2025ker

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Information

Transient

Name: AT2025ker
Right ascension: 19h26m01.13s
Declination: 72d54m47.40s
Discovery Date: May 2, 2025, 10:10 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.135

Host

Name: 2025ker
Right ascension: 19h26m01.73s
Declination: 72d54m41.39s
Redshift: 0.058483
Photometric Redshift: 0.061

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	4.46
Transient MWEBV	processed	0.09
Host match	processed	1.87
Host information	processed	0.09
Host MWEBV	processed	0.05
Global aperture construction	processed	0.73
Global aperture photometry	processed	4.3
Validate global photometry	processed	12.4
Global host SED inference	processed	625.71
Local aperture photometry	processed	4.17
Validate local photometry	processed	0.02
Local host SED inference	processed	462.74

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) = 19h26m01.13s, 72d54m47.40s
semi major axis, semi minor axis (arcsec) = 1.77, 1.77
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	18.39	0.44	20.739	0.026	AB
PanSTARRS_r	33.08	0.63	20.101	0.021	AB
PanSTARRS_i	38.18	0.56	19.945	0.016	AB
PanSTARRS_z	46.23	1.69	19.738	0.040	AB
PanSTARRS_y	52.38	3.77	19.602	0.078	AB

Aperture details

RA, DEC (J2000) = 19h26m01.75s, 72d54m41.16s
semi major axis, semi minor axis (arcsec) = 20.64, 10.41
angle (degrees, anti-clockwise from east) = -170.81

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	44.79	4.51	19.772	0.109	AB
GALEX_NUV	44.3	1.46	19.784	0.036	AB
PanSTARRS_g	671.84	3.63	16.832	0.006	AB
PanSTARRS_r	1190.03	5.13	16.211	0.005	AB
PanSTARRS_i	1686.16	4.59	15.833	0.003	AB
PanSTARRS_z	1893.02	13.97	15.707	0.008	AB
PanSTARRS_y	2637.08	31.21	15.347	0.013	AB
2MASS_J	3142.72	337.25	14.262	0.117	Vega
2MASS_H	3208.09	495.55	13.767	0.168	Vega
2MASS_K	3260.34	614.1	13.279	0.204	Vega
WISE_W1	2692.57	29.37	12.626	0.012	Vega
WISE_W2	1854.9	32.07	12.390	0.019	Vega
WISE_W3	2630.14	112.23	10.176	0.046	Vega
WISE_W4	2073.32	539.24	8.988	0.282	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})\,	8.528	8.715	8.866
{\rm log}_{10}({\rm SFR})	-1.661	-1.112	-0.555
{\rm log}_{10}({\rm sSFR})	-10.347	-9.860	-9.202
{\rm stellar\ age}	3.136	5.835	7.333

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.638	-1.113	-0.505
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.774	-0.994	0.199

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.185	0.479	0.850
\delta	-0.683	-0.263	0.176
\tau_1/\tau_2	0.746	1.090	1.435
Q_{PAH}	1.387	3.575	5.685
U_{min}	3.290	8.829	15.837
{\rm log}_{10}(\gamma_e)\,	-2.613	-1.383	-0.431

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.318	-0.966	-0.165
{\rm log}_{10}(\tau_{AGN})\,	1.055	1.617	2.012

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.804	-1.309	-0.918
0.03-0.10 Gyr	-1.780	-1.083	-0.441
0.10-0.33 Gyr	-1.623	-0.998	-0.524
0.33-1.08 Gyr	-1.717	-1.118	-0.721
1.08-3.55 Gyr	-1.848	-1.222	-0.956
3.55-11.68 Gyr	-1.969	-1.271	-1.007
11.68-12.98 Gyr	-2.248	-1.325	-0.799

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.461	10.546	10.603
{\rm log}_{10}({\rm SFR})	-0.128	0.053	0.224
{\rm log}_{10}({\rm sSFR})	-10.674	-10.490	-10.310
{\rm stellar\ age}	4.517	6.100	7.204

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.056	0.094	0.164
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.054	0.096	0.232

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.193	0.298	0.440
\delta	0.083	0.269	0.364
\tau_1/\tau_2	0.344	0.651	0.947
Q_{PAH}	0.476	1.146	2.433
U_{min}	3.263	7.609	14.275
{\rm log}_{10}(\gamma_e)\,	-3.261	-2.570	-1.821

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.011	-1.757	-1.606
{\rm log}_{10}(\tau_{AGN})\,	0.735	0.824	1.013

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.210	0.338	0.489
0.03-0.10 Gyr	-0.911	-0.204	0.118
0.10-0.33 Gyr	-0.825	-0.148	0.227
0.33-1.08 Gyr	0.096	0.453	0.694
1.08-3.55 Gyr	0.608	0.837	1.031
3.55-11.68 Gyr	0.214	0.588	0.741
11.68-12.98 Gyr	-0.325	0.478	0.932