2025ak

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Information

Transient

Name: AT2025ak
Right ascension: 1h08m36.03s
Declination: 59d00m20.70s
Discovery Date: Jan. 3, 2025, 4:15 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.620

Host

Name: 2025ak
Right ascension: 1h08m33.61s
Declination: 59d00m35.97s
Redshift: None
Photometric Redshift: 0.019

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	5.56
Cutout download	processed	3.77
Global aperture construction	processed	0.85
Local aperture photometry	processed	4.72
Global aperture photometry	processed	5.1
Validate local photometry	processed	0.02
Validate global photometry	processed	9.22
Host information	processed	0.1
Global host SED inference	processed	1023.83
Local host SED inference	processed	1237.26
Transient information	processed	0.0
Transient MWEBV	processed	0.08
Host MWEBV	processed	0.1
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) = 1h08m36.03s, 59d00m20.70s
semi major axis, semi minor axis (arcsec) = 5.16, 5.16
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	-3.99	1.83			AB
PanSTARRS_r	19.14	2.73	20.695	0.155	AB
PanSTARRS_i	5.32	3.77	22.085	0.769	AB
PanSTARRS_z	54.97	5.08	19.550	0.100	AB
PanSTARRS_y	56.01	13.95	19.529	0.270	AB
2MASS_J	162.7	133.39	17.477	0.890	Vega
2MASS_H	-97.63	206.46			Vega
2MASS_K	146.77	210.36	16.646	1.556	Vega

Aperture details

RA, DEC (J2000) = 1h08m33.71s, 59d00m34.52s
semi major axis, semi minor axis (arcsec) = 21.45, 11.98
angle (degrees, anti-clockwise from east) = -31.92

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
PanSTARRS_g	9989.79	6.15	13.901	0.001	AB
PanSTARRS_y	130828.64	43.12	11.108	0.000	AB
2MASS_H	340339.94	732.68	8.703	0.002	Vega
WISE_W1	124842.66	442.49	8.460	0.004	Vega
WISE_W2	65298.31	324.24	8.524	0.005	Vega
WISE_W4	3754.82	1459.68	8.344	0.422	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	7.938	8.246	8.420
${\rm log}_{10}({\rm SFR})$	-2.411	-1.687	-0.745
${\rm log}_{10}({\rm sSFR})$	-10.761	-9.959	-8.815
${\rm stellar\ age}$	2.318	6.744	8.659

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.451	-0.661	-0.008
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.784	-1.049	-0.424

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.443	0.854	1.231
$\delta$	-0.638	-0.175	0.221
$\tau_1/\tau_2$	0.430	0.836	1.296
$Q_{PAH}$	0.485	1.848	5.057
$U_{min}$	2.961	8.428	15.626
${\rm log}_{10}(\gamma_e)\,$	-3.439	-2.258	-0.774

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-3.696	-1.215	-0.361
${\rm log}_{10}(\tau_{AGN})\,$	1.106	1.631	1.964

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.243	-1.565	-1.071
0.03-0.10 Gyr	-3.101	-2.004	-0.656
0.10-0.33 Gyr	-3.460	-2.254	-1.436
0.33-1.10 Gyr	-3.605	-2.049	-1.472
1.10-3.66 Gyr	-3.949	-1.922	-1.526
3.66-12.15 Gyr	-3.465	-1.788	-1.491
12.15-13.50 Gyr	-3.236	-1.752	-1.052

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	11.572	11.725	11.833
${\rm log}_{10}({\rm SFR})$	-5.299	-1.768	0.131
${\rm log}_{10}({\rm sSFR})$	-16.767	-13.387	-11.552
${\rm stellar\ age}$	7.770	11.044	12.822

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.662	-1.191	-0.819
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.596	-0.823	0.032

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.236	0.466	0.668
$\delta$	-0.867	-0.600	-0.233
$\tau_1/\tau_2$	0.424	0.921	1.466
$Q_{PAH}$	0.269	1.463	4.348
$U_{min}$	3.308	9.667	17.369
${\rm log}_{10}(\gamma_e)\,$	-3.667	-2.812	-1.238

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.737	-4.105	-3.179
${\rm log}_{10}(\tau_{AGN})\,$	1.292	1.804	2.066

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-6.323	-2.656	-0.340
0.03-0.10 Gyr	-5.982	-2.247	0.152
0.10-0.33 Gyr	-5.853	-2.670	0.016
0.33-1.10 Gyr	-5.515	-2.264	0.348
1.10-3.66 Gyr	-3.486	-0.997	1.473
3.66-12.15 Gyr	-1.189	1.048	1.937
12.15-13.50 Gyr	0.052	2.672	2.956