2025vhf

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Information

Transient

Name: AT2025vhf
Right ascension: 21h58m22.43s
Declination: 45d23m37.28s
Discovery Date: Aug. 23, 2025, 11:13 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.297

Host

Name:
Right ascension: 21h58m22.40s
Declination: 45d23m37.15s
Redshift: 0.069976
Photometric Redshift:
 

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 7.21
Cutout download processed 37.18
Global aperture construction processed 0.68
Local aperture photometry processed 5.4
Global aperture photometry processed 4.8
Validate local photometry processed 0.02
Validate global photometry processed 15.6
Host information processed 0.15
Global host SED inference processed 551.07
Local host SED inference processed 484.31
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) = 21h58m22.43s, 45d23m37.28s
semi major axis, semi minor axis (arcsec) = 1.5, 1.5
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 55.35 1.97 19.542 0.039 AB
PanSTARRS_g 62.31 0.49 19.414 0.009 AB
SDSS_r 175.96 3.5 18.286 0.022 AB
PanSTARRS_r 172.11 0.59 18.310 0.004 AB
SDSS_i 330.56 4.83 17.602 0.016 AB
PanSTARRS_i 331.67 0.63 17.598 0.002 AB
PanSTARRS_z 466.17 1.39 17.229 0.003 AB
SDSS_z 550.39 7.08 17.048 0.014 AB
PanSTARRS_y 584.85 3.79 16.982 0.007 AB

Aperture details

RA, DEC (J2000) = 21h58m22.38s, 45d23m37.24s
semi major axis, semi minor axis (arcsec) = 9.52, 5.65
angle (degrees, anti-clockwise from east) = -110.88

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 1.86 0.91 23.227 0.533 AB
SDSS_u 72.27 6.04 19.253 0.091 AB
SDSS_g 239.37 4.52 17.952 0.021 AB
PanSTARRS_g 264.57 2.31 17.844 0.009 AB
SDSS_r 697.09 7.54 16.792 0.012 AB
PanSTARRS_r 732.77 2.68 16.738 0.004 AB
SDSS_i 1273.1 10.6 16.138 0.009 AB
PanSTARRS_i 1282.55 2.84 16.130 0.002 AB
PanSTARRS_z 1777.25 6.5 15.776 0.004 AB
SDSS_z 1972.16 21.18 15.663 0.012 AB
PanSTARRS_y 2280.5 18.29 15.505 0.009 AB
2MASS_J 3980.97 177.84 14.005 0.049 Vega
2MASS_H 5527.99 249.5 13.176 0.049 Vega
2MASS_K 5360.52 294.95 12.739 0.060 Vega
WISE_W1 2530.44 63.69 12.693 0.027 Vega
WISE_W2 1677.74 70.49 12.499 0.046 Vega
WISE_W3 5330.29 112.22 9.409 0.023 Vega
WISE_W4 5083.0 629.85 8.015 0.135 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})\, 10.195 10.312 10.466
{\rm log}_{10}({\rm SFR}) -1.566 -0.582 0.216
{\rm log}_{10}({\rm sSFR}) -11.930 -10.879 -10.062
{\rm stellar\ age} 6.114 7.672 11.058

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.524 -0.871 -0.489
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.695 -0.717 0.203

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.588 0.976 1.367
\delta -0.731 -0.424 -0.006
\tau_1/\tau_2 0.564 0.978 1.361
Q_{PAH} 0.505 1.845 4.365
U_{min} 2.916 8.224 15.443
{\rm log}_{10}(\gamma_e)\, -3.390 -1.878 -0.551

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.439 -1.223 -0.537
{\rm log}_{10}(\tau_{AGN})\, 0.954 1.430 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.209 -0.765 -0.226
0.03-0.10 Gyr -2.061 -0.636 0.299
0.10-0.33 Gyr -2.301 -0.631 0.247
0.33-1.07 Gyr -2.670 -0.645 0.191
1.07-3.52 Gyr -2.085 -0.125 0.426
3.52-11.55 Gyr -0.715 0.362 0.590
11.55-12.83 Gyr -0.279 0.614 1.491

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.831 10.921 11.013
{\rm log}_{10}({\rm SFR}) -0.445 0.487 1.091
{\rm log}_{10}({\rm sSFR}) -11.373 -10.363 -9.748
{\rm stellar\ age} 7.459 8.705 11.913

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.636 -0.336 -0.123
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.364 0.314 0.445

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.350 0.480 0.670
\delta -0.729 -0.364 0.251
\tau_1/\tau_2 0.523 0.913 1.315
Q_{PAH} 1.246 2.524 4.299
U_{min} 2.419 7.579 15.122
{\rm log}_{10}(\gamma_e)\, -3.303 -2.231 -1.230

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.697 -1.818 -1.410
{\rm log}_{10}(\tau_{AGN})\, 1.003 1.410 1.810

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.107 -0.237 0.361
0.03-0.10 Gyr -0.582 0.600 1.236
0.10-0.33 Gyr -2.536 -0.561 0.417
0.33-1.07 Gyr -3.883 -0.963 0.116
1.07-3.52 Gyr -2.450 -0.269 0.632
3.52-11.55 Gyr -0.353 0.948 1.169
11.55-12.83 Gyr 0.622 1.523 2.121