2025xbi results

2025xbi results

Information

Transient

Name:	`AT2025xbi`
Right ascension:	`8h53m20.59s`
Declination:	`59d06m42.15s`
Discovery Date:	`Sept. 5, 2025, 2:48 p.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.042`

Host

Name:
Right ascension:	`8h53m21.78s`
Declination:	`59d06m39.81s`
Redshift:	`0.038502`
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_u SDSS_z SDSS_g	SDSS_r DES_g DES_r DES_i DES_z DES_Y

Processing Status: blocked

Task Name	Status	Time (s)
Cutout download	processed	45.06
Transient MWEBV	processed	0.06
Host match	processed	6.25
Host information	processed	0.15
Host MWEBV	processed	0.05
Global aperture construction	processed	0.67
Global aperture photometry	processed	4.71
Validate global photometry	processed	12.05
Global host SED inference	time limit exceeded	7186.13
Local aperture photometry	processed	5.27
Validate local photometry	processed	0.02
Local host SED inference	processed	1063.57

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	8h53m20.59s, 59d06m42.15s
semi major axis, semi minor axis (arcsec):	2.62, 2.62
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	1.16	2.01	23.738	1.878	AB
SDSS_g	25.29	1.5	20.393	0.064	AB
PanSTARRS_g	60.93	0.6	19.438	0.011	AB
PanSTARRS_r	141.47	0.92	18.523	0.007	AB
SDSS_i	176.55	4.16	18.283	0.026	AB
PanSTARRS_i	558.66	0.69	17.032	0.001	AB
PanSTARRS_z	778.43	2.28	16.672	0.003	AB
SDSS_z	435.63	10.59	17.302	0.026	AB
PanSTARRS_y	1492.9	4.74	15.965	0.003	AB

Aperture details

RA, DEC (J2000):	8h53m21.24s, 59d06m42.27s
semi major axis, semi minor axis (arcsec):	26.71, 4.36
angle (degrees, anti-clockwise from east):	-63.46

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	43.02	1.55	19.816	0.039	AB
GALEX_NUV	60.1	1.16	19.453	0.021	AB
SDSS_u	132.43	8.74	18.595	0.072	AB
PanSTARRS_g	690.74	2.45	16.802	0.004	AB
PanSTARRS_r	1429.51	3.72	16.012	0.003	AB
SDSS_i	4390.69	19.84	14.794	0.005	AB
PanSTARRS_i	4254.05	2.7	14.828	0.001	AB
PanSTARRS_z	8219.75	9.24	14.113	0.001	AB
SDSS_z	8743.38	44.85	14.046	0.006	AB
PanSTARRS_y	11030.59	19.42	13.794	0.002	AB
WISE_W1	6652.47	48.73	11.644	0.008	Vega
WISE_W2	4168.12	50.38	11.511	0.013	Vega
WISE_W3	1468.89	144.92	10.809	0.107	Vega
WISE_W4	3010.88	806.62	8.583	0.291	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.135	9.249	9.465
{\rm log}_{10}({\rm SFR})	1.102	1.243	1.352
{\rm log}_{10}({\rm sSFR})	-8.199	-7.962	-7.961
{\rm stellar\ age}	0.015	0.023	2.273

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.312	-0.145	0.015
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.590	-0.311	0.001

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	3.378	3.664	3.897
\delta	-0.144	-0.066	0.021
\tau_1/\tau_2	0.791	0.975	1.198
Q_{PAH}	1.024	2.729	5.397
U_{min}	4.207	11.067	18.352
{\rm log}_{10}(\gamma_e)\,	-2.903	-1.285	-0.675

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.430	-2.650	-0.830
{\rm log}_{10}(\tau_{AGN})\,	0.948	1.595	2.015

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	1.615	1.760	1.870
0.03-0.10 Gyr	-2.442	-1.275	-0.003
0.10-0.33 Gyr	-5.631	-3.399	-1.032
0.33-1.09 Gyr	-7.793	-4.619	-1.654
1.09-3.61 Gyr	-9.355	-5.769	-2.334
3.61-11.92 Gyr	-10.153	-5.879	-1.935
11.92-13.24 Gyr	-10.499	-5.924	-1.305

Global parameter details

Documentation

Data not available