2026bwu results

Information

Transient
Name:AT2026bwu
Right ascension: 18h27m04.76s
Declination:44d09m53.05s
Discovery Date:Jan. 21, 2026, 12:20 p.m.
Classification:None
Redshift:None
MW E(B-V):
Host
Name:J182704.90+440951.93
Right ascension: 18h27m04.90s
Declination:44d09m51.93s
Redshift:None
Photometric Redshift:0.072
 

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 3.9
Transient MWEBV processed 0.03
Host match processed 5.07
Host information processed 0.16
Host MWEBV processed 0.03
Global aperture construction processed 0.62
Global aperture photometry processed 3.91
Validate global photometry processed 11.96
Global host SED inference processed 415.34
Local aperture photometry processed 3.79
Validate local photometry processed 0.02
Local host SED inference processed 539.43
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):18h27m04.76s, 44d09m53.05s
semi major axis, semi minor axis (arcsec):1.46, 1.46
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 61.46 0.34 19.429 0.006 AB
PanSTARRS_r 123.84 0.5 18.668 0.004 AB
PanSTARRS_i 174.2 0.43 18.297 0.003 AB
PanSTARRS_z 214.76 1.17 18.070 0.006 AB
PanSTARRS_y 242.0 3.07 17.940 0.014 AB

Aperture details

RA, DEC (J2000):18h27m04.89s, 44d09m52.13s
semi major axis, semi minor axis (arcsec):14.3, 9.67
angle (degrees, anti-clockwise from east):-148.95
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 59.72 7.17 19.460 0.130 AB
GALEX_NUV 83.08 5.46 19.101 0.071 AB
PanSTARRS_g 679.38 2.55 16.820 0.004 AB
PanSTARRS_r 1217.76 3.74 16.186 0.003 AB
PanSTARRS_i 1653.2 3.27 15.854 0.002 AB
PanSTARRS_z 1870.8 9.2 15.720 0.005 AB
PanSTARRS_y 2183.3 24.79 15.552 0.012 AB
2MASS_J 2230.68 265.91 14.634 0.129 Vega
2MASS_H 2549.03 400.24 14.016 0.170 Vega
2MASS_K 2725.25 450.15 13.474 0.179 Vega
WISE_W1 1249.15 96.2 13.459 0.084 Vega
WISE_W2 638.12 80.91 13.549 0.138 Vega
WISE_W3 1299.14 86.51 10.942 0.072 Vega
WISE_W4 564.64 387.87 10.401 0.746 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.774 9.881 9.990
{\rm log}_{10}({\rm SFR}) -2.598 -1.272 -0.467
{\rm log}_{10}({\rm sSFR}) -12.571 -11.141 -10.372
{\rm stellar\ age} 7.379 8.860 12.052

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.444 -0.928 -0.605
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.620 -0.749 0.181

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.226 0.555 0.978
\delta -0.461 -0.062 0.261
\tau_1/\tau_2 0.596 0.999 1.397
Q_{PAH} 0.844 2.961 5.402
U_{min} 3.162 8.809 16.031
{\rm log}_{10}(\gamma_e)\, -3.176 -2.139 -0.691

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.067 -0.728 -0.265
{\rm log}_{10}(\tau_{AGN})\, 1.094 1.506 1.975

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.109 -1.590 -0.824
0.03-0.10 Gyr -3.097 -1.288 -0.369
0.10-0.33 Gyr -3.733 -1.563 -0.624
0.33-1.07 Gyr -4.340 -1.742 -0.677
1.07-3.52 Gyr -3.782 -1.484 -0.311
3.52-11.52 Gyr -1.691 -0.123 0.122
11.52-12.80 Gyr -0.327 0.528 1.079

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.628 10.687 10.777
{\rm log}_{10}({\rm SFR}) 0.058 0.286 0.578
{\rm log}_{10}({\rm sSFR}) -10.636 -10.404 -10.123
{\rm stellar\ age} 7.647 9.353 11.804

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.772 -0.607 -0.488
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.222 0.231 0.400

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.052 0.098 0.184
\delta -0.776 -0.400 -0.058
\tau_1/\tau_2 0.628 1.076 1.525
Q_{PAH} 0.362 1.047 2.851
U_{min} 2.830 8.217 15.810
{\rm log}_{10}(\gamma_e)\, -2.343 -1.426 -0.685

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.526 -3.781 -2.858
{\rm log}_{10}(\tau_{AGN})\, 1.043 1.575 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.510 -0.094 0.105
0.03-0.10 Gyr 0.101 0.387 0.716
0.10-0.33 Gyr -0.879 0.062 0.402
0.33-1.07 Gyr -1.986 -0.344 0.102
1.07-3.52 Gyr -1.902 -0.381 0.165
3.52-11.52 Gyr -0.422 0.721 0.910
11.52-12.80 Gyr 0.711 1.461 1.896