2025gkd

Download data

Information

Transient

Name: AT2025gkd
Right ascension: 5h40m32.02s
Declination: 15d30m17.65s
Discovery Date: Feb. 26, 2025, 5:45 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.312

Host

Name: 2025gkd
Right ascension: 5h40m32.05s
Declination: 15d30m17.27s
Redshift: 0.067033
Photometric Redshift: 0.089
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 3.26
Cutout download processed 3.35
Global aperture construction processed 0.7
Local aperture photometry processed 3.92
Global aperture photometry processed 4.12
Validate local photometry processed 0.02
Validate global photometry processed 9.77
Host information processed 0.09
Global host SED inference processed 764.0
Local host SED inference processed 465.48
Transient information processed 0.0
Transient MWEBV processed 0.1
Host MWEBV processed 0.04
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) = 5h40m32.02s, 15d30m17.65s
semi major axis, semi minor axis (arcsec) = 1.56, 1.56
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 73.18 0.81 19.239 0.012 AB
PanSTARRS_r 223.68 0.47 18.026 0.002 AB
PanSTARRS_i 404.61 1.12 17.382 0.003 AB
PanSTARRS_z 598.61 1.33 16.957 0.002 AB
PanSTARRS_y 774.4 3.33 16.678 0.005 AB

Aperture details

RA, DEC (J2000) = 5h40m32.03s, 15d30m17.37s
semi major axis, semi minor axis (arcsec) = 6.52, 5.03
angle (degrees, anti-clockwise from east) = -82.78

Warning: possible contaminating objects in the global aperture
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 726.8 1.53 16.746 0.002 AB
PanSTARRS_i 1257.38 3.88 16.151 0.003 AB
PanSTARRS_z 1791.42 4.58 15.767 0.003 AB
PanSTARRS_y 2398.08 11.94 15.450 0.005 AB
2MASS_J 3551.4 152.22 14.129 0.047 Vega
2MASS_H 5159.02 211.45 13.251 0.044 Vega
2MASS_K 4926.67 279.06 12.831 0.061 Vega
WISE_W1 1975.32 36.72 12.962 0.020 Vega
WISE_W2 1396.42 35.63 12.698 0.028 Vega
WISE_W3 904.36 95.8 11.335 0.115 Vega
WISE_W4 1683.56 583.66 9.214 0.376 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
Warning: possible contaminating objects in the global aperture
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.266 10.393 10.535
{\rm log}_{10}({\rm SFR}) -2.967 -1.286 -0.077
{\rm log}_{10}({\rm sSFR}) -13.429 -11.714 -10.417
{\rm stellar\ age} 6.525 7.864 11.744

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.015 -0.575 -0.322
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.557 -0.548 0.258

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.445 0.742 1.157
\delta -0.795 -0.509 -0.058
\tau_1/\tau_2 0.601 1.005 1.363
Q_{PAH} 0.919 3.205 5.591
U_{min} 2.775 8.450 16.103
{\rm log}_{10}(\gamma_e)\, -3.288 -1.661 -0.572

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.064 -2.186 -0.797
{\rm log}_{10}(\tau_{AGN})\, 0.989 1.424 1.942

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.524 -1.408 -0.448
0.03-0.10 Gyr -3.818 -1.406 -0.007
0.10-0.33 Gyr -3.703 -1.331 0.039
0.33-1.08 Gyr -3.724 -1.090 0.069
1.08-3.53 Gyr -2.854 -0.350 0.450
3.53-11.58 Gyr -0.981 0.427 0.677
11.58-12.87 Gyr -0.158 0.722 1.630

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.787 10.848 10.945
{\rm log}_{10}({\rm SFR}) -2.488 -0.830 0.366
{\rm log}_{10}({\rm sSFR}) -13.329 -11.619 -10.464
{\rm stellar\ age} 7.547 8.823 11.973

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.310 -0.167 -0.059
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.434 -0.650 0.031

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.039 0.148 0.288
\delta -0.930 -0.696 -0.123
\tau_1/\tau_2 0.610 1.032 1.469
Q_{PAH} 0.324 1.183 3.583
U_{min} 2.360 7.066 14.322
{\rm log}_{10}(\gamma_e)\, -3.287 -2.277 -0.798

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.689 -2.492 -1.783
{\rm log}_{10}(\tau_{AGN})\, 1.066 1.437 1.828

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.482 -1.157 -0.051
0.03-0.10 Gyr -2.950 -0.828 0.466
0.10-0.33 Gyr -3.322 -0.952 0.453
0.33-1.08 Gyr -3.065 -0.875 0.187
1.08-3.53 Gyr -2.109 -0.290 0.531
3.53-11.58 Gyr -0.384 0.894 1.092
11.58-12.87 Gyr 0.651 1.470 2.064