2025zxk

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Information

Transient

Name: AT2025zxk
Right ascension: 16h56m38.74s
Declination: 25d25m01.58s
Discovery Date: Aug. 27, 2025, 6:37 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.037

Host

Name:
Right ascension: 16h56m38.27s
Declination: 25d25m01.45s
Redshift: None
Photometric Redshift: 0.191

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	17.93
Transient MWEBV	processed	0.04
Host match	processed	6.01
Host information	processed	0.13
Host MWEBV	processed	0.06
Global aperture construction	processed	0.63
Global aperture photometry	processed	7.21
Validate global photometry	processed	18.05
Global host SED inference	processed	398.05
Local aperture photometry	processed	6.81
Validate local photometry	no valid phot	0.03
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) = 16h56m38.74s, 25d25m01.58s
semi major axis, semi minor axis (arcsec) = 0.63, 0.63
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) = 16h56m38.26s, 25d25m01.50s
semi major axis, semi minor axis (arcsec) = 7.3, 3.8
angle (degrees, anti-clockwise from east) = -114.81

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	4.63	1.61	22.236	0.378	AB
GALEX_NUV	7.51	1.56	21.711	0.226	AB
SDSS_u	9.58	3.27	21.447	0.371	AB
SDSS_g	71.75	2.88	19.261	0.044	AB
DES_g	82.35	0.71	19.111	0.009	AB
PanSTARRS_g	79.3	1.08	19.152	0.015	AB
SDSS_r	191.54	4.34	18.194	0.025	AB
PanSTARRS_r	194.26	1.36	18.179	0.008	AB
DES_r	210.87	2.81	18.090	0.014	AB
SDSS_i	309.43	6.11	17.674	0.021	AB
PanSTARRS_i	302.07	1.68	17.700	0.006	AB
PanSTARRS_z	374.13	3.74	17.467	0.011	AB
SDSS_z	366.83	17.05	17.489	0.050	AB
DES_z	413.74	7.13	17.358	0.019	AB
PanSTARRS_y	435.42	8.07	17.303	0.020	AB
2MASS_J	627.39	122.63	16.011	0.212	Vega
2MASS_H	916.94	211.4	15.127	0.250	Vega
2MASS_K	941.32	187.44	14.628	0.216	Vega
WISE_W1	355.9	14.83	14.823	0.045	Vega
WISE_W2	269.52	17.37	14.485	0.070	Vega
WISE_W3	615.59	66.48	11.753	0.117	Vega
WISE_W4	107.46	388.17	12.202	3.922	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})\,	10.861	10.904	10.964
{\rm log}_{10}({\rm SFR})	0.327	0.596	0.863
{\rm log}_{10}({\rm sSFR})	-10.588	-10.306	-10.024
{\rm stellar\ age}	6.545	7.184	9.092

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.632	-0.427	-0.279
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.664	-0.100	0.246

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.255	0.366	0.521
\delta	-0.795	-0.577	-0.359
\tau_1/\tau_2	0.799	1.165	1.545
Q_{PAH}	0.455	1.243	2.627
U_{min}	2.603	7.557	14.141
{\rm log}_{10}(\gamma_e)\,	-3.009	-2.123	-1.268

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.070	-2.639	-1.770
{\rm log}_{10}(\tau_{AGN})\,	0.960	1.355	1.785

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.453	0.641	0.820
0.03-0.10 Gyr	0.176	0.586	0.911
0.10-0.32 Gyr	-0.127	0.356	0.688
0.32-1.01 Gyr	-0.322	0.178	0.519
1.01-3.22 Gyr	-0.188	0.417	0.781
3.22-10.26 Gyr	0.842	1.120	1.210
10.26-11.40 Gyr	0.906	1.360	1.944