2026ytb results

2026ytb results

Information

Transient

Name:	`AT2026ytb`
Right ascension:	`13h44m21.59s`
Declination:	`55d51m21.15s`
Discovery Date:	`Aug. 7, 2026, 5:57 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.007`

Host

Name:	`48678`
Object ID:	`1040471.0`
Catalog Name:	`glade`
Catalog Release:	`latest`
Right ascension:	`13h44m21.51s`
Declination:	`55d51m21.25s`
Redshift:	`0.038175`
Photometric Redshift:	`None`

Cutout Download Report

Downloadable	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_i DES_z DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	18.8
Transient MWEBV	processed	0.19
Host match	processed	6.12
Host information	processed	0.09
Host MWEBV	processed	0.11
Host spectrum download	not processed	None
Global aperture construction	processed	0.64
Global aperture photometry	processed	5.29
Validate global photometry	processed	15.46
Global host SED inference	processed	542.67
Local aperture photometry	processed	5.21
Validate local photometry	processed	0.03
Local host SED inference	processed	584.29

Imaging data

Spectral Energy Distribution

Host Galaxy Spectrum

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.043	10.200	10.307
{\rm log}_{10}({\rm SFR})	-3.347	-1.146	0.249
{\rm log}_{10}({\rm sSFR})	-13.289	-11.349	-9.825
{\rm stellar\ age}	5.097	7.562	9.888

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.524	-1.014	-0.694
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.769	-0.903	0.170

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.333	0.661	0.944
\delta	-0.901	-0.726	-0.282
\tau_1/\tau_2	0.479	0.917	1.354
Q_{PAH}	0.539	2.260	4.579
U_{min}	3.044	8.932	17.018
{\rm log}_{10}(\gamma_e)\,	-3.109	-1.688	-0.692

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.284	-2.471	-1.006
{\rm log}_{10}(\tau_{AGN})\,	0.922	1.467	1.960

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-4.433	-1.755	-0.370
0.03-0.10 Gyr	-3.765	-1.165	0.370
0.10-0.33 Gyr	-3.804	-1.119	0.402
0.33-1.09 Gyr	-3.064	-0.987	0.171
1.09-3.61 Gyr	-1.769	0.024	0.473
3.61-11.92 Gyr	-0.837	0.247	0.487
11.92-13.24 Gyr	-0.826	0.303	1.133

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.500	10.605	10.726
{\rm log}_{10}({\rm SFR})	-5.410	-2.681	-1.652
{\rm log}_{10}({\rm sSFR})	-16.241	-13.344	-12.293
{\rm stellar\ age}	6.962	8.262	12.361

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.787	-0.603	-0.460
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.536	-0.661	0.123

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.156	0.262	0.365
\delta	-0.925	-0.736	-0.457
\tau_1/\tau_2	0.576	1.001	1.423
Q_{PAH}	0.268	0.789	1.653
U_{min}	3.147	9.479	17.689
{\rm log}_{10}(\gamma_e)\,	-3.340	-2.411	-1.403

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.336	-3.549	-2.747
{\rm log}_{10}(\tau_{AGN})\,	1.010	1.446	1.855

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-6.112	-2.807	-1.624
0.03-0.10 Gyr	-6.512	-3.196	-1.746
0.10-0.33 Gyr	-5.473	-2.775	-1.518
0.33-1.09 Gyr	-3.860	-1.844	-0.631
1.09-3.61 Gyr	-2.186	-0.229	0.724
3.61-11.92 Gyr	-1.093	0.670	0.878
11.92-13.24 Gyr	-0.621	0.942	1.844

Aperture Photometry

Aperture details

RA, DEC (J2000):	13h44m21.59s, 55d51m21.15s
semi major axis, semi minor axis (arcsec):	2.64, 2.64
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	227.69	4.49	18.007	0.021	AB
SDSS_g	1195.55	9.0	16.206	0.008	AB
PanSTARRS_g	1229.52	1.03	16.176	0.001	AB
SDSS_r	2526.81	13.09	15.394	0.006	AB
PanSTARRS_r	2489.09	1.42	15.410	0.001	AB
SDSS_i	3543.49	15.56	15.026	0.005	AB
PanSTARRS_i	3448.22	1.41	15.056	0.000	AB
PanSTARRS_z	4282.07	3.02	14.821	0.001	AB
SDSS_z	4617.2	20.15	14.739	0.005	AB
PanSTARRS_y	4768.88	5.57	14.704	0.001	AB

Aperture details

RA, DEC (J2000):	13h44m21.55s, 55d51m21.53s
semi major axis, semi minor axis (arcsec):	22.19, 5.12
angle (degrees, anti-clockwise from east):	256.85

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	5.6	2.35	22.030	0.456	AB
GALEX_NUV	27.27	3.98	20.311	0.158	AB
SDSS_u	543.39	11.0	17.062	0.022	AB
SDSS_g	2796.78	13.98	15.283	0.005	AB
PanSTARRS_g	3016.87	3.25	15.201	0.001	AB
SDSS_r	5730.74	20.15	14.504	0.004	AB
PanSTARRS_r	5844.14	4.47	14.483	0.001	AB
SDSS_i	8012.35	24.37	14.141	0.003	AB
PanSTARRS_i	8291.12	4.5	14.103	0.001	AB
PanSTARRS_z	9967.8	11.01	13.904	0.001	AB
SDSS_z	10158.34	47.26	13.883	0.005	AB
PanSTARRS_y	11586.4	21.76	13.740	0.002	AB
2MASS_J	14567.93	252.44	12.597	0.019	Vega
2MASS_H	17542.59	390.07	11.922	0.024	Vega
2MASS_K	14635.16	404.29	11.649	0.030	Vega
WISE_W1	6353.99	38.77	11.693	0.007	Vega
WISE_W2	3523.34	39.28	11.694	0.012	Vega
WISE_W3	1104.22	106.88	11.118	0.105	Vega
WISE_W4	868.27	496.24	9.933	0.621	Vega