2022grn

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Information

Transient

Name: AT2022grn
Right ascension: 21h50m50.94s
Declination: -70d20m28.90s
Discovery Date: April 3, 2022, 5:22 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.024

Host

Name: 2022grn
Right ascension: 21h50m46.56s
Declination: -70d20m03.12s
Redshift: 0.012335
Photometric Redshift:

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	0.26
Cutout download	processed	2.9
Global aperture construction	processed	0.16
Local aperture photometry	processed	0.86
Global aperture photometry	processed	0.99
Validate local photometry	processed	0.02
Validate global photometry	processed	1.49
Host information	processed	0.09
Global host SED inference	processed	659.16
Local host SED inference	not enough filters	19.51
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.05
Processing status	blocked	N/A	N/A

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) = 21h50m50.94s, -70d20m28.90s
semi major axis, semi minor axis (arcsec) = 7.93, 7.93
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
GALEX_NUV	7.39	2.68	21.729	0.393	AB
2MASS_J	6365.59	170.78	13.496	0.029	Vega
2MASS_H	9028.06	260.19	12.643	0.031	Vega
2MASS_K	7805.29	334.24	12.331	0.046	Vega
WISE_W1	2285.22	36.59	12.804	0.017	Vega
WISE_W2	1263.04	26.76	12.807	0.023	Vega
WISE_W3	722.2	318.21	11.579	0.478	Vega

Aperture details

RA, DEC (J2000) = 21h50m46.69s, -70d20m02.46s
semi major axis, semi minor axis (arcsec) = 55.85, 17.12
angle (degrees, anti-clockwise from east) = -35.45

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
GALEX_NUV	146.76	10.98	18.483	0.081	AB
2MASS_J	195253.88	674.56	9.779	0.004	Vega
2MASS_H	269545.74	1021.94	8.956	0.004	Vega
2MASS_K	232956.56	1309.38	8.644	0.006	Vega
WISE_W1	115740.05	256.71	8.542	0.002	Vega
WISE_W2	63699.62	199.91	8.551	0.003	Vega
WISE_W4	20655.45	2448.37	6.492	0.129	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Data not available

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	10.922	11.079	11.211
${\rm log}_{10}({\rm SFR})$	-2.742	-1.448	-0.426
${\rm log}_{10}({\rm sSFR})$	-13.864	-12.507	-11.429
${\rm stellar\ age}$	6.462	8.338	12.601

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-0.387	-0.179	-0.036
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.159	-0.585	-0.006

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.255	0.399	0.659
$\delta$	-0.906	-0.670	-0.241
$\tau_1/\tau_2$	0.330	0.742	1.186
$Q_{PAH}$	0.516	1.705	4.670
$U_{min}$	2.336	7.115	14.291
${\rm log}_{10}(\gamma_e)\,$	-3.574	-2.836	-2.098

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.660	-3.989	-3.012
${\rm log}_{10}(\tau_{AGN})\,$	1.166	1.684	1.994

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.329	-1.584	-0.567
0.03-0.10 Gyr	-3.528	-1.540	-0.445
0.10-0.33 Gyr	-3.402	-1.500	-0.215
0.33-1.10 Gyr	-2.814	-0.829	0.647
1.10-3.64 Gyr	-2.022	0.211	1.127
3.64-12.05 Gyr	-0.694	1.050	1.325
12.05-13.39 Gyr	0.435	1.407	2.327