2025ghg

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Information

Transient

Name: AT2025ghg
Right ascension: 6h27m50.77s
Declination: -30d37m42.36s
Discovery Date: March 31, 2025, 10:05 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.049

Host

Name: 2025ghg
Right ascension: 6h27m51.22s
Declination: -30d37m48.67s
Redshift: 0.074909
Photometric Redshift:
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.26
Cutout download processed 3.26
Global aperture construction processed 0.62
Local aperture photometry processed 4.25
Global aperture photometry processed 4.31
Validate local photometry processed 0.02
Validate global photometry processed 6.91
Host information processed 0.09
Global host SED inference not enough filters 21.92
Local host SED inference processed 536.26
Transient information processed 0.0
Transient MWEBV processed 0.15
Host MWEBV processed 0.12
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) = 6h27m50.77s, -30d37m42.36s
semi major axis, semi minor axis (arcsec) = 1.41, 1.41
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 12.77 0.58 21.134 0.050 AB
PanSTARRS_r 23.41 0.87 20.477 0.040 AB
PanSTARRS_i 25.65 0.72 20.377 0.031 AB
PanSTARRS_z 38.59 2.52 19.934 0.071 AB
PanSTARRS_y 40.79 5.59 19.874 0.149 AB

Aperture details

RA, DEC (J2000) = 6h27m51.19s, -30d37m48.60s
semi major axis, semi minor axis (arcsec) = 11.5, 10.21
angle (degrees, anti-clockwise from east) = -141.7

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
2MASS_J 4479.88 301.42 13.877 0.073 Vega
2MASS_K 4822.91 495.6 12.854 0.112 Vega
WISE_W2 1302.85 33.95 12.774 0.028 Vega
WISE_W3 2600.8 101.27 10.188 0.042 Vega
WISE_W4 1733.21 538.7 9.183 0.337 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.602 8.836 8.950
{\rm log}_{10}({\rm SFR}) -1.811 -1.101 -0.259
{\rm log}_{10}({\rm sSFR}) -10.742 -9.989 -8.911
{\rm stellar\ age} 2.518 6.016 7.335

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.771 -0.233 0.022
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.684 -0.999 0.055

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.095 0.492 1.125
\delta -0.621 -0.171 0.174
\tau_1/\tau_2 0.697 1.101 1.507
Q_{PAH} 1.285 3.533 5.806
U_{min} 3.061 8.360 15.507
{\rm log}_{10}(\gamma_e)\, -3.029 -1.758 -0.593

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.738 -0.346 0.259
{\rm log}_{10}(\tau_{AGN})\, 1.037 1.446 1.957

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.307 -1.529 -0.789
0.03-0.10 Gyr -1.857 -1.058 -0.130
0.10-0.33 Gyr -1.702 -1.079 -0.447
0.33-1.07 Gyr -1.963 -1.137 -0.765
1.07-3.51 Gyr -1.994 -1.123 -0.861
3.51-11.49 Gyr -2.242 -1.137 -0.919
11.49-12.77 Gyr -2.274 -1.191 -0.655

Global parameter details

Documentation