2026buy

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Information

Transient

Name: AT2026buy
Right ascension: 4h53m23.84s
Declination: -23d48m17.91s
Discovery Date: Jan. 18, 2026, 6:33 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.036

Host

Name:
Right ascension: 4h53m23.75s
Declination: -23d48m18.28s
Redshift: None
Photometric Redshift: 0.074
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 7.51
Transient MWEBV processed 0.14
Host match processed 6.35
Host information processed 0.12
Host MWEBV processed 0.1
Global aperture construction processed 0.65
Global aperture photometry processed 5.07
Validate global photometry processed 15.01
Global host SED inference processed 405.37
Local aperture photometry processed 5.02
Validate local photometry processed 0.02
Local host SED inference processed 620.43
 

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) = 4h53m23.84s, -23d48m17.91s
semi major axis, semi minor axis (arcsec) = 1.42, 1.42
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 155.86 0.46 18.418 0.003 AB
PanSTARRS_g 127.27 0.39 18.638 0.003 AB
PanSTARRS_r 285.35 0.57 17.762 0.002 AB
DES_r 397.29 0.82 17.402 0.002 AB
PanSTARRS_i 436.93 0.6 17.299 0.001 AB
PanSTARRS_z 545.9 1.29 17.057 0.003 AB
DES_z 785.72 3.65 16.662 0.005 AB
PanSTARRS_y 680.62 2.27 16.818 0.004 AB

Aperture details

RA, DEC (J2000) = 4h53m23.72s, -23d48m18.09s
semi major axis, semi minor axis (arcsec) = 14.83, 9.97
angle (degrees, anti-clockwise from east) = -13.97

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 32.46 4.59 20.121 0.154 AB
GALEX_NUV 47.09 3.69 19.718 0.085 AB
DES_g 1263.43 1.48 16.146 0.001 AB
PanSTARRS_g 1294.55 2.73 16.120 0.002 AB
PanSTARRS_r 2607.72 3.96 15.359 0.002 AB
DES_r 2830.52 2.32 15.270 0.001 AB
PanSTARRS_i 3749.74 4.6 14.965 0.001 AB
PanSTARRS_z 4718.25 10.39 14.716 0.002 AB
DES_z 5156.57 9.79 14.619 0.002 AB
PanSTARRS_y 5922.26 19.04 14.469 0.003 AB
2MASS_J 6721.01 278.53 13.437 0.045 Vega
2MASS_H 9600.66 394.92 12.577 0.045 Vega
2MASS_K 7502.4 553.19 12.374 0.080 Vega
WISE_W1 3796.72 33.86 12.252 0.010 Vega
WISE_W2 2320.89 35.8 12.147 0.017 Vega
WISE_W3 3804.93 129.76 9.775 0.037 Vega
WISE_W4 1799.77 519.76 9.142 0.314 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})\, 10.015 10.164 10.268
{\rm log}_{10}({\rm SFR}) -0.324 0.141 0.593
{\rm log}_{10}({\rm sSFR}) -10.566 -9.999 -9.412
{\rm stellar\ age} 4.450 6.511 8.034

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.479 -0.102 0.074
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.264 0.087 0.315

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.514 0.735 1.141
\delta -0.903 -0.704 -0.413
\tau_1/\tau_2 0.648 0.970 1.316
Q_{PAH} 0.449 1.996 4.957
U_{min} 2.791 7.832 14.870
{\rm log}_{10}(\gamma_e)\, -3.309 -1.908 -0.782

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.304 -2.741 -0.703
{\rm log}_{10}(\tau_{AGN})\, 0.959 1.498 1.892

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.149 0.214 0.529
0.03-0.10 Gyr -0.595 0.079 0.626
0.10-0.33 Gyr -0.719 -0.053 0.482
0.33-1.07 Gyr -0.703 0.037 0.459
1.07-3.51 Gyr -0.441 0.209 0.471
3.51-11.50 Gyr -0.251 0.209 0.412
11.50-12.78 Gyr -0.443 0.218 0.817

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.143 11.176 11.259
{\rm log}_{10}({\rm SFR}) -0.255 0.000 0.247
{\rm log}_{10}({\rm sSFR}) -11.448 -11.182 -10.918
{\rm stellar\ age} 7.763 8.835 11.556

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.397 -0.291 -0.212
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.442 0.209 0.406

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.105 0.147 0.202
\delta -0.853 -0.604 -0.324
\tau_1/\tau_2 0.611 1.039 1.465
Q_{PAH} 1.467 2.920 4.515
U_{min} 2.261 7.334 14.449
{\rm log}_{10}(\gamma_e)\, -2.318 -1.345 -0.539

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.150 -3.050 -2.056
{\rm log}_{10}(\tau_{AGN})\, 1.155 1.645 1.977

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.328 0.018 0.225
0.03-0.10 Gyr -0.549 -0.044 0.331
0.10-0.33 Gyr -0.642 -0.011 0.347
0.33-1.07 Gyr -0.879 -0.149 0.277
1.07-3.51 Gyr -0.821 0.066 0.605
3.51-11.50 Gyr 0.533 1.317 1.429
11.50-12.78 Gyr 1.231 1.803 2.358