2021cgr

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Information

Transient

Name: AT2021cgr
Right ascension: 2h06m35.92s
Declination: -12d47m54.43s
Discovery Date: Feb. 8, 2021, 3:38 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.018

Host

Name:
Right ascension: 2h06m35.92s
Declination: -12d47m51.92s
Redshift: 0.061635
Photometric Redshift: 0.056

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	6.89
Cutout download	processed	22.23
Global aperture construction	processed	0.62
Local aperture photometry	processed	6.4
Global aperture photometry	processed	5.71
Validate local photometry	processed	0.02
Validate global photometry	processed	16.36
Host information	processed	0.15
Global host SED inference	processed	570.98
Local host SED inference	processed	486.88
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.04
Processing status	completed	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) = 2h06m35.92s, -12d47m54.43s
semi major axis, semi minor axis (arcsec) = 1.68, 1.68
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	16.63	1.93	20.848	0.126	AB
SDSS_g	89.74	2.5	19.018	0.030	AB
DES_g	75.14	0.35	19.210	0.005	AB
PanSTARRS_g	66.28	0.42	19.347	0.007	AB
SDSS_r	186.65	3.63	18.222	0.021	AB
PanSTARRS_r	133.35	0.57	18.587	0.005	AB
DES_r	165.73	0.45	18.351	0.003	AB
SDSS_i	276.72	4.49	17.795	0.018	AB
PanSTARRS_i	187.43	0.66	18.218	0.004	AB
PanSTARRS_z	235.04	1.5	17.972	0.007	AB
SDSS_z	344.91	7.4	17.556	0.023	AB
DES_z	299.97	2.33	17.707	0.008	AB
PanSTARRS_y	286.62	3.03	17.757	0.011	AB

Aperture details

RA, DEC (J2000) = 2h06m35.89s, -12d47m51.80s
semi major axis, semi minor axis (arcsec) = 7.19, 6.83
angle (degrees, anti-clockwise from east) = -141.88

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	103.51	7.43	18.863	0.078	AB
SDSS_g	567.32	6.45	17.015	0.012	AB
DES_g	617.79	1.03	16.923	0.002	AB
PanSTARRS_g	633.27	1.7	16.896	0.003	AB
SDSS_r	1294.81	9.86	16.119	0.008	AB
PanSTARRS_r	1272.66	2.24	16.138	0.002	AB
DES_r	1423.48	1.37	16.017	0.001	AB
SDSS_i	1837.33	12.26	15.740	0.007	AB
PanSTARRS_i	1874.85	2.67	15.718	0.002	AB
PanSTARRS_z	2426.97	6.15	15.437	0.003	AB
SDSS_z	2340.17	26.57	15.477	0.012	AB
DES_z	2579.86	6.94	15.371	0.003	AB
PanSTARRS_y	2900.98	12.51	15.244	0.005	AB
2MASS_J	3632.38	153.46	14.105	0.046	Vega
2MASS_H	4029.38	241.1	13.519	0.065	Vega
2MASS_K	4257.14	289.22	12.989	0.074	Vega
WISE_W1	1516.78	22.61	13.249	0.016	Vega
WISE_W2	859.99	23.31	13.225	0.029	Vega
WISE_W3	91.85	70.53	13.818	0.834	Vega
WISE_W4	-494.61	438.94			Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.569	9.689	9.796
{\rm log}_{10}({\rm SFR})	-1.947	-1.039	-0.527
{\rm log}_{10}({\rm sSFR})	-11.702	-10.721	-10.183
{\rm stellar\ age}	5.909	7.596	10.196

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.070	-0.602	-0.339
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.729	0.227	0.415

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.230	0.576	1.008
\delta	-0.748	-0.307	0.105
\tau_1/\tau_2	0.745	1.075	1.401
Q_{PAH}	0.860	2.911	5.632
U_{min}	2.948	8.373	15.265
{\rm log}_{10}(\gamma_e)\,	-2.993	-1.759	-0.519

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.082	-1.180	-0.346
{\rm log}_{10}(\tau_{AGN})\,	0.974	1.389	1.860

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.938	-1.040	-0.573
0.03-0.10 Gyr	-2.320	-1.131	-0.509
0.10-0.33 Gyr	-2.227	-1.025	-0.348
0.33-1.08 Gyr	-2.189	-0.892	-0.242
1.08-3.54 Gyr	-1.873	-0.513	-0.139
3.54-11.64 Gyr	-0.719	-0.234	-0.040
11.64-12.94 Gyr	-0.780	-0.078	0.689

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.566	10.684	10.806
{\rm log}_{10}({\rm SFR})	-4.772	-1.756	-0.033
{\rm log}_{10}({\rm sSFR})	-15.377	-12.368	-10.680
{\rm stellar\ age}	6.908	8.056	12.179

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.194	-0.904	-0.698
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.409	-0.521	0.184

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.300	0.482	0.718
\delta	-0.944	-0.807	-0.587
\tau_1/\tau_2	0.525	0.957	1.398
Q_{PAH}	0.407	1.433	3.634
U_{min}	3.137	9.294	17.653
{\rm log}_{10}(\gamma_e)\,	-2.768	-1.177	-0.312

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.521	-3.659	-2.609
{\rm log}_{10}(\tau_{AGN})\,	1.122	1.627	1.977

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-6.302	-2.393	-0.846
0.03-0.10 Gyr	-5.663	-1.836	0.101
0.10-0.33 Gyr	-5.429	-1.632	0.426
0.33-1.08 Gyr	-4.629	-1.659	0.190
1.08-3.54 Gyr	-3.195	-0.711	0.588
3.54-11.64 Gyr	-1.228	0.667	0.984
11.64-12.94 Gyr	-0.838	1.023	1.938