2025syc

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Information

Transient

Name: AT2025syc
Right ascension: 5h17m39.09s
Declination: 19d41m21.43s
Discovery Date: July 31, 2025, 11:43 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.468

Host

Name:
Right ascension: 5h17m39.16s
Declination: 19d41m13.47s
Redshift: 0.053881
Photometric Redshift:

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	7.83
Transient MWEBV	processed	0.04
Host match	processed	4.89
Host information	processed	0.14
Host MWEBV	processed	0.05
Global aperture construction	processed	0.71
Global aperture photometry	processed	3.66
Validate global photometry	processed	11.54
Global host SED inference	processed	660.62
Local aperture photometry	processed	4.34
Validate local photometry	processed	0.02
Local host SED inference	processed	419.33

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) = 5h17m39.09s, 19d41m21.43s
semi major axis, semi minor axis (arcsec) = 1.91, 1.91
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	10.61	0.45	21.336	0.046	AB
PanSTARRS_r	24.02	0.66	20.449	0.030	AB
PanSTARRS_i	40.99	0.82	19.868	0.022	AB
PanSTARRS_z	51.88	2.43	19.612	0.051	AB
PanSTARRS_y	85.93	3.95	19.065	0.050	AB

Aperture details

RA, DEC (J2000) = 5h17m39.17s, 19d41m13.69s
semi major axis, semi minor axis (arcsec) = 10.67, 8.22
angle (degrees, anti-clockwise from east) = -139.44

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	14.93	4.82	20.965	0.351	AB
GALEX_NUV	2.29	3.61	23.002	1.712	AB
PanSTARRS_g	325.84	2.21	17.618	0.007	AB
PanSTARRS_r	824.98	3.22	16.609	0.004	AB
PanSTARRS_z	2268.92	11.35	15.510	0.005	AB
PanSTARRS_y	3286.86	19.16	15.108	0.006	AB
2MASS_J	4134.68	193.88	13.964	0.051	Vega
2MASS_H	6745.7	303.51	12.960	0.049	Vega
2MASS_K	6045.62	375.56	12.609	0.067	Vega
WISE_W1	2944.6	40.73	12.528	0.015	Vega
WISE_W2	1787.61	47.63	12.430	0.029	Vega
WISE_W3	4745.2	140.26	9.535	0.032	Vega
WISE_W4	4014.27	828.97	8.271	0.224	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

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Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.650	8.936	9.075
{\rm log}_{10}({\rm SFR})	-1.206	-0.572	-0.004
{\rm log}_{10}({\rm sSFR})	-10.241	-9.486	-8.727
{\rm stellar\ age}	1.026	4.881	6.997

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.102	-0.243	0.067
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.394	-0.086	0.187

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.278	0.791	1.253
\delta	-0.611	-0.122	0.190
\tau_1/\tau_2	0.740	1.092	1.453
Q_{PAH}	0.443	1.829	4.157
U_{min}	2.583	7.495	14.529
{\rm log}_{10}(\gamma_e)\,	-3.280	-2.314	-1.130

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.475	-1.135	-0.097
{\rm log}_{10}(\tau_{AGN})\,	1.006	1.412	1.874

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.195	-0.695	-0.280
0.03-0.10 Gyr	-1.396	-0.583	0.089
0.10-0.33 Gyr	-1.500	-0.620	-0.069
0.33-1.08 Gyr	-1.749	-0.802	-0.353
1.08-3.57 Gyr	-2.445	-1.058	-0.743
3.57-11.73 Gyr	-3.035	-1.205	-0.854
11.73-13.04 Gyr	-2.961	-1.294	-0.656

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.784	10.822	10.908
{\rm log}_{10}({\rm SFR})	-0.588	-0.217	0.069
{\rm log}_{10}({\rm sSFR})	-11.410	-11.049	-10.755
{\rm stellar\ age}	7.830	8.791	11.665

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.312	-0.207	-0.111
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.331	-0.186	-0.003

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.044	0.087	0.146
\delta	-0.249	0.108	0.313
\tau_1/\tau_2	0.367	0.742	1.120
Q_{PAH}	1.314	3.356	5.164
U_{min}	2.301	7.704	15.518
{\rm log}_{10}(\gamma_e)\,	-1.314	-0.610	-0.196

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.346	-3.245	-2.114
{\rm log}_{10}(\tau_{AGN})\,	1.301	1.778	2.055

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.270	-0.038	0.156
0.03-0.10 Gyr	-1.476	-0.390	0.084
0.10-0.33 Gyr	-1.513	-0.480	0.018
0.33-1.08 Gyr	-1.241	-0.446	0.007
1.08-3.57 Gyr	-0.967	-0.090	0.409
3.57-11.73 Gyr	0.214	0.952	1.061
11.73-13.04 Gyr	0.872	1.393	1.988