2025xnd

Download data

Information

Transient

Name: AT2025xnd
Right ascension: 21h40m40.99s
Declination: -9d28m26.04s
Discovery Date: Sept. 14, 2025, 5:20 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.034

Host

Name:
Right ascension: 21h40m41.24s
Declination: -9d28m24.50s
Redshift: None
Photometric Redshift: 0.190

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	6.34
Transient MWEBV	processed	0.04
Host match	processed	6.26
Host information	processed	0.12
Host MWEBV	processed	0.04
Global aperture construction	processed	0.65
Global aperture photometry	processed	5.41
Validate global photometry	processed	13.98
Global host SED inference	processed	506.08
Local aperture photometry	processed	5.88
Validate local photometry	no valid phot	0.02
Local host SED inference	not processed	None

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) = 21h40m40.99s, -9d28m26.04s
semi major axis, semi minor axis (arcsec) = 0.63, 0.63
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys

Data not available

Aperture details

RA, DEC (J2000) = 21h40m41.23s, -9d28m24.38s
semi major axis, semi minor axis (arcsec) = 5.98, 3.83
angle (degrees, anti-clockwise from east) = -5.51

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	1.34	0.91	23.584	0.738	AB
GALEX_NUV	3.63	1.56	22.502	0.467	AB
DES_g	71.08	0.43	19.271	0.007	AB
PanSTARRS_g	75.29	0.95	19.208	0.014	AB
PanSTARRS_r	182.31	1.24	18.248	0.007	AB
DES_r	205.62	1.36	18.117	0.007	AB
PanSTARRS_i	279.79	1.07	17.783	0.004	AB
PanSTARRS_z	343.61	3.31	17.560	0.010	AB
DES_z	388.04	3.68	17.428	0.010	AB
PanSTARRS_y	375.06	6.87	17.465	0.020	AB
2MASS_J	507.61	133.79	16.241	0.286	Vega
2MASS_H	766.1	227.5	15.322	0.322	Vega
2MASS_K	1430.75	241.01	14.173	0.183	Vega
WISE_W1	258.37	16.14	15.170	0.068	Vega
WISE_W2	193.07	18.75	14.847	0.105	Vega
WISE_W3	23.45	88.08	15.300	4.077	Vega
WISE_W4	614.62	551.57	10.308	0.974	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Data not available

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.763	10.848	10.978
{\rm log}_{10}({\rm SFR})	-1.112	0.070	0.623
{\rm log}_{10}({\rm sSFR})	-12.109	-10.795	-10.195
{\rm stellar\ age}	6.299	7.194	10.697

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.358	-0.989	-0.729
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.332	-0.700	-0.119

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.259	0.415	0.570
\delta	-0.931	-0.761	-0.495
\tau_1/\tau_2	0.626	1.035	1.510
Q_{PAH}	1.096	2.951	5.194
U_{min}	2.845	8.639	16.662
{\rm log}_{10}(\gamma_e)\,	-2.863	-1.548	-0.520

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.692	-2.012	-1.320
{\rm log}_{10}(\tau_{AGN})\,	1.051	1.447	1.795

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.993	0.065	0.480
0.03-0.10 Gyr	-2.611	0.001	0.688
0.10-0.32 Gyr	-3.166	-0.190	0.616
0.32-1.01 Gyr	-3.658	-0.384	0.493
1.01-3.23 Gyr	-2.610	0.033	0.812
3.23-10.27 Gyr	-0.576	0.973	1.174
10.27-11.41 Gyr	0.399	1.307	2.160