2025vhi

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Information

Transient

Name: AT2025vhi
Right ascension: 0h55m46.51s
Declination: -2d53m43.80s
Discovery Date: Aug. 24, 2025, 10:40 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.035

Host

Name: 1080419
Right ascension: 0h55m46.85s
Declination: -2d53m47.78s
Redshift: None
Photometric Redshift: 0.068
 

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 4.43
Cutout download processed 31.14
Global aperture construction processed 0.66
Local aperture photometry processed 6.44
Global aperture photometry processed 6.84
Validate local photometry processed 0.02
Validate global photometry processed 16.62
Host information processed 0.15
Global host SED inference processed 683.67
Local host SED inference processed 443.11
Transient information processed 0.0
Transient MWEBV processed 0.18
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) = 0h55m46.51s, -2d53m43.80s
semi major axis, semi minor axis (arcsec) = 1.54, 1.54
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 18.3 1.6 20.744 0.095 AB
SDSS_g 41.07 1.73 19.866 0.046 AB
DES_g 40.53 0.23 19.881 0.006 AB
PanSTARRS_g 40.72 0.41 19.876 0.011 AB
SDSS_r 55.29 2.08 19.543 0.041 AB
PanSTARRS_r 58.23 0.41 19.487 0.008 AB
DES_r 64.83 0.36 19.371 0.006 AB
SDSS_i 78.49 2.58 19.163 0.036 AB
PanSTARRS_i 78.19 0.45 19.167 0.006 AB
PanSTARRS_z 82.89 1.11 19.104 0.015 AB
SDSS_z 91.9 5.35 18.992 0.063 AB
DES_z 85.71 1.26 19.067 0.016 AB
PanSTARRS_y 86.88 3.32 19.053 0.041 AB

Aperture details

RA, DEC (J2000) = 0h55m46.79s, -2d53m47.15s
semi major axis, semi minor axis (arcsec) = 17.25, 6.84
angle (degrees, anti-clockwise from east) = -68.84

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV -0.0 0.0 AB
DES_g 646.05 1.02 16.874 0.002 AB
PanSTARRS_g 708.42 2.75 16.774 0.004 AB
SDSS_r 1163.61 10.45 16.235 0.010 AB
PanSTARRS_r 1133.39 2.82 16.264 0.003 AB
DES_r 1138.42 1.63 16.259 0.002 AB
SDSS_i 1572.39 13.32 15.909 0.009 AB
PanSTARRS_i 1547.65 3.01 15.926 0.002 AB
PanSTARRS_z 1818.98 7.7 15.750 0.005 AB
SDSS_z 1796.39 35.48 15.764 0.021 AB
DES_z 1787.73 6.04 15.769 0.004 AB
PanSTARRS_y 1918.34 23.28 15.693 0.013 AB
2MASS_J 2499.26 222.34 14.511 0.097 Vega
2MASS_H 3932.59 370.47 13.546 0.102 Vega
2MASS_K 2223.57 436.85 13.695 0.213 Vega
WISE_W1 1470.94 32.43 13.282 0.024 Vega
WISE_W2 932.98 37.87 13.136 0.044 Vega
WISE_W3 4268.41 186.24 9.650 0.047 Vega
WISE_W4 4479.96 984.98 8.152 0.239 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})\, 8.874 9.064 9.200
{\rm log}_{10}({\rm SFR}) -1.224 -0.714 -0.070
{\rm log}_{10}({\rm sSFR}) -10.359 -9.745 -9.046
{\rm stellar\ age} 3.077 6.105 7.784

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.700 -1.211 -0.599
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.807 -1.144 0.207

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.130 0.462 0.892
\delta -0.616 -0.217 0.083
\tau_1/\tau_2 0.710 1.070 1.418
Q_{PAH} 0.554 1.855 4.485
U_{min} 2.899 8.083 14.826
{\rm log}_{10}(\gamma_e)\, -3.158 -2.054 -0.877

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.841 -0.879 -0.149
{\rm log}_{10}(\tau_{AGN})\, 1.031 1.424 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.331 -0.965 -0.566
0.03-0.10 Gyr -1.256 -0.655 0.063
0.10-0.33 Gyr -1.433 -0.721 -0.160
0.33-1.08 Gyr -1.664 -0.908 -0.444
1.08-3.53 Gyr -1.631 -0.926 -0.663
3.53-11.57 Gyr -1.667 -0.918 -0.656
11.57-12.85 Gyr -1.818 -0.921 -0.319

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.448 10.569 10.689
{\rm log}_{10}({\rm SFR}) -1.914 -0.269 0.435
{\rm log}_{10}({\rm sSFR}) -12.351 -10.780 -10.088
{\rm stellar\ age} 3.127 6.949 9.023

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.704 -1.213 -0.799
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.788 -1.242 -0.029

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.329 0.536 0.777
\delta -0.082 0.216 0.344
\tau_1/\tau_2 0.477 0.934 1.371
Q_{PAH} 1.953 3.320 5.119
U_{min} 3.175 9.110 17.165
{\rm log}_{10}(\gamma_e)\, -3.006 -2.164 -1.264

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.775 -1.883 -1.443
{\rm log}_{10}(\tau_{AGN})\, 0.983 1.424 1.850

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.248 -0.347 0.119
0.03-0.10 Gyr -3.207 -0.399 0.543
0.10-0.33 Gyr -3.531 -0.534 0.494
0.33-1.08 Gyr -2.907 -0.573 0.444
1.08-3.53 Gyr -0.590 0.668 1.207
3.53-11.57 Gyr -1.327 0.547 0.871
11.57-12.85 Gyr -1.950 0.555 1.478