2025ghm

Download data

Information

Transient

Name: AT2025ghm
Right ascension: 8h43m45.25s
Declination: -17d02m08.96s
Discovery Date: March 31, 2025, 2:17 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.070

Host

Name: 2025ghm
Right ascension: 8h43m45.02s
Declination: -17d02m09.01s
Redshift: None
Photometric Redshift: 0.195
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.25
Cutout download processed 4.52
Global aperture construction processed 1.08
Local aperture photometry processed 4.17
Global aperture photometry processed 4.63
Validate local photometry no valid phot 0.02
Validate global photometry processed 13.12
Host information processed 0.1
Global host SED inference processed 423.52
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.05
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) = 8h43m45.25s, -17d02m08.96s
semi major axis, semi minor axis (arcsec) = 0.62, 0.62
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) = 8h43m45.04s, -17d02m08.89s
semi major axis, semi minor axis (arcsec) = 6.39, 4.35
angle (degrees, anti-clockwise from east) = -88.11

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 13.65 3.62 21.062 0.288 AB
GALEX_NUV 9.57 2.78 21.447 0.316 AB
PanSTARRS_g 38.5 1.71 19.936 0.048 AB
PanSTARRS_r 46.27 1.96 19.737 0.046 AB
PanSTARRS_i 63.98 1.91 19.385 0.032 AB
PanSTARRS_z 55.82 4.8 19.533 0.093 AB
PanSTARRS_y 59.7 11.43 19.460 0.208 AB
2MASS_J 108.4 138.16 17.917 1.384 Vega
2MASS_H 375.81 231.96 16.095 0.670 Vega
2MASS_K -42.85 293.59 Vega
WISE_W1 51.13 15.58 16.929 0.331 Vega
WISE_W2 30.17 25.59 16.862 0.921 Vega
WISE_W3 2.89 63.59 17.573 23.868 Vega
WISE_W4 99.03 386.47 12.291 4.237 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})\, 9.224 9.472 9.719
{\rm log}_{10}({\rm SFR}) 0.110 0.580 0.978
{\rm log}_{10}({\rm sSFR}) -9.443 -8.918 -8.405
{\rm stellar\ age} 0.389 1.803 4.514

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.526 -0.836 -0.140
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.460 0.020 0.266

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.106 0.266 0.671
\delta -0.386 0.129 0.319
\tau_1/\tau_2 0.653 1.063 1.460
Q_{PAH} 1.103 2.957 5.069
U_{min} 2.843 8.501 15.634
{\rm log}_{10}(\gamma_e)\, -3.159 -2.214 -1.057

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.619 -1.465 -0.796
{\rm log}_{10}(\tau_{AGN})\, 0.920 1.263 1.769

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.055 0.312 0.514
0.03-0.10 Gyr 0.071 0.665 1.101
0.10-0.32 Gyr 0.034 0.551 0.890
0.32-1.01 Gyr -1.414 0.010 0.477
1.01-3.22 Gyr -2.770 -0.898 -0.157
3.22-10.22 Gyr -3.312 -1.199 -0.353
10.22-11.36 Gyr -3.446 -1.210 -0.215