2025nkb

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Information

Transient

Name: AT2025nkb
Right ascension: 15h19m34.70s
Declination: 4d46m48.32s
Discovery Date: June 3, 2025, 6:37 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.038

Host

Name: 2025nkb
Right ascension: 15h19m34.71s
Declination: 4d46m48.03s
Redshift: None
Photometric Redshift: 0.153

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	18.59
Transient MWEBV	processed	0.06
Host match	processed	2.4
Host information	processed	0.09
Host MWEBV	processed	0.06
Global aperture construction	processed	0.67
Global aperture photometry	processed	5.46
Validate global photometry	processed	16.17
Global host SED inference	processed	484.7
Local aperture photometry	processed	5.82
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) = 15h19m34.70s, 4d46m48.32s
semi major axis, semi minor axis (arcsec) = 0.75, 0.75
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) = 15h19m34.70s, 4d46m47.90s
semi major axis, semi minor axis (arcsec) = 7.51, 3.87
angle (degrees, anti-clockwise from east) = -0.31

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	6.59	0.68	21.854	0.113	AB
GALEX_NUV	10.02	0.61	21.398	0.067	AB
SDSS_u	52.42	13.08	19.601	0.271	AB
SDSS_g	75.66	7.14	19.203	0.102	AB
PanSTARRS_g	79.62	1.22	19.147	0.017	AB
SDSS_r	119.74	7.41	18.704	0.067	AB
PanSTARRS_r	123.08	1.65	18.675	0.015	AB
SDSS_i	187.79	8.57	18.216	0.050	AB
PanSTARRS_i	170.19	2.13	18.323	0.014	AB
PanSTARRS_z	184.48	3.65	18.235	0.021	AB
SDSS_z	214.25	21.11	18.073	0.107	AB
PanSTARRS_y	213.67	7.81	18.076	0.040	AB
2MASS_J	306.88	141.05	16.788	0.499	Vega
2MASS_H	193.81	204.15	16.814	1.144	Vega
2MASS_K	456.34	257.47	15.414	0.613	Vega
WISE_W1	95.61	13.86	16.250	0.157	Vega
WISE_W2	91.74	17.91	15.655	0.212	Vega
WISE_W3	128.42	57.96	13.454	0.490	Vega
WISE_W4	3.95	268.88	15.789	73.949	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})\,	9.880	10.085	10.258
{\rm log}_{10}({\rm SFR})	0.699	1.008	1.291
{\rm log}_{10}({\rm sSFR})	-9.478	-9.066	-8.639
{\rm stellar\ age}	4.856	6.381	8.073

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.485	-0.828	-0.468
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	0.048	0.288	0.418

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.247	0.354	0.511
\delta	-0.863	-0.659	-0.448
\tau_1/\tau_2	0.535	1.042	1.519
Q_{PAH}	0.461	1.333	2.845
U_{min}	2.524	7.230	14.558
{\rm log}_{10}(\gamma_e)\,	-3.378	-2.465	-1.404

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.282	-3.152	-2.115
{\rm log}_{10}(\tau_{AGN})\,	0.986	1.430	1.863

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.193	0.162	0.429
0.03-0.10 Gyr	0.837	1.152	1.437
0.10-0.32 Gyr	-1.965	-0.269	0.539
0.32-1.03 Gyr	-2.662	-0.554	0.023
1.03-3.31 Gyr	-1.252	-0.170	0.207
3.31-10.65 Gyr	-0.477	0.163	0.410
10.65-11.83 Gyr	-0.499	0.298	0.957