2025qcu results

Information

Transient
Name:SN2025qcu
Right ascension: 21h55m13.83s
Declination:23d38m22.69s
Discovery Date:July 1, 2025, 11:33 a.m.
Classification:SN Ia
Redshift:0.064000
MW E(B-V):0.056
Host
Name:
Right ascension: 21h55m13.54s
Declination:23d38m23.66s
Redshift:None
Photometric Redshift:0.046
 

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 47.78
Transient MWEBV processed 0.09
Host match processed 8.49
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.7
Global aperture photometry processed 5.8
Validate global photometry processed 17.67
Global host SED inference processed 637.76
Local aperture photometry processed 6.46
Validate local photometry processed 0.03
Local host SED inference processed 603.33
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):21h55m13.83s, 23d38m22.69s
semi major axis, semi minor axis (arcsec):1.63, 1.63
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 1.71 1.75 23.315 1.106 AB
SDSS_g 2.76 0.64 22.796 0.252 AB
DES_g 2.59 0.13 22.868 0.055 AB
PanSTARRS_g 1.77 0.39 23.277 0.242 AB
SDSS_r 2.05 1.08 23.118 0.571 AB
PanSTARRS_r 2.2 0.43 23.046 0.210 AB
DES_r 3.26 0.25 22.616 0.084 AB
SDSS_i 1.18 1.94 23.724 1.792 AB
PanSTARRS_i 3.13 0.48 22.660 0.166 AB
PanSTARRS_z 3.86 1.33 22.434 0.373 AB
SDSS_z -2.65 6.75 AB
DES_z 3.06 0.63 22.684 0.225 AB
PanSTARRS_y -0.27 2.91 AB

Aperture details

RA, DEC (J2000):21h55m13.52s, 23d38m23.89s
semi major axis, semi minor axis (arcsec):5.08, 2.71
angle (degrees, anti-clockwise from east):-83.44
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.5 2.33 21.576 0.297 AB
GALEX_NUV 5.68 1.61 22.014 0.308 AB
SDSS_u 4.52 4.06 22.261 0.974 AB
SDSS_g 42.22 1.99 19.836 0.051 AB
DES_g 43.86 0.39 19.795 0.010 AB
PanSTARRS_g 43.1 0.92 19.814 0.023 AB
SDSS_r 59.3 3.02 19.467 0.055 AB
PanSTARRS_r 63.7 0.97 19.390 0.017 AB
DES_r 68.47 0.82 19.311 0.013 AB
SDSS_i 68.2 4.76 19.316 0.076 AB
PanSTARRS_i 73.4 1.07 19.236 0.016 AB
PanSTARRS_z 88.59 2.96 19.032 0.036 AB
SDSS_z 91.27 15.56 18.999 0.185 AB
DES_z 84.38 2.2 19.084 0.028 AB
PanSTARRS_y 75.52 6.46 19.205 0.093 AB
2MASS_J 96.66 124.56 18.042 1.399 Vega
2MASS_H -356.3 193.36 Vega
2MASS_K 159.8 199.09 16.553 1.353 Vega
WISE_W1 39.87 16.91 17.199 0.460 Vega
WISE_W2 13.43 14.6 17.740 1.180 Vega
WISE_W3 -10.61 48.32 Vega
WISE_W4 -344.42 345.41 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.100 7.498 7.767
{\rm log}_{10}({\rm SFR}) -1.806 -1.420 -0.927
{\rm log}_{10}({\rm sSFR}) -9.467 -8.811 -8.025
{\rm stellar\ age} 0.205 3.216 6.135

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.333 -0.533 -0.008
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.315 -0.860 -0.276

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.538 0.880 1.431
\delta -0.151 0.145 0.323
\tau_1/\tau_2 0.720 1.123 1.558
Q_{PAH} 1.529 3.732 5.937
U_{min} 3.063 8.494 16.100
{\rm log}_{10}(\gamma_e)\, -2.876 -1.742 -0.691

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.749 0.091 0.369
{\rm log}_{10}(\tau_{AGN})\, 1.037 1.476 1.943

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.786 -1.443 -0.958
0.03-0.10 Gyr -2.139 -1.509 -0.911
0.10-0.33 Gyr -2.788 -1.836 -1.305
0.33-1.08 Gyr -4.366 -2.277 -1.777
1.08-3.54 Gyr -5.394 -2.791 -2.145
3.54-11.62 Gyr -6.005 -2.961 -2.250
11.62-12.91 Gyr -5.857 -3.004 -2.137

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.855 8.979 9.123
{\rm log}_{10}({\rm SFR}) -1.422 -0.956 -0.520
{\rm log}_{10}({\rm sSFR}) -10.435 -9.973 -9.494
{\rm stellar\ age} 2.558 5.343 6.994

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.651 -1.106 -0.530
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.825 -1.349 0.107

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.055 0.352 0.780
\delta -0.132 0.219 0.352
\tau_1/\tau_2 0.601 1.005 1.439
Q_{PAH} 2.138 4.124 5.930
U_{min} 3.672 9.313 16.452
{\rm log}_{10}(\gamma_e)\, -2.531 -1.234 -0.328

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.359 -1.149 -0.352
{\rm log}_{10}(\tau_{AGN})\, 1.090 1.562 1.963

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.908 -1.321 -0.879
0.03-0.10 Gyr -1.477 -0.899 -0.414
0.10-0.33 Gyr -1.029 -0.572 -0.102
0.33-1.08 Gyr -1.112 -0.645 -0.323
1.08-3.54 Gyr -1.340 -0.866 -0.619
3.54-11.62 Gyr -1.982 -1.091 -0.813
11.62-12.91 Gyr -2.131 -1.076 -0.566