2025alnt

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Information

Transient

Name: AT2025alnt
Right ascension: 10h50m24.50s
Declination: -1d46m10.15s
Discovery Date: Dec. 24, 2025, 7:59 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.035

Host

Name:
Right ascension: 10h50m24.49s
Declination: -1d46m10.15s
Redshift: None
Photometric Redshift: 0.132

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	17.04
Transient MWEBV	processed	0.05
Host match	processed	4.82
Host information	processed	0.15
Host MWEBV	processed	0.04
Global aperture construction	processed	0.64
Global aperture photometry	processed	7.23
Validate global photometry	processed	19.0
Global host SED inference	processed	378.42
Local aperture photometry	processed	6.82
Validate local photometry	no valid phot	0.03
Local host SED inference	not 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) = 10h50m24.50s, -1d46m10.15s
semi major axis, semi minor axis (arcsec) = 0.85, 0.85
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) = 10h50m24.48s, -1d46m10.05s
semi major axis, semi minor axis (arcsec) = 6.13, 2.4
angle (degrees, anti-clockwise from east) = -88.68

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	2.42	1.56	22.940	0.700	AB
GALEX_NUV	5.01	1.33	22.150	0.288	AB
SDSS_u	5.91	3.05	21.971	0.561	AB
SDSS_g	31.36	1.89	20.159	0.065	AB
DES_g	35.44	0.38	20.026	0.012	AB
PanSTARRS_g	36.48	0.77	19.995	0.023	AB
SDSS_r	68.35	2.84	19.313	0.045	AB
PanSTARRS_r	65.58	1.22	19.358	0.020	AB
DES_r	75.05	0.69	19.212	0.010	AB
SDSS_i	112.64	3.98	18.771	0.038	AB
PanSTARRS_i	99.17	1.22	18.909	0.013	AB
PanSTARRS_z	120.57	2.4	18.697	0.022	AB
SDSS_z	125.7	10.64	18.652	0.092	AB
DES_z	138.4	1.79	18.547	0.014	AB
PanSTARRS_y	143.99	5.81	18.504	0.044	AB
2MASS_J	54.22	106.9	18.670	2.141	Vega
2MASS_H	227.56	147.89	16.640	0.706	Vega
2MASS_K	174.51	204.88	16.458	1.275	Vega
WISE_W1	142.38	9.69	15.817	0.074	Vega
WISE_W2	96.16	14.08	15.604	0.159	Vega
WISE_W3	293.11	64.55	12.558	0.239	Vega

Imaging data

Click the image to load the interactive plot.

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})\,	10.029	10.090	10.157
{\rm log}_{10}({\rm SFR})	-0.283	-0.041	0.207
{\rm log}_{10}({\rm sSFR})	-10.373	-10.143	-9.899
{\rm stellar\ age}	6.235	6.971	8.104

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.933	-0.525	-0.179
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.684	-0.016	0.348

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.387	0.599	0.833
\delta	-0.130	0.111	0.271
\tau_1/\tau_2	0.769	1.079	1.427
Q_{PAH}	0.741	1.892	3.486
U_{min}	2.590	7.222	14.445
{\rm log}_{10}(\gamma_e)\,	-2.940	-2.164	-1.345

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.195	-2.922	-1.751
{\rm log}_{10}(\tau_{AGN})\,	0.967	1.429	1.858

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.348	-0.147	0.034
0.03-0.10 Gyr	-0.326	-0.006	0.294
0.10-0.32 Gyr	-0.398	-0.071	0.202
0.32-1.04 Gyr	-0.563	-0.224	0.033
1.04-3.36 Gyr	-0.385	-0.042	0.204
3.36-10.86 Gyr	0.098	0.270	0.375
10.86-12.07 Gyr	-0.108	0.376	0.834