2025as

Download data

Information

Transient

Name: AT2025as
Right ascension: 2h23m19.39s
Declination: 2d16m03.43s
Discovery Date: Jan. 4, 2025, 2:58 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.029

Host

Name: 2025as
Right ascension: 2h23m19.16s
Declination: 2d16m03.85s
Redshift: 0.098700
Photometric Redshift: 0.072

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	1.95
Cutout download	processed	22.83
Global aperture construction	processed	1.3
Local aperture photometry	processed	8.64
Global aperture photometry	processed	9.1
Validate local photometry	processed	0.04
Validate global photometry	processed	25.01
Host information	processed	0.12
Global host SED inference	processed	567.53
Local host SED inference	processed	680.71
Transient information	processed	0.0
Transient MWEBV	processed	0.06
Host MWEBV	processed	0.26
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) = 2h23m19.39s, 2d16m03.43s
semi major axis, semi minor axis (arcsec) = 1.1, 1.1
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
DES_r	18.53	0.58	20.730	0.034	AB
PanSTARRS_z	20.16	0.68	20.639	0.036	AB
DES_z	25.23	0.54	20.395	0.023	AB
PanSTARRS_y	22.09	1.75	20.539	0.086	AB

Aperture details

RA, DEC (J2000) = 2h23m19.16s, 2d16m04.12s
semi major axis, semi minor axis (arcsec) = 7.35, 6.43
angle (degrees, anti-clockwise from east) = -126.3

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
GALEX_FUV	39.87	4.51	19.898	0.123	AB
GALEX_NUV	69.99	3.66	19.287	0.057	AB
SDSS_u	138.2	6.84	18.549	0.054	AB
SDSS_g	409.21	5.55	17.370	0.015	AB
DES_g	424.67	1.38	17.330	0.004	AB
PanSTARRS_g	441.32	1.53	17.288	0.004	AB
SDSS_r	648.65	7.16	16.870	0.012	AB
PanSTARRS_r	663.3	1.93	16.846	0.003	AB
DES_r	708.76	3.58	16.774	0.005	AB
SDSS_i	856.72	8.82	16.568	0.011	AB
PanSTARRS_i	868.19	1.95	16.553	0.002	AB
PanSTARRS_z	929.63	4.13	16.479	0.005	AB
SDSS_z	1036.26	25.53	16.361	0.027	AB
DES_z	1019.92	3.43	16.379	0.004	AB
PanSTARRS_y	1083.14	10.44	16.313	0.010	AB
2MASS_J	1700.24	216.89	14.929	0.138	Vega
2MASS_H	1259.09	351.57	14.782	0.303	Vega
2MASS_K	1334.18	343.63	14.249	0.280	Vega
WISE_W1	714.92	20.38	14.065	0.031	Vega
WISE_W2	518.95	23.55	13.773	0.049	Vega
WISE_W3	2463.98	96.97	10.247	0.043	Vega
WISE_W4	2883.11	584.07	8.630	0.220	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	8.458	8.720	8.946
${\rm log}_{10}({\rm SFR})$	-1.320	-0.750	-0.181
${\rm log}_{10}({\rm sSFR})$	-10.130	-9.472	-8.817
${\rm stellar\ age}$	1.113	4.712	6.899

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.681	-1.080	-0.290
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.444	-0.688	0.136

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.227	0.541	1.035
$\delta$	-0.604	-0.137	0.257
$\tau_1/\tau_2$	0.635	0.998	1.363
$Q_{PAH}$	1.097	3.058	5.320
$U_{min}$	3.005	7.878	14.606
${\rm log}_{10}(\gamma_e)\,$	-3.028	-1.827	-0.780

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-2.801	-0.393	0.084
${\rm log}_{10}(\tau_{AGN})\,$	1.085	1.550	1.900

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.245	-0.739	-0.277
0.03-0.10 Gyr	-1.661	-0.831	-0.115
0.10-0.33 Gyr	-1.753	-0.882	-0.284
0.33-1.06 Gyr	-2.155	-1.006	-0.558
1.06-3.45 Gyr	-2.869	-1.320	-0.917
3.45-11.22 Gyr	-2.873	-1.405	-0.973
11.22-12.47 Gyr	-2.872	-1.467	-0.788

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	10.369	10.423	10.465
${\rm log}_{10}({\rm SFR})$	0.299	0.516	0.718
${\rm log}_{10}({\rm sSFR})$	-10.122	-9.900	-9.687
${\rm stellar\ age}$	5.116	6.014	6.860

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-0.575	-0.388	-0.248
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-0.188	0.203	0.378

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.105	0.165	0.273
$\delta$	-0.789	-0.474	-0.140
$\tau_1/\tau_2$	0.853	1.144	1.418
$Q_{PAH}$	1.550	3.118	4.825
$U_{min}$	2.211	6.862	13.774
${\rm log}_{10}(\gamma_e)\,$	-2.847	-1.862	-0.883

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-2.888	-1.797	-1.301
${\rm log}_{10}(\tau_{AGN})\,$	1.164	1.562	1.884

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.139	0.270	0.374
0.03-0.10 Gyr	0.326	0.600	0.835
0.10-0.33 Gyr	0.608	0.796	0.969
0.33-1.06 Gyr	0.412	0.611	0.764
1.06-3.45 Gyr	0.352	0.551	0.726
3.45-11.22 Gyr	0.322	0.501	0.601
11.22-12.47 Gyr	0.041	0.513	0.890