2025vll

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Information

Transient

Name: SN2025vll
Right ascension: 0h27m44.24s
Declination: 28d44m07.59s
Discovery Date: Aug. 25, 2025, 9:55 p.m.
Classification: SN Ia
Redshift: 0.075000
MW E(B-V): 0.034

Host

Name:
Right ascension: 0h27m44.06s
Declination: 28d44m07.55s
Redshift: None
Photometric Redshift: 0.088
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 40.62
Transient MWEBV processed 0.09
Host match processed 6.93
Host information processed 0.19
Host MWEBV processed 0.06
Global aperture construction processed 0.69
Global aperture photometry processed 6.31
Validate global photometry processed 16.7
Global host SED inference processed 390.58
Local aperture photometry processed 7.46
Validate local photometry processed 0.03
Local host SED inference processed 461.72
 

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) = 0h27m44.24s, 28d44m07.59s
semi major axis, semi minor axis (arcsec) = 1.41, 1.41
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 13.34 0.23 21.087 0.019 AB
PanSTARRS_g 12.2 0.28 21.184 0.025 AB
SDSS_r 19.16 1.37 20.694 0.078 AB
PanSTARRS_r 18.9 0.34 20.709 0.019 AB
DES_r 22.49 0.44 20.520 0.021 AB
SDSS_i 28.5 1.76 20.263 0.067 AB
PanSTARRS_i 25.22 0.48 20.396 0.021 AB
PanSTARRS_z 28.09 0.91 20.279 0.035 AB
SDSS_z 28.2 4.34 20.274 0.167 AB
DES_z 31.75 1.57 20.146 0.054 AB
PanSTARRS_y 32.95 2.36 20.105 0.078 AB

Aperture details

RA, DEC (J2000) = 0h27m44.04s, 28d44m07.73s
semi major axis, semi minor axis (arcsec) = 9.64, 6.27
angle (degrees, anti-clockwise from east) = -61.7

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 28.22 9.57 20.274 0.368 AB
SDSS_g 141.1 4.19 18.526 0.032 AB
DES_g 151.76 0.88 18.447 0.006 AB
PanSTARRS_g 152.0 1.5 18.445 0.011 AB
SDSS_r 228.58 5.9 18.002 0.028 AB
PanSTARRS_r 217.88 1.82 18.054 0.009 AB
DES_r 251.93 1.62 17.897 0.007 AB
SDSS_i 318.94 7.75 17.641 0.026 AB
PanSTARRS_i 304.28 2.64 17.692 0.009 AB
PanSTARRS_z 341.39 4.95 17.567 0.016 AB
SDSS_z 397.89 23.45 17.401 0.064 AB
DES_z 361.33 5.71 17.505 0.017 AB
PanSTARRS_y 355.11 12.96 17.524 0.040 AB
2MASS_J 784.65 193.38 15.768 0.268 Vega
2MASS_H 363.85 308.85 16.130 0.922 Vega
2MASS_K -97.07 304.18 Vega
WISE_W1 228.3 12.76 15.305 0.061 Vega
WISE_W2 113.21 17.62 15.426 0.169 Vega
WISE_W3 367.31 85.74 12.313 0.253 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})\, 8.474 8.642 8.787
{\rm log}_{10}({\rm SFR}) -1.928 -1.255 -0.614
{\rm log}_{10}({\rm sSFR}) -10.616 -9.914 -9.155
{\rm stellar\ age} 1.721 4.874 6.823

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.530 -0.884 -0.236
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.653 -0.665 0.207

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.227 0.532 0.987
\delta -0.606 -0.259 0.089
\tau_1/\tau_2 0.715 1.089 1.458
Q_{PAH} 1.165 2.923 5.305
U_{min} 2.954 7.875 14.649
{\rm log}_{10}(\gamma_e)\, -2.835 -1.753 -0.619

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.241 -0.396 0.116
{\rm log}_{10}(\tau_{AGN})\, 1.163 1.583 1.971

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.225 -1.479 -0.926
0.03-0.10 Gyr -2.117 -1.248 -0.525
0.10-0.33 Gyr -1.828 -1.047 -0.406
0.33-1.07 Gyr -1.785 -1.029 -0.596
1.07-3.51 Gyr -2.191 -1.232 -0.951
3.51-11.49 Gyr -2.796 -1.462 -1.103
11.49-12.77 Gyr -2.866 -1.532 -0.957

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.713 9.823 9.918
{\rm log}_{10}({\rm SFR}) -1.033 -0.639 -0.256
{\rm log}_{10}({\rm sSFR}) -10.863 -10.477 -10.046
{\rm stellar\ age} 5.047 6.556 7.752

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.393 -1.055 -0.766
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.683 -1.208 -0.266

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.176 0.295 0.456
\delta -0.613 -0.197 0.174
\tau_1/\tau_2 0.654 0.965 1.288
Q_{PAH} 0.957 2.172 3.926
U_{min} 2.770 7.662 14.871
{\rm log}_{10}(\gamma_e)\, -2.716 -1.649 -0.596

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.072 -2.917 -1.957
{\rm log}_{10}(\tau_{AGN})\, 0.988 1.471 1.888

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.829 -0.610 -0.429
0.03-0.10 Gyr -1.322 -0.662 -0.177
0.10-0.33 Gyr -1.154 -0.443 0.008
0.33-1.07 Gyr -0.829 -0.265 0.044
1.07-3.51 Gyr -0.422 -0.056 0.175
3.51-11.49 Gyr -0.427 -0.082 0.102
11.49-12.77 Gyr -0.785 -0.107 0.393