2025cty

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Information

Transient

Name: AT2025cty
Right ascension: 4h27m41.54s
Declination: -3d41m15.05s
Discovery Date: Feb. 21, 2025, 3:35 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.031

Host

Name: 2025cty
Right ascension: 4h27m38.80s
Declination: -3d41m14.36s
Redshift: 0.033209
Photometric Redshift: 0.335

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	1.83
Cutout download	processed	18.97
Global aperture construction	processed	0.98
Local aperture photometry	processed	6.28
Global aperture photometry	processed	6.26
Validate local photometry	processed	0.03
Validate global photometry	processed	17.28
Host information	processed	0.09
Global host SED inference	processed	666.37
Local host SED inference	processed	487.54
Transient information	processed	0.0
Transient MWEBV	processed	0.13
Host MWEBV	processed	0.08
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) = 4h27m41.54s, -3d41m15.05s
semi major axis, semi minor axis (arcsec) = 3.02, 3.02
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	7.93	2.78	21.651	0.380	AB
SDSS_g	5.62	1.24	22.025	0.239	AB
DES_g	4.13	0.31	22.360	0.083	AB
PanSTARRS_g	3.57	0.7	22.518	0.214	AB
SDSS_r	7.16	1.74	21.763	0.265	AB
PanSTARRS_r	5.98	0.88	21.958	0.160	AB
DES_r	6.43	0.78	21.880	0.132	AB
SDSS_i	9.08	2.62	21.505	0.313	AB
PanSTARRS_i	5.64	0.95	22.022	0.184	AB
PanSTARRS_z	10.38	2.14	21.360	0.224	AB
SDSS_z	22.6	9.75	20.515	0.468	AB
DES_z	9.86	1.43	21.415	0.157	AB
PanSTARRS_y	2.43	4.81	22.934	2.147	AB
2MASS_J	17.39	66.33	19.904	4.141	Vega
2MASS_H	-17.23	108.88			Vega
2MASS_K	-202.69	126.52			Vega

Aperture details

RA, DEC (J2000) = 4h27m38.80s, -3d41m14.20s
semi major axis, semi minor axis (arcsec) = 4.21, 3.6
angle (degrees, anti-clockwise from east) = -49.27

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	-1.87	2.14			AB
GALEX_NUV	1.91	2.15	23.198	1.224	AB
SDSS_u	17.08	3.8	20.819	0.241	AB
SDSS_g	16.0	1.78	20.889	0.120	AB
DES_g	18.23	0.49	20.748	0.029	AB
PanSTARRS_g	18.54	0.89	20.730	0.052	AB
SDSS_r	26.95	2.47	20.324	0.099	AB
PanSTARRS_r	24.63	1.2	20.421	0.053	AB
DES_r	30.86	1.14	20.177	0.040	AB
SDSS_i	34.88	3.5	20.044	0.109	AB
PanSTARRS_i	33.63	1.21	20.083	0.039	AB
PanSTARRS_z	33.39	2.5	20.091	0.081	AB
SDSS_z	38.31	12.47	19.942	0.353	AB
DES_z	36.88	1.92	19.983	0.057	AB
PanSTARRS_y	27.58	5.84	20.298	0.230	AB
2MASS_J	-120.6	120.39			Vega
2MASS_H	-226.1	194.1			Vega
2MASS_K	-38.16	229.98			Vega
WISE_W1	-1.11	9.92			Vega
WISE_W2	-3.43	12.45			Vega
WISE_W3	5.87	75.49	16.805	13.964	Vega
WISE_W4	-553.23	499.19			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})\,	6.951	7.495	7.739
{\rm log}_{10}({\rm SFR})	-2.197	-1.682	-1.350
{\rm log}_{10}({\rm sSFR})	-9.884	-9.151	-8.374
{\rm stellar\ age}	2.151	5.983	7.662

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.892	-0.251	0.058
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.445	-0.842	-0.101

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.652	1.085	1.516
\delta	-0.178	0.086	0.304
\tau_1/\tau_2	0.795	1.153	1.555
Q_{PAH}	0.697	2.094	4.540
U_{min}	2.597	7.419	14.553
{\rm log}_{10}(\gamma_e)\,	-2.918	-2.041	-1.076

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.889	-0.663	0.142
{\rm log}_{10}(\tau_{AGN})\,	1.170	1.513	1.921

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.098	-1.479	-1.142
0.03-0.10 Gyr	-2.705	-1.933	-1.407
0.10-0.33 Gyr	-3.534	-2.479	-1.935
0.33-1.09 Gyr	-3.805	-2.623	-2.161
1.09-3.62 Gyr	-3.956	-2.609	-2.218
3.62-11.98 Gyr	-3.926	-2.568	-2.183
11.98-13.31 Gyr	-4.008	-2.636	-1.979

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	7.929	8.139	8.307
{\rm log}_{10}({\rm SFR})	-1.867	-1.104	-0.291
{\rm log}_{10}({\rm sSFR})	-10.066	-9.262	-8.270
{\rm stellar\ age}	1.556	5.875	8.565

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.864	-1.551	-1.012
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.879	-1.418	0.212

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.426	0.901	1.384
\delta	-0.310	0.009	0.249
\tau_1/\tau_2	0.482	0.911	1.330
Q_{PAH}	1.454	3.306	5.158
U_{min}	3.752	9.909	17.938
{\rm log}_{10}(\gamma_e)\,	-3.230	-2.129	-0.946

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.871	-2.137	-0.574
{\rm log}_{10}(\tau_{AGN})\,	1.002	1.418	1.894

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.563	-2.074	-1.466
0.03-0.10 Gyr	-1.869	-0.987	-0.134
0.10-0.33 Gyr	-3.418	-1.675	-0.975
0.33-1.09 Gyr	-4.593	-2.119	-1.487
1.09-3.62 Gyr	-4.513	-2.055	-1.598
3.62-11.98 Gyr	-4.160	-2.069	-1.661
11.98-13.31 Gyr	-4.126	-1.923	-1.040