2026iv

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Information

Transient

Name: SN2026iv
Right ascension: 16h01m23.23s
Declination: 43d05m05.52s
Discovery Date: Jan. 9, 2026, 12:42 p.m.
Classification: SN Ia
Redshift: 0.068000
MW E(B-V): 0.015

Host

Name: 2212639
Right ascension: 16h01m23.28s
Declination: 43d05m06.25s
Redshift: None
Photometric Redshift: 0.060
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 0.92
Transient MWEBV processed 0.09
Host match processed 5.48
Host information processed 0.05
Host MWEBV processed 0.12
Global aperture construction processed 0.67
Global aperture photometry processed 5.13
Validate global photometry processed 15.88
Global host SED inference processed 426.69
Local aperture photometry failed 0.01
Validate local photometry not processed 0.02
Local host SED inference not processed 553.81
 

Cutout Download Report

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_i: DES_z: DES_Y:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 16h01m23.23s, 43d05m05.52s
semi major axis, semi minor axis (arcsec) = 1.72, 1.72
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 53.27 2.22 19.584 0.045 AB
SDSS_g 309.28 4.6 17.674 0.016 AB
PanSTARRS_g 322.72 0.64 17.628 0.002 AB
SDSS_r 703.24 6.92 16.782 0.011 AB
PanSTARRS_r 666.57 0.76 16.840 0.001 AB
SDSS_i 1025.88 8.38 16.372 0.009 AB
PanSTARRS_i 947.27 0.64 16.459 0.001 AB
PanSTARRS_z 1193.59 1.53 16.208 0.001 AB
SDSS_z 1362.57 10.53 16.064 0.008 AB
PanSTARRS_y 1405.07 3.25 16.031 0.003 AB

Aperture details

RA, DEC (J2000) = 16h01m23.37s, 43d05m05.81s
semi major axis, semi minor axis (arcsec) = 17.65, 8.95
angle (degrees, anti-clockwise from east) = -65.42

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 37.17 6.09 19.974 0.178 AB
GALEX_NUV 54.86 5.1 19.552 0.101 AB
SDSS_u 240.81 9.94 17.946 0.045 AB
SDSS_g 1606.58 11.35 15.885 0.008 AB
PanSTARRS_g 1790.36 3.67 15.768 0.002 AB
PanSTARRS_r 3673.44 4.02 14.987 0.001 AB
SDSS_i 5220.5 20.35 14.606 0.004 AB
PanSTARRS_z 6476.9 9.54 14.372 0.002 AB
SDSS_z 7014.81 38.73 14.285 0.006 AB
PanSTARRS_y 7883.56 22.98 14.158 0.003 AB
2MASS_H 11838.5 450.56 12.349 0.041 Vega
2MASS_K 9847.08 459.07 12.079 0.051 Vega
WISE_W2 3031.73 33.97 11.857 0.012 Vega
WISE_W3 3727.77 81.72 9.797 0.024 Vega
WISE_W4 4893.98 512.6 8.056 0.114 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.247 10.355 10.481
{\rm log}_{10}({\rm SFR}) -3.173 -1.426 -0.427
{\rm log}_{10}({\rm sSFR}) -13.545 -11.769 -10.763
{\rm stellar\ age} 6.397 7.745 11.223

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.192 -0.733 -0.517
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.587 -0.474 0.280

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.284 0.549 0.874
\delta -0.841 -0.600 -0.097
\tau_1/\tau_2 0.631 1.002 1.400
Q_{PAH} 0.611 2.107 4.817
U_{min} 2.587 8.456 16.042
{\rm log}_{10}(\gamma_e)\, -3.347 -1.413 -0.370

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.001 -1.975 -0.824
{\rm log}_{10}(\tau_{AGN})\, 1.003 1.474 1.907

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.821 -1.619 -0.700
0.03-0.10 Gyr -3.691 -1.487 -0.349
0.10-0.33 Gyr -3.398 -1.177 0.103
0.33-1.08 Gyr -3.112 -0.985 0.125
1.08-3.55 Gyr -2.276 -0.140 0.467
3.55-11.66 Gyr -0.532 0.429 0.651
11.66-12.95 Gyr -0.309 0.604 1.514

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.241 11.292 11.366
{\rm log}_{10}({\rm SFR}) -0.527 -0.162 0.118
{\rm log}_{10}({\rm sSFR}) -11.876 -11.468 -11.175
{\rm stellar\ age} 7.725 9.238 12.061

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.615 -0.393 -0.243
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.410 -0.700 -0.067

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.184 0.312 0.510
\delta -0.441 -0.117 0.133
\tau_1/\tau_2 0.325 0.745 1.204
Q_{PAH} 1.054 2.096 3.887
U_{min} 2.585 7.972 15.349
{\rm log}_{10}(\gamma_e)\, -3.152 -2.452 -1.702

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.626 -3.992 -3.032
{\rm log}_{10}(\tau_{AGN})\, 1.084 1.620 1.955

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.531 -0.109 0.167
0.03-0.10 Gyr -1.398 -0.243 0.161
0.10-0.33 Gyr -1.675 -0.156 0.328
0.33-1.08 Gyr -1.612 -0.151 0.452
1.08-3.53 Gyr -1.547 0.071 0.830
3.53-11.57 Gyr -0.154 1.349 1.524
11.57-12.85 Gyr 1.366 2.012 2.490