2021nhh

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Information

Transient

Name: SN2021nhh
Right ascension: 15h24m33.27s
Declination: -13d32m48.11s
Discovery Date: April 8, 2021, 1:14 p.m.
Classification: SLSN-II
Redshift: 0.135000
MW E(B-V): 0.107

Host

Name: 2021nhh
Right ascension: 15h24m33.22s
Declination: -13d32m48.21s
Redshift: None
Photometric Redshift: 0.177
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 3.5
Cutout download processed 3.05
Global aperture construction processed 0.61
Local aperture photometry processed 3.41
Global aperture photometry processed 3.55
Validate local photometry no valid phot 0.02
Validate global photometry processed 10.33
Host information processed 0.09
Global host SED inference processed 418.5
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.07
Host MWEBV processed 0.06
Log transient processing status blocked None
 

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) = 15h24m33.27s, -13d32m48.11s
semi major axis, semi minor axis (arcsec) = 0.84, 0.84
angle (degrees, anti-clockwise from east) = 0.0

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

Aperture details

RA, DEC (J2000) = 15h24m33.21s, -13d32m48.02s
semi major axis, semi minor axis (arcsec) = 3.18, 2.39
angle (degrees, anti-clockwise from east) = -45.5

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 1.79 1.44 23.268 0.873
GALEX_NUV 7.82 2.92 21.667 0.405
PanSTARRS_g 22.68 0.54 20.511 0.026
PanSTARRS_r 38.94 0.79 19.924 0.022
PanSTARRS_i 55.74 0.72 19.535 0.014
PanSTARRS_z 64.91 1.67 19.369 0.028
PanSTARRS_y 64.14 3.61 19.382 0.061
2MASS_J 152.34 96.94 17.548 0.691
2MASS_H 51.1 136.37 18.261 2.897
2MASS_K 195.25 190.91 16.336 1.062
WISE_W1 34.23 12.23 17.365 0.388
WISE_W2 19.24 15.43 17.351 0.871
WISE_W3 119.81 85.01 13.530 0.770
WISE_W4 192.74 503.37 11.568 2.836
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.410 9.576 9.715
{\rm log}_{10}({\rm SFR}) -0.848 -0.198 0.422
{\rm log}_{10}({\rm sSFR}) -10.528 -9.786 -9.096
{\rm stellar\ age} 1.667 4.621 6.553

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.587 -0.913 -0.168
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.681 -0.922 0.107

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.268 0.554 0.916
\delta -0.661 -0.263 0.120
\tau_1/\tau_2 0.695 1.080 1.456
Q_{PAH} 1.311 3.134 5.355
U_{min} 2.952 8.232 15.536
{\rm log}_{10}(\gamma_e)\, -2.938 -1.884 -0.612

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.612 -1.721 -0.434
{\rm log}_{10}(\tau_{AGN})\, 1.034 1.416 1.848

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.959 -0.385 -0.018
0.03-0.10 Gyr -1.060 -0.172 0.537
0.10-0.32 Gyr -0.785 0.027 0.487
0.32-1.04 Gyr -0.838 -0.058 0.408
1.04-3.36 Gyr -1.205 -0.321 -0.005
3.36-10.83 Gyr -1.780 -0.554 -0.161
10.83-12.03 Gyr -2.020 -0.573 0.071