2025ykv

Download data

Information

Transient

Name: AT2025ykv
Right ascension: 9h15m31.56s
Declination: 39d22m48.02s
Discovery Date: Sept. 20, 2025, 12:30 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.011

Host

Name:
Right ascension: 9h15m31.54s
Declination: 39d22m48.82s
Redshift: None
Photometric Redshift: 0.186

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	16.79
Transient MWEBV	processed	0.06
Host match	processed	4.63
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	2.66
Global aperture photometry	processed	5.17
Validate global photometry	processed	14.59
Global host SED inference	processed	466.25
Local aperture photometry	processed	5.54
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) = 9h15m31.56s, 39d22m48.02s
semi major axis, semi minor axis (arcsec) = 0.64, 0.64
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) = 9h15m31.54s, 39d22m48.85s
semi major axis, semi minor axis (arcsec) = 5.06, 2.86
angle (degrees, anti-clockwise from east) = -176.56

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	5.19	1.25	22.111	0.262	AB
SDSS_u	16.01	2.66	20.889	0.180	AB
SDSS_g	10.41	1.38	21.356	0.144	AB
PanSTARRS_g	13.5	0.68	21.074	0.055	AB
SDSS_r	20.71	2.02	20.609	0.106	AB
PanSTARRS_r	20.61	0.76	20.615	0.040	AB
SDSS_i	27.76	2.95	20.291	0.115	AB
PanSTARRS_i	24.11	0.82	20.444	0.037	AB
PanSTARRS_z	30.1	1.87	20.204	0.068	AB
SDSS_z	27.46	9.6	20.303	0.380	AB
DES_z	25.55	1.16	20.381	0.050	AB
PanSTARRS_y	23.69	5.56	20.463	0.255	AB
2MASS_J	-22.98	95.65			Vega
2MASS_H	188.58	149.52	16.844	0.861	Vega
2MASS_K	39.21	176.09	18.079	4.876	Vega
WISE_W1	18.31	9.47	18.044	0.561	Vega
WISE_W2	12.02	10.86	17.861	0.980	Vega
WISE_W3	9.62	56.46	16.268	6.371	Vega
WISE_W4	-105.55	409.38			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})\,	8.944	9.339	9.529
{\rm log}_{10}({\rm SFR})	-0.124	0.462	0.984
{\rm log}_{10}({\rm sSFR})	-9.564	-8.847	-7.981
{\rm stellar\ age}	0.184	3.638	6.210

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.689	-1.137	-0.390
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.664	-0.838	0.179

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.217	0.707	1.216
\delta	-0.233	0.093	0.283
\tau_1/\tau_2	0.617	1.118	1.575
Q_{PAH}	1.047	3.063	5.186
U_{min}	3.546	9.560	17.633
{\rm log}_{10}(\gamma_e)\,	-2.952	-1.678	-0.541

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.568	-1.229	-0.195
{\rm log}_{10}(\tau_{AGN})\,	0.984	1.360	1.808

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.877	-0.210	0.285
0.03-0.10 Gyr	-0.083	0.565	1.127
0.10-0.32 Gyr	-2.000	-0.153	0.481
0.32-1.02 Gyr	-3.647	-0.872	-0.173
1.02-3.24 Gyr	-4.648	-0.959	-0.341
3.24-10.31 Gyr	-4.664	-1.061	-0.400
10.31-11.46 Gyr	-4.772	-1.020	-0.090