2026bsg results

Information

Transient
Name:AT2026bsg
Right ascension: 9h48m29.84s
Declination:23d06m24.65s
Discovery Date:Jan. 28, 2026, 8:31 a.m.
Classification:None
Redshift:None
MW E(B-V):0.032
Host
Name:1681584
Right ascension: 9h48m29.76s
Declination:23d06m29.38s
Redshift:None
Photometric Redshift:0.035
 

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 18.25
Transient MWEBV processed 0.09
Host match processed 4.93
Host information processed 0.08
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 6.35
Validate global photometry processed 18.45
Global host SED inference processed 419.02
Local aperture photometry processed 6.13
Validate local photometry processed 0.03
Local host SED inference processed 430.5
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):9h48m29.84s, 23d06m24.65s
semi major axis, semi minor axis (arcsec):2.89, 2.89
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 39.67 2.54 19.904 0.070 AB
SDSS_g 96.65 2.66 18.937 0.030 AB
DES_g 101.36 0.55 18.885 0.006 AB
PanSTARRS_g 85.23 0.61 19.073 0.008 AB
SDSS_r 128.39 3.19 18.629 0.027 AB
PanSTARRS_r 122.75 0.75 18.677 0.007 AB
DES_r 145.9 1.33 18.490 0.010 AB
SDSS_i 160.16 4.17 18.389 0.028 AB
PanSTARRS_i 137.54 0.96 18.554 0.008 AB
PanSTARRS_z 160.74 1.93 18.385 0.013 AB
SDSS_z 183.07 10.09 18.243 0.060 AB
DES_z 185.56 2.91 18.229 0.017 AB
PanSTARRS_y 185.01 4.53 18.232 0.027 AB
2MASS_H 158.65 79.25 17.031 0.542 Vega

Aperture details

RA, DEC (J2000):9h48m29.85s, 23d06m30.32s
semi major axis, semi minor axis (arcsec):16.21, 7.09
angle (degrees, anti-clockwise from east):-155.83
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 94.65 9.67 18.960 0.111 AB
GALEX_NUV 138.43 6.99 18.547 0.055 AB
SDSS_u 284.38 8.67 17.765 0.033 AB
SDSS_g 708.11 7.51 16.775 0.012 AB
DES_g 704.11 1.52 16.781 0.002 AB
PanSTARRS_g 688.11 2.21 16.806 0.003 AB
SDSS_r 968.19 9.36 16.435 0.010 AB
PanSTARRS_r 992.11 2.76 16.409 0.003 AB
DES_r 1046.52 3.68 16.351 0.004 AB
SDSS_i 1192.95 13.22 16.208 0.012 AB
PanSTARRS_i 1133.32 3.52 16.264 0.003 AB
PanSTARRS_z 1294.36 7.1 16.120 0.006 AB
SDSS_z 1360.46 36.48 16.066 0.029 AB
DES_z 1368.08 8.21 16.060 0.007 AB
PanSTARRS_y 1496.01 16.69 15.963 0.012 AB
2MASS_J 1739.83 179.51 14.904 0.112 Vega
2MASS_H 1235.75 303.86 14.803 0.267 Vega
2MASS_K 1300.9 339.03 14.277 0.283 Vega
WISE_W1 700.46 23.38 14.088 0.036 Vega
WISE_W2 359.08 30.19 14.173 0.091 Vega
WISE_W3 1316.54 148.54 10.927 0.122 Vega
WISE_W4 1614.97 700.29 9.260 0.471 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.277 8.629 8.850
{\rm log}_{10}({\rm SFR}) -1.014 -0.525 -0.081
{\rm log}_{10}({\rm sSFR}) -9.804 -9.144 -8.425
{\rm stellar\ age} 1.830 5.164 7.254

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.562 -0.683 -0.179
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.689 -1.213 -0.061

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.276 0.569 0.922
\delta -0.633 -0.183 0.145
\tau_1/\tau_2 0.683 1.037 1.423
Q_{PAH} 0.515 2.578 4.934
U_{min} 2.947 8.590 15.534
{\rm log}_{10}(\gamma_e)\, -3.372 -2.078 -0.944

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.085 -2.620 -0.997
{\rm log}_{10}(\tau_{AGN})\, 0.924 1.376 1.895

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.043 -0.771 -0.523
0.03-0.10 Gyr -1.069 -0.454 0.039
0.10-0.33 Gyr -1.759 -0.977 -0.511
0.33-1.09 Gyr -2.449 -1.297 -0.893
1.09-3.62 Gyr -2.573 -1.381 -1.014
3.62-11.96 Gyr -2.868 -1.542 -1.083
11.96-13.29 Gyr -2.931 -1.573 -0.893

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.477 9.549 9.618
{\rm log}_{10}({\rm SFR}) -0.105 0.093 0.277
{\rm log}_{10}({\rm sSFR}) -9.675 -9.461 -9.232
{\rm stellar\ age} 5.842 6.750 7.795

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.775 -0.603 -0.484
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.175 0.330 0.440

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.099 0.155 0.270
\delta -0.874 -0.634 -0.331
\tau_1/\tau_2 0.582 0.937 1.289
Q_{PAH} 0.261 0.838 1.839
U_{min} 2.739 7.244 13.973
{\rm log}_{10}(\gamma_e)\, -3.197 -2.310 -1.680

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.518 -3.853 -3.066
{\rm log}_{10}(\tau_{AGN})\, 1.083 1.563 1.934

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.686 -0.540 -0.430
0.03-0.10 Gyr 0.003 0.228 0.421
0.10-0.33 Gyr -0.429 -0.050 0.181
0.33-1.09 Gyr -0.840 -0.470 -0.257
1.09-3.62 Gyr -0.752 -0.467 -0.281
3.62-11.96 Gyr -0.552 -0.381 -0.248
11.96-13.29 Gyr -0.743 -0.314 0.090