2025zzb

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Information

Transient

Name: AT2025zzb
Right ascension: 3h10m12.63s
Declination: -12d11m33.15s
Discovery Date: Sept. 8, 2025, 1:32 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.056

Host

Name:
Right ascension: 3h10m12.59s
Declination: -12d11m33.71s
Redshift: None
Photometric Redshift: 0.077
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.27
Transient MWEBV processed 0.04
Host match processed 6.12
Host information processed 0.13
Host MWEBV processed 0.05
Global aperture construction processed 0.65
Global aperture photometry processed 5.41
Validate global photometry processed 14.01
Global host SED inference processed 379.47
Local aperture photometry processed 5.31
Validate local photometry processed 0.02
Local host SED inference processed 458.62
 

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) = 3h10m12.63s, -12d11m33.15s
semi major axis, semi minor axis (arcsec) = 1.37, 1.37
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 56.91 0.24 19.512 0.004 AB
PanSTARRS_g 51.06 0.35 19.630 0.008 AB
PanSTARRS_r 75.12 0.37 19.211 0.005 AB
DES_r 95.09 0.33 18.955 0.004 AB
PanSTARRS_i 106.08 0.46 18.836 0.005 AB
PanSTARRS_z 123.5 0.96 18.671 0.008 AB
DES_z 137.22 1.39 18.556 0.011 AB
PanSTARRS_y 133.1 2.06 18.590 0.017 AB

Aperture details

RA, DEC (J2000) = 3h10m12.58s, -12d11m33.50s
semi major axis, semi minor axis (arcsec) = 7.34, 6.62
angle (degrees, anti-clockwise from east) = -91.74

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 30.96 1.35 20.173 0.047 AB
GALEX_NUV 41.92 0.94 19.844 0.024 AB
DES_g 253.43 0.57 17.890 0.002 AB
PanSTARRS_g 256.81 1.66 17.876 0.007 AB
PanSTARRS_r 346.38 1.71 17.551 0.005 AB
DES_r 385.53 0.77 17.435 0.002 AB
PanSTARRS_i 459.01 2.18 17.245 0.005 AB
PanSTARRS_z 510.26 4.69 17.131 0.010 AB
DES_z 525.61 2.98 17.098 0.006 AB
PanSTARRS_y 572.22 10.3 17.006 0.020 AB
2MASS_J 725.77 151.65 15.853 0.227 Vega
2MASS_H 1001.84 247.37 15.030 0.268 Vega
2MASS_K 890.46 303.93 14.688 0.371 Vega
WISE_W1 338.16 11.93 14.878 0.038 Vega
WISE_W2 201.58 14.58 14.800 0.079 Vega
WISE_W3 836.3 64.83 11.420 0.084 Vega
WISE_W4 1064.74 384.82 9.712 0.392 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})\, 9.180 9.332 9.435
{\rm log}_{10}({\rm SFR}) -1.092 -0.515 -0.014
{\rm log}_{10}({\rm sSFR}) -10.498 -9.878 -9.297
{\rm stellar\ age} 3.134 5.498 6.967

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.124 -0.568 -0.099
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.715 -1.177 -0.114

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.121 0.367 0.785
\delta -0.776 -0.380 -0.038
\tau_1/\tau_2 0.704 1.034 1.382
Q_{PAH} 1.178 3.042 5.329
U_{min} 3.075 8.372 14.710
{\rm log}_{10}(\gamma_e)\, -3.039 -1.883 -0.695

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.950 -1.061 -0.404
{\rm log}_{10}(\tau_{AGN})\, 1.016 1.508 2.006

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.128 -0.749 -0.366
0.03-0.10 Gyr -1.172 -0.466 0.093
0.10-0.33 Gyr -1.048 -0.381 0.138
0.33-1.07 Gyr -0.941 -0.412 -0.096
1.07-3.50 Gyr -0.993 -0.543 -0.316
3.50-11.47 Gyr -1.303 -0.692 -0.458
11.47-12.74 Gyr -1.516 -0.724 -0.246

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.801 9.869 9.936
{\rm log}_{10}({\rm SFR}) -0.101 0.177 0.426
{\rm log}_{10}({\rm sSFR}) -9.984 -9.692 -9.436
{\rm stellar\ age} 4.578 5.741 6.734

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.800 -0.533 -0.323
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.684 -0.722 0.169

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.106 0.210 0.377
\delta -0.486 -0.085 0.185
\tau_1/\tau_2 0.750 1.076 1.388
Q_{PAH} 0.879 2.097 3.857
U_{min} 2.335 7.235 13.705
{\rm log}_{10}(\gamma_e)\, -2.895 -1.852 -1.050

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.123 -2.874 -1.949
{\rm log}_{10}(\tau_{AGN})\, 1.002 1.432 1.872

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.571 -0.300 -0.133
0.03-0.10 Gyr -0.036 0.294 0.568
0.10-0.33 Gyr 0.275 0.482 0.701
0.33-1.07 Gyr -0.096 0.182 0.380
1.07-3.50 Gyr -0.281 -0.033 0.157
3.50-11.47 Gyr -0.337 -0.117 0.030
11.47-12.74 Gyr -0.548 -0.055 0.316