2025vkl

Download data

Information

Transient

Name: AT2025vkl
Right ascension: 4h54m34.11s
Declination: -20d05m05.88s
Discovery Date: Aug. 17, 2025, 5:53 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.045

Host

Name: 846513
Right ascension: 4h54m34.08s
Declination: -20d05m07.13s
Redshift: 0.075269
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 19.91
Transient MWEBV processed 0.06
Host match processed 3.84
Host information processed 0.17
Host MWEBV processed 0.04
Global aperture construction processed 0.71
Global aperture photometry processed 5.25
Validate global photometry processed 14.01
Global host SED inference processed 428.32
Local aperture photometry processed 5.9
Validate local photometry processed 0.02
Local host SED inference processed 465.04
 

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) = 4h54m34.11s, -20d05m05.88s
semi major axis, semi minor axis (arcsec) = 1.4, 1.4
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 254.38 0.45 17.886 0.002 AB
PanSTARRS_g 231.15 0.47 17.990 0.002 AB
PanSTARRS_r 397.23 0.62 17.402 0.002 AB
DES_r 452.34 0.71 17.261 0.002 AB
PanSTARRS_i 561.23 0.52 17.027 0.001 AB
PanSTARRS_z 679.08 1.29 16.820 0.002 AB
DES_z 712.3 2.67 16.768 0.004 AB
PanSTARRS_y 759.77 2.78 16.698 0.004 AB

Aperture details

RA, DEC (J2000) = 4h54m34.10s, -20d05m06.35s
semi major axis, semi minor axis (arcsec) = 14.34, 10.59
angle (degrees, anti-clockwise from east) = -157.73

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 300.34 15.56 17.706 0.056 AB
GALEX_NUV 365.37 10.14 17.493 0.030 AB
DES_g 1858.72 1.35 15.727 0.001 AB
PanSTARRS_g 1759.9 3.16 15.786 0.002 AB
PanSTARRS_r 2971.06 4.44 15.218 0.002 AB
PanSTARRS_i 4086.72 3.76 14.872 0.001 AB
PanSTARRS_z 4736.98 10.22 14.711 0.002 AB
DES_z 4999.3 7.45 14.653 0.002 AB
PanSTARRS_y 5506.03 23.85 14.548 0.005 AB
2MASS_J 7212.93 322.81 13.360 0.049 Vega
2MASS_H 8403.09 453.97 12.721 0.059 Vega
2MASS_K 7156.83 583.38 12.425 0.088 Vega
WISE_W1 4962.51 38.67 11.962 0.008 Vega
WISE_W2 4382.49 43.66 11.457 0.011 Vega
WISE_W3 17765.98 143.57 8.102 0.009 Vega
WISE_W4 23585.59 1020.85 6.348 0.047 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})\, 9.978 10.111 10.223
{\rm log}_{10}({\rm SFR}) -0.964 -0.308 0.384
{\rm log}_{10}({\rm sSFR}) -11.156 -10.461 -9.768
{\rm stellar\ age} 3.329 5.916 7.351

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.255 -0.695 -0.341
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.745 -0.845 0.162

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.232 0.496 0.830
\delta -0.777 -0.369 0.022
\tau_1/\tau_2 0.648 1.008 1.358
Q_{PAH} 0.587 2.457 5.263
U_{min} 2.866 8.030 15.174
{\rm log}_{10}(\gamma_e)\, -3.133 -1.756 -0.584

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.856 -1.509 -0.719
{\rm log}_{10}(\tau_{AGN})\, 0.914 1.436 1.910

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.955 -0.424 -0.065
0.03-0.10 Gyr -1.404 -0.372 0.510
0.10-0.33 Gyr -1.113 -0.034 0.619
0.33-1.07 Gyr -0.417 0.232 0.671
1.07-3.51 Gyr -0.284 0.251 0.518
3.51-11.49 Gyr -0.576 0.121 0.362
11.49-12.76 Gyr -0.789 0.114 0.613

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.036 11.094 11.181
{\rm log}_{10}({\rm SFR}) 1.086 1.353 1.653
{\rm log}_{10}({\rm sSFR}) -10.038 -9.736 -9.419
{\rm stellar\ age} 7.166 8.156 10.904

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.512 -0.256 -0.077
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.498 0.219 0.408

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.127 0.233 0.410
\delta -0.234 0.074 0.302
\tau_1/\tau_2 0.598 1.012 1.418
Q_{PAH} 1.469 2.975 4.935
U_{min} 2.575 7.035 14.320
{\rm log}_{10}(\gamma_e)\, -3.103 -1.785 -1.067

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.276 -1.142 -1.013
{\rm log}_{10}(\tau_{AGN})\, 1.121 1.275 1.422

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.420 0.783 0.986
0.03-0.10 Gyr 1.168 1.482 1.796
0.10-0.33 Gyr -0.554 0.530 0.924
0.33-1.07 Gyr -0.714 0.358 0.694
1.07-3.51 Gyr -0.558 0.522 0.942
3.51-11.49 Gyr 0.605 1.204 1.327
11.49-12.76 Gyr 0.998 1.594 2.227