2025ya results

2025ya results

Information

Transient

Name:	`AT2025ya`
Right ascension:	`1h07m32.39s`
Declination:	`2d11m05.40s`
Discovery Date:	`Jan. 20, 2025, 5:15 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.022`

Host

Name:	`2025ya`
Right ascension:	`1h07m32.09s`
Declination:	`2d10m58.78s`
Redshift:	`0.042306`
Photometric Redshift:	`0.052`

Cutout Download Report

Downloaded	Unavailable
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_z	DES_i DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	18.6
Transient MWEBV	processed	0.1
Host match	processed	1.79
Host information	processed	0.08
Host MWEBV	processed	0.05
Global aperture construction	processed	0.59
Global aperture photometry	processed	6.73
Validate global photometry	processed	17.85
Global host SED inference	processed	381.64
Local aperture photometry	processed	6.47
Validate local photometry	processed	0.02
Local host SED inference	processed	440.38

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	1h07m32.39s, 2d11m05.40s
semi major axis, semi minor axis (arcsec):	2.4, 2.4
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	19.55	2.13	20.672	0.119	AB
SDSS_g	85.32	2.48	19.072	0.032	AB
DES_g	88.18	0.34	19.037	0.004	AB
PanSTARRS_g	86.28	0.63	19.060	0.008	AB
SDSS_r	162.13	3.46	18.375	0.023	AB
PanSTARRS_r	153.89	0.75	18.432	0.005	AB
DES_r	183.27	0.56	18.242	0.003	AB
SDSS_i	239.37	4.33	17.952	0.020	AB
PanSTARRS_i	221.87	0.59	18.035	0.003	AB
PanSTARRS_z	283.85	1.63	17.767	0.006	AB
SDSS_z	307.33	8.27	17.681	0.029	AB
DES_z	318.91	2.14	17.641	0.007	AB
PanSTARRS_y	358.24	3.62	17.515	0.011	AB

Aperture details

RA, DEC (J2000):	1h07m32.06s, 2d10m58.52s
semi major axis, semi minor axis (arcsec):	27.57, 16.68
angle (degrees, anti-clockwise from east):	-164.72

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	61.65	2.28	19.425	0.040	AB
GALEX_NUV	119.35	2.23	18.708	0.020	AB
SDSS_u	482.99	17.87	17.190	0.040	AB
SDSS_g	2474.94	14.18	15.416	0.006	AB
DES_g	2704.42	2.12	15.320	0.001	AB
PanSTARRS_g	2681.81	5.34	15.329	0.002	AB
PanSTARRS_r	4677.52	6.45	14.725	0.001	AB
SDSS_i	7315.42	26.57	14.239	0.004	AB
PanSTARRS_i	7071.59	5.14	14.276	0.001	AB
PanSTARRS_z	9018.3	14.03	14.012	0.002	AB
SDSS_z	9397.17	67.02	13.968	0.008	AB
DES_z	10220.43	12.56	13.876	0.001	AB
2MASS_J	15995.23	484.1	12.495	0.033	Vega
2MASS_H	18008.49	707.64	11.894	0.043	Vega
2MASS_K	16638.72	859.23	11.509	0.056	Vega
WISE_W1	10327.53	71.45	11.166	0.008	Vega
WISE_W2	6899.71	82.84	10.964	0.013	Vega
WISE_W3	28826.68	355.79	7.577	0.013	Vega
WISE_W4	66802.43	2888.46	5.218	0.047	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.222	9.369	9.491
{\rm log}_{10}({\rm SFR})	-1.209	-0.653	-0.205
{\rm log}_{10}({\rm sSFR})	-10.638	-10.023	-9.461
{\rm stellar\ age}	4.967	7.024	8.571

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.091	-0.462	-0.100
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.618	-0.327	0.136

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.396	0.884	1.294
\delta	-0.722	-0.319	0.001
\tau_1/\tau_2	0.683	0.993	1.338
Q_{PAH}	0.517	1.971	3.842
U_{min}	3.059	7.811	14.702
{\rm log}_{10}(\gamma_e)\,	-3.227	-2.078	-1.022

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.009	-2.144	-0.852
{\rm log}_{10}(\tau_{AGN})\,	0.896	1.302	1.750

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.033	-0.586	-0.252
0.03-0.10 Gyr	-1.549	-0.705	-0.171
0.10-0.33 Gyr	-1.658	-0.827	-0.267
0.33-1.09 Gyr	-1.568	-0.796	-0.312
1.09-3.60 Gyr	-1.345	-0.675	-0.392
3.60-11.87 Gyr	-1.009	-0.565	-0.360
11.87-13.19 Gyr	-1.155	-0.531	0.049

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.865	10.935	11.011
{\rm log}_{10}({\rm SFR})	0.332	0.609	0.850
{\rm log}_{10}({\rm sSFR})	-10.620	-10.343	-10.092
{\rm stellar\ age}	5.547	6.729	7.817

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.793	-0.525	-0.263
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.194	-0.924	-0.574

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.807	1.009	1.209
\delta	-0.075	0.004	0.100
\tau_1/\tau_2	0.413	0.732	1.044
Q_{PAH}	0.309	0.806	1.591
U_{min}	2.616	7.492	13.911
{\rm log}_{10}(\gamma_e)\,	-3.061	-2.011	-1.454

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.301	-1.824	-1.431
{\rm log}_{10}(\tau_{AGN})\,	1.081	1.453	1.788

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.381	0.755	1.058
0.03-0.10 Gyr	0.075	0.493	0.797
0.10-0.33 Gyr	0.072	0.526	0.854
0.33-1.09 Gyr	0.444	0.876	1.127
1.09-3.60 Gyr	0.841	1.082	1.270
3.60-11.87 Gyr	0.807	1.015	1.162
11.87-13.19 Gyr	0.497	1.018	1.459