2025acjj

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Information

Transient

Name: AT2025acjj
Right ascension: 23h13m11.79s
Declination: -0d09m13.18s
Discovery Date: Oct. 2, 2025, 6:53 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name: 1150575
Right ascension: 23h13m11.76s
Declination: -0d09m15.16s
Redshift: 0.053335
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	13.86
Transient MWEBV	processed	0.03
Host match	processed	3.74
Host information	processed	0.09
Host MWEBV	processed	0.05
Global aperture construction	processed	0.69
Global aperture photometry	processed	6.38
Validate global photometry	processed	16.52
Global host SED inference	processed	520.74
Local aperture photometry	processed	6.28
Validate local photometry	processed	0.02
Local host SED inference	processed	611.66

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) = 23h13m11.79s, -0d09m13.18s
semi major axis, semi minor axis (arcsec) = 1.93, 1.93
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	74.68	2.77	19.217	0.040	AB
DES_g	194.6	0.43	18.177	0.002	AB
PanSTARRS_g	216.25	0.46	18.063	0.002	AB
SDSS_r	379.27	5.13	17.453	0.015	AB
PanSTARRS_r	382.91	0.68	17.442	0.002	AB
DES_r	412.37	0.68	17.362	0.002	AB
PanSTARRS_i	572.61	0.54	17.005	0.001	AB
PanSTARRS_z	656.9	1.53	16.856	0.003	AB
SDSS_z	705.53	8.66	16.779	0.013	AB
DES_z	700.89	2.15	16.786	0.003	AB
PanSTARRS_y	801.83	2.82	16.640	0.004	AB

Aperture details

RA, DEC (J2000) = 23h13m11.77s, -0d09m14.42s
semi major axis, semi minor axis (arcsec) = 7.73, 4.07
angle (degrees, anti-clockwise from east) = -84.46

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	15.18	0.77	20.947	0.055	AB
GALEX_NUV	35.1	0.7	20.037	0.022	AB
SDSS_u	176.85	5.98	18.281	0.037	AB
DES_g	503.81	0.72	17.144	0.002	AB
PanSTARRS_g	507.49	1.18	17.136	0.003	AB
SDSS_r	910.57	8.26	16.502	0.010	AB
PanSTARRS_r	911.95	1.7	16.500	0.002	AB
DES_r	1007.46	1.09	16.392	0.001	AB
PanSTARRS_i	1322.9	1.34	16.096	0.001	AB
PanSTARRS_z	1579.57	4.16	15.904	0.003	AB
SDSS_z	1710.01	18.71	15.818	0.012	AB
DES_z	1700.57	3.42	15.824	0.002	AB
PanSTARRS_y	1874.95	8.01	15.718	0.005	AB
2MASS_J	2429.09	147.81	14.541	0.066	Vega
2MASS_H	3332.31	259.87	13.726	0.085	Vega
2MASS_K	2929.03	255.56	13.395	0.095	Vega
WISE_W1	1446.46	23.68	13.300	0.018	Vega
WISE_W2	950.77	27.79	13.116	0.032	Vega
WISE_W3	4644.76	105.41	9.559	0.025	Vega
WISE_W4	7482.3	863.24	7.595	0.125	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})\,	9.951	10.055	10.177
{\rm log}_{10}({\rm SFR})	-0.710	-0.012	0.796
{\rm log}_{10}({\rm sSFR})	-10.747	-10.129	-9.253
{\rm stellar\ age}	6.765	8.273	11.507

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.590	-0.858	-0.450
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	0.017	0.292	0.427

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.221	0.822	1.434
\delta	-0.498	-0.063	0.157
\tau_1/\tau_2	0.651	1.059	1.435
Q_{PAH}	0.319	1.270	3.379
U_{min}	3.064	8.535	15.964
{\rm log}_{10}(\gamma_e)\,	-3.547	-2.447	-0.819

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.859	-1.102	0.035
{\rm log}_{10}(\tau_{AGN})\,	0.908	1.286	1.781

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.655	-0.165	0.348
0.03-0.10 Gyr	-0.848	0.021	0.911
0.10-0.33 Gyr	-2.027	-0.651	0.238
0.33-1.08 Gyr	-2.573	-0.883	-0.119
1.08-3.57 Gyr	-2.504	-0.677	0.012
3.57-11.74 Gyr	-0.774	0.091	0.283
11.74-13.04 Gyr	-0.239	0.540	1.196

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.241	10.354	10.500
{\rm log}_{10}({\rm SFR})	0.326	0.712	1.075
{\rm log}_{10}({\rm sSFR})	-10.091	-9.631	-9.230
{\rm stellar\ age}	7.041	8.055	11.611

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.337	-0.689	-0.359
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.277	0.336	0.454

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.408	0.618	0.869
\delta	-0.601	-0.365	-0.147
\tau_1/\tau_2	0.494	0.884	1.309
Q_{PAH}	1.052	1.978	3.223
U_{min}	2.891	7.973	15.908
{\rm log}_{10}(\gamma_e)\,	-3.381	-2.574	-1.688

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.744	-1.945	-1.576
{\rm log}_{10}(\tau_{AGN})\,	0.957	1.327	1.786

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.308	-0.485	0.101
0.03-0.10 Gyr	0.465	0.860	1.229
0.10-0.33 Gyr	-2.537	-0.576	0.317
0.33-1.08 Gyr	-3.935	-0.970	-0.072
1.08-3.57 Gyr	-2.837	-0.400	0.250
3.57-11.74 Gyr	-0.590	0.382	0.618
11.74-13.04 Gyr	-0.204	0.748	1.554