2025ryc

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Information

Transient

Name: AT2025ryc
Right ascension: 22h13m38.64s
Declination: -8d04m09.59s
Discovery Date: July 20, 2025, 9:44 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.054

Host

Name:
Right ascension: 22h13m38.70s
Declination: -8d04m07.86s
Redshift: None
Photometric Redshift: 0.176

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	6.44
Cutout download	processed	25.24
Global aperture construction	processed	0.65
Local aperture photometry	processed	6.73
Global aperture photometry	processed	6.13
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	16.88
Host information	processed	0.14
Global host SED inference	processed	405.54
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.1
Host MWEBV	processed	0.06
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) = 22h13m38.64s, -8d04m09.59s
semi major axis, semi minor axis (arcsec) = 0.67, 0.67
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) = 22h13m38.69s, -8d04m07.85s
semi major axis, semi minor axis (arcsec) = 6.85, 3.24
angle (degrees, anti-clockwise from east) = -144.16

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	2.18	4.34	23.053	2.159	AB
SDSS_g	59.31	2.65	19.467	0.048	AB
DES_g	60.18	0.4	19.451	0.007	AB
PanSTARRS_g	64.39	0.91	19.378	0.015	AB
SDSS_r	127.57	3.8	18.636	0.032	AB
PanSTARRS_r	128.32	0.99	18.629	0.008	AB
DES_r	130.91	1.08	18.608	0.009	AB
SDSS_i	205.58	5.55	18.118	0.029	AB
PanSTARRS_i	202.36	0.95	18.135	0.005	AB
PanSTARRS_z	253.2	3.75	17.891	0.016	AB
SDSS_z	290.16	14.98	17.743	0.056	AB
DES_z	250.86	2.83	17.901	0.012	AB
PanSTARRS_y	294.39	9.5	17.728	0.035	AB
2MASS_J	657.55	147.21	15.960	0.243	Vega
2MASS_H	560.65	233.34	15.661	0.452	Vega
2MASS_K	688.0	275.96	14.968	0.435	Vega
WISE_W1	260.77	17.16	15.160	0.071	Vega
WISE_W2	207.68	19.54	14.767	0.102	Vega
WISE_W3	788.6	89.26	11.484	0.123	Vega
WISE_W4	695.52	519.47	10.174	0.811	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})\,	10.259	10.433	10.561
{\rm log}_{10}({\rm SFR})	0.301	0.711	1.147
{\rm log}_{10}({\rm sSFR})	-10.218	-9.747	-9.138
{\rm stellar\ age}	2.850	4.948	6.392

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.946	-0.490	-0.149
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.245	0.239	0.394

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.494	0.691	0.920
\delta	-0.780	-0.540	-0.236
\tau_1/\tau_2	0.614	0.963	1.339
Q_{PAH}	0.554	1.448	2.949
U_{min}	2.162	6.379	13.414
{\rm log}_{10}(\gamma_e)\,	-3.500	-2.670	-1.574

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.060	-2.585	-1.618
{\rm log}_{10}(\tau_{AGN})\,	0.948	1.346	1.849

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.267	0.518	0.725
0.03-0.10 Gyr	0.214	0.774	1.266
0.10-0.32 Gyr	0.349	0.870	1.259
0.32-1.02 Gyr	0.226	0.723	1.023
1.02-3.26 Gyr	0.154	0.610	0.864
3.26-10.42 Gyr	-0.222	0.438	0.697
10.42-11.57 Gyr	-0.493	0.403	0.953