2025ltm

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Information

Transient

Name: AT2025ltm
Right ascension: 21h19m56.94s
Declination: -10d52m03.33s
Discovery Date: May 6, 2025, 7:50 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.050

Host

Name: 2025ltm
Right ascension: 21h19m56.93s
Declination: -10d52m03.39s
Redshift: None
Photometric Redshift: 0.166

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	0.49
Transient MWEBV	processed	0.07
Host match	processed	2.48
Host information	processed	0.09
Host MWEBV	processed	0.04
Global aperture construction	processed	0.65
Global aperture photometry	processed	4.77
Validate global photometry	processed	13.0
Global host SED inference	processed	1834.44
Local aperture photometry	processed	4.94
Validate local photometry	no valid phot	0.02
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) = 21h19m56.94s, -10d52m03.33s
semi major axis, semi minor axis (arcsec) = 0.7, 0.7
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) = 21h19m56.93s, -10d52m03.23s
semi major axis, semi minor axis (arcsec) = 2.53, 2.27
angle (degrees, anti-clockwise from east) = -105.05

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	17.4	2.6	20.799	0.162	AB
GALEX_NUV	18.59	1.44	20.727	0.084	AB
DES_g	40.97	0.28	19.869	0.007	AB
PanSTARRS_g	42.87	0.62	19.820	0.016	AB
PanSTARRS_r	61.08	0.71	19.435	0.013	AB
PanSTARRS_i	84.85	0.59	19.078	0.007	AB
PanSTARRS_z	105.34	2.13	18.844	0.022	AB
PanSTARRS_y	149.56	4.66	18.463	0.034	AB
2MASS_J	239.96	80.75	17.055	0.365	Vega
2MASS_H	261.01	124.59	16.491	0.518	Vega
2MASS_K	211.59	146.69	16.248	0.753	Vega
WISE_W1	183.44	14.35	15.542	0.085	Vega
WISE_W2	204.84	17.34	14.782	0.092	Vega
WISE_W3	174.48	60.95	13.122	0.379	Vega
WISE_W4	195.94	333.97	11.550	1.851	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})\,	9.591	10.068	10.413
{\rm log}_{10}({\rm SFR})	1.227	1.519	1.781
{\rm log}_{10}({\rm sSFR})	-8.996	-8.479	-7.993
{\rm stellar\ age}	0.748	5.502	9.502

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.433	-0.555	-0.234
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.359	-0.223	0.265

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.995	1.292	1.670
\delta	0.351	0.380	0.394
\tau_1/\tau_2	0.636	1.233	1.719
Q_{PAH}	0.852	2.611	4.818
U_{min}	3.482	10.091	18.400
{\rm log}_{10}(\gamma_e)\,	-3.257	-2.166	-0.923

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.551	-1.824	-1.066
{\rm log}_{10}(\tau_{AGN})\,	0.983	1.371	1.806

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.489	-0.150	0.693
0.03-0.10 Gyr	1.371	1.673	1.940
0.10-0.32 Gyr	-2.646	-1.403	0.024
0.32-1.03 Gyr	-4.577	-1.880	-0.250
1.03-3.28 Gyr	-4.183	-1.464	0.009
3.28-10.51 Gyr	-3.103	-0.769	0.313
10.51-11.68 Gyr	-2.992	0.137	1.347