2025bk

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Information

Transient

Name: AT2025bk
Right ascension: 12h53m47.06s
Declination: 59d03m13.31s
Discovery Date: Jan. 4, 2025, 1:43 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.009

Host

Name: 2025bk
Right ascension: 12h53m47.20s
Declination: 59d03m13.52s
Redshift: 0.066391
Photometric Redshift: 0.063

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	2.65
Cutout download	processed	16.49
Global aperture construction	processed	0.83
Local aperture photometry	processed	5.82
Global aperture photometry	processed	6.02
Validate local photometry	processed	0.02
Validate global photometry	processed	17.89
Host information	processed	0.11
Global host SED inference	processed	638.8
Local host SED inference	processed	639.2
Transient information	processed	0.0
Transient MWEBV	processed	0.06
Host MWEBV	processed	0.07
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) = 12h53m47.06s, 59d03m13.31s
semi major axis, semi minor axis (arcsec) = 1.57, 1.57
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	34.75	1.9	20.048	0.059	AB
SDSS_g	204.4	3.74	18.124	0.020	AB
PanSTARRS_g	222.71	0.58	18.031	0.003	AB
SDSS_r	462.85	5.64	17.236	0.013	AB
PanSTARRS_r	409.58	0.83	17.369	0.002	AB
SDSS_i	681.51	6.89	16.816	0.011	AB
PanSTARRS_i	670.77	0.6	16.834	0.001	AB
PanSTARRS_z	755.21	1.41	16.705	0.002	AB
SDSS_z	886.92	9.2	16.530	0.011	AB
PanSTARRS_y	963.87	2.75	16.440	0.003	AB

Aperture details

RA, DEC (J2000) = 12h53m47.18s, 59d03m13.82s
semi major axis, semi minor axis (arcsec) = 8.27, 6.27
angle (degrees, anti-clockwise from east) = -170.78

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
SDSS_u	110.93	6.21	18.787	0.061	AB
SDSS_g	613.02	6.8	16.931	0.012	AB
PanSTARRS_g	689.58	2.12	16.804	0.003	AB
SDSS_r	1319.55	10.08	16.099	0.008	AB
PanSTARRS_r	1286.99	3.23	16.126	0.003	AB
SDSS_i	1920.75	12.71	15.691	0.007	AB
PanSTARRS_i	1858.22	2.24	15.727	0.001	AB
PanSTARRS_z	2233.31	5.7	15.528	0.003	AB
SDSS_z	2544.01	26.36	15.386	0.011	AB
PanSTARRS_y	2791.27	11.8	15.285	0.005	AB
2MASS_J	3536.85	169.93	14.134	0.052	Vega
2MASS_H	4122.06	257.79	13.495	0.068	Vega
2MASS_K	4290.1	319.13	12.981	0.081	Vega
WISE_W1	1830.34	20.79	13.045	0.012	Vega
WISE_W2	1119.02	23.54	12.939	0.023	Vega
WISE_W3	948.41	65.4	11.284	0.075	Vega
WISE_W4	1084.38	392.71	9.692	0.393	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	9.965	10.105	10.214
${\rm log}_{10}({\rm SFR})$	-0.356	0.077	0.511
${\rm log}_{10}({\rm sSFR})$	-10.544	-10.041	-9.547
${\rm stellar\ age}$	2.416	5.783	7.591

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.280	-0.664	-0.304
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-0.131	0.140	0.349

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.578	0.910	1.344
$\delta$	-0.812	-0.556	-0.336
$\tau_1/\tau_2$	0.624	0.965	1.333
$Q_{PAH}$	0.577	1.690	3.502
$U_{min}$	2.459	7.234	14.013
${\rm log}_{10}(\gamma_e)\,$	-3.491	-2.194	-1.096

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.170	-2.360	-0.796
${\rm log}_{10}(\tau_{AGN})\,$	0.896	1.333	1.908

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.141	0.135	0.446
0.03-0.10 Gyr	-0.764	-0.011	0.525
0.10-0.33 Gyr	-0.634	0.111	0.689
0.33-1.08 Gyr	-0.336	0.293	0.725
1.08-3.53 Gyr	-0.396	0.223	0.500
3.53-11.59 Gyr	-0.902	0.068	0.338
11.59-12.88 Gyr	-1.037	0.066	0.659

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	10.610	10.715	10.811
${\rm log}_{10}({\rm SFR})$	-1.865	-0.730	-0.042
${\rm log}_{10}({\rm sSFR})$	-12.705	-11.468	-10.762
${\rm stellar\ age}$	6.426	7.776	10.722

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-0.566	-0.380	-0.247
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.525	-0.567	0.183

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.156	0.313	0.479
$\delta$	-0.840	-0.507	-0.176
$\tau_1/\tau_2$	0.528	0.901	1.295
$Q_{PAH}$	0.415	1.209	2.978
$U_{min}$	2.231	6.840	14.179
${\rm log}_{10}(\gamma_e)\,$	-3.246	-2.085	-0.906

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.327	-3.319	-2.403
${\rm log}_{10}(\tau_{AGN})\,$	0.999	1.449	1.854

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.911	-0.757	-0.230
0.03-0.10 Gyr	-2.580	-0.826	0.030
0.10-0.33 Gyr	-2.434	-0.666	0.239
0.33-1.08 Gyr	-1.893	-0.411	0.356
1.08-3.53 Gyr	-0.915	0.330	0.871
3.53-11.59 Gyr	0.159	0.813	0.988
11.59-12.88 Gyr	0.271	0.979	1.801