2025ryd

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Information

Transient

Name: AT2025ryd
Right ascension: 18h16m42.29s
Declination: 58d11m34.26s
Discovery Date: July 20, 2025, 7:16 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.033

Host

Name:
Right ascension: 18h16m42.46s
Declination: 58d11m36.56s
Redshift: None
Photometric Redshift: 0.179

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	5.94
Cutout download	processed	12.34
Global aperture construction	processed	0.68
Local aperture photometry	processed	5.51
Global aperture photometry	processed	4.85
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	12.17
Host information	processed	0.15
Global host SED inference	processed	409.94
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.05
Host MWEBV	processed	0.04
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) = 18h16m42.29s, 58d11m34.26s
semi major axis, semi minor axis (arcsec) = 0.66, 0.66
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) = 18h16m42.44s, 58d11m36.84s
semi major axis, semi minor axis (arcsec) = 6.43, 5.29
angle (degrees, anti-clockwise from east) = -50.15

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	12.12	2.78	21.191	0.249	AB
GALEX_NUV	24.66	2.54	20.420	0.112	AB
DES_g	126.74	1.1	18.643	0.009	AB
PanSTARRS_r	262.46	1.69	17.852	0.007	AB
PanSTARRS_i	369.16	1.44	17.482	0.004	AB
PanSTARRS_z	452.44	6.07	17.261	0.015	AB
DES_z	461.06	4.59	17.241	0.011	AB
PanSTARRS_y	500.06	12.59	17.152	0.027	AB
2MASS_J	494.06	144.53	16.271	0.318	Vega
2MASS_H	1312.78	219.01	14.737	0.181	Vega
2MASS_K	768.71	207.21	14.848	0.293	Vega
WISE_W2	219.05	9.54	14.710	0.047	Vega
WISE_W3	381.53	33.22	12.272	0.095	Vega
WISE_W4	342.51	239.37	10.943	0.759	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})\,	10.816	10.868	10.953
{\rm log}_{10}({\rm SFR})	0.578	0.840	1.074
{\rm log}_{10}({\rm sSFR})	-10.307	-10.036	-9.792
{\rm stellar\ age}	6.365	7.063	9.201

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.953	-0.644	-0.424
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.686	-0.759	0.140

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.196	0.356	0.566
\delta	-0.228	0.083	0.277
\tau_1/\tau_2	0.688	1.076	1.453
Q_{PAH}	0.488	1.265	2.675
U_{min}	2.563	7.199	13.840
{\rm log}_{10}(\gamma_e)\,	-3.199	-2.481	-1.700

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.409	-3.493	-2.447
{\rm log}_{10}(\tau_{AGN})\,	0.996	1.477	1.901

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.112	0.323	0.584
0.03-0.10 Gyr	0.647	0.955	1.216
0.10-0.32 Gyr	0.199	0.726	1.011
0.32-1.02 Gyr	-0.427	0.340	0.685
1.02-3.25 Gyr	-0.464	0.485	0.838
3.25-10.38 Gyr	0.724	1.060	1.175
10.38-11.53 Gyr	0.761	1.285	1.934