2025xxi

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Information

Transient

Name: SN2025xxi
Right ascension: 21h16m01.36s
Declination: -58d38m03.67s
Discovery Date: Sept. 16, 2025, 2:56 a.m.
Classification: SN II
Redshift: 0.034500
MW E(B-V): 0.028

Host

Name:
Right ascension: 21h16m01.69s
Declination: -58d38m07.12s
Redshift: None
Photometric Redshift: 0.017
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 2.79
Transient MWEBV processed 0.08
Host match processed 8.18
Host information processed 0.07
Host MWEBV processed 0.04
Global aperture construction processed 0.29
Global aperture photometry processed 0.81
Validate global photometry processed 0.94
Global host SED inference processed 461.59
Local aperture photometry processed 0.84
Validate local photometry processed 0.01
Local host SED inference not enough filters 20.89
 

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) = 21h16m01.36s, -58d38m03.67s
semi major axis, semi minor axis (arcsec) = 2.91, 2.91
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
2MASS_J 365.7 83.29 16.597 0.247 Vega
2MASS_H 410.76 129.17 15.998 0.341 Vega
2MASS_K 384.93 134.62 15.599 0.380 Vega

Aperture details

RA, DEC (J2000) = 21h16m01.73s, -58d38m07.07s
semi major axis, semi minor axis (arcsec) = 21.54, 8.95
angle (degrees, anti-clockwise from east) = -55.97

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 193.02 9.67 18.186 0.054 AB
GALEX_NUV 276.91 6.73 17.794 0.026 AB
2MASS_J 1858.49 397.0 14.832 0.232 Vega
2MASS_H 2781.06 615.35 13.922 0.240 Vega
2MASS_K 1984.28 642.61 13.818 0.352 Vega
WISE_W1 1089.95 26.39 13.607 0.026 Vega
WISE_W2 680.8 31.91 13.478 0.051 Vega
WISE_W3 2375.68 137.98 10.287 0.063 Vega
WISE_W4 1089.2 718.72 9.687 0.716 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.272 9.580 9.842
{\rm log}_{10}({\rm SFR}) -0.234 0.161 0.572
{\rm log}_{10}({\rm sSFR}) -9.955 -9.449 -8.871
{\rm stellar\ age} 2.054 6.339 8.666

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.016 -0.421 -0.030
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.724 -0.698 0.085

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.102 0.212 0.359
\delta -0.626 -0.199 0.163
\tau_1/\tau_2 0.288 0.693 1.145
Q_{PAH} 0.299 0.912 2.402
U_{min} 2.610 7.611 14.435
{\rm log}_{10}(\gamma_e)\, -3.611 -2.851 -1.657

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.204 -3.120 -2.077
{\rm log}_{10}(\tau_{AGN})\, 0.946 1.409 1.885

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.806 0.027 0.312
0.03-0.10 Gyr -0.591 0.165 0.714
0.10-0.33 Gyr -1.321 -0.237 0.339
0.33-1.09 Gyr -1.841 -0.551 0.025
1.09-3.62 Gyr -1.958 -0.573 -0.155
3.62-11.96 Gyr -1.886 -0.484 -0.040
11.96-13.29 Gyr -1.981 -0.408 0.425