2025akkc

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Information

Transient

Name: AT2025akkc
Right ascension: 23h03m05.79s
Declination: 8d01m29.59s
Discovery Date: Sept. 17, 2025, 7:19 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.042

Host

Name:
Right ascension: 23h03m05.70s
Declination: 8d01m30.17s
Redshift: None
Photometric Redshift: 0.076

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	15.88
Transient MWEBV	processed	0.04
Host match	processed	5.42
Host information	processed	0.17
Host MWEBV	processed	0.04
Global aperture construction	processed	0.64
Global aperture photometry	processed	5.21
Validate global photometry	processed	15.8
Global host SED inference	processed	388.28
Local aperture photometry	processed	5.31
Validate local photometry	processed	0.03
Local host SED inference	processed	407.06

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) = 23h03m05.79s, 8d01m29.59s
semi major axis, semi minor axis (arcsec) = 1.39, 1.39
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	24.96	0.4	20.407	0.017	AB
SDSS_r	40.47	1.77	19.882	0.048	AB
PanSTARRS_r	33.94	0.32	20.073	0.010	AB
SDSS_i	52.54	2.15	19.599	0.045	AB
PanSTARRS_i	47.84	0.5	19.701	0.011	AB
PanSTARRS_z	49.88	0.96	19.655	0.021	AB
SDSS_z	55.86	4.37	19.532	0.085	AB
PanSTARRS_y	57.05	2.77	19.509	0.053	AB

Aperture details

RA, DEC (J2000) = 23h03m05.69s, 8d01m30.38s
semi major axis, semi minor axis (arcsec) = 6.71, 4.57
angle (degrees, anti-clockwise from east) = -69.47

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	10.15	0.86	21.384	0.092	AB
GALEX_NUV	12.68	0.69	21.143	0.059	AB
SDSS_u	55.47	5.17	19.540	0.101	AB
SDSS_g	114.05	3.15	18.757	0.030	AB
PanSTARRS_g	121.09	1.57	18.692	0.014	AB
SDSS_r	173.37	4.32	18.303	0.027	AB
PanSTARRS_r	166.39	1.21	18.347	0.008	AB
SDSS_i	230.53	5.81	17.993	0.027	AB
PanSTARRS_i	231.78	1.95	17.987	0.009	AB
PanSTARRS_z	253.41	3.74	17.890	0.016	AB
SDSS_z	212.12	16.26	18.084	0.083	AB
PanSTARRS_y	298.92	10.93	17.711	0.040	AB
2MASS_J	174.53	141.41	17.400	0.880	Vega
2MASS_H	826.84	224.4	15.239	0.295	Vega
2MASS_K	348.55	239.32	15.707	0.745	Vega
WISE_W1	207.43	13.74	15.409	0.072	Vega
WISE_W3	60.93	77.07	14.264	1.373	Vega

Imaging data

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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})\,	8.728	8.951	9.085
{\rm log}_{10}({\rm SFR})	-1.297	-0.721	-0.118
{\rm log}_{10}({\rm sSFR})	-10.302	-9.684	-8.953
{\rm stellar\ age}	1.968	5.392	7.022

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.661	-1.026	-0.274
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.567	-0.745	0.128

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.213	0.624	1.081
\delta	-0.530	-0.141	0.196
\tau_1/\tau_2	0.736	1.069	1.429
Q_{PAH}	0.691	2.038	4.650
U_{min}	2.901	8.223	14.970
{\rm log}_{10}(\gamma_e)\,	-2.947	-1.802	-0.660

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.795	-0.766	-0.066
{\rm log}_{10}(\tau_{AGN})\,	1.024	1.492	1.948

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.275	-0.909	-0.538
0.03-0.10 Gyr	-1.518	-0.707	0.004
0.10-0.33 Gyr	-1.446	-0.749	-0.151
0.33-1.07 Gyr	-1.548	-0.849	-0.391
1.07-3.51 Gyr	-1.931	-0.997	-0.698
3.51-11.48 Gyr	-2.393	-1.115	-0.828
11.48-12.75 Gyr	-2.412	-1.147	-0.614

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.373	9.522	9.629
{\rm log}_{10}({\rm SFR})	-0.203	0.160	0.527
{\rm log}_{10}({\rm sSFR})	-9.763	-9.344	-8.899
{\rm stellar\ age}	3.532	5.383	6.687

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.912	-0.400	-0.134
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.612	0.164	0.367

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.205	0.375	0.622
\delta	-0.721	-0.405	-0.145
\tau_1/\tau_2	0.677	1.072	1.420
Q_{PAH}	0.840	2.362	4.450
U_{min}	2.513	6.936	13.641
{\rm log}_{10}(\gamma_e)\,	-3.196	-2.007	-0.923

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.782	-2.216	-1.271
{\rm log}_{10}(\tau_{AGN})\,	1.019	1.399	1.850

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.584	-0.381	-0.206
0.03-0.10 Gyr	-0.137	0.283	0.673
0.10-0.33 Gyr	-0.295	0.103	0.435
0.33-1.07 Gyr	-0.810	-0.247	0.044
1.07-3.51 Gyr	-0.834	-0.378	-0.129
3.51-11.48 Gyr	-1.038	-0.515	-0.286
11.48-12.75 Gyr	-1.183	-0.516	-0.055