2021htv results

2021htv results

Information

Transient

Name:	`AT2021htv`
Right ascension:	`6h18m03.24s`
Declination:	`-23d50m28.64s`
Discovery Date:	`April 1, 2021, 11:26 p.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.044`

Host

Name:	`2021htv`
Right ascension:	`6h18m02.49s`
Declination:	`-23d50m20.71s`
Redshift:	`0.062894`
Photometric Redshift:	`0.059`

Cutout Download Report

Downloaded	Unavailable
2MASS_H 2MASS_J 2MASS_K WISE_W1 WISE_W2 WISE_W3 WISE_W4 PanSTARRS_g PanSTARRS_r PanSTARRS_i PanSTARRS_z PanSTARRS_y	GALEX_NUV GALEX_FUV SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g DES_g DES_r DES_i DES_z DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	3.37
Transient MWEBV	processed	0.05
Host match	processed	4.11
Host information	processed	0.11
Host MWEBV	processed	0.05
Global aperture construction	processed	0.69
Global aperture photometry	processed	4.48
Validate global photometry	processed	11.66
Global host SED inference	processed	705.55
Local aperture photometry	processed	4.09
Validate local photometry	processed	0.02
Local host SED inference	processed	444.72

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	6h18m03.24s, -23d50m28.64s
semi major axis, semi minor axis (arcsec):	1.65, 1.65
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	6.52	0.44	21.864	0.074	AB
PanSTARRS_r	14.37	0.67	21.007	0.051	AB
PanSTARRS_i	21.31	0.53	20.578	0.027	AB
PanSTARRS_z	27.95	1.49	20.284	0.058	AB
PanSTARRS_y	32.63	3.45	20.116	0.115	AB

Aperture details

RA, DEC (J2000):	6h18m02.48s, -23d50m20.51s
semi major axis, semi minor axis (arcsec):	14.86, 13.82
angle (degrees, anti-clockwise from east):	-143.82

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_i	8191.55	4.74	14.117	0.001	AB
PanSTARRS_y	13390.81	30.31	13.583	0.002	AB
2MASS_J	17615.7	337.26	12.390	0.021	Vega
2MASS_K	19168.37	618.1	11.356	0.035	Vega
WISE_W3	1452.15	119.76	10.821	0.090	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.753	8.933	9.087
{\rm log}_{10}({\rm SFR})	-1.955	-1.298	-0.719
{\rm log}_{10}({\rm sSFR})	-10.854	-10.249	-9.607
{\rm stellar\ age}	4.443	7.010	8.996

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.438	-0.776	-0.224
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.620	-0.758	0.153

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.814	1.382	1.942
\delta	-0.098	0.148	0.321
\tau_1/\tau_2	0.665	1.009	1.349
Q_{PAH}	0.841	2.512	4.962
U_{min}	2.781	8.385	15.567
{\rm log}_{10}(\gamma_e)\,	-2.950	-1.895	-0.854

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.927	-0.693	0.020
{\rm log}_{10}(\tau_{AGN})\,	1.033	1.422	1.918

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.406	-1.416	-0.748
0.03-0.10 Gyr	-2.158	-1.377	-0.734
0.10-0.33 Gyr	-2.280	-1.448	-0.755
0.33-1.08 Gyr	-2.512	-1.435	-0.772
1.08-3.54 Gyr	-2.346	-1.192	-0.832
3.54-11.63 Gyr	-1.939	-1.016	-0.786
11.63-12.92 Gyr	-1.855	-0.945	-0.244

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	11.380	11.448	11.540
{\rm log}_{10}({\rm SFR})	-1.760	-0.297	0.466
{\rm log}_{10}({\rm sSFR})	-13.242	-11.745	-11.002
{\rm stellar\ age}	7.363	8.542	11.909

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.191	-0.013	0.118
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.500	-0.763	-0.052

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.052	0.133	0.288
\delta	-0.765	-0.253	0.170
\tau_1/\tau_2	0.403	0.798	1.253
Q_{PAH}	0.238	0.717	1.905
U_{min}	2.328	6.677	13.684
{\rm log}_{10}(\gamma_e)\,	-3.574	-2.906	-1.683

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.556	-3.787	-2.708
{\rm log}_{10}(\tau_{AGN})\,	0.981	1.462	1.896

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.171	-0.469	0.289
0.03-0.10 Gyr	-2.258	-0.453	0.545
0.10-0.33 Gyr	-2.285	-0.241	0.710
0.33-1.08 Gyr	-2.070	-0.197	0.752
1.08-3.54 Gyr	-1.184	0.462	1.343
3.54-11.63 Gyr	0.505	1.515	1.690
11.63-12.92 Gyr	1.234	1.971	2.649