2025gd

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Information

Transient

Name: AT2025gd
Right ascension: 13h53m58.26s
Declination: 21d46m56.02s
Discovery Date: Jan. 3, 2025, 3:15 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.023

Host

Name: 2025gd
Right ascension: 13h53m58.42s
Declination: 21d46m52.56s
Redshift: 0.163365
Photometric Redshift: 0.041
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 3.31
Cutout download processed 21.9
Global aperture construction processed 0.83
Local aperture photometry processed 8.0
Global aperture photometry processed 7.97
Validate local photometry no valid phot 0.03
Validate global photometry processed 20.43
Host information processed 0.19
Global host SED inference processed 732.23
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.08
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) = 13h53m58.26s, 21d46m56.02s
semi major axis, semi minor axis (arcsec) = 0.71, 0.71
angle (degrees, anti-clockwise from east) = 0.0

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

Aperture details

RA, DEC (J2000) = 13h53m58.14s, 21d46m50.78s
semi major axis, semi minor axis (arcsec) = 3.63, 3.23
angle (degrees, anti-clockwise from east) = -118.08

Warning: possible contaminating objects in the global aperture
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
SDSS_u 20.89 3.06 20.600 0.159
SDSS_g 95.39 2.69 18.951 0.031
DES_g 87.02 0.37 19.051 0.005
SDSS_r 244.01 4.29 17.931 0.019
PanSTARRS_r 227.92 0.86 18.006 0.004
DES_r 221.0 1.14 18.039 0.006
SDSS_i 378.87 5.45 17.454 0.016
PanSTARRS_i 323.66 1.79 17.625 0.006
PanSTARRS_z 430.93 2.38 17.314 0.006
SDSS_z 558.96 10.39 17.032 0.020
DES_z 430.82 3.79 17.314 0.010
PanSTARRS_y 457.86 5.64 17.248 0.013
2MASS_J 2162.11 124.93 14.668 0.063
2MASS_H 2704.14 211.55 13.952 0.085
2MASS_K 2687.27 189.46 13.489 0.077
WISE_W1 1431.58 34.51 13.311 0.026
WISE_W2 1003.23 34.42 13.057 0.037
WISE_W3 499.46 74.54 11.980 0.162
WISE_W4 779.31 477.72 10.051 0.666
 

Imaging data

 

Spectral Energy Distribution

 
 
Warning: possible contaminating objects in the global aperture
 
 

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})\, 10.731 10.865 10.990
{\rm log}_{10}({\rm SFR}) 0.944 1.264 1.514
{\rm log}_{10}({\rm sSFR}) -10.006 -9.619 -9.275
{\rm stellar\ age} 1.768 2.939 5.125

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.219 -0.036 0.084
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.280 -0.997 -0.499

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.470 1.702 1.887
\delta 0.014 0.166 0.287
\tau_1/\tau_2 0.201 0.383 0.580
Q_{PAH} 0.109 0.355 0.738
U_{min} 2.843 7.651 14.415
{\rm log}_{10}(\gamma_e)\, -3.645 -3.076 -2.218

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.523 -2.770 -2.090
{\rm log}_{10}(\tau_{AGN})\, 0.933 1.193 1.580

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 1.345 1.618 1.815
0.03-0.10 Gyr -0.633 0.786 1.315
0.10-0.32 Gyr -0.049 1.104 1.530
0.32-1.03 Gyr 1.101 1.494 1.770
1.03-3.29 Gyr 0.834 1.280 1.546
3.29-10.54 Gyr -0.919 0.440 1.021
10.54-11.71 Gyr -1.626 0.195 1.058