2025gn

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Information

Transient

Name: AT2025gn
Right ascension: 14h04m02.82s
Declination: 71d19m22.36s
Discovery Date: Jan. 8, 2025, 2:48 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.012

Host

Name: 2025gn
Right ascension: 14h04m03.81s
Declination: 71d19m47.43s
Redshift: None
Photometric Redshift: 0.096

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	2.49
Cutout download	processed	0.26
Global aperture construction	processed	0.58
Local aperture photometry	processed	3.96
Global aperture photometry	processed	3.39
Validate local photometry	processed	0.02
Validate global photometry	processed	10.39
Host information	processed	0.08
Global host SED inference	processed	406.05
Local host SED inference	processed	464.8
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.04
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) = 14h04m02.82s, 71d19m22.36s
semi major axis, semi minor axis (arcsec) = 1.13, 1.13
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
PanSTARRS_i	4.53	0.54	22.260	0.130	AB
PanSTARRS_z	3.06	1.03	22.686	0.366	AB
PanSTARRS_y	-0.97	1.87			AB

Aperture details

RA, DEC (J2000) = 14h04m03.78s, 71d19m47.58s
semi major axis, semi minor axis (arcsec) = 5.97, 5.12
angle (degrees, anti-clockwise from east) = -165.72

Warning: possible contaminating objects in the global aperture

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
GALEX_FUV	1.64	0.94	23.360	0.620	AB
GALEX_NUV	6.7	1.72	21.835	0.279	AB
PanSTARRS_g	221.02	1.57	18.039	0.008	AB
PanSTARRS_r	414.79	3.19	17.355	0.008	AB
PanSTARRS_i	578.43	2.45	16.994	0.005	AB
PanSTARRS_z	664.42	4.59	16.844	0.008	AB
PanSTARRS_y	736.14	8.58	16.733	0.013	AB
2MASS_J	1364.94	170.82	15.167	0.136	Vega
2MASS_H	1862.85	294.79	14.357	0.172	Vega
2MASS_K	1275.76	286.51	14.298	0.244	Vega
WISE_W1	554.47	13.21	14.341	0.026	Vega
WISE_W2	302.22	16.42	14.360	0.059	Vega
WISE_W3	126.87	57.53	13.468	0.492	Vega
WISE_W4	-280.22	310.15			Vega

Imaging data

Spectral Energy Distribution

Warning: possible contaminating objects in the global aperture

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	7.876	8.301	8.617
${\rm log}_{10}({\rm SFR})$	-1.268	-0.726	-0.226
${\rm log}_{10}({\rm sSFR})$	-9.733	-8.973	-8.071
${\rm stellar\ age}$	0.298	4.495	6.818

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.263	-0.433	0.015
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.373	-0.649	-0.011

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	1.105	1.577	2.264
$\delta$	-0.018	0.192	0.323
$\tau_1/\tau_2$	0.635	1.038	1.448
$Q_{PAH}$	0.980	2.717	5.280
$U_{min}$	3.122	8.842	16.306
${\rm log}_{10}(\gamma_e)\,$	-3.041	-1.970	-0.873

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-2.721	-0.367	0.249
${\rm log}_{10}(\tau_{AGN})\,$	1.238	1.709	2.013

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.355	-0.725	-0.204
0.03-0.10 Gyr	-1.908	-0.962	-0.242
0.10-0.33 Gyr	-2.960	-1.399	-0.706
0.33-1.06 Gyr	-4.068	-1.686	-1.132
1.06-3.45 Gyr	-4.556	-1.889	-1.301
3.45-11.25 Gyr	-5.058	-1.988	-1.332
11.25-12.50 Gyr	-5.282	-1.997	-1.172

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	10.270	10.363	10.486
${\rm log}_{10}({\rm SFR})$	-1.163	-0.457	0.063
${\rm log}_{10}({\rm sSFR})$	-11.616	-10.797	-10.239
${\rm stellar\ age}$	5.083	6.572	7.838

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-0.980	-0.646	-0.444
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.562	-0.707	0.105

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.215	0.348	0.500
$\delta$	-0.889	-0.648	-0.110
$\tau_1/\tau_2$	0.561	0.929	1.290
$Q_{PAH}$	1.267	2.961	5.042
$U_{min}$	2.614	7.536	14.957
${\rm log}_{10}(\gamma_e)\,$	-3.062	-2.062	-0.816

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.270	-3.231	-2.262
${\rm log}_{10}(\tau_{AGN})\,$	0.978	1.457	1.891

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.814	-0.231	0.072
0.03-0.10 Gyr	-2.353	-0.693	0.060
0.10-0.33 Gyr	-2.251	-0.577	0.227
0.33-1.06 Gyr	-1.632	-0.019	0.527
1.06-3.45 Gyr	-0.178	0.493	0.760
3.45-11.25 Gyr	0.098	0.473	0.691
11.25-12.50 Gyr	-0.294	0.413	0.993