2025vkk

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Information

Transient

Name: AT2025vkk
Right ascension: 4h56m45.61s
Declination: -10d35m38.76s
Discovery Date: Aug. 17, 2025, 7:01 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.071

Host

Name: PGC016379
Right ascension: 4h56m45.88s
Declination: -10d35m35.34s
Redshift: 0.013709
Photometric Redshift: 0.013
 

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
processed
 status
Local host SED inference
Local host SED inference
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 4.19
Cutout download processed 30.78
Global aperture construction processed 0.67
Local aperture photometry processed 5.76
Global aperture photometry processed 5.28
Validate local photometry processed 0.02
Validate global photometry processed 14.29
Host information processed 0.14
Global host SED inference processed 897.28
Local host SED inference processed 527.19
Transient information processed 0.0
Transient MWEBV processed 0.07
Host MWEBV processed 0.04
Processing status completed 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) = 4h56m45.61s, -10d35m38.76s
semi major axis, semi minor axis (arcsec) = 7.15, 7.15
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 124.92 7.51 18.658 0.065 AB
GALEX_NUV 183.1 7.69 18.243 0.046 AB
DES_g 1425.39 2.28 16.015 0.002 AB
PanSTARRS_g 1435.45 2.64 16.008 0.002 AB
PanSTARRS_r 2299.11 3.31 15.496 0.002 AB
DES_r 2423.96 4.19 15.439 0.002 AB
PanSTARRS_i 2935.37 2.74 15.231 0.001 AB
PanSTARRS_z 3398.51 6.13 15.072 0.002 AB
DES_z 3552.33 9.27 15.024 0.003 AB
PanSTARRS_y 3991.71 14.54 14.897 0.004 AB
2MASS_J 4212.48 182.69 13.944 0.047 Vega
2MASS_H 4925.98 247.72 13.301 0.055 Vega
2MASS_K 4179.92 282.15 13.009 0.073 Vega
WISE_W1 1208.32 29.19 13.496 0.026 Vega
WISE_W2 695.15 24.26 13.456 0.038 Vega
WISE_W3 2316.31 64.61 10.314 0.030 Vega

Aperture details

RA, DEC (J2000) = 4h56m45.91s, -10d35m33.92s
semi major axis, semi minor axis (arcsec) = 58.4, 24.64
angle (degrees, anti-clockwise from east) = -165.44

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 8339.88 12.86 14.097 0.002 AB
PanSTARRS_r 12300.35 15.98 13.675 0.001 AB
WISE_W3 27138.11 421.73 7.642 0.017 Vega
WISE_W4 38260.3 2783.83 5.823 0.079 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})\, 9.352 9.421 9.526
{\rm log}_{10}({\rm SFR}) -0.804 -0.584 -0.342
{\rm log}_{10}({\rm sSFR}) -10.241 -10.005 -9.767
{\rm stellar\ age} 7.726 8.746 11.773

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.355 -1.030 -0.823
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.062 0.247 0.401

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.080 0.142 0.226
\delta -0.829 -0.546 -0.227
\tau_1/\tau_2 0.792 1.140 1.484
Q_{PAH} 0.118 0.398 0.935
U_{min} 2.676 7.916 15.464
{\rm log}_{10}(\gamma_e)\, -3.022 -2.310 -1.530

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.433 -3.496 -2.603
{\rm log}_{10}(\tau_{AGN})\, 1.149 1.700 2.028

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.416 -1.201 -1.021
0.03-0.10 Gyr -0.691 -0.454 -0.196
0.10-0.33 Gyr -1.660 -1.007 -0.683
0.33-1.10 Gyr -2.336 -1.465 -1.077
1.10-3.63 Gyr -2.587 -1.417 -0.869
3.63-12.03 Gyr -1.148 -0.481 -0.356
12.03-13.37 Gyr -0.653 -0.055 0.584

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.831 10.010 10.157
{\rm log}_{10}({\rm SFR}) -0.587 0.000 0.508
{\rm log}_{10}({\rm sSFR}) -10.638 -10.058 -9.472
{\rm stellar\ age} 2.768 6.202 8.439

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.666 -0.308 -0.064
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.494 -0.384 0.005

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.155 0.381 0.627
\delta -0.653 -0.129 0.220
\tau_1/\tau_2 0.316 0.752 1.187
Q_{PAH} 0.280 0.823 2.302
U_{min} 2.575 6.997 13.560
{\rm log}_{10}(\gamma_e)\, -3.702 -3.092 -1.802

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.500 -3.245 -1.661
{\rm log}_{10}(\tau_{AGN})\, 0.879 1.302 1.852

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.649 -0.020 0.298
0.03-0.10 Gyr -0.997 -0.068 0.611
0.10-0.33 Gyr -0.795 0.001 0.634
0.33-1.10 Gyr -0.695 0.075 0.577
1.10-3.63 Gyr -0.701 0.039 0.382
3.63-12.03 Gyr -1.066 -0.057 0.256
12.03-13.37 Gyr -1.224 -0.035 0.692