2025cj

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Information

Transient

Name: AT2025cj
Right ascension: 8h39m07.97s
Declination: 45d07m50.30s
Discovery Date: Jan. 5, 2025, 12:52 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.023

Host

Name: 2025cj
Right ascension: 8h39m09.28s
Declination: 45d07m47.91s
Redshift: 0.037959
Photometric Redshift: 0.033

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	3.35
Cutout download	processed	15.98
Global aperture construction	processed	0.88
Local aperture photometry	processed	6.51
Global aperture photometry	processed	6.77
Validate local photometry	processed	0.02
Validate global photometry	processed	19.04
Host information	processed	0.11
Global host SED inference	processed	791.97
Local host SED inference	processed	627.93
Transient information	processed	0.0
Transient MWEBV	processed	0.08
Host MWEBV	processed	0.08
Log transient processing status	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) = 8h39m07.97s, 45d07m50.30s
semi major axis, semi minor axis (arcsec) = 2.66, 2.66
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
SDSS_u	16.79	2.03	20.837	0.131	AB
SDSS_g	53.86	2.02	19.572	0.041	AB
PanSTARRS_g	59.82	0.45	19.458	0.008	AB
SDSS_r	85.42	2.64	19.071	0.033	AB
PanSTARRS_r	98.31	0.45	18.918	0.005	AB
SDSS_i	111.99	3.26	18.777	0.032	AB
PanSTARRS_i	115.46	0.93	18.744	0.009	AB
PanSTARRS_z	129.3	1.83	18.621	0.015	AB
SDSS_z	128.29	9.77	18.630	0.083	AB
PanSTARRS_y	168.39	4.88	18.334	0.031	AB

Aperture details

RA, DEC (J2000) = 8h39m09.26s, 45d07m47.60s
semi major axis, semi minor axis (arcsec) = 31.02, 26.53
angle (degrees, anti-clockwise from east) = -42.64

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
SDSS_u	1554.59	21.64	15.921	0.015	AB
SDSS_g	4335.64	18.72	14.807	0.005	AB
PanSTARRS_g	4617.07	4.84	14.739	0.001	AB
SDSS_i	10484.08	32.83	13.849	0.003	AB
PanSTARRS_i	10176.29	9.79	13.881	0.001	AB
PanSTARRS_z	12335.65	19.57	13.672	0.002	AB
SDSS_z	12785.53	105.26	13.633	0.009	AB
2MASS_J	14662.2	722.68	12.590	0.054	Vega
2MASS_H	17624.94	1090.67	11.917	0.067	Vega
2MASS_K	15154.65	1296.67	11.611	0.093	Vega
WISE_W2	5279.77	86.26	11.254	0.018	Vega
WISE_W3	18032.31	448.75	8.086	0.027	Vega
WISE_W4	21910.08	2349.96	6.428	0.116	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	8.656	8.830	8.988
${\rm log}_{10}({\rm SFR})$	-1.462	-1.028	-0.648
${\rm log}_{10}({\rm sSFR})$	-10.359	-9.866	-9.401
${\rm stellar\ age}$	4.339	6.642	8.301

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.589	-1.017	-0.362
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-0.405	0.017	0.225

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.325	0.629	0.963
$\delta$	-0.556	-0.185	0.146
$\tau_1/\tau_2$	0.785	1.103	1.448
$Q_{PAH}$	0.450	1.795	4.251
$U_{min}$	2.880	7.762	14.407
${\rm log}_{10}(\gamma_e)\,$	-3.226	-2.171	-0.963

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-3.814	-1.887	-0.631
${\rm log}_{10}(\tau_{AGN})\,$	0.961	1.422	1.855

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.329	-0.997	-0.678
0.03-0.10 Gyr	-1.740	-1.078	-0.617
0.10-0.33 Gyr	-1.883	-1.118	-0.651
0.33-1.09 Gyr	-1.926	-1.179	-0.762
1.09-3.61 Gyr	-1.762	-1.164	-0.896
3.61-11.92 Gyr	-1.681	-1.138	-0.888
11.92-13.25 Gyr	-1.728	-1.097	-0.534

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	10.808	10.900	11.027
${\rm log}_{10}({\rm SFR})$	0.062	0.920	1.322
${\rm log}_{10}({\rm sSFR})$	-10.922	-9.983	-9.524
${\rm stellar\ age}$	7.201	8.460	12.054

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.099	-0.609	-0.380
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.356	0.143	0.402

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.161	0.329	0.575
$\delta$	-0.637	-0.253	0.209
$\tau_1/\tau_2$	0.565	1.001	1.436
$Q_{PAH}$	0.857	1.748	3.089
$U_{min}$	2.724	7.720	15.730
${\rm log}_{10}(\gamma_e)\,$	-3.649	-2.653	-1.604

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.041	-2.731	-1.562
${\rm log}_{10}(\tau_{AGN})\,$	1.005	1.488	1.848

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.612	-0.034	0.625
0.03-0.10 Gyr	0.149	1.041	1.475
0.10-0.33 Gyr	-1.651	0.127	0.881
0.33-1.09 Gyr	-2.917	-0.405	0.386
1.09-3.61 Gyr	-2.104	0.015	0.803
3.61-11.92 Gyr	-0.297	0.923	1.141
11.92-13.25 Gyr	0.384	1.364	2.117