2026bjc

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Information

Transient

Name: AT2026bjc
Right ascension: 17h19m42.63s
Declination: 68d51m36.94s
Discovery Date: Jan. 20, 2026, 12:14 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.027

Host

Name:
Right ascension: 17h19m44.01s
Declination: 68d51m44.49s
Redshift: None
Photometric Redshift: 0.046
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.4
Transient MWEBV processed 0.04
Host match processed 5.86
Host information processed 0.06
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 5.2
Validate global photometry processed 16.35
Global host SED inference processed 412.62
Local aperture photometry processed 4.94
Validate local photometry processed 0.02
Local host SED inference processed 439.24
 

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) = 17h19m42.63s, 68d51m36.94s
semi major axis, semi minor axis (arcsec) = 2.23, 2.23
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 6.02 2.35 21.952 0.424 AB
SDSS_g 8.15 1.08 21.621 0.143 AB
PanSTARRS_g 8.45 0.81 21.583 0.104 AB
SDSS_r 9.81 1.42 21.420 0.158 AB
PanSTARRS_r 10.76 0.85 21.321 0.085 AB
SDSS_i 13.02 1.98 21.113 0.165 AB
PanSTARRS_i 14.48 0.83 20.998 0.062 AB
PanSTARRS_z 13.35 2.2 21.087 0.179 AB
SDSS_z 3.38 7.23 22.578 2.322 AB
PanSTARRS_y 12.28 4.73 21.177 0.418 AB

Aperture details

RA, DEC (J2000) = 17h19m43.94s, 68d51m44.77s
semi major axis, semi minor axis (arcsec) = 17.05, 12.92
angle (degrees, anti-clockwise from east) = -16.22

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 200.35 9.65 18.146 0.052 AB
GALEX_NUV 275.83 6.78 17.798 0.027 AB
SDSS_g 1462.1 11.18 15.988 0.008 AB
PanSTARRS_g 1513.41 5.37 15.950 0.004 AB
PanSTARRS_r 2106.14 5.69 15.591 0.003 AB
PanSTARRS_i 2587.2 5.7 15.368 0.002 AB
PanSTARRS_z 2791.7 14.19 15.285 0.006 AB
SDSS_z 2625.07 49.63 15.352 0.021 AB
2MASS_J 3021.81 345.13 14.304 0.124 Vega
2MASS_H 2799.16 507.97 13.915 0.197 Vega
2MASS_K 3223.14 650.26 13.292 0.219 Vega
WISE_W1 1946.08 26.36 12.978 0.015 Vega
WISE_W2 1262.78 26.99 12.808 0.023 Vega
WISE_W3 7016.78 67.55 9.111 0.010 Vega
WISE_W4 7319.87 363.76 7.619 0.054 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})\, 7.570 7.926 8.220
{\rm log}_{10}({\rm SFR}) -2.059 -1.307 -0.769
{\rm log}_{10}({\rm sSFR}) -10.158 -9.284 -8.424
{\rm stellar\ age} 0.592 5.150 7.421

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.644 -1.142 -0.331
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.488 -0.647 0.081

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.475 0.948 1.481
\delta -0.315 0.038 0.285
\tau_1/\tau_2 0.611 1.017 1.402
Q_{PAH} 0.605 1.952 4.444
U_{min} 2.950 8.315 15.958
{\rm log}_{10}(\gamma_e)\, -2.923 -1.890 -0.797

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.740 -0.746 0.066
{\rm log}_{10}(\tau_{AGN})\, 1.089 1.557 1.931

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.313 -1.440 -0.888
0.03-0.10 Gyr -2.428 -1.416 -0.691
0.10-0.33 Gyr -2.923 -1.817 -1.155
0.33-1.09 Gyr -3.542 -2.068 -1.482
1.09-3.59 Gyr -4.327 -2.204 -1.688
3.59-11.83 Gyr -4.720 -2.252 -1.699
11.83-13.14 Gyr -4.612 -2.311 -1.537

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.960 10.136 10.280
{\rm log}_{10}({\rm SFR}) -0.238 0.441 0.922
{\rm log}_{10}({\rm sSFR}) -10.442 -9.689 -9.196
{\rm stellar\ age} 2.257 5.515 7.272

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.466 -0.881 -0.465
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.790 -0.890 0.171

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.241 0.389 0.550
\delta -0.385 0.027 0.255
\tau_1/\tau_2 0.694 1.085 1.443
Q_{PAH} 1.212 2.376 3.982
U_{min} 3.048 8.155 15.483
{\rm log}_{10}(\gamma_e)\, -3.299 -2.502 -1.858

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.841 -2.044 -1.740
{\rm log}_{10}(\tau_{AGN})\, 0.852 1.193 1.679

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.393 -0.382 0.385
0.03-0.10 Gyr -0.198 0.541 1.068
0.10-0.33 Gyr -0.098 0.631 1.035
0.33-1.09 Gyr -0.521 0.332 0.713
1.09-3.59 Gyr -0.551 0.240 0.589
3.59-11.83 Gyr -1.474 0.030 0.360
11.83-13.14 Gyr -1.639 -0.001 0.629