2026vcu results

Information

Transient
Name:SN2026vcu
Right ascension: 21h27m15.78s
Declination:3d47m52.77s
Discovery Date:July 17, 2026, 7:57 a.m.
Classification:SN IIn
Redshift:0.062000
MW E(B-V):0.055
Host
Name:J212715.98+034744.11
Object ID:9906622916791769
Catalog Name:decals
Catalog Release:dr9
Right ascension: 21h27m15.98s
Declination:3d47m44.11s
Redshift:None
Photometric Redshift:0.048
 

Cutout Download Report

Downloadable 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 21.53
Transient MWEBV processed 0.04
Host match processed 5.93
Host information processed 0.22
Host MWEBV processed 0.07
Host spectrum download not processed None
Global aperture construction processed 0.74
Global aperture photometry processed 7.02
Validate global photometry processed 20.55
Global host SED inference processed 377.98
Local aperture photometry processed 6.63
Validate local photometry processed 0.03
Local host SED inference processed 422.35
 

Imaging data

 

Spectral Energy Distribution

 

Host Galaxy Spectrum

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.865 8.999 9.130
{\rm log}_{10}({\rm SFR}) -1.701 -1.056 -0.457
{\rm log}_{10}({\rm sSFR}) -10.753 -10.068 -9.410
{\rm stellar\ age} 4.079 6.425 7.719

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.654 -1.044 -0.417
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.615 -0.213 0.296

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.305 0.704 1.114
\delta -0.440 -0.028 0.257
\tau_1/\tau_2 0.717 1.037 1.356
Q_{PAH} 1.009 2.891 5.286
U_{min} 2.933 7.755 14.857
{\rm log}_{10}(\gamma_e)\, -2.896 -1.878 -0.750

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.040 -1.124 -0.335
{\rm log}_{10}(\tau_{AGN})\, 0.995 1.425 1.847

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.856 -1.358 -0.907
0.03-0.10 Gyr -1.787 -1.039 -0.323
0.10-0.33 Gyr -1.595 -0.946 -0.415
0.33-1.08 Gyr -1.662 -0.986 -0.541
1.08-3.54 Gyr -1.429 -0.935 -0.662
3.54-11.64 Gyr -1.440 -0.943 -0.735
11.64-12.93 Gyr -1.730 -0.978 -0.446

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.769 10.827 10.943
{\rm log}_{10}({\rm SFR}) 0.073 0.525 0.888
{\rm log}_{10}({\rm sSFR}) -10.771 -10.298 -9.952
{\rm stellar\ age} 7.512 8.392 11.704

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.958 -0.642 -0.436
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.119 0.204 0.412

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.260 0.371 0.525
\delta -0.450 -0.162 0.124
\tau_1/\tau_2 0.495 0.906 1.293
Q_{PAH} 1.722 2.965 4.489
U_{min} 2.790 8.620 16.551
{\rm log}_{10}(\gamma_e)\, -2.690 -1.865 -1.139

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.104 -2.956 -2.024
{\rm log}_{10}(\tau_{AGN})\, 1.102 1.637 1.989

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.553 -0.532 -0.005
0.03-0.10 Gyr 0.159 0.670 1.048
0.10-0.33 Gyr -1.171 0.312 0.683
0.33-1.08 Gyr -2.758 -0.186 0.321
1.08-3.54 Gyr -2.378 -0.102 0.499
3.54-11.64 Gyr 0.005 0.950 1.099
11.64-12.93 Gyr 0.492 1.317 2.033
 

Aperture Photometry


Aperture details

RA, DEC (J2000):21h27m15.78s, 3d47m52.77s
semi major axis, semi minor axis (arcsec):1.67, 1.67
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 9.06 1.88 21.507 0.225 AB
SDSS_g 23.45 1.33 20.475 0.062 AB
DES_g 24.82 0.28 20.413 0.012 AB
PanSTARRS_g 25.39 0.41 20.389 0.017 AB
SDSS_r 40.69 1.86 19.876 0.050 AB
PanSTARRS_r 42.0 0.56 19.842 0.014 AB
DES_r 43.8 0.67 19.796 0.017 AB
SDSS_i 57.85 2.36 19.494 0.044 AB
PanSTARRS_i 57.73 0.44 19.497 0.008 AB
PanSTARRS_z 62.88 1.22 19.404 0.021 AB
SDSS_z 73.97 7.19 19.227 0.106 AB
DES_z 69.36 1.7 19.297 0.027 AB
PanSTARRS_y 77.9 3.46 19.171 0.048 AB

Aperture details

RA, DEC (J2000):21h27m15.95s, 3d47m44.87s
semi major axis, semi minor axis (arcsec):20.66, 9.31
angle (degrees, anti-clockwise from east):323.59
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 43.42 1.57 19.806 0.039 AB
GALEX_NUV 62.83 1.23 19.405 0.021 AB
SDSS_u 282.09 15.01 17.774 0.058 AB
SDSS_g 893.96 8.72 16.522 0.011 AB
DES_g 987.84 1.81 16.413 0.002 AB
PanSTARRS_g 990.47 3.35 16.410 0.004 AB
SDSS_r 1779.92 13.07 15.774 0.008 AB
PanSTARRS_r 1876.45 4.52 15.717 0.003 AB
DES_r 1976.64 4.63 15.660 0.003 AB
SDSS_i 2593.87 17.21 15.365 0.007 AB
PanSTARRS_i 2610.38 3.6 15.358 0.001 AB
PanSTARRS_z 3174.4 10.06 15.146 0.003 AB
SDSS_z 3760.09 59.06 14.962 0.017 AB
DES_z 3393.92 12.15 15.073 0.004 AB
PanSTARRS_y 3711.87 28.46 14.976 0.008 AB
2MASS_J 4751.34 329.38 13.813 0.075 Vega
2MASS_H 5906.65 523.22 13.104 0.096 Vega
2MASS_K 5063.85 576.2 12.801 0.124 Vega
WISE_W1 2658.97 36.88 12.639 0.015 Vega
WISE_W2 1568.08 46.12 12.573 0.032 Vega
WISE_W3 5343.07 168.62 9.407 0.034 Vega
WISE_W4 5619.92 1021.18 7.906 0.197 Vega