2025ht

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Information

Transient

Name: AT2025ht
Right ascension: 4h31m16.69s
Declination: -53d36m41.33s
Discovery Date: Jan. 8, 2025, 4:48 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.007

Host

Name: 2025ht
Right ascension: 4h31m16.65s
Declination: -53d36m43.48s
Redshift: 0.042246
Photometric Redshift:

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	0.83
Cutout download	processed	2.43
Global aperture construction	processed	0.1
Local aperture photometry	processed	0.54
Global aperture photometry	processed	0.58
Validate local photometry	no valid phot	0.01
Validate global photometry	processed	0.83
Host information	processed	0.08
Global host SED inference	processed	1853.55
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.08
Host MWEBV	processed	0.19
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) = 4h31m16.69s, -53d36m41.33s
semi major axis, semi minor axis (arcsec) = 2.4, 2.4
angle (degrees, anti-clockwise from east) = 0.0

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

Aperture details

RA, DEC (J2000) = 4h31m16.65s, -53d36m43.50s
semi major axis, semi minor axis (arcsec) = 9.36, 6.02
angle (degrees, anti-clockwise from east) = -155.78

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
GALEX_NUV	10.08	3.3	21.391	0.355	AB
2MASS_J	3459.51	239.16	14.158	0.075	Vega
2MASS_H	3824.77	349.87	13.576	0.099	Vega
2MASS_K	3340.35	363.34	13.253	0.118	Vega
WISE_W1	1396.09	13.38	13.339	0.010	Vega
WISE_W2	795.92	16.11	13.309	0.022	Vega
WISE_W3	129.84	37.77	13.442	0.316	Vega
WISE_W4	82.48	232.39	12.489	3.059	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	10.022	10.300	10.443
${\rm log}_{10}({\rm SFR})$	-4.499	-2.142	-1.126
${\rm log}_{10}({\rm sSFR})$	-14.777	-12.459	-11.438
${\rm stellar\ age}$	4.643	8.135	12.463

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.035	-0.584	-0.315
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.406	-0.748	-0.146

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.054	0.211	0.447
$\delta$	-0.913	-0.680	-0.251
$\tau_1/\tau_2$	0.257	0.730	1.291
$Q_{PAH}$	0.234	0.977	2.918
$U_{min}$	2.988	8.529	16.190
${\rm log}_{10}(\gamma_e)\,$	-3.535	-2.629	-1.278

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.476	-3.625	-2.707
${\rm log}_{10}(\tau_{AGN})\,$	0.996	1.491	1.933

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-5.234	-2.242	-1.104
0.03-0.10 Gyr	-5.760	-2.629	-1.198
0.10-0.33 Gyr	-5.930	-2.576	-1.019
0.33-1.09 Gyr	-5.220	-1.842	0.062
1.09-3.60 Gyr	-3.675	-0.881	0.490
3.60-11.87 Gyr	-1.959	0.054	0.561
11.87-13.19 Gyr	-1.199	0.565	1.574