2025tlk

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Information

Transient

Name: AT2025tlk
Right ascension: 6h40m22.05s
Declination: 35d32m13.81s
Discovery Date: Aug. 7, 2025, 12:04 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.125

Host

Name:
Right ascension: 6h40m22.03s
Declination: 35d32m15.20s
Redshift: 0.086752
Photometric Redshift: 0.079

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	17.28
Transient MWEBV	processed	0.04
Host match	processed	7.98
Host information	processed	0.15
Host MWEBV	processed	0.05
Global aperture construction	processed	0.71
Global aperture photometry	processed	4.87
Validate global photometry	processed	13.95
Global host SED inference	processed	396.96
Local aperture photometry	processed	5.08
Validate local photometry	processed	0.02
Local host SED inference	processed	436.45

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) = 6h40m22.05s, 35d32m13.81s
semi major axis, semi minor axis (arcsec) = 1.23, 1.23
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	40.58	0.8	19.879	0.021	AB
PanSTARRS_r	83.52	0.39	19.096	0.005	AB
PanSTARRS_i	135.25	0.46	18.572	0.004	AB
PanSTARRS_z	173.82	1.11	18.300	0.007	AB
DES_z	228.83	2.09	18.001	0.010	AB
PanSTARRS_y	199.44	2.11	18.150	0.012	AB

Aperture details

RA, DEC (J2000) = 6h40m22.02s, 35d32m15.15s
semi major axis, semi minor axis (arcsec) = 9.68, 5.71
angle (degrees, anti-clockwise from east) = -80.3

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	4.26	2.02	22.327	0.514	AB
GALEX_NUV	7.89	1.72	21.658	0.237	AB
DES_g	302.11	5.48	17.700	0.020	AB
PanSTARRS_g	321.58	1.65	17.632	0.006	AB
PanSTARRS_r	685.06	2.16	16.811	0.003	AB
PanSTARRS_i	1088.19	2.55	16.308	0.003	AB
PanSTARRS_z	1410.09	6.5	16.027	0.005	AB
DES_z	1482.46	5.46	15.973	0.004	AB
PanSTARRS_y	1690.2	12.6	15.830	0.008	AB
2MASS_J	2454.68	188.47	14.530	0.083	Vega
2MASS_H	2785.66	296.63	13.920	0.116	Vega
2MASS_K	2891.4	324.92	13.409	0.122	Vega
WISE_W1	1446.48	27.14	13.300	0.020	Vega
WISE_W2	944.17	36.6	13.123	0.042	Vega
WISE_W3	2475.09	139.64	10.242	0.061	Vega

Imaging data

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Spectral Energy Distribution

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Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.757	9.913	10.021
{\rm log}_{10}({\rm SFR})	-1.110	-0.474	0.223
{\rm log}_{10}({\rm sSFR})	-11.048	-10.412	-9.600
{\rm stellar\ age}	3.470	6.795	8.419

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.218	-0.399	-0.079
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.501	-0.737	-0.066

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.290	0.848	1.553
\delta	-0.668	-0.214	0.127
\tau_1/\tau_2	0.580	0.979	1.362
Q_{PAH}	0.400	1.411	3.882
U_{min}	2.905	8.289	15.993
{\rm log}_{10}(\gamma_e)\,	-3.200	-1.703	-0.671

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.287	-0.920	-0.071
{\rm log}_{10}(\tau_{AGN})\,	1.066	1.420	1.936

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.487	-0.755	-0.272
0.03-0.10 Gyr	-1.274	-0.452	0.341
0.10-0.33 Gyr	-1.277	-0.476	0.408
0.33-1.07 Gyr	-1.310	-0.381	0.326
1.07-3.48 Gyr	-1.330	-0.258	0.165
3.48-11.36 Gyr	-1.190	-0.012	0.184
11.36-12.62 Gyr	-1.102	0.034	0.655

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.752	10.810	10.886
{\rm log}_{10}({\rm SFR})	-0.374	-0.012	0.262
{\rm log}_{10}({\rm sSFR})	-11.216	-10.806	-10.495
{\rm stellar\ age}	6.813	7.604	9.338

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.668	-0.430	-0.252
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.725	-0.465	0.283

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.276	0.394	0.555
\delta	-0.659	-0.297	0.047
\tau_1/\tau_2	0.654	1.005	1.392
Q_{PAH}	1.445	2.793	4.590
U_{min}	2.044	6.522	13.755
{\rm log}_{10}(\gamma_e)\,	-3.222	-2.277	-1.354

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.567	-2.331	-1.689
{\rm log}_{10}(\tau_{AGN})\,	0.982	1.396	1.838

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.263	0.079	0.299
0.03-0.10 Gyr	-0.783	-0.090	0.293
0.10-0.33 Gyr	-0.817	-0.055	0.375
0.33-1.07 Gyr	-0.911	-0.011	0.432
1.07-3.48 Gyr	-0.305	0.489	0.853
3.48-11.36 Gyr	0.746	0.980	1.105
11.36-12.62 Gyr	0.527	1.090	1.705