2026chn results

Information

Transient
Name:SN2026chn
Right ascension: 7h53m58.28s
Declination:-2d11m18.96s
Discovery Date:Feb. 6, 2026, 7:05 a.m.
Classification:SN Ia
Redshift:0.081000
MW E(B-V):0.032
Host
Name:
Right ascension: 7h53m58.24s
Declination:-2d11m20.20s
Redshift:None
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_z
GALEX_NUV
GALEX_FUV
DES_g
DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 16.44
Transient MWEBV processed 0.13
Host match processed 6.9
Host information processed 0.11
Host MWEBV processed 0.14
Global aperture construction processed 2.76
Global aperture photometry processed 5.34
Validate global photometry processed 15.93
Global host SED inference processed 445.27
Local aperture photometry processed 4.88
Validate local photometry processed 0.02
Local host SED inference processed 577.19
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):7h53m58.28s, -2d11m18.96s
semi major axis, semi minor axis (arcsec):1.31, 1.31
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 3.15 0.32 22.653 0.112 AB
PanSTARRS_r 3.99 0.48 22.399 0.130 AB
SDSS_i 3.63 1.18 22.499 0.353 AB
PanSTARRS_i 4.75 0.48 22.208 0.109 AB
PanSTARRS_z 5.92 1.01 21.968 0.185 AB
SDSS_z 4.63 4.06 22.236 0.951 AB
DES_z 6.5 1.18 21.868 0.197 AB
PanSTARRS_y 9.81 2.33 21.421 0.258 AB

Aperture details

RA, DEC (J2000):7h53m58.22s, -2d11m20.03s
semi major axis, semi minor axis (arcsec):3.88, 2.41
angle (degrees, anti-clockwise from east):-134.93
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 6.22 2.39 21.916 0.418 AB
SDSS_g 7.61 1.5 21.696 0.214 AB
PanSTARRS_g 8.21 0.75 21.615 0.100 AB
SDSS_r 11.92 2.01 21.209 0.183 AB
PanSTARRS_r 9.31 1.09 21.477 0.127 AB
SDSS_i 11.79 2.69 21.222 0.248 AB
PanSTARRS_i 15.25 1.08 20.942 0.077 AB
PanSTARRS_z 18.67 2.28 20.722 0.132 AB
SDSS_z 7.29 9.42 21.743 1.403 AB
DES_z 20.08 2.39 20.643 0.129 AB
PanSTARRS_y 5.9 5.21 21.972 0.958 AB
2MASS_J 33.98 98.51 19.177 3.148 Vega
2MASS_H 285.3 158.0 16.394 0.601 Vega
2MASS_K -395.02 193.56 Vega
WISE_W1 38.68 16.0 17.232 0.449 Vega
WISE_W2 26.1 17.72 17.020 0.737 Vega
WISE_W3 -6.33 57.39 Vega
WISE_W4 572.99 431.61 10.385 0.818 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.664 8.042 8.301
{\rm log}_{10}({\rm SFR}) -1.907 -1.206 -0.592
{\rm log}_{10}({\rm sSFR}) -10.091 -9.263 -8.271
{\rm stellar\ age} 0.356 4.065 6.495

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.158 -0.279 0.076
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.403 -0.636 0.064

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.545 1.034 1.598
\delta -0.208 0.103 0.300
\tau_1/\tau_2 0.639 1.047 1.486
Q_{PAH} 1.188 3.025 5.302
U_{min} 3.069 8.343 16.035
{\rm log}_{10}(\gamma_e)\, -2.789 -1.732 -0.656

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.474 0.007 0.355
{\rm log}_{10}(\tau_{AGN})\, 1.229 1.523 1.854

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.339 -1.389 -0.728
0.03-0.10 Gyr -2.156 -1.292 -0.540
0.10-0.33 Gyr -2.263 -1.433 -0.840
0.33-1.07 Gyr -3.319 -1.717 -1.261
1.07-3.49 Gyr -4.591 -2.065 -1.567
3.49-11.42 Gyr -5.212 -2.250 -1.635
11.42-12.69 Gyr -5.172 -2.281 -1.500

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.323 8.639 8.858
{\rm log}_{10}({\rm SFR}) -1.741 -0.822 -0.105
{\rm log}_{10}({\rm sSFR}) -10.472 -9.498 -8.520
{\rm stellar\ age} 0.727 5.258 7.629

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.421 -0.627 -0.053
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.289 -0.670 -0.162

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.434 1.007 1.532
\delta -0.225 0.071 0.279
\tau_1/\tau_2 0.635 1.022 1.433
Q_{PAH} 1.136 2.762 4.737
U_{min} 3.273 9.150 17.248
{\rm log}_{10}(\gamma_e)\, -2.768 -1.515 -0.482

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.993 -0.882 0.025
{\rm log}_{10}(\tau_{AGN})\, 1.085 1.487 1.834

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.209 -1.147 -0.569
0.03-0.10 Gyr -1.835 -0.821 0.024
0.10-0.33 Gyr -2.319 -1.095 -0.398
0.33-1.07 Gyr -3.313 -1.453 -0.800
1.07-3.49 Gyr -3.595 -1.517 -1.067
3.49-11.42 Gyr -3.861 -1.546 -1.074
11.42-12.69 Gyr -3.974 -1.487 -0.695