2025hkv

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Information

Transient

Name: AT2025hkv
Right ascension: 8h05m51.08s
Declination: 37d30m53.95s
Discovery Date: April 14, 2025, 6:01 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.043

Host

Name: 2025hkv
Right ascension: 8h05m51.88s
Declination: 37d30m50.77s
Redshift: 0.044044
Photometric Redshift: 0.054
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.55
Cutout download processed 18.26
Global aperture construction processed 0.68
Local aperture photometry processed 6.82
Global aperture photometry processed 6.86
Validate local photometry processed 0.02
Validate global photometry processed 19.25
Host information processed 0.09
Global host SED inference processed 385.36
Local host SED inference processed 464.79
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.14
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) = 8h05m51.08s, 37d30m53.95s
semi major axis, semi minor axis (arcsec) = 2.31, 2.31
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 1.27 1.46 23.637 1.240 AB
SDSS_g 12.93 1.11 21.121 0.093 AB
DES_g 13.04 0.27 21.112 0.022 AB
PanSTARRS_g 14.58 0.51 20.991 0.038 AB
SDSS_r 17.97 1.5 20.763 0.091 AB
PanSTARRS_r 19.17 0.6 20.693 0.034 AB
SDSS_i 24.25 1.98 20.438 0.089 AB
PanSTARRS_i 27.09 0.57 20.318 0.023 AB
PanSTARRS_z 22.93 1.39 20.499 0.066 AB
SDSS_z 32.55 6.38 20.119 0.213 AB
DES_z 26.42 1.41 20.345 0.058 AB
PanSTARRS_y 21.16 4.28 20.586 0.220 AB

Aperture details

RA, DEC (J2000) = 8h05m51.92s, 37d30m50.73s
semi major axis, semi minor axis (arcsec) = 16.22, 11.54
angle (degrees, anti-clockwise from east) = -95.31

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 87.15 9.28 19.049 0.116 AB
GALEX_NUV 115.66 1.77 18.742 0.017 AB
SDSS_u 195.2 9.14 18.174 0.051 AB
SDSS_g 787.85 8.19 16.659 0.011 AB
DES_g 826.95 2.04 16.606 0.003 AB
PanSTARRS_g 853.85 3.02 16.572 0.004 AB
SDSS_r 1282.27 11.17 16.130 0.009 AB
PanSTARRS_r 1290.17 3.57 16.123 0.003 AB
SDSS_i 1665.49 14.03 15.846 0.009 AB
PanSTARRS_i 1701.58 3.41 15.823 0.002 AB
PanSTARRS_z 1874.65 8.25 15.718 0.005 AB
SDSS_z 2187.92 38.79 15.550 0.019 AB
DES_z 1993.3 11.84 15.651 0.006 AB
PanSTARRS_y 2048.52 25.19 15.621 0.013 AB
2MASS_J 2612.73 300.19 14.462 0.125 Vega
2MASS_H 2426.7 488.94 14.070 0.219 Vega
2MASS_K 2970.4 460.89 13.380 0.168 Vega
WISE_W1 1243.44 29.11 13.464 0.025 Vega
WISE_W2 727.68 33.09 13.406 0.049 Vega
WISE_W3 2701.63 172.58 10.147 0.069 Vega
WISE_W4 2772.53 816.11 8.673 0.320 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})\, 8.089 8.278 8.397
{\rm log}_{10}({\rm SFR}) -1.876 -1.301 -0.839
{\rm log}_{10}({\rm sSFR}) -10.187 -9.599 -9.044
{\rm stellar\ age} 3.775 6.371 8.043

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.835 -1.531 -1.066
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.829 -1.485 -0.411

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.310 0.739 1.148
\delta -0.248 0.084 0.312
\tau_1/\tau_2 0.756 1.094 1.410
Q_{PAH} 1.089 2.849 5.006
U_{min} 2.773 7.420 14.452
{\rm log}_{10}(\gamma_e)\, -3.040 -1.948 -0.862

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.434 -1.258 -0.147
{\rm log}_{10}(\tau_{AGN})\, 1.054 1.542 1.948

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.863 -1.303 -0.927
0.03-0.10 Gyr -2.058 -1.345 -0.793
0.10-0.33 Gyr -2.417 -1.640 -1.119
0.33-1.09 Gyr -2.620 -1.805 -1.325
1.09-3.59 Gyr -2.378 -1.743 -1.435
3.59-11.85 Gyr -2.328 -1.704 -1.458
11.85-13.17 Gyr -2.566 -1.740 -1.155

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.169 10.230 10.317
{\rm log}_{10}({\rm SFR}) -0.285 -0.013 0.245
{\rm log}_{10}({\rm sSFR}) -10.537 -10.251 -9.970
{\rm stellar\ age} 7.481 8.405 11.201

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.204 -0.949 -0.780
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.842 -1.636 -0.857

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.150 0.245 0.395
\delta -0.059 0.183 0.328
\tau_1/\tau_2 0.478 0.875 1.285
Q_{PAH} 0.931 2.186 4.141
U_{min} 2.855 8.469 15.925
{\rm log}_{10}(\gamma_e)\, -2.909 -1.685 -0.895

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.284 -3.293 -2.313
{\rm log}_{10}(\tau_{AGN})\, 1.051 1.556 1.953

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.869 -0.338 -0.103
0.03-0.10 Gyr -0.318 0.073 0.387
0.10-0.33 Gyr -0.866 -0.188 0.170
0.33-1.09 Gyr -1.028 -0.342 -0.015
1.09-3.59 Gyr -1.373 -0.356 0.034
3.59-11.85 Gyr -0.165 0.329 0.466
11.85-13.17 Gyr 0.132 0.728 1.348