2025ly

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Information

Transient

Name: AT2025ly
Right ascension: 4h53m11.59s
Declination: -5d38m15.77s
Discovery Date: Jan. 2, 2025, 3:36 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.035

Host

Name: 2025ly
Right ascension: 4h53m11.47s
Declination: -5d38m19.29s
Redshift: None
Photometric Redshift: 0.167

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	1.78
Cutout download	processed	17.83
Global aperture construction	processed	0.68
Local aperture photometry	processed	5.16
Global aperture photometry	processed	5.4
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	15.67
Host information	processed	0.08
Global host SED inference	processed	441.11
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.14
Host MWEBV	processed	0.12
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) = 4h53m11.59s, -5d38m15.77s
semi major axis, semi minor axis (arcsec) = 0.7, 0.7
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys

Data not available

Aperture details

RA, DEC (J2000) = 4h53m11.45s, -5d38m19.20s
semi major axis, semi minor axis (arcsec) = 8.34, 5.47
angle (degrees, anti-clockwise from east) = -39.45

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	67.53	6.87	19.326	0.111	AB
SDSS_g	126.91	3.89	18.641	0.033	AB
DES_g	133.96	0.82	18.583	0.007	AB
PanSTARRS_g	136.14	1.61	18.565	0.013	AB
SDSS_r	256.12	5.24	17.879	0.022	AB
PanSTARRS_r	282.79	2.43	17.771	0.009	AB
DES_r	283.52	1.87	17.769	0.007	AB
SDSS_i	351.44	7.65	17.535	0.024	AB
PanSTARRS_i	376.64	2.38	17.460	0.007	AB
PanSTARRS_z	440.91	4.56	17.289	0.011	AB
SDSS_z	553.7	18.3	17.042	0.036	AB
DES_z	478.86	4.4	17.199	0.010	AB
PanSTARRS_y	482.51	10.39	17.191	0.023	AB
2MASS_J	532.4	170.28	16.190	0.347	Vega
2MASS_H	649.84	250.84	15.500	0.419	Vega
2MASS_K	1012.06	341.33	14.549	0.366	Vega
WISE_W1	394.95	17.54	14.710	0.048	Vega
WISE_W2	269.11	24.02	14.486	0.097	Vega
WISE_W3	497.74	107.26	11.983	0.234	Vega
WISE_W4	-304.06	619.11			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})\,	10.660	10.725	10.798
{\rm log}_{10}({\rm SFR})	-0.095	0.700	1.288
{\rm log}_{10}({\rm sSFR})	-10.827	-10.071	-9.428
{\rm stellar\ age}	5.789	6.720	8.280

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.713	-0.499	-0.345
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.421	-0.799	-0.106

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.124	0.241	0.385
\delta	-0.798	-0.514	-0.035
\tau_1/\tau_2	0.484	0.860	1.254
Q_{PAH}	0.514	1.902	4.140
U_{min}	2.378	7.124	14.405
{\rm log}_{10}(\gamma_e)\,	-3.162	-2.361	-1.290

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.520	-2.082	-1.486
{\rm log}_{10}(\tau_{AGN})\,	0.926	1.288	1.778

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.627	0.117	0.489
0.03-0.10 Gyr	-0.053	0.818	1.434
0.10-0.32 Gyr	-0.435	0.386	0.791
0.32-1.03 Gyr	-1.175	0.157	0.534
1.03-3.28 Gyr	-0.284	0.592	0.975
3.28-10.51 Gyr	0.597	0.897	1.032
10.51-11.67 Gyr	0.302	0.969	1.606