2026bir

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Information

Transient

Name: AT2026bir
Right ascension: 15h43m59.37s
Declination: 28d19m05.67s
Discovery Date: Jan. 18, 2026, 12:58 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.026

Host

Name:
Right ascension: 15h43m59.52s
Declination: 28d19m05.76s
Redshift: 0.075026
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 11.84
Transient MWEBV processed 0.05
Host match processed 5.29
Host information processed 0.1
Host MWEBV processed 0.05
Global aperture construction processed 0.68
Global aperture photometry processed 6.65
Validate global photometry processed 19.7
Global host SED inference processed 518.72
Local aperture photometry processed 6.26
Validate local photometry processed 0.03
Local host SED inference processed 419.57
 

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) = 15h43m59.37s, 28d19m05.67s
semi major axis, semi minor axis (arcsec) = 1.41, 1.41
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 62.44 0.29 19.411 0.005 AB
PanSTARRS_g 70.62 0.32 19.278 0.005 AB
SDSS_r 135.69 3.07 18.569 0.025 AB
PanSTARRS_r 142.05 0.43 18.519 0.003 AB
DES_r 145.12 0.93 18.496 0.007 AB
SDSS_i 208.42 3.88 18.103 0.020 AB
PanSTARRS_i 218.48 0.47 18.051 0.002 AB
PanSTARRS_z 272.69 1.07 17.811 0.004 AB
SDSS_z 289.3 5.63 17.747 0.021 AB
DES_z 295.85 3.07 17.722 0.011 AB
PanSTARRS_y 339.08 2.29 17.574 0.007 AB

Aperture details

RA, DEC (J2000) = 15h43m59.29s, 28d19m02.80s
semi major axis, semi minor axis (arcsec) = 12.36, 5.76
angle (degrees, anti-clockwise from east) = -123.98

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 13.88 0.85 21.044 0.066 AB
GALEX_NUV 26.57 0.53 20.339 0.022 AB
SDSS_u 276.96 6.65 17.794 0.026 AB
DES_g 1140.94 1.3 16.257 0.001 AB
PanSTARRS_g 1214.15 1.8 16.189 0.002 AB
SDSS_r 2043.7 12.2 15.624 0.006 AB
PanSTARRS_r 2080.15 2.37 15.605 0.001 AB
DES_r 2178.47 3.69 15.555 0.002 AB
SDSS_i 2749.28 14.91 15.302 0.006 AB
PanSTARRS_i 2745.45 2.65 15.303 0.001 AB
PanSTARRS_z 3152.78 6.11 15.153 0.002 AB
DES_z 3328.4 10.57 15.094 0.003 AB
2MASS_J 4349.79 216.12 13.909 0.054 Vega
2MASS_H 4280.3 333.85 13.454 0.085 Vega
2MASS_K 4280.92 375.82 12.983 0.095 Vega
WISE_W1 1825.6 23.23 13.047 0.014 Vega
WISE_W2 1084.45 29.49 12.973 0.030 Vega
WISE_W3 1528.94 64.22 10.765 0.046 Vega
WISE_W4 1118.78 329.22 9.658 0.319 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})\, 9.917 10.041 10.174
{\rm log}_{10}({\rm SFR}) -1.271 -0.570 -0.016
{\rm log}_{10}({\rm sSFR}) -11.349 -10.618 -10.036
{\rm stellar\ age} 6.863 8.173 11.721

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.313 -0.808 -0.396
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.340 -0.483 0.057

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.430 0.926 1.307
\delta -0.551 -0.216 0.090
\tau_1/\tau_2 0.669 1.029 1.405
Q_{PAH} 0.665 2.233 4.820
U_{min} 2.803 8.193 15.347
{\rm log}_{10}(\gamma_e)\, -3.356 -2.056 -0.664

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.949 -0.920 -0.353
{\rm log}_{10}(\tau_{AGN})\, 0.990 1.435 1.900

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.292 -0.728 -0.241
0.03-0.10 Gyr -1.657 -0.589 0.066
0.10-0.33 Gyr -2.387 -0.797 -0.051
0.33-1.07 Gyr -3.135 -0.953 -0.181
1.07-3.51 Gyr -2.845 -0.749 -0.017
3.51-11.49 Gyr -0.806 0.074 0.303
11.49-12.76 Gyr -0.240 0.518 1.236

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.902 11.000 11.068
{\rm log}_{10}({\rm SFR}) -2.105 -1.331 -0.741
{\rm log}_{10}({\rm sSFR}) -13.109 -12.296 -11.693
{\rm stellar\ age} 7.538 10.850 12.110

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.431 -1.203 -0.977
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.502 -0.557 0.197

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.049 0.107 0.184
\delta -0.520 -0.150 0.128
\tau_1/\tau_2 0.414 0.907 1.453
Q_{PAH} 1.471 3.712 5.710
U_{min} 3.219 9.937 18.454
{\rm log}_{10}(\gamma_e)\, -2.978 -1.382 -0.385

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.056 -2.857 -2.008
{\rm log}_{10}(\tau_{AGN})\, 1.078 1.557 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.935 -1.370 -0.792
0.03-0.10 Gyr -4.148 -1.773 -0.685
0.10-0.33 Gyr -4.561 -2.022 -0.659
0.33-1.07 Gyr -4.858 -2.251 -0.583
1.07-3.51 Gyr -3.681 -1.753 0.008
3.51-11.49 Gyr -1.513 0.737 1.229
11.49-12.76 Gyr 0.388 2.033 2.217