2025abyu

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Information

Transient

Name: AT2025abyu
Right ascension: 18h26m22.22s
Declination: 44d39m16.06s
Discovery Date: Oct. 30, 2025, 2:55 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name:
Right ascension: 18h26m22.43s
Declination: 44d39m17.41s
Redshift: None
Photometric Redshift: 0.073
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 2.06
Transient MWEBV processed 0.1
Host match processed 5.42
Host information processed 0.12
Host MWEBV processed 0.06
Global aperture construction processed 0.73
Global aperture photometry processed 3.92
Validate global photometry processed 10.05
Global host SED inference processed 513.24
Local aperture photometry processed 3.79
Validate local photometry processed 0.02
Local host SED inference processed 435.72
 

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) = 18h26m22.22s, 44d39m16.06s
semi major axis, semi minor axis (arcsec) = 1.44, 1.44
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 32.42 0.36 20.123 0.012 AB
PanSTARRS_r 69.21 0.39 19.300 0.006 AB
PanSTARRS_i 102.48 0.42 18.873 0.004 AB
PanSTARRS_z 126.82 1.0 18.642 0.009 AB
PanSTARRS_y 161.32 2.51 18.381 0.017 AB

Aperture details

RA, DEC (J2000) = 18h26m22.44s, 44d39m17.60s
semi major axis, semi minor axis (arcsec) = 8.76, 7.31
angle (degrees, anti-clockwise from east) = -35.12

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 545.01 1.99 17.059 0.004 AB
PanSTARRS_r 1212.1 2.09 16.191 0.002 AB
PanSTARRS_i 1822.29 2.29 15.748 0.001 AB
PanSTARRS_z 2320.98 5.47 15.486 0.003 AB
PanSTARRS_y 2903.35 13.78 15.243 0.005 AB
2MASS_J 3603.66 216.22 14.113 0.065 Vega
2MASS_H 4298.19 300.13 13.449 0.076 Vega
2MASS_K 3860.6 376.82 13.096 0.106 Vega
WISE_W1 1575.11 25.6 13.208 0.018 Vega
WISE_W2 899.05 26.38 13.177 0.032 Vega
WISE_W3 129.34 72.76 13.447 0.611 Vega
WISE_W4 153.92 334.82 11.812 2.362 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})\, 9.592 9.679 9.784
{\rm log}_{10}({\rm SFR}) -1.586 -1.008 -0.364
{\rm log}_{10}({\rm sSFR}) -11.267 -10.702 -10.043
{\rm stellar\ age} 6.898 7.984 11.276

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.144 -0.510 -0.099
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.179 0.016 0.337

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.297 0.700 1.179
\delta -0.485 -0.098 0.188
\tau_1/\tau_2 0.671 1.042 1.420
Q_{PAH} 0.745 2.209 4.451
U_{min} 3.056 8.373 14.953
{\rm log}_{10}(\gamma_e)\, -3.208 -1.919 -0.676

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.717 -0.797 -0.168
{\rm log}_{10}(\tau_{AGN})\, 1.075 1.524 1.967

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.727 -1.041 -0.463
0.03-0.10 Gyr -1.828 -1.039 -0.328
0.10-0.33 Gyr -2.145 -1.187 -0.511
0.33-1.07 Gyr -2.620 -1.271 -0.612
1.07-3.51 Gyr -2.503 -0.917 -0.338
3.51-11.51 Gyr -0.833 -0.220 -0.061
11.51-12.79 Gyr -0.548 0.092 0.828

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.760 10.883 11.006
{\rm log}_{10}({\rm SFR}) -5.413 -1.669 -0.027
{\rm log}_{10}({\rm sSFR}) -16.525 -12.483 -10.819
{\rm stellar\ age} 6.819 8.327 12.117

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.559 -1.128 -0.830
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.253 -0.372 0.246

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.417 0.590 0.830
\delta -0.905 -0.719 -0.521
\tau_1/\tau_2 0.441 0.905 1.393
Q_{PAH} 0.301 1.056 3.010
U_{min} 3.614 10.291 18.440
{\rm log}_{10}(\gamma_e)\, -2.709 -1.445 -0.577

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.552 -3.754 -2.778
{\rm log}_{10}(\tau_{AGN})\, 1.085 1.624 1.969

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.441 -2.337 -0.329
0.03-0.10 Gyr -6.135 -2.081 0.052
0.10-0.33 Gyr -5.887 -2.142 0.284
0.33-1.07 Gyr -5.118 -1.926 0.240
1.07-3.51 Gyr -3.417 -0.967 0.776
3.51-11.51 Gyr -1.538 0.751 1.164
11.51-12.79 Gyr -0.884 1.389 2.148