2025whv

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Information

Transient

Name: SN2025whv
Right ascension: 23h20m30.54s
Declination: 12d14m30.25s
Discovery Date: Aug. 28, 2025, 11:50 p.m.
Classification: SLSN-I
Redshift: 0.110000
MW E(B-V): 0.052

Host

Name:
Right ascension: 23h20m30.53s
Declination: 12d14m29.97s
Redshift: None
Photometric Redshift: 0.557
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 24.11
Transient MWEBV processed 0.04
Host match processed 6.99
Host information processed 0.17
Host MWEBV processed 0.05
Global aperture construction processed 7.98
Global aperture photometry processed 4.98
Validate global photometry processed 14.98
Global host SED inference processed 557.41
Local aperture photometry processed 5.62
Validate local photometry no valid phot 0.02
Local host SED inference not processed 495.31
 

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) = 23h20m30.54s, 12d14m30.25s
semi major axis, semi minor axis (arcsec) = 1.0, 1.0
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 23h20m30.51s, 12d14m30.56s
semi major axis, semi minor axis (arcsec) = 2.92, 1.42
angle (degrees, anti-clockwise from east) = -139.97

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.61 0.76 23.382 0.515 AB
GALEX_NUV 0.26 0.68 25.372 2.884 AB
SDSS_u -0.83 2.38 AB
SDSS_g 1.11 0.71 23.784 0.695 AB
PanSTARRS_g 1.91 0.54 23.196 0.307 AB
SDSS_r 2.21 1.15 23.040 0.568 AB
PanSTARRS_r 2.45 0.48 22.926 0.211 AB
SDSS_i 2.25 1.64 23.018 0.792 AB
PanSTARRS_i 3.58 0.6 22.516 0.182 AB
PanSTARRS_z 3.6 1.27 22.510 0.382 AB
SDSS_z -3.54 7.94 AB
PanSTARRS_y 8.77 2.89 21.543 0.357 AB
2MASS_J 56.57 80.55 18.624 1.546 Vega
2MASS_H -58.87 112.24 Vega
2MASS_K 70.18 161.41 17.447 2.497 Vega
WISE_W1 7.29 8.41 19.044 1.252 Vega
WISE_W2 5.1 14.28 18.792 3.039 Vega
WISE_W3 78.66 61.25 13.987 0.845 Vega
WISE_W4 229.5 382.8 11.378 1.811 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

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})\, 8.074 8.492 8.814
{\rm log}_{10}({\rm SFR}) -1.022 -0.380 0.332
{\rm log}_{10}({\rm sSFR}) -9.675 -8.720 -7.962
{\rm stellar\ age} 0.098 1.974 6.461

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.405 -0.619 0.004
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.378 -0.648 -0.007

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.307 2.006 2.868
\delta -0.053 0.188 0.329
\tau_1/\tau_2 0.687 1.175 1.612
Q_{PAH} 1.225 3.270 5.410
U_{min} 3.512 10.459 18.845
{\rm log}_{10}(\gamma_e)\, -2.921 -1.676 -0.571

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.550 -1.306 -0.065
{\rm log}_{10}(\tau_{AGN})\, 1.076 1.431 1.875

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.380 -0.698 -0.043
0.03-0.10 Gyr -1.664 -0.514 0.424
0.10-0.32 Gyr -2.970 -1.145 -0.217
0.32-1.05 Gyr -4.698 -2.061 -1.012
1.05-3.42 Gyr -6.156 -2.356 -1.152
3.42-11.10 Gyr -6.907 -2.749 -1.227
11.10-12.33 Gyr -7.316 -2.556 -1.032