2025tyd

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Information

Transient

Name: AT2025tyd
Right ascension: 18h29m05.05s
Declination: 34d11m15.11s
Discovery Date: Aug. 11, 2025, 5:15 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.057

Host

Name:
Right ascension: 18h29m05.06s
Declination: 34d11m16.45s
Redshift: None
Photometric Redshift: 0.172

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	7.89
Cutout download	processed	10.88
Global aperture construction	processed	0.72
Local aperture photometry	processed	5.5
Global aperture photometry	processed	4.95
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	13.7
Host information	processed	0.17
Global host SED inference	processed	463.98
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.09
Host MWEBV	processed	0.09
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) = 18h29m05.05s, 34d11m15.11s
semi major axis, semi minor axis (arcsec) = 0.68, 0.68
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) = 18h29m05.07s, 34d11m16.72s
semi major axis, semi minor axis (arcsec) = 3.62, 1.89
angle (degrees, anti-clockwise from east) = -28.6

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	3.22	1.57	22.632	0.531	AB
GALEX_NUV	1.8	1.47	23.264	0.888	AB
DES_g	15.62	0.35	20.916	0.024	AB
PanSTARRS_g	14.28	0.5	21.013	0.038	AB
PanSTARRS_r	27.12	0.63	20.317	0.025	AB
PanSTARRS_i	34.79	0.67	20.046	0.021	AB
PanSTARRS_z	40.79	1.82	19.874	0.049	AB
DES_z	44.62	1.53	19.776	0.037	AB
PanSTARRS_y	42.16	4.84	19.838	0.125	AB
2MASS_J	30.83	71.41	19.283	2.515	Vega
2MASS_H	-129.56	101.75			Vega
2MASS_K	170.91	122.28	16.480	0.777	Vega
WISE_W1	38.22	18.72	17.245	0.532	Vega
WISE_W2	28.34	20.04	16.930	0.768	Vega
WISE_W3	32.1	37.02	14.960	1.252	Vega
WISE_W4	178.81	222.47	11.649	1.351	Vega

Imaging data

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})\,	9.327	9.544	9.715
{\rm log}_{10}({\rm SFR})	-1.441	-0.258	0.577
{\rm log}_{10}({\rm sSFR})	-11.006	-9.770	-8.909
{\rm stellar\ age}	0.533	2.662	5.541

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.649	-0.881	-0.123
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.580	-0.866	-0.006

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.330	0.746	1.227
\delta	-0.468	-0.103	0.197
\tau_1/\tau_2	0.617	1.008	1.434
Q_{PAH}	1.245	3.239	5.578
U_{min}	3.143	9.075	16.786
{\rm log}_{10}(\gamma_e)\,	-2.959	-1.849	-0.605

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.264	-1.103	-0.176
{\rm log}_{10}(\tau_{AGN})\,	0.975	1.367	1.828

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.158	-0.681	0.000
0.03-0.10 Gyr	-2.087	-0.268	0.704
0.10-0.32 Gyr	-1.017	0.184	0.867
0.32-1.02 Gyr	-1.221	0.071	0.634
1.02-3.27 Gyr	-3.174	-0.553	-0.018
3.27-10.45 Gyr	-4.092	-1.019	-0.288
10.45-11.61 Gyr	-4.242	-1.039	-0.093