2025vsh results

Information

Transient
Name:AT2025vsh
Right ascension: 1h49m22.63s
Declination:8d26m21.95s
Discovery Date:Aug. 23, 2025, 8:31 p.m.
Classification:None
Redshift:None
MW E(B-V):0.077
Host
Name:
Right ascension: 1h49m22.55s
Declination:8d26m18.51s
Redshift:None
Photometric Redshift:0.052
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 19.21
Transient MWEBV processed 0.04
Host match processed 6.01
Host information processed 0.13
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 6.62
Validate global photometry processed 17.73
Global host SED inference processed 619.25
Local aperture photometry processed 7.01
Validate local photometry processed 0.03
Local host SED inference processed 466.97
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):1h49m22.63s, 8d26m21.95s
semi major axis, semi minor axis (arcsec):1.96, 1.96
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 17.93 2.56 20.766 0.155 AB
SDSS_g 49.64 1.93 19.660 0.042 AB
DES_g 48.97 0.35 19.675 0.008 AB
PanSTARRS_g 55.73 0.56 19.535 0.011 AB
SDSS_r 75.03 2.53 19.212 0.037 AB
PanSTARRS_r 85.15 0.66 19.075 0.008 AB
DES_r 83.33 0.74 19.098 0.010 AB
SDSS_i 111.98 3.36 18.777 0.033 AB
PanSTARRS_i 111.85 0.6 18.778 0.006 AB
PanSTARRS_z 132.58 1.2 18.594 0.010 AB
SDSS_z 116.67 7.44 18.733 0.069 AB
DES_z 119.78 1.94 18.704 0.018 AB
PanSTARRS_y 140.59 3.49 18.530 0.027 AB

Aperture details

RA, DEC (J2000):1h49m22.54s, 8d26m18.83s
semi major axis, semi minor axis (arcsec):11.81, 5.96
angle (degrees, anti-clockwise from east):-135.51
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 39.93 6.2 19.897 0.168 AB
GALEX_NUV 32.77 1.04 20.111 0.034 AB
SDSS_u 108.69 10.54 18.810 0.105 AB
SDSS_g 369.44 5.7 17.481 0.017 AB
DES_g 336.48 0.99 17.583 0.003 AB
PanSTARRS_g 370.55 2.31 17.478 0.007 AB
SDSS_r 569.39 8.04 17.011 0.015 AB
PanSTARRS_r 574.74 2.7 17.001 0.005 AB
DES_r 594.35 2.08 16.965 0.004 AB
SDSS_i 802.54 11.18 16.639 0.015 AB
PanSTARRS_i 803.41 2.51 16.638 0.003 AB
PanSTARRS_z 964.15 5.02 16.440 0.006 AB
SDSS_z 905.52 30.78 16.508 0.037 AB
DES_z 893.28 5.52 16.523 0.007 AB
PanSTARRS_y 1036.57 14.82 16.361 0.016 AB
2MASS_J 1268.56 200.21 15.247 0.171 Vega
2MASS_H 1590.31 285.38 14.529 0.195 Vega
2MASS_K 787.51 381.81 14.822 0.526 Vega
WISE_W1 588.27 19.43 14.277 0.036 Vega
WISE_W2 348.27 23.57 14.206 0.073 Vega
WISE_W3 1139.83 92.39 11.084 0.088 Vega
WISE_W4 -34.57 444.02 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.076 9.190 9.287
{\rm log}_{10}({\rm SFR}) -1.734 -1.057 -0.576
{\rm log}_{10}({\rm sSFR}) -10.876 -10.232 -9.734
{\rm stellar\ age} 5.291 7.173 8.675

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.754 -1.356 -0.924
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.725 -1.179 -0.178

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.189 0.529 0.872
\delta -0.370 0.066 0.312
\tau_1/\tau_2 0.695 1.051 1.397
Q_{PAH} 0.753 2.688 5.286
U_{min} 3.124 8.342 15.152
{\rm log}_{10}(\gamma_e)\, -3.062 -1.667 -0.578

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.415 -1.043 -0.394
{\rm log}_{10}(\tau_{AGN})\, 0.997 1.421 1.877

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.128 -1.459 -1.019
0.03-0.10 Gyr -1.818 -0.994 -0.460
0.10-0.33 Gyr -1.513 -0.863 -0.416
0.33-1.08 Gyr -1.663 -1.005 -0.537
1.08-3.57 Gyr -1.587 -0.922 -0.601
3.57-11.75 Gyr -1.146 -0.709 -0.548
11.75-13.06 Gyr -1.263 -0.633 -0.089

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.024 10.099 10.205
{\rm log}_{10}({\rm SFR}) -0.506 -0.173 0.141
{\rm log}_{10}({\rm sSFR}) -10.598 -10.274 -9.955
{\rm stellar\ age} 7.443 8.185 11.579

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.441 -1.106 -0.844
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.703 -0.665 0.216

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.139 0.243 0.372
\delta 0.140 0.289 0.371
\tau_1/\tau_2 0.432 0.882 1.344
Q_{PAH} 0.992 2.439 4.562
U_{min} 2.911 8.550 16.515
{\rm log}_{10}(\gamma_e)\, -3.040 -1.857 -1.013

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.817 -2.656 -1.795
{\rm log}_{10}(\tau_{AGN})\, 1.183 1.677 1.998

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.590 -1.058 -0.667
0.03-0.10 Gyr -0.426 -0.035 0.300
0.10-0.33 Gyr -1.925 -0.445 -0.075
0.33-1.08 Gyr -2.395 -0.689 -0.272
1.08-3.57 Gyr -2.515 -0.678 -0.128
3.57-11.75 Gyr -0.614 0.225 0.369
11.75-13.06 Gyr -0.390 0.499 1.290