2025ktg

Download data

Information

Transient

Name: AT2025ktg
Right ascension: 15h20m36.25s
Declination: 19d41m09.49s
Discovery Date: May 19, 2025, 8:10 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.049

Host

Name: 2025ktg
Right ascension: 15h20m36.69s
Declination: 19d41m12.97s
Redshift: 0.088415
Photometric Redshift: 0.094
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.49
Transient MWEBV processed 0.05
Host match processed 1.78
Host information processed 0.1
Host MWEBV processed 0.14
Global aperture construction processed 0.64
Global aperture photometry processed 7.76
Validate global photometry processed 19.97
Global host SED inference processed 457.51
Local aperture photometry processed 7.12
Validate local photometry processed 0.03
Local host SED inference processed 455.39
 

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) = 15h20m36.25s, 19d41m09.49s
semi major axis, semi minor axis (arcsec) = 1.21, 1.21
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 3.78 0.15 22.456 0.044 AB
PanSTARRS_r 8.43 0.32 21.586 0.041 AB
DES_r 9.6 0.33 21.444 0.037 AB
PanSTARRS_i 12.2 0.32 21.184 0.029 AB
PanSTARRS_z 18.07 0.63 20.757 0.038 AB
DES_z 19.05 0.89 20.700 0.050 AB
PanSTARRS_y 19.86 1.5 20.655 0.082 AB

Aperture details

RA, DEC (J2000) = 15h20m36.68s, 19d41m13.09s
semi major axis, semi minor axis (arcsec) = 8.83, 5.72
angle (degrees, anti-clockwise from east) = -129.98

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.06 1.37 22.686 0.486 AB
GALEX_NUV 5.02 1.43 22.147 0.310 AB
SDSS_u 99.59 5.38 18.904 0.059 AB
SDSS_g 365.61 5.27 17.492 0.016 AB
DES_g 407.04 1.31 17.376 0.004 AB
PanSTARRS_g 435.27 1.98 17.303 0.005 AB
SDSS_r 926.8 8.38 16.483 0.010 AB
PanSTARRS_r 944.34 1.86 16.462 0.002 AB
DES_r 1029.48 3.12 16.368 0.003 AB
SDSS_i 1410.0 10.81 16.027 0.008 AB
PanSTARRS_i 1424.98 1.93 16.015 0.001 AB
PanSTARRS_z 1885.64 3.69 15.711 0.002 AB
SDSS_z 2013.26 22.11 15.640 0.012 AB
DES_z 2076.47 8.72 15.607 0.005 AB
PanSTARRS_y 2322.3 8.64 15.485 0.004 AB
2MASS_J 3297.51 156.65 14.210 0.052 Vega
2MASS_H 4559.94 241.36 13.385 0.057 Vega
2MASS_K 4172.57 304.1 13.011 0.079 Vega
WISE_W1 1618.15 22.17 13.178 0.015 Vega
WISE_W2 960.75 25.98 13.104 0.029 Vega
WISE_W3 326.61 56.67 12.441 0.188 Vega
WISE_W4 28.83 288.06 13.630 10.847 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

Click the image to load the interactive plot.


Click the image to load the interactive plot.


 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.822 9.006 9.138
{\rm log}_{10}({\rm SFR}) -2.039 -1.276 -0.649
{\rm log}_{10}({\rm sSFR}) -11.047 -10.307 -9.646
{\rm stellar\ age} 3.839 6.631 8.179

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.420 -0.649 -0.083
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.575 -0.675 0.168

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.883 1.368 1.907
\delta -0.070 0.143 0.312
\tau_1/\tau_2 0.696 1.050 1.395
Q_{PAH} 1.033 3.061 5.377
U_{min} 3.008 8.359 15.479
{\rm log}_{10}(\gamma_e)\, -2.784 -1.620 -0.558

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.534 -0.512 0.093
{\rm log}_{10}(\tau_{AGN})\, 1.077 1.501 1.918

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.740 -1.547 -0.968
0.03-0.10 Gyr -2.132 -1.266 -0.558
0.10-0.33 Gyr -1.897 -1.182 -0.496
0.33-1.06 Gyr -2.196 -1.208 -0.658
1.06-3.47 Gyr -1.938 -1.025 -0.719
3.47-11.34 Gyr -1.867 -0.951 -0.706
11.34-12.60 Gyr -1.820 -0.872 -0.250

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.983 11.071 11.117
{\rm log}_{10}({\rm SFR}) -2.621 -1.198 -0.669
{\rm log}_{10}({\rm sSFR}) -13.572 -12.236 -11.682
{\rm stellar\ age} 7.963 11.518 11.955

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.667 -0.463 -0.312
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.534 -0.591 0.203

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.179 0.298 0.461
\delta -0.388 -0.114 0.086
\tau_1/\tau_2 0.555 0.969 1.406
Q_{PAH} 0.397 1.140 2.518
U_{min} 3.179 9.156 16.795
{\rm log}_{10}(\gamma_e)\, -2.743 -1.768 -1.111

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.498 -3.602 -2.577
{\rm log}_{10}(\tau_{AGN})\, 1.061 1.558 1.943

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.504 -1.648 -0.895
0.03-0.10 Gyr -3.012 -1.233 -0.568
0.10-0.33 Gyr -4.627 -1.815 -0.756
0.33-1.06 Gyr -5.427 -2.442 -1.119
1.06-3.47 Gyr -3.623 -1.776 -0.490
3.47-11.34 Gyr -1.494 0.369 1.259
11.34-12.60 Gyr 1.239 2.190 2.263