2025llh

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Information

Transient

Name: AT2025llh
Right ascension: 18h21m44.38s
Declination: 38d47m48.04s
Discovery Date: May 23, 2025, 8:41 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.026

Host

Name: 2025llh
Right ascension: 18h21m44.29s
Declination: 38d47m50.03s
Redshift: None
Photometric Redshift: 0.121

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	2.95
Transient MWEBV	processed	0.04
Host match	processed	4.09
Host information	processed	0.08
Host MWEBV	processed	0.04
Global aperture construction	processed	0.64
Global aperture photometry	processed	4.76
Validate global photometry	processed	13.45
Global host SED inference	processed	388.14
Local aperture photometry	processed	4.98
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) = 18h21m44.38s, 38d47m48.04s
semi major axis, semi minor axis (arcsec) = 0.92, 0.92
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) = 18h21m44.27s, 38d47m50.65s
semi major axis, semi minor axis (arcsec) = 9.57, 4.22
angle (degrees, anti-clockwise from east) = -33.06

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	30.49	4.43	20.190	0.158	AB
GALEX_NUV	28.68	2.87	20.256	0.109	AB
PanSTARRS_g	176.97	1.49	18.280	0.009	AB
PanSTARRS_r	267.07	1.77	17.833	0.007	AB
PanSTARRS_i	341.55	1.37	17.566	0.004	AB
PanSTARRS_z	340.57	4.73	17.569	0.015	AB
DES_z	386.08	3.94	17.433	0.011	AB
PanSTARRS_y	350.93	12.13	17.537	0.038	AB
2MASS_J	460.49	157.86	16.347	0.372	Vega
2MASS_H	221.28	252.99	16.670	1.241	Vega
2MASS_K	72.16	254.51	17.416	3.829	Vega
WISE_W1	253.36	16.99	15.192	0.073	Vega
WISE_W2	147.16	16.63	15.142	0.123	Vega
WISE_W3	428.77	63.13	12.145	0.160	Vega
WISE_W4	356.9	320.63	10.899	0.975	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})\,	9.994	10.075	10.166
{\rm log}_{10}({\rm SFR})	-0.177	0.046	0.278
{\rm log}_{10}({\rm sSFR})	-10.273	-10.034	-9.786
{\rm stellar\ age}	2.729	4.548	5.892

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.103	-0.759	-0.474
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.616	-1.093	-0.116

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.108	0.184	0.311
\delta	-0.588	-0.138	0.192
\tau_1/\tau_2	0.608	0.947	1.271
Q_{PAH}	1.008	2.138	3.800
U_{min}	2.397	7.029	14.139
{\rm log}_{10}(\gamma_e)\,	-2.902	-1.991	-1.151

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.933	-2.567	-1.708
{\rm log}_{10}(\tau_{AGN})\,	0.931	1.342	1.812

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.003	0.170	0.327
0.03-0.10 Gyr	-0.391	-0.017	0.284
0.10-0.32 Gyr	-0.211	0.211	0.505
0.32-1.05 Gyr	0.347	0.615	0.805
1.05-3.39 Gyr	0.202	0.439	0.605
3.39-10.98 Gyr	-0.594	0.023	0.261
10.98-12.21 Gyr	-1.010	-0.115	0.384