2025zyk

Download data

Information

Transient

Name: AT2025zyk
Right ascension: 4h49m54.08s
Declination: 0d57m57.68s
Discovery Date: Sept. 28, 2025, 2:08 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.085

Host

Name:
Right ascension: 4h49m54.14s
Declination: 0d57m59.23s
Redshift: None
Photometric Redshift: 0.177
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
no valid phot
 status
Local host SED inference
Local host SED inference
not processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 6.3
Cutout download processed 16.28
Global aperture construction processed 0.66
Local aperture photometry processed 6.45
Global aperture photometry processed 6.78
Validate local photometry no valid phot 0.03
Validate global photometry processed 17.08
Host information processed 0.12
Global host SED inference processed 409.42
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.04
Processing status blocked N/A N/A
 

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) = 4h49m54.08s, 0d57m57.68s
semi major axis, semi minor axis (arcsec) = 0.67, 0.67
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 4h49m54.13s, 0d57m59.33s
semi major axis, semi minor axis (arcsec) = 7.62, 3.97
angle (degrees, anti-clockwise from east) = -156.31

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 50.94 4.63 19.632 0.099 AB
SDSS_g 93.49 2.92 18.973 0.034 AB
DES_g 87.68 0.65 19.043 0.008 AB
PanSTARRS_g 94.3 1.39 18.964 0.016 AB
SDSS_r 192.55 4.37 18.189 0.025 AB
PanSTARRS_r 206.35 1.57 18.113 0.008 AB
DES_r 204.35 1.29 18.124 0.007 AB
SDSS_i 300.04 6.35 17.707 0.023 AB
PanSTARRS_i 292.49 2.53 17.735 0.009 AB
PanSTARRS_z 371.04 3.71 17.476 0.011 AB
SDSS_z 424.65 17.53 17.330 0.045 AB
DES_z 376.04 4.05 17.462 0.012 AB
PanSTARRS_y 434.2 8.46 17.306 0.021 AB
2MASS_J 984.58 195.68 15.522 0.216 Vega
2MASS_H 1098.15 292.31 14.931 0.289 Vega
2MASS_K 910.61 328.58 14.664 0.392 Vega
WISE_W1 415.81 17.09 14.654 0.045 Vega
WISE_W2 300.2 18.97 14.367 0.069 Vega
WISE_W3 511.57 79.2 11.954 0.168 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.694 10.771 10.838
{\rm log}_{10}({\rm SFR}) 0.764 1.170 1.519
{\rm log}_{10}({\rm sSFR}) -10.069 -9.616 -9.251
{\rm stellar\ age} 5.811 6.737 8.600

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.481 -0.273 -0.111
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.781 -1.252 0.077

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.253 0.395 0.600
\delta -0.774 -0.492 -0.244
\tau_1/\tau_2 0.513 0.935 1.381
Q_{PAH} 0.547 1.413 3.066
U_{min} 2.333 6.773 14.147
{\rm log}_{10}(\gamma_e)\, -3.306 -2.487 -1.686

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.067 -2.843 -1.843
{\rm log}_{10}(\tau_{AGN})\, 0.932 1.337 1.841

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.241 0.611 0.860
0.03-0.10 Gyr 0.850 1.297 1.657
0.10-0.32 Gyr -0.810 0.420 0.873
0.32-1.02 Gyr -1.563 0.145 0.604
1.02-3.26 Gyr -0.344 0.559 0.915
3.26-10.40 Gyr 0.585 0.922 1.063
10.40-11.56 Gyr 0.492 1.083 1.741