2025acyh

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Information

Transient

Name: AT2025acyh
Right ascension: 3h28m51.53s
Declination: -0d43m25.41s
Discovery Date: Nov. 10, 2025, 11:06 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.086

Host

Name:
Right ascension: 3h28m51.36s
Declination: -0d43m26.31s
Redshift: None
Photometric Redshift: 0.184

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	19.41
Transient MWEBV	processed	0.03
Host match	processed	4.95
Host information	processed	0.17
Host MWEBV	processed	0.04
Global aperture construction	processed	2.76
Global aperture photometry	processed	7.54
Validate global photometry	processed	18.62
Global host SED inference	processed	406.16
Local aperture photometry	processed	6.76
Validate local photometry	no valid phot	0.03
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) = 3h28m51.53s, -0d43m25.41s
semi major axis, semi minor axis (arcsec) = 0.65, 0.65
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) = 3h28m51.35s, -0d43m25.94s
semi major axis, semi minor axis (arcsec) = 7.61, 5.86
angle (degrees, anti-clockwise from east) = -142.52

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	6.1	0.93	21.936	0.166	AB
GALEX_NUV	7.3	0.52	21.742	0.078	AB
SDSS_u	26.71	5.08	20.333	0.207	AB
SDSS_g	58.62	2.88	19.480	0.053	AB
DES_g	52.89	0.5	19.592	0.010	AB
PanSTARRS_g	59.42	1.97	19.465	0.036	AB
SDSS_r	96.63	4.48	18.937	0.050	AB
PanSTARRS_r	83.27	1.79	19.099	0.023	AB
DES_r	92.9	1.05	18.980	0.012	AB
SDSS_i	132.55	6.63	18.594	0.054	AB
PanSTARRS_i	107.05	2.15	18.826	0.022	AB
PanSTARRS_z	128.53	5.0	18.627	0.042	AB
SDSS_z	121.04	22.26	18.693	0.200	AB
DES_z	135.03	2.01	18.574	0.016	AB
PanSTARRS_y	136.46	9.93	18.563	0.079	AB
2MASS_J	-21.24	158.21			Vega
2MASS_H	-52.93	258.58			Vega
2MASS_K	28.43	276.34	18.428	10.553	Vega
WISE_W1	110.85	11.65	16.089	0.114	Vega
WISE_W2	73.52	18.17	15.895	0.268	Vega
WISE_W3	74.94	94.67	14.039	1.372	Vega
WISE_W4	176.22	458.05	11.665	2.822	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})\,	9.764	9.949	10.118
{\rm log}_{10}({\rm SFR})	-0.172	0.483	0.911
{\rm log}_{10}({\rm sSFR})	-10.150	-9.476	-8.983
{\rm stellar\ age}	0.717	2.725	4.701

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.559	-1.014	-0.335
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.609	0.016	0.368

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.280	0.435	0.631
\delta	-0.412	-0.118	0.071
\tau_1/\tau_2	0.614	1.044	1.444
Q_{PAH}	1.025	2.434	4.244
U_{min}	2.687	7.927	15.096
{\rm log}_{10}(\gamma_e)\,	-3.206	-2.388	-1.327

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.202	-2.812	-1.631
{\rm log}_{10}(\tau_{AGN})\,	0.919	1.364	1.859

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.486	-0.076	0.173
0.03-0.10 Gyr	-0.254	0.601	1.063
0.10-0.32 Gyr	0.664	0.993	1.333
0.32-1.02 Gyr	-0.333	0.559	0.933
1.02-3.24 Gyr	-1.579	-0.085	0.363
3.24-10.34 Gyr	-2.166	-0.462	0.087
10.34-11.48 Gyr	-2.235	-0.484	0.209