2025gr

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Information

Transient

Name: AT2025gr
Right ascension: 15h57m43.57s
Declination: 27d27m52.41s
Discovery Date: Jan. 6, 2025, 2:46 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.036

Host

Name: 2025gr
Right ascension: 15h57m43.53s
Declination: 27d27m52.99s
Redshift: 0.031559
Photometric Redshift: 0.036

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	2.04
Cutout download	processed	16.75
Global aperture construction	processed	0.58
Local aperture photometry	processed	5.77
Global aperture photometry	processed	5.87
Validate local photometry	processed	0.02
Validate global photometry	processed	16.16
Host information	processed	0.08
Global host SED inference	processed	426.24
Local host SED inference	processed	473.33
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.06
Log transient processing status	processed	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) = 15h57m43.57s, 27d27m52.41s
semi major axis, semi minor axis (arcsec) = 3.17, 3.17
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	98.14	3.5	18.920	0.039	AB
SDSS_g	491.3	5.81	17.172	0.013	AB
DES_g	536.07	1.09	17.077	0.002	AB
PanSTARRS_g	502.49	0.96	17.147	0.002	AB
SDSS_r	1169.37	8.97	16.230	0.008	AB
PanSTARRS_r	1180.55	1.48	16.220	0.001	AB
DES_r	1383.59	3.0	16.047	0.002	AB
SDSS_i	1895.31	11.56	15.706	0.007	AB
PanSTARRS_i	1861.06	1.76	15.726	0.001	AB
PanSTARRS_z	2536.15	2.58	15.390	0.001	AB
SDSS_z	2858.79	17.12	15.260	0.007	AB
DES_z	2994.09	10.84	15.209	0.004	AB
PanSTARRS_y	3277.68	5.28	15.111	0.002	AB
2MASS_J	4416.58	75.46	13.892	0.019	Vega
2MASS_H	6319.04	111.75	13.031	0.019	Vega
2MASS_K	6165.15	112.88	12.587	0.020	Vega

Aperture details

RA, DEC (J2000) = 15h57m43.52s, 27d27m53.37s
semi major axis, semi minor axis (arcsec) = 21.28, 9.41
angle (degrees, anti-clockwise from east) = -174.83

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
DES_g	1675.72	2.11	15.839	0.001	AB
PanSTARRS_g	1672.06	3.59	15.842	0.002	AB
PanSTARRS_r	3337.96	5.5	15.091	0.002	AB
PanSTARRS_y	7869.56	22.27	14.160	0.003	AB
2MASS_J	10646.26	362.0	12.937	0.037	Vega
2MASS_K	12465.73	551.03	11.823	0.048	Vega
WISE_W1	7209.79	50.05	11.556	0.008	Vega
WISE_W3	28247.52	212.38	7.599	0.008	Vega
WISE_W4	80655.74	2363.12	5.013	0.032	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	9.940	10.134	10.293
${\rm log}_{10}({\rm SFR})$	-0.536	0.339	0.908
${\rm log}_{10}({\rm sSFR})$	-10.765	-9.815	-9.073
${\rm stellar\ age}$	4.960	7.068	8.838

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-0.970	-0.485	-0.168
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.645	0.088	0.325

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.965	1.407	1.792
$\delta$	-0.584	-0.383	-0.107
$\tau_1/\tau_2$	0.626	1.019	1.446
$Q_{PAH}$	0.778	2.381	4.545
$U_{min}$	2.535	7.554	14.181
${\rm log}_{10}(\gamma_e)\,$	-3.658	-2.811	-1.409

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.219	-2.563	-0.331
${\rm log}_{10}(\tau_{AGN})\,$	0.973	1.597	1.973

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.245	0.287	0.680
0.03-0.10 Gyr	-1.120	0.317	0.991
0.10-0.33 Gyr	-1.177	-0.069	0.491
0.33-1.10 Gyr	-1.042	-0.116	0.287
1.10-3.63 Gyr	-0.780	0.035	0.398
3.63-12.00 Gyr	-0.478	0.140	0.389
12.00-13.33 Gyr	-0.531	0.253	0.891

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	10.329	10.550	10.715
${\rm log}_{10}({\rm SFR})$	-0.287	0.581	0.985
${\rm log}_{10}({\rm sSFR})$	-10.844	-9.913	-9.461
${\rm stellar\ age}$	5.220	7.547	10.438

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-0.854	-0.414	-0.044
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.780	-1.466	0.002

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.693	0.994	1.335
$\delta$	-0.484	-0.180	0.197
$\tau_1/\tau_2$	0.566	0.929	1.293
$Q_{PAH}$	0.211	0.713	1.858
$U_{min}$	3.100	8.350	15.514
${\rm log}_{10}(\gamma_e)\,$	-2.977	-1.861	-1.151

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-3.725	-1.804	-1.101
${\rm log}_{10}(\tau_{AGN})\,$	1.112	1.532	1.867

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.676	0.497	0.900
0.03-0.10 Gyr	-0.593	0.528	1.050
0.10-0.33 Gyr	-1.174	0.245	0.801
0.33-1.10 Gyr	-1.359	0.054	0.748
1.10-3.63 Gyr	-0.838	0.321	0.692
3.63-12.00 Gyr	-0.152	0.523	0.818
12.00-13.33 Gyr	-0.158	0.695	1.578