2025ojs

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Information

Transient

Name: AT2025ojs
Right ascension: 16h01m55.25s
Declination: 55d13m01.46s
Discovery Date: June 20, 2025, 7:15 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.007

Host

Name:
Right ascension: 16h01m55.06s
Declination: 55d13m02.22s
Redshift: 0.107055
Photometric Redshift: 0.106

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	22.65
Transient MWEBV	processed	0.06
Host match	processed	7.02
Host information	processed	0.16
Host MWEBV	processed	0.05
Global aperture construction	processed	0.65
Global aperture photometry	processed	4.76
Validate global photometry	processed	14.06
Global host SED inference	processed	394.39
Local aperture photometry	processed	5.3
Validate local photometry	processed	0.02
Local host SED inference	processed	597.19

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) = 16h01m55.25s, 55d13m01.46s
semi major axis, semi minor axis (arcsec) = 1.02, 1.02
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_y	26.91	1.66	20.325	0.067	AB

Aperture details

RA, DEC (J2000) = 16h01m55.04s, 55d13m02.36s
semi major axis, semi minor axis (arcsec) = 8.35, 4.28
angle (degrees, anti-clockwise from east) = -44.55

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	36.47	0.78	19.995	0.023	AB
GALEX_NUV	51.67	0.28	19.617	0.006	AB
SDSS_u	70.56	5.56	19.279	0.085	AB
SDSS_g	195.36	4.05	18.173	0.023	AB
PanSTARRS_g	203.78	1.43	18.127	0.008	AB
SDSS_r	244.79	4.94	17.928	0.022	AB
PanSTARRS_r	272.33	1.7	17.812	0.007	AB
SDSS_i	326.45	6.37	17.615	0.021	AB
PanSTARRS_i	329.39	1.71	17.606	0.006	AB
PanSTARRS_z	322.03	3.62	17.630	0.012	AB
SDSS_z	376.38	16.13	17.461	0.047	AB
PanSTARRS_y	318.34	9.59	17.643	0.033	AB
2MASS_J	414.32	157.61	16.462	0.413	Vega
2MASS_H	232.32	229.05	16.617	1.070	Vega
2MASS_K	763.1	263.06	14.856	0.374	Vega
WISE_W1	228.7	9.24	15.303	0.044	Vega
WISE_W2	172.84	9.54	14.967	0.060	Vega
WISE_W3	577.2	37.86	11.823	0.071	Vega
WISE_W4	707.81	220.71	10.155	0.339	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

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Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.322	8.900	9.159
{\rm log}_{10}({\rm SFR})	-1.033	-0.361	0.096
{\rm log}_{10}({\rm sSFR})	-10.013	-9.264	-8.266
{\rm stellar\ age}	1.005	5.791	7.961

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.470	-0.533	0.047
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.271	-0.576	0.065

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.453	0.883	1.453
\delta	-0.549	-0.132	0.142
\tau_1/\tau_2	0.482	0.928	1.425
Q_{PAH}	0.777	2.683	5.277
U_{min}	3.156	8.327	15.920
{\rm log}_{10}(\gamma_e)\,	-3.208	-2.077	-0.793

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.284	-1.052	0.013
{\rm log}_{10}(\tau_{AGN})\,	0.951	1.487	1.961

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.770	-0.207	0.316
0.03-0.10 Gyr	-2.214	-0.869	0.019
0.10-0.32 Gyr	-3.635	-1.508	-0.653
0.32-1.06 Gyr	-4.095	-1.522	-0.741
1.06-3.43 Gyr	-3.809	-1.439	-0.783
3.43-11.13 Gyr	-3.464	-1.187	-0.724
11.13-12.37 Gyr	-3.187	-1.206	-0.327

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.704	9.846	9.976
{\rm log}_{10}({\rm SFR})	-0.064	0.209	0.454
{\rm log}_{10}({\rm sSFR})	-9.917	-9.636	-9.346
{\rm stellar\ age}	1.996	4.182	5.728

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.296	-0.813	-0.359
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.775	-1.316	-0.043

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.137	0.249	0.399
\delta	-0.302	0.074	0.281
\tau_1/\tau_2	0.731	1.055	1.364
Q_{PAH}	1.040	2.264	4.381
U_{min}	2.535	6.956	13.876
{\rm log}_{10}(\gamma_e)\,	-2.911	-1.922	-1.256

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.652	-2.157	-1.513
{\rm log}_{10}(\tau_{AGN})\,	0.917	1.272	1.786

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.160	0.073	0.275
0.03-0.10 Gyr	-0.104	0.258	0.548
0.10-0.32 Gyr	0.374	0.620	0.853
0.32-1.06 Gyr	0.203	0.480	0.712
1.06-3.43 Gyr	-0.479	-0.019	0.234
3.43-11.13 Gyr	-1.038	-0.304	0.003
11.13-12.37 Gyr	-1.185	-0.302	0.197