2026bvc results

2026bvc results

Information

Transient

Name:	`AT2026bvc`
Right ascension:	`6h55m02.27s`
Declination:	`84d02m34.97s`
Discovery Date:	`Jan. 31, 2026, 4:50 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.061`

Host

Name:	`UGC03521`
Right ascension:	`6h54m59.92s`
Declination:	`84d02m30.73s`
Redshift:	`0.014690`
Photometric Redshift:	`None`

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_i DES_z DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	16.19
Transient MWEBV	processed	0.03
Host match	processed	3.75
Host information	processed	0.15
Host MWEBV	processed	0.04
Global aperture construction	processed	0.59
Global aperture photometry	processed	4.79
Validate global photometry	processed	13.54
Global host SED inference	processed	396.18
Local aperture photometry	processed	4.91
Validate local photometry	processed	0.02
Local host SED inference	processed	495.61

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	6h55m02.27s, 84d02m34.97s
semi major axis, semi minor axis (arcsec):	6.68, 6.68
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	48.88	4.38	19.677	0.097	AB
GALEX_NUV	74.11	3.0	19.225	0.044	AB
SDSS_u	289.17	7.65	17.747	0.029	AB
SDSS_g	1129.65	8.89	16.268	0.009	AB
PanSTARRS_g	1194.35	2.19	16.207	0.002	AB
SDSS_r	2140.53	12.37	15.574	0.006	AB
PanSTARRS_r	2076.36	2.58	15.607	0.001	AB
SDSS_i	2988.39	15.09	15.211	0.005	AB
PanSTARRS_i	2818.6	4.69	15.275	0.002	AB
PanSTARRS_z	3500.52	8.01	15.040	0.002	AB
SDSS_z	3920.06	32.51	14.917	0.009	AB
PanSTARRS_y	4060.99	18.12	14.878	0.005	AB
2MASS_J	5175.49	147.14	13.720	0.031	Vega
2MASS_H	6477.85	262.12	13.004	0.044	Vega
2MASS_K	5106.44	256.65	12.792	0.055	Vega
WISE_W1	1034.36	30.13	13.664	0.032	Vega
WISE_W2	583.87	22.33	13.645	0.042	Vega

Aperture details

RA, DEC (J2000):	6h54m59.68s, 84d02m30.63s
semi major axis, semi minor axis (arcsec):	46.81, 22.88
angle (degrees, anti-clockwise from east):	-105.89

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	451.2	13.87	17.264	0.033	AB
GALEX_NUV	621.43	9.65	16.917	0.017	AB
SDSS_u	1267.48	33.01	16.143	0.028	AB
SDSS_g	6377.87	22.49	14.388	0.004	AB
PanSTARRS_g	6465.04	10.1	14.374	0.002	AB
SDSS_r	10938.57	30.93	13.803	0.003	AB
PanSTARRS_r	10652.16	11.85	13.831	0.001	AB
SDSS_i	14898.96	40.67	13.467	0.003	AB
PanSTARRS_i	13551.1	22.26	13.570	0.002	AB
SDSS_z	18986.67	143.06	13.204	0.008	AB
WISE_W1	12184.67	224.86	10.986	0.020	Vega
WISE_W2	7426.17	135.83	10.884	0.020	Vega
WISE_W3	25262.7	1192.12	7.720	0.051	Vega
WISE_W4	31461.8	2449.97	6.036	0.085	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.488	9.555	9.664
{\rm log}_{10}({\rm SFR})	-1.251	-0.945	-0.629
{\rm log}_{10}({\rm sSFR})	-10.832	-10.509	-10.194
{\rm stellar\ age}	7.840	9.261	12.192

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.217	-0.947	-0.745
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.349	-0.594	0.025

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.127	0.200	0.311
\delta	-0.841	-0.599	-0.347
\tau_1/\tau_2	0.586	0.964	1.340
Q_{PAH}	0.171	0.563	1.510
U_{min}	2.670	8.242	15.475
{\rm log}_{10}(\gamma_e)\,	-2.658	-1.776	-1.119

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.365	-3.343	-2.441
{\rm log}_{10}(\tau_{AGN})\,	1.252	1.799	2.062

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.941	-1.431	-1.096
0.03-0.10 Gyr	-1.228	-0.843	-0.496
0.10-0.33 Gyr	-2.132	-1.190	-0.764
0.33-1.10 Gyr	-2.972	-1.612	-1.088
1.10-3.63 Gyr	-3.302	-1.719	-0.938
3.63-12.02 Gyr	-1.235	-0.376	-0.219
12.02-13.36 Gyr	-0.571	0.193	0.750

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.234	10.300	10.371
{\rm log}_{10}({\rm SFR})	-0.511	-0.287	-0.075
{\rm log}_{10}({\rm sSFR})	-10.824	-10.579	-10.347
{\rm stellar\ age}	8.329	10.633	12.453

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.681	-0.546	-0.437
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.389	-1.117	-0.601

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.094	0.166	0.276
\delta	-0.579	-0.220	0.060
\tau_1/\tau_2	0.660	1.095	1.542
Q_{PAH}	1.055	2.360	4.088
U_{min}	3.094	8.397	15.268
{\rm log}_{10}(\gamma_e)\,	-2.491	-1.666	-0.983

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.990	-2.857	-1.857
{\rm log}_{10}(\tau_{AGN})\,	1.194	1.708	2.013

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.383	-0.197	-0.010
0.03-0.10 Gyr	-0.886	-0.352	-0.036
0.10-0.33 Gyr	-1.831	-0.757	-0.271
0.33-1.10 Gyr	-2.255	-1.026	-0.476
1.10-3.63 Gyr	-2.211	-0.998	-0.397
3.63-12.02 Gyr	-0.968	0.181	0.471
12.02-13.36 Gyr	0.518	1.207	1.479