2025abyb

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Information

Transient

Name: AT2025abyb
Right ascension: 5h39m58.08s
Declination: -21d01m26.73s
Discovery Date: Oct. 19, 2025, 10:48 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.033

Host

Name: 147710
Right ascension: 5h39m57.85s
Declination: -21d01m32.51s
Redshift: 0.094323
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.14
Transient MWEBV processed 0.08
Host match processed 4.06
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 5.85
Validate global photometry processed 16.13
Global host SED inference processed 445.18
Local aperture photometry processed 5.7
Validate local photometry processed 0.02
Local host SED inference processed 446.8
 

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) = 5h39m58.08s, -21d01m26.73s
semi major axis, semi minor axis (arcsec) = 1.14, 1.14
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 10.83 0.15 21.313 0.015 AB
PanSTARRS_i 13.43 0.39 21.080 0.031 AB
PanSTARRS_z 19.49 0.88 20.676 0.049 AB
DES_z 20.71 0.53 20.609 0.028 AB
PanSTARRS_y 23.26 2.3 20.483 0.107 AB

Aperture details

RA, DEC (J2000) = 5h39m57.81s, -21d01m32.62s
semi major axis, semi minor axis (arcsec) = 13.14, 9.86
angle (degrees, anti-clockwise from east) = -81.85

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 877.71 3.53 16.542 0.004 AB
PanSTARRS_r 1926.75 3.98 15.688 0.002 AB
PanSTARRS_i 2864.71 3.9 15.257 0.001 AB
DES_z 4247.37 7.14 14.830 0.002 AB
PanSTARRS_y 4398.21 22.88 14.792 0.006 AB
2MASS_J 5610.75 329.81 13.633 0.064 Vega
2MASS_H 6945.44 533.55 12.928 0.083 Vega
2MASS_K 6780.64 592.9 12.484 0.095 Vega
WISE_W1 3140.87 54.46 12.458 0.019 Vega
WISE_W2 1855.52 56.81 12.390 0.033 Vega
WISE_W3 388.51 111.37 12.253 0.311 Vega
WISE_W4 923.87 513.34 9.866 0.603 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})\, 8.744 8.962 9.105
{\rm log}_{10}({\rm SFR}) -1.941 -1.084 -0.301
{\rm log}_{10}({\rm sSFR}) -10.859 -10.073 -9.270
{\rm stellar\ age} 1.223 6.011 7.781

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.288 -0.533 -0.020
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.446 -0.738 0.049

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.628 1.196 1.815
\delta -0.181 0.102 0.284
\tau_1/\tau_2 0.653 1.055 1.448
Q_{PAH} 1.225 3.189 5.517
U_{min} 3.185 8.685 16.148
{\rm log}_{10}(\gamma_e)\, -3.061 -2.023 -0.864

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.605 -0.482 0.225
{\rm log}_{10}(\tau_{AGN})\, 1.067 1.414 1.911

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.037 -1.592 -0.944
0.03-0.10 Gyr -2.028 -1.033 -0.180
0.10-0.33 Gyr -1.939 -1.003 -0.220
0.33-1.06 Gyr -2.669 -1.131 -0.548
1.06-3.46 Gyr -3.206 -1.101 -0.745
3.46-11.27 Gyr -3.291 -1.054 -0.767
11.27-12.52 Gyr -3.218 -1.062 -0.403

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.236 11.321 11.429
{\rm log}_{10}({\rm SFR}) -3.490 -0.920 0.106
{\rm log}_{10}({\rm sSFR}) -15.016 -12.328 -11.147
{\rm stellar\ age} 7.204 8.484 11.853

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.754 -0.540 -0.387
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.561 -0.798 0.067

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.238 0.374 0.526
\delta -0.837 -0.560 -0.264
\tau_1/\tau_2 0.565 0.973 1.393
Q_{PAH} 0.282 0.777 1.543
U_{min} 3.416 9.346 17.128
{\rm log}_{10}(\gamma_e)\, -2.975 -1.888 -1.268

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.444 -3.591 -2.617
{\rm log}_{10}(\tau_{AGN})\, 1.023 1.516 1.914

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.701 -1.560 -0.234
0.03-0.10 Gyr -3.868 -0.975 0.177
0.10-0.33 Gyr -4.438 -1.036 0.305
0.33-1.06 Gyr -4.304 -0.978 0.406
1.06-3.46 Gyr -2.713 -0.280 1.170
3.46-11.27 Gyr -0.619 1.354 1.596
11.27-12.52 Gyr 0.883 1.911 2.577