2025gcz

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Information

Transient

Name: AT2025gcz
Right ascension: 11h47m06.73s
Declination: 29d50m24.57s
Discovery Date: March 27, 2025, 9:16 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.018

Host

Name: 2025gcz
Right ascension: 11h47m05.83s
Declination: 29d50m12.11s
Redshift: None
Photometric Redshift: 0.129
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.77
Cutout download processed 19.71
Global aperture construction processed 0.63
Local aperture photometry processed 7.21
Global aperture photometry processed 7.26
Validate local photometry no valid phot 0.03
Validate global photometry processed 19.0
Host information processed 0.1
Global host SED inference processed 391.93
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.06
Log transient processing status blocked 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) = 11h47m06.73s, 29d50m24.57s
semi major axis, semi minor axis (arcsec) = 0.87, 0.87
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Aperture details

RA, DEC (J2000) = 11h47m05.82s, 29d50m12.09s
semi major axis, semi minor axis (arcsec) = 6.11, 5.65
angle (degrees, anti-clockwise from east) = -8.46

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 17.05 4.07 20.821 0.259 AB
GALEX_NUV 23.53 3.07 20.471 0.142 AB
SDSS_u 69.02 4.53 19.303 0.071 AB
SDSS_g 124.26 3.22 18.664 0.028 AB
DES_g 123.35 0.62 18.672 0.005 AB
PanSTARRS_g 125.96 1.48 18.649 0.013 AB
SDSS_r 173.61 4.37 18.301 0.027 AB
PanSTARRS_r 178.77 2.31 18.269 0.014 AB
DES_r 171.66 2.56 18.313 0.016 AB
SDSS_i 219.84 6.58 18.045 0.032 AB
PanSTARRS_i 216.2 1.96 18.063 0.010 AB
PanSTARRS_z 238.8 3.7 17.955 0.017 AB
SDSS_z 166.68 24.91 18.345 0.162 AB
DES_z 240.52 2.7 17.947 0.012 AB
PanSTARRS_y 259.83 7.91 17.863 0.033 AB
2MASS_J 294.56 147.28 16.832 0.543 Vega
2MASS_H -131.75 232.34 Vega
2MASS_K 63.29 221.97 17.559 3.808 Vega
WISE_W1 110.71 9.71 16.091 0.095 Vega
WISE_W2 74.91 12.18 15.875 0.177 Vega
WISE_W3 50.62 58.93 14.465 1.264 Vega
WISE_W4 -409.29 335.28 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.574 9.817 10.004
{\rm log}_{10}({\rm SFR}) 0.470 0.809 1.078
{\rm log}_{10}({\rm sSFR}) -9.427 -9.028 -8.583
{\rm stellar\ age} 2.787 4.923 6.502

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.187 -0.658 -0.345
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.690 -1.024 0.009

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.171 0.260 0.386
\delta -0.860 -0.618 -0.357
\tau_1/\tau_2 0.633 1.078 1.494
Q_{PAH} 0.267 0.949 2.547
U_{min} 2.444 7.547 14.380
{\rm log}_{10}(\gamma_e)\, -3.057 -2.218 -0.995

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.438 -3.534 -2.464
{\rm log}_{10}(\tau_{AGN})\, 1.053 1.526 1.898

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.244 -0.004 0.185
0.03-0.10 Gyr 0.592 0.952 1.228
0.10-0.32 Gyr -0.252 0.579 0.918
0.32-1.04 Gyr -1.139 -0.133 0.304
1.04-3.37 Gyr -0.927 -0.206 0.145
3.37-10.89 Gyr -0.906 -0.254 0.099
10.89-12.10 Gyr -1.024 -0.200 0.354