2026hbb results

Information

Transient
Name:AT2026hbb
Right ascension: 2h27m39.40s
Declination:19d17m47.33s
Discovery Date:March 12, 2026, 2:56 a.m.
Classification:None
Redshift:None
MW E(B-V):0.152
Host
Name:J022739.41+191748.24
Right ascension: 2h27m39.41s
Declination:19d17m48.24s
Redshift:None
Photometric Redshift:0.088
 

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_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 6.21
Transient MWEBV processed 0.19
Host match processed 6.5
Host information processed 0.12
Host MWEBV processed 0.05
Global aperture construction processed 2.79
Global aperture photometry processed 3.89
Validate global photometry processed 11.88
Global host SED inference processed 587.76
Local aperture photometry processed 3.8
Validate local photometry processed 0.02
Local host SED inference processed 437.15
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):2h27m39.40s, 19d17m47.33s
semi major axis, semi minor axis (arcsec):1.22, 1.22
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 9.24 0.41 21.486 0.048 AB
PanSTARRS_i 14.26 0.5 21.015 0.038 AB
PanSTARRS_z 16.1 0.74 20.883 0.050 AB
PanSTARRS_y 14.46 1.75 21.000 0.132 AB

Aperture details

RA, DEC (J2000):2h27m39.41s, 19d17m48.90s
semi major axis, semi minor axis (arcsec):9.98, 6.46
angle (degrees, anti-clockwise from east):-68.16
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.89 2.75 21.658 0.379 AB
GALEX_NUV 9.74 2.97 21.428 0.331 AB
PanSTARRS_g 59.58 1.85 19.462 0.034 AB
PanSTARRS_r 89.22 2.65 19.024 0.032 AB
PanSTARRS_i 125.51 3.25 18.653 0.028 AB
PanSTARRS_z 129.31 4.87 18.621 0.041 AB
PanSTARRS_y 86.93 11.52 19.052 0.144 AB
2MASS_J -78.44 180.22 Vega
2MASS_H 286.1 274.03 16.391 1.040 Vega
2MASS_K 178.25 313.9 16.435 1.912 Vega
WISE_W2 96.89 18.14 15.595 0.203 Vega
WISE_W3 93.7 93.53 13.797 1.084 Vega
WISE_W4 -415.22 466.06 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.566 8.767 8.935
{\rm log}_{10}({\rm SFR}) -1.554 -0.971 -0.334
{\rm log}_{10}({\rm sSFR}) -10.393 -9.758 -8.975
{\rm stellar\ age} 2.963 6.146 8.126

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.634 -1.082 -0.326
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.513 -0.836 -0.087

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.397 0.805 1.332
\delta -0.343 -0.032 0.269
\tau_1/\tau_2 0.673 1.061 1.433
Q_{PAH} 1.152 3.331 5.533
U_{min} 3.115 8.274 15.127
{\rm log}_{10}(\gamma_e)\, -2.986 -1.912 -0.830

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.735 -0.555 0.093
{\rm log}_{10}(\tau_{AGN})\, 1.062 1.452 1.922

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.445 -1.006 -0.541
0.03-0.10 Gyr -1.839 -1.007 -0.261
0.10-0.33 Gyr -2.339 -1.271 -0.555
0.33-1.06 Gyr -2.650 -1.374 -0.757
1.06-3.48 Gyr -2.549 -1.303 -0.947
3.48-11.34 Gyr -2.203 -1.245 -0.954
11.34-12.60 Gyr -2.180 -1.194 -0.490

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.398 9.540 9.670
{\rm log}_{10}({\rm SFR}) -0.501 -0.162 0.182
{\rm log}_{10}({\rm sSFR}) -10.020 -9.684 -9.366
{\rm stellar\ age} 4.578 6.319 7.777

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.706 -1.366 -0.919
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.881 -1.703 -1.267

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.088 0.254 0.427
\delta -0.294 0.124 0.330
\tau_1/\tau_2 0.536 0.905 1.261
Q_{PAH} 2.716 4.710 6.174
U_{min} 3.155 8.333 14.755
{\rm log}_{10}(\gamma_e)\, -2.958 -1.953 -1.018

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.555 -1.381 -0.750
{\rm log}_{10}(\tau_{AGN})\, 1.009 1.487 1.893

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.814 -0.496 -0.230
0.03-0.10 Gyr -0.531 -0.081 0.309
0.10-0.33 Gyr -0.511 -0.144 0.168
0.33-1.06 Gyr -0.837 -0.371 -0.081
1.06-3.48 Gyr -0.846 -0.437 -0.181
3.48-11.34 Gyr -0.851 -0.425 -0.209
11.34-12.60 Gyr -0.971 -0.342 0.228