2025tch

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Information

Transient

Name: AT2025tch
Right ascension: 15h17m21.34s
Declination: 38d09m09.40s
Discovery Date: May 6, 2025, 10:59 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.013

Host

Name:
Right ascension: 15h17m21.34s
Declination: 38d09m10.36s
Redshift: None
Photometric Redshift: 0.197

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	19.7
Transient MWEBV	processed	0.08
Host match	processed	6.08
Host information	processed	0.19
Host MWEBV	processed	0.05
Global aperture construction	processed	0.69
Global aperture photometry	processed	5.78
Validate global photometry	processed	14.16
Global host SED inference	processed	405.82
Local aperture photometry	processed	6.25
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) = 15h17m21.34s, 38d09m09.40s
semi major axis, semi minor axis (arcsec) = 0.62, 0.62
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) = 15h17m21.33s, 38d09m10.48s
semi major axis, semi minor axis (arcsec) = 3.88, 2.57
angle (degrees, anti-clockwise from east) = -172.62

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	2.92	1.48	22.738	0.550	AB
GALEX_NUV	4.36	0.99	22.300	0.246	AB
SDSS_u	12.39	2.68	21.168	0.235	AB
SDSS_g	25.81	1.54	20.370	0.065	AB
DES_g	24.38	0.36	20.433	0.016	AB
PanSTARRS_g	23.97	0.59	20.451	0.027	AB
SDSS_r	56.7	2.32	19.516	0.044	AB
PanSTARRS_r	60.33	0.78	19.449	0.014	AB
SDSS_i	94.19	3.27	18.965	0.038	AB
PanSTARRS_i	89.36	0.8	19.022	0.010	AB
PanSTARRS_z	110.56	1.78	18.791	0.018	AB
SDSS_z	122.39	11.76	18.681	0.104	AB
DES_z	128.33	2.34	18.629	0.020	AB
PanSTARRS_y	134.24	3.95	18.580	0.032	AB
2MASS_J	213.36	83.19	17.182	0.423	Vega
2MASS_H	278.53	133.63	16.420	0.521	Vega
2MASS_K	86.15	135.84	17.224	1.712	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})\,	10.454	10.535	10.624
{\rm log}_{10}({\rm SFR})	0.170	0.529	0.874
{\rm log}_{10}({\rm sSFR})	-10.374	-10.024	-9.628
{\rm stellar\ age}	5.578	6.757	8.834

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.776	-0.364	-0.057
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.332	-0.734	-0.130

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.434	0.886	1.402
\delta	-0.272	0.054	0.266
\tau_1/\tau_2	0.656	1.050	1.440
Q_{PAH}	0.847	2.437	4.324
U_{min}	2.895	7.690	14.703
{\rm log}_{10}(\gamma_e)\,	-3.200	-2.239	-0.999

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.763	-1.811	-0.716
{\rm log}_{10}(\tau_{AGN})\,	0.931	1.317	1.767

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.222	0.639	0.929
0.03-0.10 Gyr	-0.007	0.447	0.869
0.10-0.32 Gyr	-0.436	0.215	0.687
0.32-1.01 Gyr	-0.800	-0.028	0.533
1.01-3.21 Gyr	-0.530	0.261	0.760
3.21-10.21 Gyr	0.233	0.700	0.849
10.21-11.34 Gyr	0.216	0.891	1.546