2025gzb

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Information

Transient

Name: AT2025gzb
Right ascension: 3h47m57.24s
Declination: 8d52m28.10s
Discovery Date: April 7, 2025, 3:10 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.201

Host

Name: 2025gzb
Right ascension: 3h47m57.53s
Declination: 8d52m24.79s
Redshift: None
Photometric Redshift: 0.040
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.46
Cutout download processed 14.13
Global aperture construction processed 3.6
Local aperture photometry processed 5.35
Global aperture photometry processed 5.34
Validate local photometry processed 0.02
Validate global photometry processed 15.17
Host information processed 0.11
Global host SED inference processed 766.24
Local host SED inference processed 473.16
Transient information processed 0.0
Transient MWEBV processed 0.11
Host MWEBV processed 0.08
Log transient processing status processed None
 

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) = 3h47m57.24s, 8d52m28.10s
semi major axis, semi minor axis (arcsec) = 2.51, 2.51
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 5.9 2.06 21.973 0.380 AB
SDSS_g 14.09 1.31 21.028 0.101 AB
PanSTARRS_g 18.38 0.58 20.739 0.034 AB
SDSS_r 29.94 1.84 20.209 0.067 AB
PanSTARRS_r 32.31 0.73 20.127 0.024 AB
SDSS_i 39.24 2.67 19.916 0.074 AB
PanSTARRS_i 39.93 0.82 19.897 0.022 AB
PanSTARRS_z 52.71 1.64 19.595 0.034 AB
SDSS_z 59.49 6.83 19.464 0.125 AB
PanSTARRS_y 56.28 4.38 19.524 0.085 AB

Aperture details

RA, DEC (J2000) = 3h47m57.54s, 8d52m25.09s
semi major axis, semi minor axis (arcsec) = 4.65, 2.7
angle (degrees, anti-clockwise from east) = -8.05

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 25.45 3.1 20.386 0.132 AB
SDSS_g 91.24 2.77 18.999 0.033 AB
PanSTARRS_g 98.65 0.86 18.915 0.009 AB
SDSS_r 176.72 3.83 18.282 0.024 AB
PanSTARRS_r 175.03 1.04 18.292 0.006 AB
SDSS_i 239.12 4.99 17.953 0.023 AB
PanSTARRS_i 233.99 1.16 17.977 0.005 AB
PanSTARRS_z 297.54 2.31 17.716 0.008 AB
SDSS_z 336.69 10.32 17.582 0.033 AB
PanSTARRS_y 338.68 6.02 17.576 0.019 AB
2MASS_J 677.81 99.28 15.927 0.159 Vega
2MASS_H 697.34 165.45 15.424 0.258 Vega
2MASS_K 691.73 154.28 14.962 0.242 Vega
WISE_W1 478.04 13.62 14.502 0.031 Vega
WISE_W2 332.33 18.46 14.257 0.060 Vega
WISE_W3 656.6 72.5 11.683 0.120 Vega
WISE_W4 1544.91 521.79 9.308 0.367 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.162 8.457 8.585
{\rm log}_{10}({\rm SFR}) -1.766 -1.185 -0.560
{\rm log}_{10}({\rm sSFR}) -10.293 -9.626 -8.830
{\rm stellar\ age} 2.078 5.851 7.375

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.988 -0.413 -0.045
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.824 -1.472 -0.528

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.164 0.517 0.855
\delta -0.676 -0.237 0.158
\tau_1/\tau_2 0.700 1.044 1.444
Q_{PAH} 0.973 3.114 5.469
U_{min} 3.194 8.336 15.972
{\rm log}_{10}(\gamma_e)\, -2.885 -1.761 -0.553

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.974 -0.999 -0.250
{\rm log}_{10}(\tau_{AGN})\, 1.031 1.498 1.967

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.906 -1.333 -0.979
0.03-0.10 Gyr -1.925 -1.189 -0.432
0.10-0.33 Gyr -2.069 -1.343 -0.785
0.33-1.09 Gyr -2.382 -1.438 -1.027
1.09-3.60 Gyr -2.547 -1.507 -1.234
3.60-11.89 Gyr -2.853 -1.561 -1.302
11.89-13.22 Gyr -2.938 -1.624 -1.091

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.155 9.265 9.413
{\rm log}_{10}({\rm SFR}) -1.212 -0.657 -0.296
{\rm log}_{10}({\rm sSFR}) -10.485 -9.960 -9.567
{\rm stellar\ age} 1.926 4.468 6.691

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.128 -0.520 -0.115
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.910 -1.669 -0.296

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.498 0.741 0.977
\delta 0.080 0.271 0.368
\tau_1/\tau_2 0.526 0.817 1.119
Q_{PAH} 0.825 1.792 3.615
U_{min} 3.366 8.052 14.932
{\rm log}_{10}(\gamma_e)\, -3.152 -2.124 -1.397

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.993 -1.607 -1.354
{\rm log}_{10}(\tau_{AGN})\, 0.774 0.904 1.133

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.415 -0.743 -0.394
0.03-0.10 Gyr -1.564 -0.674 -0.219
0.10-0.33 Gyr -0.932 -0.331 0.080
0.33-1.09 Gyr -0.710 -0.236 0.091
1.09-3.60 Gyr -0.916 -0.473 -0.230
3.60-11.89 Gyr -2.274 -0.944 -0.527
11.89-13.22 Gyr -2.566 -1.047 -0.386