2025kva

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Information

Transient

Name: AT2025kva
Right ascension: 0h10m25.37s
Declination: 22d03m03.40s
Discovery Date: May 8, 2025, 11:40 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.047

Host

Name: 2025kva
Right ascension: 0h10m25.32s
Declination: 22d03m05.69s
Redshift: None
Photometric Redshift: 0.075

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	15.56
Transient MWEBV	processed	0.08
Host match	processed	2.1
Host information	processed	0.09
Host MWEBV	processed	0.18
Global aperture construction	processed	0.65
Global aperture photometry	processed	6.22
Validate global photometry	processed	16.98
Global host SED inference	processed	410.2
Local aperture photometry	processed	5.99
Validate local photometry	processed	0.02
Local host SED inference	processed	523.06

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) = 0h10m25.37s, 22d03m03.40s
semi major axis, semi minor axis (arcsec) = 1.4, 1.4
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	31.24	0.29	20.163	0.010	AB
PanSTARRS_g	27.04	0.31	20.320	0.013	AB
SDSS_r	37.91	1.71	19.953	0.049	AB
PanSTARRS_r	35.09	0.32	20.037	0.010	AB
SDSS_i	47.72	2.01	19.703	0.046	AB
PanSTARRS_i	41.1	0.43	19.865	0.011	AB
PanSTARRS_z	46.77	1.03	19.725	0.024	AB
SDSS_z	53.44	5.67	19.580	0.115	AB
PanSTARRS_y	50.32	2.27	19.646	0.049	AB

Aperture details

RA, DEC (J2000) = 0h10m25.35s, 22d03m05.83s
semi major axis, semi minor axis (arcsec) = 11.97, 4.88
angle (degrees, anti-clockwise from east) = -44.94

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	55.31	2.24	19.543	0.044	AB
SDSS_u	103.56	7.74	18.862	0.081	AB
SDSS_g	260.55	4.77	17.860	0.020	AB
DES_g	276.21	0.93	17.797	0.004	AB
PanSTARRS_g	288.23	1.65	17.751	0.006	AB
SDSS_r	351.12	6.0	17.536	0.019	AB
PanSTARRS_r	363.72	1.67	17.498	0.005	AB
SDSS_i	440.23	7.47	17.291	0.018	AB
PanSTARRS_i	437.88	2.29	17.297	0.006	AB
PanSTARRS_z	485.84	5.6	17.184	0.013	AB
SDSS_z	614.32	29.98	16.929	0.053	AB
PanSTARRS_y	525.12	12.29	17.099	0.025	AB
2MASS_J	322.47	173.86	16.734	0.585	Vega
2MASS_H	847.16	289.66	15.212	0.371	Vega
2MASS_K	865.99	314.86	14.718	0.395	Vega
WISE_W1	251.53	15.61	15.200	0.067	Vega
WISE_W2	158.71	21.32	15.060	0.146	Vega
WISE_W3	381.73	114.9	12.272	0.327	Vega
WISE_W4	254.92	599.45	11.264	2.553	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})\,	8.209	8.480	8.705
{\rm log}_{10}({\rm SFR})	-2.300	-0.437	0.310
{\rm log}_{10}({\rm sSFR})	-10.827	-8.992	-7.921
{\rm stellar\ age}	0.086	0.408	3.513

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.479	-0.762	-0.106
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.430	-0.728	-0.058

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.186	0.449	1.038
\delta	-0.585	-0.102	0.226
\tau_1/\tau_2	0.532	1.052	1.547
Q_{PAH}	0.990	3.148	5.872
U_{min}	3.837	10.686	18.655
{\rm log}_{10}(\gamma_e)\,	-3.164	-1.936	-0.737

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.553	-0.555	-0.113
{\rm log}_{10}(\tau_{AGN})\,	0.968	1.488	1.932

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.779	-2.112	-1.229
0.03-0.10 Gyr	-2.607	-0.298	0.472
0.10-0.33 Gyr	-2.669	-0.413	0.201
0.33-1.07 Gyr	-4.484	-2.094	-0.623
1.07-3.51 Gyr	-6.738	-3.983	-1.448
3.51-11.49 Gyr	-7.959	-4.562	-1.855
11.49-12.76 Gyr	-8.338	-4.085	-1.577

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.571	9.729	9.827
{\rm log}_{10}({\rm SFR})	-0.541	0.228	0.570
{\rm log}_{10}({\rm sSFR})	-10.326	-9.553	-9.107
{\rm stellar\ age}	2.968	5.401	6.668

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.944	-0.660	-0.468
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.481	-0.802	0.001

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.063	0.158	0.331
\delta	-0.674	-0.232	0.118
\tau_1/\tau_2	0.570	0.966	1.356
Q_{PAH}	0.398	1.472	3.478
U_{min}	2.719	7.842	15.323
{\rm log}_{10}(\gamma_e)\,	-2.810	-1.694	-0.818

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.002	-2.677	-1.807
{\rm log}_{10}(\tau_{AGN})\,	1.067	1.519	1.892

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.146	-1.006	-0.653
0.03-0.10 Gyr	-0.437	0.384	0.730
0.10-0.33 Gyr	0.255	0.585	0.899
0.33-1.07 Gyr	-0.936	-0.062	0.248
1.07-3.51 Gyr	-1.086	-0.256	0.008
3.51-11.49 Gyr	-1.170	-0.327	-0.098
11.49-12.76 Gyr	-1.288	-0.276	0.214