2025acka

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Information

Transient

Name: AT2025acka
Right ascension: 1h53m38.51s
Declination: -0d39m40.85s
Discovery Date: Oct. 18, 2025, 4:22 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.029

Host

Name: 1137821
Right ascension: 1h53m38.81s
Declination: -0d39m37.76s
Redshift: None
Photometric Redshift: 0.171

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	16.82
Transient MWEBV	processed	0.03
Host match	processed	4.58
Host information	processed	0.1
Host MWEBV	processed	0.04
Global aperture construction	processed	0.62
Global aperture photometry	processed	6.14
Validate global photometry	processed	13.9
Global host SED inference	processed	396.14
Local aperture photometry	processed	6.05
Validate local photometry	no valid phot	0.02
Local host SED inference	not 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) = 1h53m38.51s, -0d39m40.85s
semi major axis, semi minor axis (arcsec) = 0.69, 0.69
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) = 1h53m38.82s, -0d39m37.70s
semi major axis, semi minor axis (arcsec) = 11.09, 4.49
angle (degrees, anti-clockwise from east) = -104.66

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	8.87	0.61	21.530	0.074	AB
GALEX_NUV	14.61	0.54	20.989	0.040	AB
DES_g	153.77	0.55	18.433	0.004	AB
PanSTARRS_g	174.01	1.79	18.299	0.011	AB
PanSTARRS_r	368.77	1.83	17.483	0.005	AB
DES_r	374.87	0.95	17.465	0.003	AB
PanSTARRS_i	542.24	2.2	17.065	0.004	AB
PanSTARRS_z	672.61	4.63	16.831	0.007	AB
DES_z	712.25	3.08	16.768	0.005	AB
PanSTARRS_y	854.25	11.8	16.571	0.015	AB
2MASS_J	1173.8	156.83	15.331	0.145	Vega
2MASS_H	1750.27	243.09	14.425	0.151	Vega
2MASS_K	1721.42	278.5	13.972	0.176	Vega
WISE_W1	649.27	15.03	14.170	0.025	Vega
WISE_W2	450.65	20.52	13.926	0.049	Vega
WISE_W3	659.84	64.31	11.677	0.106	Vega
WISE_W4	1135.54	422.55	9.642	0.404	Vega

Imaging data

Click the image to load the interactive plot.

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})\,	11.045	11.071	11.113
{\rm log}_{10}({\rm SFR})	0.481	0.670	0.860
{\rm log}_{10}({\rm sSFR})	-10.601	-10.407	-10.202
{\rm stellar\ age}	6.878	7.472	9.153

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.275	-0.172	-0.082
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.641	-0.589	0.171

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.147	0.197	0.272
\delta	-0.896	-0.701	-0.451
\tau_1/\tau_2	0.839	1.213	1.554
Q_{PAH}	0.856	1.922	3.729
U_{min}	2.606	7.630	13.904
{\rm log}_{10}(\gamma_e)\,	-2.801	-1.950	-1.214

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.498	-3.608	-2.530
{\rm log}_{10}(\tau_{AGN})\,	1.067	1.546	1.933

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.316	0.524	0.697
0.03-0.10 Gyr	0.466	0.723	0.953
0.10-0.32 Gyr	0.111	0.448	0.703
0.32-1.02 Gyr	-0.107	0.276	0.515
1.02-3.27 Gyr	-0.012	0.475	0.804
3.27-10.46 Gyr	1.011	1.297	1.371
10.46-11.62 Gyr	1.111	1.559	2.068