2025ocj

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Information

Transient

Name: AT2025ocj
Right ascension: 21h20m55.58s
Declination: -1d31m56.09s
Discovery Date: June 18, 2025, 3:36 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.041

Host

Name:
Right ascension: 21h20m55.55s
Declination: -1d31m55.84s
Redshift: None
Photometric Redshift: 0.166

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	7.31
Cutout download	processed	36.43
Global aperture construction	processed	2.73
Local aperture photometry	processed	7.25
Global aperture photometry	processed	6.32
Validate local photometry	no valid phot	0.03
Validate global photometry	processed	19.03
Host information	processed	0.16
Global host SED inference	processed	523.46
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.07
Host MWEBV	processed	0.05
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) = 21h20m55.58s, -1d31m56.09s
semi major axis, semi minor axis (arcsec) = 0.7, 0.7
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) = 21h20m55.52s, -1d31m55.84s
semi major axis, semi minor axis (arcsec) = 1.89, 1.23
angle (degrees, anti-clockwise from east) = -162.58

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	1.26	0.28	23.648	0.242	AB
GALEX_NUV	1.38	0.26	23.547	0.205	AB
SDSS_u	2.62	1.51	22.854	0.624	AB
SDSS_g	4.15	0.73	22.355	0.192	AB
DES_g	4.39	0.09	22.295	0.022	AB
PanSTARRS_g	4.24	0.36	22.332	0.092	AB
SDSS_r	5.39	0.91	22.072	0.184	AB
PanSTARRS_r	6.27	0.44	21.907	0.076	AB
DES_r	6.45	0.13	21.875	0.022	AB
SDSS_i	5.51	1.34	22.047	0.264	AB
PanSTARRS_i	6.01	0.36	21.953	0.065	AB
PanSTARRS_z	5.46	0.98	22.056	0.195	AB
SDSS_z	2.62	4.46	22.856	1.849	AB
DES_z	7.95	1.22	21.649	0.167	AB
PanSTARRS_y	12.48	2.48	21.160	0.216	AB
2MASS_J	105.15	77.14	17.951	0.796	Vega
2MASS_H	-45.39	118.4			Vega
2MASS_K	96.05	126.12	17.106	1.426	Vega
WISE_W1	1.92	7.43	20.494	4.208	Vega
WISE_W2	-5.49	10.62			Vega
WISE_W3	-0.69	38.89			Vega
WISE_W4	165.16	375.33	11.735	2.467	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})\,	8.184	8.541	8.819
{\rm log}_{10}({\rm SFR})	-0.445	0.129	0.747
{\rm log}_{10}({\rm sSFR})	-9.062	-8.116	-7.915
{\rm stellar\ age}	0.066	0.247	3.846

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.606	-0.837	-0.022
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.250	-0.439	0.066

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.358	0.967	1.763
\delta	0.051	0.234	0.345
\tau_1/\tau_2	0.536	1.072	1.552
Q_{PAH}	1.303	3.360	5.581
U_{min}	4.253	11.138	19.254
{\rm log}_{10}(\gamma_e)\,	-2.927	-1.894	-0.786

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.840	-0.709	0.061
{\rm log}_{10}(\tau_{AGN})\,	0.991	1.390	1.799

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.796	-0.652	0.016
0.03-0.10 Gyr	-0.434	0.236	0.897
0.10-0.32 Gyr	-2.784	-0.854	-0.046
0.32-1.03 Gyr	-5.234	-2.632	-0.970
1.03-3.28 Gyr	-7.709	-3.819	-1.482
3.28-10.51 Gyr	-8.738	-4.140	-1.621
10.51-11.68 Gyr	-8.772	-3.873	-1.478