2025ngn

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Information

Transient

Name: AT2025ngn
Right ascension: 11h40m44.03s
Declination: 18d33m13.93s
Discovery Date: April 27, 2025, 8:56 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.019

Host

Name: 2025ngn
Right ascension: 11h40m44.44s
Declination: 18d33m18.76s
Redshift: 0.060204
Photometric Redshift: 0.062

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	14.91
Transient MWEBV	processed	0.15
Host match	processed	1.74
Host information	processed	0.1
Host MWEBV	processed	0.05
Global aperture construction	processed	0.66
Global aperture photometry	processed	6.36
Validate global photometry	processed	14.08
Global host SED inference	processed	445.24
Local aperture photometry	processed	6.22
Validate local photometry	processed	0.03
Local host SED inference	processed	420.68

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) = 11h40m44.03s, 18d33m13.93s
semi major axis, semi minor axis (arcsec) = 1.72, 1.72
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	5.41	0.14	22.067	0.029	AB
PanSTARRS_g	4.39	0.48	22.293	0.118	AB
PanSTARRS_r	6.28	0.66	21.906	0.114	AB
DES_r	7.8	0.28	21.670	0.038	AB
PanSTARRS_i	8.58	0.63	21.566	0.079	AB
PanSTARRS_z	5.51	1.18	22.047	0.232	AB
DES_z	10.91	0.68	21.305	0.067	AB
PanSTARRS_y	10.6	2.75	21.337	0.282	AB

Aperture details

RA, DEC (J2000) = 11h40m44.43s, 18d33m18.99s
semi major axis, semi minor axis (arcsec) = 10.12, 9.57
angle (degrees, anti-clockwise from east) = -63.31

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	497.08	1.09	17.159	0.002	AB
PanSTARRS_g	534.67	2.75	17.080	0.006	AB
PanSTARRS_r	829.3	3.74	16.603	0.005	AB
DES_r	822.02	2.4	16.613	0.003	AB
PanSTARRS_i	1040.91	3.58	16.356	0.004	AB
PanSTARRS_z	1131.09	6.75	16.266	0.006	AB
DES_z	1152.87	5.76	16.246	0.005	AB
PanSTARRS_y	1317.41	15.6	16.101	0.013	AB
2MASS_J	1323.41	208.5	15.201	0.171	Vega
2MASS_H	1664.52	321.37	14.479	0.210	Vega
2MASS_K	1505.56	384.78	14.118	0.277	Vega
WISE_W1	646.3	18.31	14.175	0.031	Vega
WISE_W2	415.23	25.09	14.015	0.066	Vega
WISE_W3	1461.17	110.13	10.814	0.082	Vega
WISE_W4	1015.89	532.81	9.763	0.569	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})\,	7.466	7.781	8.008
{\rm log}_{10}({\rm SFR})	-1.828	-1.342	-0.832
{\rm log}_{10}({\rm sSFR})	-9.744	-9.138	-8.422
{\rm stellar\ age}	0.680	3.920	6.268

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.674	-1.107	-0.395
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.417	0.020	0.205

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.426	0.797	1.303
\delta	-0.324	0.007	0.232
\tau_1/\tau_2	0.720	1.065	1.447
Q_{PAH}	0.941	2.547	4.985
U_{min}	2.980	8.160	15.428
{\rm log}_{10}(\gamma_e)\,	-2.836	-1.751	-0.705

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.328	-0.520	0.093
{\rm log}_{10}(\tau_{AGN})\,	1.087	1.501	1.921

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.731	-1.294	-0.844
0.03-0.10 Gyr	-2.060	-1.435	-0.815
0.10-0.33 Gyr	-2.312	-1.571	-1.040
0.33-1.08 Gyr	-3.088	-1.902	-1.443
1.08-3.55 Gyr	-3.900	-2.262	-1.818
3.55-11.66 Gyr	-4.327	-2.489	-1.945
11.66-12.95 Gyr	-4.337	-2.551	-1.890

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.069	10.178	10.271
{\rm log}_{10}({\rm SFR})	-1.520	-0.740	-0.022
{\rm log}_{10}({\rm sSFR})	-11.749	-10.912	-10.224
{\rm stellar\ age}	5.779	7.122	8.720

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.502	-1.167	-0.885
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.233	-0.106	0.320

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.108	0.218	0.344
\delta	-0.715	-0.218	0.161
\tau_1/\tau_2	0.591	0.960	1.356
Q_{PAH}	1.139	2.731	4.775
U_{min}	2.848	8.488	16.335
{\rm log}_{10}(\gamma_e)\,	-2.560	-1.564	-0.754

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.500	-2.301	-1.500
{\rm log}_{10}(\tau_{AGN})\,	1.182	1.664	1.973

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.191	-0.856	-0.491
0.03-0.10 Gyr	-2.001	-0.740	0.091
0.10-0.33 Gyr	-1.753	-0.410	0.208
0.33-1.08 Gyr	-1.753	-0.229	0.245
1.08-3.55 Gyr	-0.693	0.142	0.443
3.55-11.66 Gyr	-0.116	0.273	0.464
11.66-12.95 Gyr	-0.633	0.265	0.931