2025yqn

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Information

Transient

Name: AT2025yqn
Right ascension: 3h21m57.78s
Declination: -11d06m29.36s
Discovery Date: Sept. 13, 2025, 3:41 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.064

Host

Name:
Right ascension: 3h21m57.85s
Declination: -11d06m26.70s
Redshift: None
Photometric Redshift: 0.163

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	6.72
Transient MWEBV	processed	0.03
Host match	processed	5.91
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.62
Global aperture photometry	processed	5.38
Validate global photometry	processed	14.04
Global host SED inference	processed	423.9
Local aperture photometry	failed	0.03
Validate local photometry	not processed	None
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) = 3h21m57.78s, -11d06m29.36s
semi major axis, semi minor axis (arcsec) = 0.72, 0.72
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) = 3h21m57.84s, -11d06m26.37s
semi major axis, semi minor axis (arcsec) = 5.67, 5.39
angle (degrees, anti-clockwise from east) = -157.03

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	6.9	0.68	21.802	0.107	AB
GALEX_NUV	11.92	0.52	21.210	0.048	AB
DES_g	107.85	0.4	18.818	0.004	AB
PanSTARRS_g	111.18	1.28	18.785	0.012	AB
PanSTARRS_r	198.66	1.41	18.155	0.008	AB
DES_r	219.93	0.64	18.044	0.003	AB
PanSTARRS_i	290.95	1.63	17.740	0.006	AB
PanSTARRS_z	365.82	3.91	17.492	0.012	AB
DES_z	384.53	2.53	17.438	0.007	AB
PanSTARRS_y	419.11	12.07	17.344	0.031	AB
2MASS_J	455.92	156.18	16.358	0.372	Vega
2MASS_H	485.74	236.52	15.816	0.529	Vega
2MASS_K	1327.35	295.1	14.255	0.241	Vega
WISE_W1	265.46	11.11	15.141	0.045	Vega
WISE_W2	163.82	16.57	15.025	0.110	Vega
WISE_W3	455.4	77.89	12.080	0.186	Vega
WISE_W4	633.2	464.05	10.276	0.796	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})\,	10.578	10.641	10.766
{\rm log}_{10}({\rm SFR})	0.488	0.865	1.174
{\rm log}_{10}({\rm sSFR})	-10.162	-9.762	-9.471
{\rm stellar\ age}	6.176	6.886	10.053

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.178	-0.788	-0.508
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.422	0.013	0.383

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.229	0.359	0.535
\delta	-0.596	-0.327	-0.089
\tau_1/\tau_2	0.618	1.028	1.449
Q_{PAH}	0.475	1.468	3.153
U_{min}	2.880	8.396	16.140
{\rm log}_{10}(\gamma_e)\,	-2.924	-2.076	-1.310

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.313	-3.174	-2.101
{\rm log}_{10}(\tau_{AGN})\,	1.075	1.525	1.911

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.067	-0.559	0.057
0.03-0.10 Gyr	0.622	1.020	1.334
0.10-0.32 Gyr	-0.801	0.594	0.973
0.32-1.03 Gyr	-1.688	0.218	0.580
1.03-3.29 Gyr	-1.702	0.322	0.701
3.29-10.54 Gyr	0.010	0.787	0.931
10.54-11.71 Gyr	0.367	1.008	1.866