2025gcg

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Information

Transient

Name: AT2025gcg
Right ascension: 11h46m37.53s
Declination: -0d53m28.16s
Discovery Date: March 18, 2025, 3:10 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.018

Host

Name: 2025gcg
Right ascension: 11h46m37.56s
Declination: -0d53m28.10s
Redshift: 0.117441
Photometric Redshift: 0.181
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.57
Cutout download processed 6.06
Global aperture construction processed 0.65
Local aperture photometry processed 6.79
Global aperture photometry processed 6.98
Validate local photometry processed 0.03
Validate global photometry processed 19.8
Host information processed 0.09
Global host SED inference processed 428.94
Local host SED inference not enough filters 18.5
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.05
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) = 11h46m37.53s, -0d53m28.16s
semi major axis, semi minor axis (arcsec) = 0.94, 0.94
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 14.83 0.67 20.972 0.049 AB

Aperture details

RA, DEC (J2000) = 11h46m37.55s, -0d53m27.93s
semi major axis, semi minor axis (arcsec) = 3.12, 2.45
angle (degrees, anti-clockwise from east) = -100.65

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.65 0.72 21.691 0.103 AB
GALEX_NUV 11.23 0.5 21.274 0.048 AB
SDSS_u 18.73 2.0 20.719 0.116 AB
SDSS_g 34.2 1.68 20.065 0.053 AB
DES_g 34.31 0.36 20.062 0.011 AB
PanSTARRS_g 31.04 0.78 20.170 0.027 AB
SDSS_r 47.12 2.1 19.717 0.048 AB
PanSTARRS_r 45.44 0.86 19.756 0.021 AB
DES_r 42.51 0.56 19.829 0.014 AB
SDSS_i 56.66 2.51 19.517 0.048 AB
PanSTARRS_i 47.19 0.98 19.715 0.023 AB
PanSTARRS_z 55.09 1.45 19.547 0.029 AB
SDSS_z 53.18 6.21 19.586 0.127 AB
DES_z 53.33 1.38 19.583 0.028 AB
PanSTARRS_y 55.03 4.89 19.548 0.096 AB
2MASS_J -90.24 84.4 Vega
2MASS_H -37.56 116.82 Vega
2MASS_K 357.55 174.74 15.679 0.531 Vega
WISE_W1 26.31 7.34 17.651 0.303 Vega
WISE_W2 2.34 10.99 19.638 5.100 Vega
WISE_W3 -59.0 57.72 Vega
WISE_W4 126.21 409.66 12.027 3.524 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})\, 8.821 9.134 9.333
{\rm log}_{10}({\rm SFR}) -0.420 0.144 0.621
{\rm log}_{10}({\rm sSFR}) -9.618 -8.950 -8.215
{\rm stellar\ age} 0.538 4.047 6.345

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.678 -1.067 -0.214
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.309 -0.658 -0.127

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.121 0.350 0.800
\delta -0.414 -0.013 0.234
\tau_1/\tau_2 0.502 0.972 1.436
Q_{PAH} 0.946 2.833 4.926
U_{min} 3.385 10.051 17.455
{\rm log}_{10}(\gamma_e)\, -2.813 -1.685 -0.584

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.475 -1.120 -0.435
{\rm log}_{10}(\tau_{AGN})\, 1.185 1.521 1.859

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.304 -1.081 -0.521
0.03-0.10 Gyr -0.311 0.291 0.779
0.10-0.32 Gyr -1.487 -0.042 0.438
0.32-1.05 Gyr -2.982 -0.909 -0.293
1.05-3.40 Gyr -3.610 -1.125 -0.576
3.40-11.02 Gyr -3.649 -1.200 -0.659
11.02-12.24 Gyr -4.013 -1.148 -0.328