2025zzu

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Information

Transient

Name: AT2025zzu
Right ascension: 3h09m50.35s
Declination: -11d58m24.05s
Discovery Date: Sept. 8, 2025, 1:50 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.050

Host

Name: 11823
Right ascension: 3h09m50.70s
Declination: -11d58m27.17s
Redshift: 0.030087
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 7.26
Transient MWEBV processed 0.08
Host match processed 4.35
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 6.05
Validate global photometry processed 14.81
Global host SED inference processed 406.85
Local aperture photometry processed 5.81
Validate local photometry processed 0.02
Local host SED inference processed 480.96
 

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) = 3h09m50.35s, -11d58m24.05s
semi major axis, semi minor axis (arcsec) = 3.32, 3.32
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 292.63 0.62 17.734 0.002 AB
PanSTARRS_g 301.78 0.88 17.701 0.003 AB
PanSTARRS_r 494.34 1.02 17.165 0.002 AB
DES_r 543.76 0.99 17.061 0.002 AB
PanSTARRS_i 688.74 1.12 16.805 0.002 AB
PanSTARRS_z 872.82 2.88 16.548 0.004 AB
DES_z 880.99 4.08 16.538 0.005 AB
PanSTARRS_y 1043.13 7.01 16.354 0.007 AB
2MASS_J 1204.96 74.23 15.303 0.067 Vega
2MASS_H 1584.02 107.32 14.533 0.074 Vega
2MASS_K 1482.01 139.83 14.135 0.102 Vega

Aperture details

RA, DEC (J2000) = 3h09m50.71s, -11d58m27.22s
semi major axis, semi minor axis (arcsec) = 40.93, 13.66
angle (degrees, anti-clockwise from east) = -38.7

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 298.39 4.5 17.713 0.016 AB
DES_g 3009.48 2.4 15.204 0.001 AB
PanSTARRS_g 4242.08 5.76 14.831 0.001 AB
PanSTARRS_r 6644.85 6.74 14.344 0.001 AB
DES_r 5534.17 3.5 14.542 0.001 AB
PanSTARRS_i 9025.79 7.48 14.011 0.001 AB
DES_z 8861.79 13.85 14.031 0.002 AB
PanSTARRS_y 12094.76 48.67 13.694 0.004 AB
2MASS_J 15220.56 528.71 12.549 0.038 Vega
2MASS_H 19224.36 766.45 11.823 0.043 Vega
2MASS_K 16303.95 1001.88 11.531 0.067 Vega
WISE_W1 9205.22 54.43 11.291 0.006 Vega
WISE_W2 5843.82 63.32 11.144 0.012 Vega
WISE_W3 24235.17 228.32 7.765 0.010 Vega
WISE_W4 29650.42 1428.78 6.100 0.052 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})\, 9.357 9.537 9.655
{\rm log}_{10}({\rm SFR}) -1.598 -0.830 -0.252
{\rm log}_{10}({\rm sSFR}) -11.149 -10.413 -9.747
{\rm stellar\ age} 4.079 7.045 8.997

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.325 -0.694 -0.322
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.662 -0.874 -0.186

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.232 0.708 1.124
\delta -0.437 -0.067 0.239
\tau_1/\tau_2 0.649 0.999 1.338
Q_{PAH} 0.586 2.162 4.372
U_{min} 2.849 8.224 15.869
{\rm log}_{10}(\gamma_e)\, -3.341 -1.750 -0.706

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.971 -1.491 -0.443
{\rm log}_{10}(\tau_{AGN})\, 0.913 1.384 1.995

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.788 -1.073 -0.636
0.03-0.10 Gyr -1.778 -0.810 -0.144
0.10-0.33 Gyr -1.438 -0.653 -0.027
0.33-1.10 Gyr -1.439 -0.652 -0.134
1.10-3.63 Gyr -1.423 -0.555 -0.194
3.63-12.02 Gyr -1.314 -0.441 -0.221
12.02-13.35 Gyr -1.346 -0.365 0.291

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.486 10.653 10.757
{\rm log}_{10}({\rm SFR}) 0.365 0.673 0.918
{\rm log}_{10}({\rm sSFR}) -10.239 -9.964 -9.721
{\rm stellar\ age} 5.900 7.534 9.174

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.119 -0.719 -0.360
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.269 -0.164 0.071

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.549 0.727 0.904
\delta 0.156 0.267 0.350
\tau_1/\tau_2 0.333 0.669 1.033
Q_{PAH} 0.745 1.210 1.996
U_{min} 2.011 5.679 12.093
{\rm log}_{10}(\gamma_e)\, -3.650 -2.861 -2.018

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.978 -2.169 -1.764
{\rm log}_{10}(\tau_{AGN})\, 0.963 1.356 1.772

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.065 0.417 0.615
0.03-0.10 Gyr 0.340 0.746 1.040
0.10-0.33 Gyr -0.097 0.478 0.811
0.33-1.10 Gyr -0.338 0.314 0.648
1.10-3.63 Gyr -0.091 0.519 0.825
3.63-12.02 Gyr 0.323 0.710 0.920
12.02-13.35 Gyr 0.100 0.808 1.433