2025yqw

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Information

Transient

Name: AT2025yqw
Right ascension: 1h55m48.49s
Declination: -1d17m18.38s
Discovery Date: Sept. 23, 2025, 5:13 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name:
Right ascension: 1h55m48.48s
Declination: -1d17m17.55s
Redshift: None
Photometric Redshift: 0.140

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	17.43
Transient MWEBV	processed	0.04
Host match	processed	6.04
Host information	processed	0.1
Host MWEBV	processed	0.04
Global aperture construction	processed	0.65
Global aperture photometry	processed	6.93
Validate global photometry	processed	18.16
Global host SED inference	processed	405.85
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) = 1h55m48.49s, -1d17m18.38s
semi major axis, semi minor axis (arcsec) = 0.81, 0.81
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) = 1h55m48.48s, -1d17m17.38s
semi major axis, semi minor axis (arcsec) = 6.52, 5.48
angle (degrees, anti-clockwise from east) = -34.49

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	10.22	2.22	21.377	0.236	AB
GALEX_NUV	11.25	1.66	21.272	0.160	AB
SDSS_u	25.06	5.87	20.402	0.254	AB
SDSS_g	97.26	3.08	18.930	0.034	AB
DES_g	107.14	0.42	18.825	0.004	AB
PanSTARRS_g	108.72	1.46	18.809	0.015	AB
SDSS_r	194.28	4.85	18.179	0.027	AB
PanSTARRS_r	196.56	1.61	18.166	0.009	AB
DES_r	212.14	0.67	18.083	0.003	AB
SDSS_i	276.45	6.54	17.796	0.026	AB
PanSTARRS_i	266.66	1.63	17.835	0.007	AB
PanSTARRS_z	322.55	3.86	17.629	0.013	AB
SDSS_z	283.32	18.99	17.769	0.073	AB
DES_z	339.9	2.2	17.572	0.007	AB
PanSTARRS_y	364.57	8.86	17.496	0.026	AB
2MASS_J	297.32	142.52	16.822	0.520	Vega
2MASS_H	341.94	233.62	16.198	0.742	Vega
2MASS_K	615.86	272.08	15.088	0.480	Vega
WISE_W1	194.56	10.43	15.478	0.058	Vega
WISE_W2	150.09	13.26	15.120	0.096	Vega
WISE_W3	209.82	62.37	12.921	0.323	Vega
WISE_W4	586.37	342.88	10.360	0.635	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})\,	10.370	10.410	10.459
{\rm log}_{10}({\rm SFR})	-0.323	-0.071	0.199
{\rm log}_{10}({\rm sSFR})	-10.721	-10.500	-10.217
{\rm stellar\ age}	6.335	6.961	7.904

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.897	-0.702	-0.541
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.662	-0.299	0.286

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.074	0.126	0.211
\delta	-0.843	-0.550	-0.173
\tau_1/\tau_2	0.719	1.035	1.357
Q_{PAH}	0.697	1.899	3.598
U_{min}	2.568	7.532	14.581
{\rm log}_{10}(\gamma_e)\,	-2.418	-1.516	-0.715

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.014	-2.585	-1.721
{\rm log}_{10}(\tau_{AGN})\,	0.998	1.444	1.862

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.488	-0.277	-0.112
0.03-0.10 Gyr	-0.331	-0.007	0.315
0.10-0.32 Gyr	-0.271	0.048	0.309
0.32-1.04 Gyr	-0.303	0.040	0.269
1.04-3.34 Gyr	-0.103	0.257	0.498
3.34-10.77 Gyr	0.479	0.618	0.708
10.77-11.97 Gyr	0.206	0.653	1.116