2025ghk

Download data

Information

Transient

Name: AT2025ghk
Right ascension: 4h37m45.57s
Declination: -22d36m23.31s
Discovery Date: March 28, 2025, 12:30 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name: 2025ghk
Right ascension: 4h37m45.52s
Declination: -22d36m25.13s
Redshift: 0.066020
Photometric Redshift: 0.228
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.82
Cutout download processed 10.99
Global aperture construction processed 0.8
Local aperture photometry processed 5.4
Global aperture photometry processed 5.23
Validate local photometry processed 0.02
Validate global photometry processed 14.41
Host information processed 0.08
Global host SED inference processed 506.49
Local host SED inference processed 457.3
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.05
Log transient processing status processed 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) = 4h37m45.57s, -22d36m23.31s
semi major axis, semi minor axis (arcsec) = 1.58, 1.58
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 6.91 0.11 21.801 0.018 AB
PanSTARRS_g 8.04 0.39 21.637 0.052 AB
PanSTARRS_r 11.45 0.6 21.253 0.056 AB
DES_r 11.1 0.14 21.286 0.013 AB
PanSTARRS_i 12.45 0.56 21.162 0.048 AB
PanSTARRS_z 13.27 1.47 21.093 0.121 AB
DES_z 14.55 0.5 20.993 0.037 AB
PanSTARRS_y 18.34 2.7 20.741 0.160 AB

Aperture details

RA, DEC (J2000) = 4h37m45.51s, -22d36m25.26s
semi major axis, semi minor axis (arcsec) = 2.66, 1.6
angle (degrees, anti-clockwise from east) = -44.58

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.55 1.9 22.254 0.454 AB
GALEX_NUV 6.84 1.75 21.812 0.277 AB
DES_g 17.64 0.16 20.784 0.010 AB
PanSTARRS_g 19.25 0.51 20.689 0.029 AB
PanSTARRS_r 26.88 0.75 20.326 0.030 AB
DES_r 27.3 0.19 20.309 0.008 AB
PanSTARRS_i 31.38 0.68 20.159 0.023 AB
PanSTARRS_z 32.44 1.77 20.122 0.059 AB
DES_z 35.45 0.7 20.026 0.021 AB
PanSTARRS_y 41.78 3.18 19.848 0.083 AB
2MASS_J 98.9 81.68 18.017 0.897 Vega
2MASS_H 111.1 119.84 17.418 1.171 Vega
2MASS_K 287.14 157.17 15.917 0.594 Vega
WISE_W1 25.5 7.42 17.685 0.316 Vega
WISE_W2 5.05 11.47 18.802 2.463 Vega
WISE_W3 4.14 44.72 17.183 11.727 Vega
WISE_W4 550.99 407.46 10.427 0.803 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})\, 7.981 8.187 8.341
{\rm log}_{10}({\rm SFR}) -2.385 -1.534 -0.340
{\rm log}_{10}({\rm sSFR}) -10.669 -9.805 -8.395
{\rm stellar\ age} 0.391 4.610 6.705

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.687 -1.210 -0.560
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.564 -0.705 0.153

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.170 0.598 1.340
\delta -0.415 -0.048 0.215
\tau_1/\tau_2 0.635 1.016 1.428
Q_{PAH} 1.215 2.840 5.167
U_{min} 3.166 8.358 16.416
{\rm log}_{10}(\gamma_e)\, -2.779 -1.615 -0.621

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.823 -0.182 0.269
{\rm log}_{10}(\tau_{AGN})\, 1.082 1.538 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.921 -1.997 -1.378
0.03-0.10 Gyr -2.508 -1.503 -0.182
0.10-0.33 Gyr -2.468 -1.430 -0.700
0.33-1.08 Gyr -3.664 -1.551 -1.127
1.08-3.53 Gyr -4.366 -1.797 -1.444
3.53-11.59 Gyr -5.027 -2.014 -1.587
11.59-12.88 Gyr -5.298 -2.079 -1.387

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.448 8.641 8.798
{\rm log}_{10}({\rm SFR}) -1.088 -0.709 -0.324
{\rm log}_{10}({\rm sSFR}) -9.764 -9.373 -8.828
{\rm stellar\ age} 3.429 6.109 7.887

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.501 -0.812 -0.226
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.000 0.123 0.362

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.138 0.471 0.820
\delta -0.132 0.204 0.348
\tau_1/\tau_2 0.706 1.084 1.471
Q_{PAH} 1.290 2.879 4.764
U_{min} 3.332 9.127 16.900
{\rm log}_{10}(\gamma_e)\, -2.518 -1.393 -0.511

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.449 -1.268 -0.403
{\rm log}_{10}(\tau_{AGN})\, 1.158 1.587 1.941

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.092 -1.347 -1.004
0.03-0.10 Gyr -1.008 -0.587 -0.172
0.10-0.33 Gyr -1.563 -0.918 -0.479
0.33-1.08 Gyr -2.299 -1.361 -0.970
1.08-3.53 Gyr -2.314 -1.435 -1.123
3.53-11.59 Gyr -2.188 -1.377 -1.123
11.59-12.88 Gyr -2.378 -1.331 -0.684