2026gbw results

Information

Transient
Name:AT2026gbw
Right ascension: 8h56m14.32s
Declination:23d58m58.96s
Discovery Date:Jan. 11, 2026, 4:26 p.m.
Classification:None
Redshift:None
MW E(B-V):0.028
Host
Name:
Right ascension: 8h56m14.48s
Declination:23d58m59.27s
Redshift:0.059183
Photometric Redshift:None
 

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 17.75
Transient MWEBV processed 0.04
Host match processed 4.75
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 6.78
Validate global photometry processed 19.58
Global host SED inference processed 369.54
Local aperture photometry processed 6.33
Validate local photometry processed 0.03
Local host SED inference processed 472.79
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h56m14.32s, 23d58m58.96s
semi major axis, semi minor axis (arcsec):1.75, 1.75
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 30.43 2.18 20.192 0.078 AB
SDSS_g 80.76 2.39 19.132 0.032 AB
DES_g 84.95 0.52 19.077 0.007 AB
PanSTARRS_g 82.47 0.45 19.109 0.006 AB
SDSS_r 109.27 2.87 18.804 0.029 AB
PanSTARRS_r 117.48 0.55 18.725 0.005 AB
DES_r 125.75 1.16 18.651 0.010 AB
SDSS_i 138.92 3.42 18.543 0.027 AB
PanSTARRS_i 141.63 0.55 18.522 0.004 AB
PanSTARRS_z 151.42 1.15 18.450 0.008 AB
SDSS_z 131.82 8.35 18.600 0.069 AB
DES_z 158.69 2.68 18.399 0.018 AB
PanSTARRS_y 173.32 2.9 18.303 0.018 AB

Aperture details

RA, DEC (J2000):8h56m14.47s, 23d58m59.37s
semi major axis, semi minor axis (arcsec):6.22, 5.42
angle (degrees, anti-clockwise from east):-22.2
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 52.04 1.86 19.609 0.039 AB
GALEX_NUV 83.93 1.38 19.090 0.018 AB
SDSS_u 174.73 6.6 18.294 0.041 AB
SDSS_g 432.41 5.68 17.310 0.014 AB
DES_g 446.9 1.23 17.274 0.003 AB
PanSTARRS_g 434.49 1.41 17.305 0.004 AB
SDSS_r 608.33 7.16 16.940 0.013 AB
PanSTARRS_r 623.09 1.76 16.914 0.003 AB
DES_r 686.81 2.75 16.808 0.004 AB
SDSS_i 799.73 8.98 16.643 0.012 AB
PanSTARRS_i 798.73 1.76 16.644 0.002 AB
PanSTARRS_z 853.14 3.7 16.572 0.005 AB
SDSS_z 834.26 27.06 16.597 0.035 AB
DES_z 920.76 6.57 16.490 0.008 AB
PanSTARRS_y 1015.78 9.48 16.383 0.010 AB
2MASS_J 984.45 137.12 15.522 0.151 Vega
2MASS_H 1298.58 210.43 14.749 0.176 Vega
2MASS_K 1132.36 224.3 14.427 0.215 Vega
WISE_W1 530.61 15.75 14.389 0.032 Vega
WISE_W2 342.12 19.86 14.226 0.063 Vega
WISE_W3 1488.32 94.51 10.794 0.069 Vega
WISE_W4 2101.3 643.54 8.974 0.333 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.961 9.101 9.248
{\rm log}_{10}({\rm SFR}) -1.389 -0.851 -0.296
{\rm log}_{10}({\rm sSFR}) -10.536 -9.952 -9.353
{\rm stellar\ age} 2.583 5.179 6.933

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.603 -1.004 -0.344
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.608 -0.047 0.323

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.082 0.276 0.660
\delta -0.686 -0.247 0.099
\tau_1/\tau_2 0.714 1.021 1.346
Q_{PAH} 1.225 2.955 5.377
U_{min} 2.979 8.143 15.250
{\rm log}_{10}(\gamma_e)\, -2.986 -1.727 -0.584

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.815 -1.115 -0.463
{\rm log}_{10}(\tau_{AGN})\, 0.999 1.420 1.936

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.305 -1.003 -0.644
0.03-0.10 Gyr -1.545 -0.815 -0.186
0.10-0.33 Gyr -1.152 -0.453 0.074
0.33-1.08 Gyr -1.060 -0.544 -0.215
1.08-3.55 Gyr -1.265 -0.779 -0.519
3.55-11.67 Gyr -1.623 -0.963 -0.652
11.67-12.97 Gyr -1.805 -1.008 -0.491

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.798 9.862 9.917
{\rm log}_{10}({\rm SFR}) 0.155 0.340 0.519
{\rm log}_{10}({\rm sSFR}) -9.745 -9.532 -9.299
{\rm stellar\ age} 5.542 6.519 7.402

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.462 -0.341 -0.240
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.192 0.323 0.423

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.101 0.144 0.243
\delta -0.910 -0.720 -0.401
\tau_1/\tau_2 0.796 1.119 1.457
Q_{PAH} 0.521 1.529 2.765
U_{min} 2.147 6.294 12.792
{\rm log}_{10}(\gamma_e)\, -3.481 -2.737 -1.696

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.390 -3.483 -2.553
{\rm log}_{10}(\tau_{AGN})\, 1.021 1.513 1.901

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.190 -0.097 -0.008
0.03-0.10 Gyr 0.240 0.453 0.648
0.10-0.33 Gyr 0.045 0.275 0.477
0.33-1.08 Gyr -0.453 -0.119 0.079
1.08-3.55 Gyr -0.385 -0.119 0.081
3.55-11.67 Gyr -0.255 -0.065 0.054
11.67-12.97 Gyr -0.435 -0.025 0.344