2025otj

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Information

Transient

Name: AT2025otj
Right ascension: 21h20m53.73s
Declination: 1d47m00.08s
Discovery Date: June 17, 2025, 10:39 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.053

Host

Name:
Right ascension: 21h20m53.73s
Declination: 1d46m59.93s
Redshift: None
Photometric Redshift: 0.142

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	7.03
Cutout download	processed	28.09
Global aperture construction	processed	0.65
Local aperture photometry	processed	6.25
Global aperture photometry	processed	5.46
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	16.51
Host information	processed	0.14
Global host SED inference	processed	446.49
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.2
Host MWEBV	processed	0.1
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) = 21h20m53.73s, 1d47m00.08s
semi major axis, semi minor axis (arcsec) = 0.8, 0.8
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) = 21h20m53.73s, 1d47m00.18s
semi major axis, semi minor axis (arcsec) = 3.95, 3.54
angle (degrees, anti-clockwise from east) = -101.58

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	0.2	0.39	25.635	2.080	AB
GALEX_NUV	1.69	0.44	23.328	0.283	AB
SDSS_u	8.87	3.48	21.531	0.426	AB
SDSS_g	56.23	2.19	19.525	0.042	AB
DES_g	61.52	0.38	19.428	0.007	AB
PanSTARRS_g	63.61	0.95	19.391	0.016	AB
SDSS_r	145.75	3.51	18.491	0.026	AB
PanSTARRS_r	149.07	1.49	18.467	0.011	AB
SDSS_i	222.47	4.65	18.032	0.023	AB
PanSTARRS_i	209.88	0.93	18.095	0.005	AB
PanSTARRS_z	267.75	3.01	17.831	0.012	AB
SDSS_z	270.04	12.79	17.821	0.051	AB
DES_z	294.86	2.28	17.726	0.008	AB
PanSTARRS_y	296.28	7.06	17.721	0.026	AB
2MASS_J	375.53	110.47	16.568	0.319	Vega
2MASS_H	633.58	173.51	15.528	0.297	Vega
2MASS_K	336.73	187.19	15.744	0.604	Vega
WISE_W1	172.16	14.16	15.611	0.089	Vega
WISE_W2	102.67	15.71	15.532	0.166	Vega
WISE_W3	39.52	57.2	14.734	1.572	Vega
WISE_W4	336.43	347.13	10.963	1.120	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})\,	10.400	10.461	10.582
{\rm log}_{10}({\rm SFR})	-0.769	-0.119	0.398
{\rm log}_{10}({\rm sSFR})	-11.241	-10.594	-10.035
{\rm stellar\ age}	6.830	7.668	11.146

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.352	-0.993	-0.765
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.046	-0.651	-0.323

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.277	0.415	0.550
\delta	-0.929	-0.792	-0.580
\tau_1/\tau_2	0.675	1.072	1.511
Q_{PAH}	0.814	2.572	4.894
U_{min}	3.301	9.034	16.739
{\rm log}_{10}(\gamma_e)\,	-2.535	-1.371	-0.435

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.072	-2.715	-1.698
{\rm log}_{10}(\tau_{AGN})\,	1.076	1.558	1.915

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.626	-0.145	0.137
0.03-0.10 Gyr	-1.197	-0.106	0.496
0.10-0.32 Gyr	-2.564	-0.411	0.211
0.32-1.04 Gyr	-3.351	-0.621	0.023
1.04-3.34 Gyr	-2.539	-0.248	0.311
3.34-10.76 Gyr	-0.640	0.610	0.759
10.76-11.95 Gyr	0.242	0.952	1.747