2025ygc

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Information

Transient

Name: AT2025ygc
Right ascension: 23h34m17.12s
Declination: 19d22m30.82s
Discovery Date: Sept. 17, 2025, 7:47 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.053

Host

Name:
Right ascension: 23h34m16.85s
Declination: 19d22m31.84s
Redshift: None
Photometric Redshift: 0.170

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	17.06
Transient MWEBV	processed	0.04
Host match	processed	4.7
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.62
Global aperture photometry	processed	6.29
Validate global photometry	processed	17.38
Global host SED inference	processed	391.35
Local aperture photometry	processed	6.07
Validate local photometry	no valid phot	0.02
Local host SED inference	not 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) = 23h34m17.12s, 19d22m30.82s
semi major axis, semi minor axis (arcsec) = 0.69, 0.69
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) = 23h34m16.83s, 19d22m31.91s
semi major axis, semi minor axis (arcsec) = 8.27, 6.37
angle (degrees, anti-clockwise from east) = -174.63

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	11.2	2.32	21.277	0.225	AB
GALEX_NUV	17.56	1.99	20.789	0.123	AB
SDSS_u	19.44	7.57	20.678	0.423	AB
SDSS_g	200.58	4.52	18.144	0.024	AB
DES_g	232.56	0.74	17.984	0.003	AB
PanSTARRS_g	230.89	1.61	17.991	0.008	AB
SDSS_r	499.54	7.11	17.154	0.015	AB
PanSTARRS_r	496.42	1.99	17.160	0.004	AB
DES_r	538.16	2.1	17.073	0.004	AB
SDSS_i	735.69	9.27	16.733	0.014	AB
PanSTARRS_i	730.72	2.58	16.741	0.004	AB
PanSTARRS_z	927.22	5.17	16.482	0.006	AB
SDSS_z	894.68	25.83	16.521	0.031	AB
DES_z	1002.87	5.61	16.397	0.006	AB
PanSTARRS_y	1108.51	11.88	16.288	0.012	AB
2MASS_J	1682.39	184.96	14.940	0.119	Vega
2MASS_H	2024.19	293.38	14.267	0.157	Vega
2MASS_K	2407.26	335.8	13.608	0.151	Vega
WISE_W1	843.71	20.67	13.886	0.027	Vega
WISE_W2	609.44	24.45	13.599	0.044	Vega
WISE_W3	1649.11	107.23	10.683	0.071	Vega
WISE_W4	1891.51	691.01	9.088	0.397	Vega

Imaging data

Click the image to load the interactive plot.

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})\,	11.120	11.148	11.189
{\rm log}_{10}({\rm SFR})	0.593	0.788	0.988
{\rm log}_{10}({\rm sSFR})	-10.571	-10.369	-10.165
{\rm stellar\ age}	6.612	7.094	8.320

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.579	-0.411	-0.294
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.629	-0.042	0.327

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.169	0.234	0.329
\delta	-0.746	-0.488	-0.242
\tau_1/\tau_2	0.846	1.214	1.560
Q_{PAH}	0.935	2.883	4.873
U_{min}	2.273	7.117	14.299
{\rm log}_{10}(\gamma_e)\,	-2.792	-1.434	-0.751

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.229	-3.096	-1.983
{\rm log}_{10}(\tau_{AGN})\,	1.069	1.545	1.912

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.295	0.524	0.693
0.03-0.10 Gyr	0.609	0.870	1.099
0.10-0.32 Gyr	0.473	0.755	0.980
0.32-1.02 Gyr	0.326	0.637	0.845
1.02-3.27 Gyr	0.400	0.810	1.060
3.27-10.48 Gyr	1.220	1.381	1.452
10.48-11.64 Gyr	1.107	1.505	1.996