2026bbm

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Information

Transient

Name: AT2026bbm
Right ascension: 15h05m41.03s
Declination: 4d39m57.29s
Discovery Date: Jan. 22, 2026, 5:22 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.045

Host

Name: 1271475
Right ascension: 15h05m40.81s
Declination: 4d39m55.76s
Redshift: 0.067998
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 20.24
Transient MWEBV processed 0.03
Host match processed 3.63
Host information processed 0.06
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 6.58
Validate global photometry processed 19.26
Global host SED inference processed 372.69
Local aperture photometry processed 6.49
Validate local photometry processed 0.03
Local host SED inference processed 428.28
 

Cutout Download Report

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:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 15h05m41.03s, 4d39m57.29s
semi major axis, semi minor axis (arcsec) = 1.54, 1.54
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 14.65 1.37 20.985 0.101 AB
SDSS_g 46.74 1.86 19.726 0.043 AB
DES_g 47.54 0.41 19.707 0.009 AB
PanSTARRS_g 48.84 0.39 19.678 0.009 AB
SDSS_r 76.9 2.38 19.185 0.034 AB
PanSTARRS_r 78.14 0.51 19.168 0.007 AB
DES_r 83.53 0.66 19.095 0.009 AB
SDSS_i 106.51 2.9 18.832 0.030 AB
PanSTARRS_i 107.96 0.52 18.817 0.005 AB
PanSTARRS_z 120.21 0.95 18.700 0.009 AB
SDSS_z 124.18 5.19 18.665 0.045 AB
DES_z 122.87 1.6 18.676 0.014 AB
PanSTARRS_y 135.53 2.18 18.570 0.017 AB

Aperture details

RA, DEC (J2000) = 15h05m40.85s, 4d39m56.22s
semi major axis, semi minor axis (arcsec) = 8.23, 7.22
angle (degrees, anti-clockwise from east) = -119.74

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 28.62 1.36 20.258 0.052 AB
GALEX_NUV 55.71 1.14 19.535 0.022 AB
SDSS_u 143.72 5.87 18.506 0.044 AB
SDSS_g 483.33 6.39 17.189 0.014 AB
DES_g 514.07 1.41 17.122 0.003 AB
PanSTARRS_g 514.81 1.86 17.121 0.004 AB
SDSS_r 871.2 8.46 16.550 0.011 AB
PanSTARRS_r 871.1 2.45 16.550 0.003 AB
DES_r 958.65 2.32 16.446 0.003 AB
SDSS_i 1236.71 10.77 16.169 0.009 AB
PanSTARRS_i 1245.62 2.54 16.162 0.002 AB
PanSTARRS_z 1440.33 4.65 16.004 0.004 AB
SDSS_z 1547.55 24.1 15.926 0.017 AB
DES_z 1520.73 5.79 15.945 0.004 AB
PanSTARRS_y 1648.58 10.85 15.857 0.007 AB
2MASS_J 1978.23 182.83 14.764 0.100 Vega
2MASS_H 3135.8 231.0 13.792 0.080 Vega
2MASS_K 2465.86 400.92 13.582 0.177 Vega
WISE_W1 1063.99 21.62 13.634 0.022 Vega
WISE_W2 645.78 26.34 13.536 0.044 Vega
WISE_W3 2206.73 69.0 10.367 0.034 Vega
WISE_W4 3320.57 492.91 8.477 0.161 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.234 9.357 9.478
{\rm log}_{10}({\rm SFR}) -1.470 -0.906 -0.367
{\rm log}_{10}({\rm sSFR}) -10.828 -10.285 -9.695
{\rm stellar\ age} 4.885 6.857 8.397

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.750 -1.290 -0.785
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.687 -0.566 0.213

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.215 0.538 0.847
\delta -0.526 -0.164 0.207
\tau_1/\tau_2 0.754 1.081 1.404
Q_{PAH} 0.923 3.065 5.619
U_{min} 2.880 7.429 14.639
{\rm log}_{10}(\gamma_e)\, -3.023 -1.897 -0.661

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.699 -1.040 -0.298
{\rm log}_{10}(\tau_{AGN})\, 1.084 1.569 2.007

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.461 -1.099 -0.771
0.03-0.10 Gyr -1.605 -0.876 -0.255
0.10-0.33 Gyr -1.537 -0.780 -0.229
0.33-1.08 Gyr -1.531 -0.808 -0.335
1.08-3.53 Gyr -1.263 -0.655 -0.382
3.53-11.57 Gyr -0.952 -0.556 -0.360
11.57-12.85 Gyr -1.145 -0.506 0.052

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.427 10.471 10.539
{\rm log}_{10}({\rm SFR}) 0.113 0.346 0.603
{\rm log}_{10}({\rm sSFR}) -10.369 -10.129 -9.856
{\rm stellar\ age} 7.248 7.927 10.057

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.823 -0.599 -0.453
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.236 0.220 0.405

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.174 0.276 0.415
\delta -0.596 -0.309 -0.076
\tau_1/\tau_2 0.743 1.122 1.500
Q_{PAH} 1.001 1.911 3.146
U_{min} 2.485 7.275 14.469
{\rm log}_{10}(\gamma_e)\, -3.262 -2.174 -1.448

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.355 -3.311 -2.343
{\rm log}_{10}(\tau_{AGN})\, 1.072 1.570 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.193 -0.010 0.111
0.03-0.10 Gyr 0.159 0.447 0.735
0.10-0.33 Gyr -0.200 0.217 0.475
0.33-1.08 Gyr -0.734 -0.133 0.136
1.08-3.53 Gyr -0.699 -0.024 0.322
3.53-11.57 Gyr 0.356 0.637 0.733
11.57-12.85 Gyr 0.336 0.859 1.455