2025acjy

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Information

Transient

Name: AT2025acjy
Right ascension: 1h23m57.63s
Declination: 1d39m21.25s
Discovery Date: Oct. 18, 2025, 4:03 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.028

Host

Name:
Right ascension: 1h23m57.79s
Declination: 1d39m20.16s
Redshift: None
Photometric Redshift: 0.194

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	11.25
Transient MWEBV	processed	0.05
Host match	processed	7.03
Host information	processed	0.12
Host MWEBV	processed	0.04
Global aperture construction	processed	0.63
Global aperture photometry	processed	5.63
Validate global photometry	processed	13.16
Global host SED inference	processed	413.0
Local aperture photometry	processed	5.37
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) = 1h23m57.63s, 1d39m21.25s
semi major axis, semi minor axis (arcsec) = 0.62, 0.62
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) = 1h23m57.77s, 1d39m20.27s
semi major axis, semi minor axis (arcsec) = 4.64, 3.06
angle (degrees, anti-clockwise from east) = -97.54

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	1.81	0.38	23.259	0.229	AB
GALEX_NUV	5.38	0.44	22.074	0.089	AB
DES_g	86.9	0.38	19.052	0.005	AB
PanSTARRS_g	92.18	1.02	18.988	0.012	AB
PanSTARRS_r	178.5	1.14	18.271	0.007	AB
DES_r	204.17	0.68	18.125	0.004	AB
SDSS_i	273.23	5.15	17.809	0.020	AB
PanSTARRS_i	270.73	1.12	17.819	0.004	AB
PanSTARRS_z	341.9	2.72	17.565	0.009	AB
SDSS_z	349.02	11.01	17.543	0.034	AB
DES_z	372.04	2.36	17.474	0.007	AB
PanSTARRS_y	373.59	6.9	17.469	0.020	AB
WISE_W1	284.4	12.47	15.066	0.048	Vega
WISE_W2	252.68	16.25	14.555	0.070	Vega
WISE_W3	984.76	64.06	11.243	0.071	Vega
WISE_W4	702.8	398.58	10.163	0.616	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})\,	10.681	10.770	10.904
{\rm log}_{10}({\rm SFR})	-0.866	0.329	0.947
{\rm log}_{10}({\rm sSFR})	-11.630	-10.436	-9.786
{\rm stellar\ age}	4.755	6.050	7.526

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.619	-1.153	-0.692
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.619	-0.366	0.324

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.434	0.598	0.794
\delta	-0.535	-0.291	-0.064
\tau_1/\tau_2	0.564	0.988	1.405
Q_{PAH}	0.822	2.335	4.347
U_{min}	2.576	7.852	15.996
{\rm log}_{10}(\gamma_e)\,	-3.326	-2.508	-1.360

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.689	-1.519	-1.202
{\rm log}_{10}(\tau_{AGN})\,	1.023	1.322	1.653

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.683	-0.563	0.112
0.03-0.10 Gyr	-1.059	0.444	1.096
0.10-0.32 Gyr	-0.075	0.808	1.231
0.32-1.01 Gyr	-0.608	0.710	1.053
1.01-3.22 Gyr	-0.211	0.819	1.143
3.22-10.23 Gyr	0.174	0.893	1.104
10.23-11.37 Gyr	-0.118	0.887	1.638