2025yht

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Information

Transient

Name: AT2025yht
Right ascension: 0h40m51.66s
Declination: -27d58m42.76s
Discovery Date: Sept. 23, 2025, 12:12 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.012

Host

Name:
Right ascension: 0h40m51.71s
Declination: -27d58m42.90s
Redshift: None
Photometric Redshift: 0.133

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	7.55
Transient MWEBV	processed	0.04
Host match	processed	6.43
Host information	processed	0.11
Host MWEBV	processed	0.05
Global aperture construction	processed	0.64
Global aperture photometry	processed	5.42
Validate global photometry	processed	13.82
Global host SED inference	processed	414.66
Local aperture photometry	processed	5.93
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) = 0h40m51.66s, -27d58m42.76s
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) = 0h40m51.69s, -27d58m42.64s
semi major axis, semi minor axis (arcsec) = 6.72, 1.94
angle (degrees, anti-clockwise from east) = -8.45

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	5.95	0.66	21.964	0.120	AB
GALEX_NUV	7.13	0.52	21.767	0.079	AB
DES_g	36.86	0.28	19.984	0.008	AB
PanSTARRS_g	34.82	0.92	20.045	0.029	AB
PanSTARRS_r	50.72	1.02	19.637	0.022	AB
DES_r	58.45	0.4	19.483	0.007	AB
PanSTARRS_i	67.26	1.19	19.331	0.019	AB
PanSTARRS_z	79.13	2.86	19.154	0.039	AB
DES_z	84.26	1.45	19.086	0.019	AB
PanSTARRS_y	78.94	6.95	19.157	0.096	AB
2MASS_J	270.51	123.66	16.925	0.496	Vega
2MASS_H	-255.69	213.37			Vega
2MASS_K	93.47	216.44	17.136	2.514	Vega
WISE_W1	115.51	17.25	16.044	0.162	Vega
WISE_W2	71.43	18.42	15.926	0.280	Vega
WISE_W3	132.26	57.53	13.422	0.472	Vega
WISE_W4	-152.76	416.0			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})\,	9.410	9.596	9.787
{\rm log}_{10}({\rm SFR})	-0.499	0.097	0.569
{\rm log}_{10}({\rm sSFR})	-10.149	-9.526	-8.960
{\rm stellar\ age}	1.314	3.957	5.878

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.701	-0.966	-0.279
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.685	-0.721	0.234

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.532	0.837	1.119
\delta	0.060	0.230	0.342
\tau_1/\tau_2	0.691	1.083	1.484
Q_{PAH}	1.355	3.237	5.194
U_{min}	3.267	8.877	16.412
{\rm log}_{10}(\gamma_e)\,	-2.912	-1.716	-0.491

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.547	-1.802	-0.927
{\rm log}_{10}(\tau_{AGN})\,	0.905	1.294	1.801

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.668	-0.491	-0.086
0.03-0.10 Gyr	-0.516	0.203	0.713
0.10-0.32 Gyr	0.032	0.451	0.858
0.32-1.04 Gyr	-0.679	0.033	0.373
1.04-3.36 Gyr	-1.618	-0.303	0.030
3.36-10.85 Gyr	-2.122	-0.627	-0.170
10.85-12.06 Gyr	-2.356	-0.642	0.016