2.318 -1.226

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.374 -1.173 -0.464
{\rm log}_{10}(\tau_{AGN})\, 0.886 1.308 1.814

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.040 -1.694 -1.352
0.03-0.10 Gyr -2.508 -1.841 -1.215
0.10-0.33 Gyr -2.925 -2.159 -1.644
0.33-1.10 Gyr -3.593 -2.451 -2.037
1.10-3.65 Gyr -4.329 -2.743 -2.282
3.65-12.11 Gyr -4.917 -2.962 -2.485
12.11-13.45 Gyr -5.006 -3.035 -2.348

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.576 8.840 8.960
{\rm log}_{10}({\rm SFR}) -8.280 -3.555 -0.500
{\rm log}_{10}({\rm sSFR}) -17.478 -12.483 -9.033
{\rm stellar\ age} 5.189 9.262 12.762

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.875 -1.605 -1.209
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.726 -0.812 0.216

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.091 0.373 1.009
\delta -0.781 -0.341 0.216
\tau_1/\tau_2 0.547 0.973 1.447
Q_{PAH} 1.596 3.515 5.689
U_{min} 3.454 9.987 18.276
{\rm log}_{10}(\gamma_e)\, -3.385 -2.002 -0.658

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.480 -1.074 -0.409
{\rm log}_{10}(\tau_{AGN})\, 1.020 1.443 1.817

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -9.330 -4.556 -2.285
0.03-0.10 Gyr -8.789 -3.632 -0.345
0.10-0.33 Gyr -8.417 -4.307 -0.925
0.33-1.10 Gyr -8.001 -4.621 -1.500
1.10-3.65 Gyr -5.849 -3.524 -1.367
3.65-12.11 Gyr -3.833 -1.804 -0.976
12.11-13.45 Gyr -2.545 -0.511 0.083