2025xqn

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Information

Transient

Name: AT2025xqn
Right ascension: 1h38m48.24s
Declination: -26d34m31.73s
Discovery Date: Sept. 12, 2025, 9:33 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.014

Host

Name:
Right ascension: 1h38m48.11s
Declination: -26d34m31.02s
Redshift: None
Photometric Redshift: 0.146

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	5.84
Transient MWEBV	processed	0.03
Host match	processed	6.83
Host information	processed	0.1
Host MWEBV	processed	0.03
Global aperture construction	processed	0.61
Global aperture photometry	processed	5.47
Validate global photometry	processed	13.66
Global host SED inference	processed	410.46
Local aperture photometry	processed	5.68
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) = 1h38m48.24s, -26d34m31.73s
semi major axis, semi minor axis (arcsec) = 0.79, 0.79
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) = 1h38m48.09s, -26d34m30.76s
semi major axis, semi minor axis (arcsec) = 4.88, 1.64
angle (degrees, anti-clockwise from east) = -62.56

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	2.2	1.18	23.044	0.582	AB
GALEX_NUV	3.45	0.42	22.556	0.133	AB
DES_g	21.38	0.17	20.575	0.009	AB
PanSTARRS_g	19.51	0.61	20.674	0.034	AB
PanSTARRS_r	28.71	0.86	20.255	0.032	AB
DES_r	34.09	0.27	20.069	0.009	AB
PanSTARRS_i	38.87	0.85	19.926	0.024	AB
PanSTARRS_z	45.28	2.25	19.760	0.054	AB
DES_z	47.74	0.95	19.703	0.022	AB
PanSTARRS_y	44.17	5.36	19.787	0.132	AB
2MASS_J	117.14	98.33	17.833	0.911	Vega
2MASS_H	304.13	176.08	16.325	0.629	Vega
2MASS_K	126.18	175.87	16.810	1.513	Vega
WISE_W1	26.44	5.43	17.645	0.223	Vega
WISE_W2	24.62	8.57	17.083	0.378	Vega
WISE_W3	24.68	40.32	15.245	1.774	Vega
WISE_W4	-171.85	236.66			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})\,	9.267	9.424	9.562
{\rm log}_{10}({\rm SFR})	-1.181	-0.391	0.194
{\rm log}_{10}({\rm sSFR})	-10.602	-9.820	-9.186
{\rm stellar\ age}	1.752	4.445	6.189

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.655	-1.168	-0.545
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.556	-0.156	0.335

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.324	0.597	0.869
\delta	-0.280	0.006	0.234
\tau_1/\tau_2	0.635	1.000	1.401
Q_{PAH}	0.808	2.230	4.139
U_{min}	3.091	9.290	17.257
{\rm log}_{10}(\gamma_e)\,	-2.738	-1.711	-0.739

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.570	-1.533	-0.713
{\rm log}_{10}(\tau_{AGN})\,	1.039	1.433	1.845

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.336	-0.943	-0.458
0.03-0.10 Gyr	-1.340	-0.298	0.336
0.10-0.32 Gyr	-0.440	0.105	0.516
0.32-1.04 Gyr	-0.746	-0.158	0.280
1.04-3.33 Gyr	-1.594	-0.493	-0.168
3.33-10.72 Gyr	-1.895	-0.711	-0.360
10.72-11.91 Gyr	-2.172	-0.749	-0.087