2025ggz

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Information

Transient

Name: AT2025ggz
Right ascension: 21h46m40.88s
Declination: 8d01m38.51s
Discovery Date: March 24, 2025, 12:43 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.078

Host

Name: 2025ggz
Right ascension: 21h46m41.07s
Declination: 8d01m40.33s
Redshift: None
Photometric Redshift: 0.162
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.4
Cutout download processed 21.63
Global aperture construction processed 0.77
Local aperture photometry processed 7.91
Global aperture photometry processed 8.22
Validate local photometry no valid phot 0.03
Validate global photometry processed 21.04
Host information processed 0.09
Global host SED inference processed 411.13
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.15
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) = 21h46m40.88s, 8d01m38.51s
semi major axis, semi minor axis (arcsec) = 0.72, 0.72
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) = 21h46m41.07s, 8d01m40.41s
semi major axis, semi minor axis (arcsec) = 5.37, 3.26
angle (degrees, anti-clockwise from east) = -15.36

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.13 1.93 21.767 0.294 AB
GALEX_NUV 9.76 1.63 21.426 0.181 AB
SDSS_u 26.39 3.87 20.346 0.159 AB
SDSS_g 64.4 2.34 19.378 0.039 AB
DES_g 59.85 0.6 19.457 0.011 AB
PanSTARRS_g 62.93 0.99 19.403 0.017 AB
SDSS_r 108.03 3.24 18.816 0.033 AB
PanSTARRS_r 107.78 1.15 18.819 0.012 AB
DES_r 111.3 1.02 18.784 0.010 AB
SDSS_i 150.53 4.12 18.456 0.030 AB
PanSTARRS_i 150.21 1.07 18.458 0.008 AB
PanSTARRS_z 171.33 2.76 18.315 0.017 AB
SDSS_z 140.28 15.0 18.532 0.116 AB
DES_z 181.77 2.46 18.251 0.015 AB
PanSTARRS_y 200.43 9.02 18.145 0.049 AB
2MASS_J 283.71 98.16 16.873 0.376 Vega
2MASS_H 341.23 144.48 16.200 0.460 Vega
2MASS_K 388.09 199.89 15.590 0.559 Vega
WISE_W1 109.95 11.09 16.098 0.110 Vega
WISE_W2 68.76 14.01 15.968 0.221 Vega
WISE_W3 223.69 67.72 12.852 0.329 Vega
WISE_W4 637.37 542.58 10.269 0.924 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})\, 10.110 10.167 10.229
{\rm log}_{10}({\rm SFR}) 0.176 0.429 0.691
{\rm log}_{10}({\rm sSFR}) -9.973 -9.735 -9.471
{\rm stellar\ age} 5.003 5.915 6.770

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.963 -0.586 -0.331
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.557 0.242 0.397

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.141 0.220 0.376
\delta -0.764 -0.394 -0.046
\tau_1/\tau_2 0.687 1.004 1.335
Q_{PAH} 0.477 1.406 2.818
U_{min} 2.578 7.664 14.478
{\rm log}_{10}(\gamma_e)\, -2.986 -2.145 -1.281

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.370 -3.231 -2.076
{\rm log}_{10}(\tau_{AGN})\, 0.965 1.425 1.868

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.013 0.171 0.352
0.03-0.10 Gyr 0.200 0.510 0.803
0.10-0.32 Gyr 0.209 0.472 0.707
0.32-1.03 Gyr -0.056 0.279 0.496
1.03-3.29 Gyr 0.001 0.256 0.449
3.29-10.55 Gyr 0.111 0.299 0.419
10.55-11.73 Gyr -0.130 0.315 0.708