2025nll

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Information

Transient

Name: AT2025nll
Right ascension: 13h06m43.27s
Declination: 29d10m38.25s
Discovery Date: June 13, 2025, 4:41 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.009

Host

Name: 1858262
Right ascension: 13h06m43.16s
Declination: 29d10m53.29s
Redshift: 0.138274
Photometric Redshift: 0.136

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	4.53
Cutout download	processed	25.21
Global aperture construction	processed	0.65
Local aperture photometry	processed	6.86
Global aperture photometry	processed	5.97
Validate local photometry	no valid phot	0.03
Validate global photometry	processed	14.94
Host information	processed	0.15
Global host SED inference	processed	573.59
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.05
Processing status	blocked	N/A	N/A

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) = 13h06m43.27s, 29d10m38.25s
semi major axis, semi minor axis (arcsec) = 0.82, 0.82
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys

Data not available

Aperture details

RA, DEC (J2000) = 13h06m43.15s, 29d10m53.34s
semi major axis, semi minor axis (arcsec) = 6.53, 5.55
angle (degrees, anti-clockwise from east) = -79.57

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	12.61	3.26	21.148	0.280	AB
GALEX_NUV	12.99	2.43	21.116	0.203	AB
SDSS_u	72.32	5.11	19.252	0.077	AB
SDSS_g	140.07	3.48	18.534	0.027	AB
PanSTARRS_g	171.52	1.91	18.314	0.012	AB
SDSS_r	316.66	5.32	17.649	0.018	AB
PanSTARRS_r	340.22	2.26	17.571	0.007	AB
DES_r	370.36	2.03	17.478	0.006	AB
SDSS_i	476.76	7.11	17.204	0.016	AB
PanSTARRS_i	481.54	2.41	17.193	0.005	AB
PanSTARRS_z	605.6	4.19	16.945	0.008	AB
SDSS_z	505.9	19.33	17.140	0.041	AB
DES_z	643.7	5.67	16.878	0.010	AB
PanSTARRS_y	723.79	8.6	16.751	0.013	AB
WISE_W1	391.67	12.4	14.719	0.034	Vega
WISE_W2	246.86	13.54	14.580	0.060	Vega
WISE_W3	185.4	47.94	13.056	0.281	Vega
WISE_W4	585.05	323.53	10.362	0.600	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Data not available

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.735	10.803	10.880
{\rm log}_{10}({\rm SFR})	-0.088	0.270	0.630
{\rm log}_{10}({\rm sSFR})	-10.947	-10.520	-10.157
{\rm stellar\ age}	7.371	9.718	11.308

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.840	-0.618	-0.491
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.067	0.136	0.403

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.090	0.156	0.259
\delta	-0.894	-0.621	-0.197
\tau_1/\tau_2	0.460	0.928	1.424
Q_{PAH}	0.421	1.226	2.610
U_{min}	3.034	8.744	16.811
{\rm log}_{10}(\gamma_e)\,	-2.848	-1.695	-0.632

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.280	-3.005	-2.052
{\rm log}_{10}(\tau_{AGN})\,	1.086	1.584	1.952

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.454	-0.351	-0.006
0.03-0.10 Gyr	-0.003	0.393	0.766
0.10-0.32 Gyr	-2.983	-0.500	0.166
0.32-1.04 Gyr	-5.035	-0.986	-0.182
1.04-3.35 Gyr	-3.458	-0.883	0.070
3.35-10.80 Gyr	-0.865	0.723	1.046
10.80-12.00 Gyr	0.921	1.776	2.042