2026aagh results

Information

Transient
Name:SN2026aagh
Right ascension: 21h20m26.99s
Declination:2d10m41.58s
Discovery Date:Sept. 1, 2026, 7:06 a.m.
Classification:SN Ia
Redshift:0.047000
MW E(B-V):0.051
Host
Name:J212026.87+021043.80
Object ID:9906622350494877
Catalog Name:decals
Catalog Release:dr9
Right ascension: 21h20m26.87s
Declination:2d10m43.80s
Redshift:None
Photometric Redshift:0.065
 
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 21.16
Transient MWEBV processed 0.2
Host match processed 6.78
Host information processed 0.05
Host MWEBV processed 0.17
Host spectrum download processed 0.12
Global aperture construction processed 0.7
Global aperture photometry processed 7.18
Validate global photometry processed 20.14
Global host SED inference processed 340.8
Local aperture photometry processed 6.76
Validate local photometry processed 0.03
Local host SED inference processed 383.46
 

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})\, 8.067 8.298 8.424
{\rm log}_{10}({\rm SFR}) -1.947 -1.331 -0.637
{\rm log}_{10}({\rm sSFR}) -10.325 -9.664 -8.774
{\rm stellar\ age} 2.447 6.378 7.698

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.624 -1.011 -0.352
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.588 -0.476 0.262

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.165 0.608 1.226
\delta -0.446 -0.066 0.253
\tau_1/\tau_2 0.660 0.986 1.303
Q_{PAH} 0.788 2.197 4.062
U_{min} 2.909 8.403 15.995
{\rm log}_{10}(\gamma_e)\, -2.826 -1.759 -0.682

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.259 -2.150 -0.240
{\rm log}_{10}(\tau_{AGN})\, 0.980 1.363 1.897

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.111 -1.383 -0.712
0.03-0.10 Gyr -2.100 -1.437 -0.655
0.10-0.33 Gyr -2.431 -1.757 -1.163
0.33-1.09 Gyr -2.533 -1.836 -1.421
1.09-3.58 Gyr -2.536 -1.710 -1.423
3.58-11.81 Gyr -2.736 -1.659 -1.429
11.81-13.13 Gyr -2.968 -1.733 -1.220

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.928 9.033 9.132
{\rm log}_{10}({\rm SFR}) -1.401 -1.018 -0.635
{\rm log}_{10}({\rm sSFR}) -10.485 -10.066 -9.611
{\rm stellar\ age} 5.498 6.818 7.840

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.752 -1.372 -0.902
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.490 -0.303 0.292

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.278 0.478 0.689
\delta -0.522 -0.268 -0.018
\tau_1/\tau_2 0.657 0.951 1.228
Q_{PAH} 1.003 2.484 4.474
U_{min} 2.804 7.639 14.600
{\rm log}_{10}(\gamma_e)\, -3.139 -2.227 -1.138

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.203 -2.872 -1.613
{\rm log}_{10}(\tau_{AGN})\, 0.922 1.327 1.808

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.467 -0.997 -0.674
0.03-0.10 Gyr -1.490 -1.055 -0.597
0.10-0.33 Gyr -1.595 -1.190 -0.787
0.33-1.09 Gyr -1.513 -1.114 -0.816
1.09-3.58 Gyr -1.198 -0.897 -0.681
3.58-11.81 Gyr -1.142 -0.855 -0.695
11.81-13.13 Gyr -1.428 -0.903 -0.461
 

Aperture Photometry


Aperture details

RA, DEC (J2000):21h20m26.99s, 2d10m41.58s
semi major axis, semi minor axis (arcsec):2.17, 2.17
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 8.62 1.86 21.561 0.234 AB
SDSS_g 10.22 1.0 21.376 0.106 AB
DES_g 11.8 0.19 21.220 0.017 AB
PanSTARRS_g 11.8 0.49 21.220 0.045 AB
SDSS_r 19.45 1.5 20.678 0.084 AB
PanSTARRS_r 18.57 0.54 20.728 0.031 AB
DES_r 20.74 0.34 20.608 0.018 AB
SDSS_i 25.44 2.04 20.386 0.087 AB
PanSTARRS_i 21.93 0.48 20.547 0.024 AB
PanSTARRS_z 25.34 1.51 20.390 0.065 AB
SDSS_z 23.36 6.89 20.479 0.320 AB
DES_z 30.83 1.06 20.177 0.037 AB
PanSTARRS_y 32.01 4.11 20.137 0.139 AB

Aperture details

RA, DEC (J2000):21h20m26.89s, 2d10m43.99s
semi major axis, semi minor axis (arcsec):5.01, 4.51
angle (degrees, anti-clockwise from east):326.78
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.36 0.57 22.584 0.184 AB
GALEX_NUV 4.67 0.48 22.226 0.112 AB
SDSS_u 33.65 4.09 20.082 0.132 AB
SDSS_g 52.86 2.26 19.592 0.046 AB
DES_g 56.67 0.41 19.517 0.008 AB
PanSTARRS_g 63.22 1.08 19.398 0.018 AB
SDSS_r 93.16 3.27 18.977 0.038 AB
PanSTARRS_r 95.65 1.18 18.948 0.013 AB
DES_r 101.03 0.74 18.889 0.008 AB
SDSS_i 120.09 4.45 18.701 0.040 AB
PanSTARRS_i 117.86 1.05 18.722 0.010 AB
PanSTARRS_z 129.26 3.28 18.621 0.028 AB
SDSS_z 115.8 15.02 18.741 0.141 AB
DES_z 141.84 2.26 18.520 0.017 AB
PanSTARRS_y 140.78 8.85 18.529 0.068 AB
2MASS_J 140.9 130.79 17.633 1.008 Vega
2MASS_H 106.62 215.99 17.463 2.199 Vega
2MASS_K 31.27 222.9 18.324 7.738 Vega
WISE_W1 112.05 11.33 16.077 0.110 Vega
WISE_W2 77.29 15.15 15.841 0.213 Vega
WISE_W3 12.69 54.39 15.968 4.654 Vega
WISE_W4 453.25 399.27 10.639 0.956 Vega