2025zqw

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Information

Transient

Name: AT2025zqw
Right ascension: 21h35m36.87s
Declination: 18d31m28.66s
Discovery Date: Oct. 1, 2025, 5:41 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.092

Host

Name:
Right ascension: 21h35m36.87s
Declination: 18d31m28.62s
Redshift: None
Photometric Redshift: 0.168

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	14.72
Transient MWEBV	processed	0.05
Host match	processed	5.69
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.66
Global aperture photometry	processed	5.23
Validate global photometry	processed	15.77
Global host SED inference	processed	605.59
Local aperture photometry	processed	5.29
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) = 21h35m36.87s, 18d31m28.66s
semi major axis, semi minor axis (arcsec) = 0.7, 0.7
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) = 21h35m36.87s, 18d31m28.88s
semi major axis, semi minor axis (arcsec) = 2.5, 2.28
angle (degrees, anti-clockwise from east) = -13.77

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	3.11	1.76	22.668	0.616	AB
SDSS_u	8.69	2.71	21.552	0.339	AB
SDSS_g	28.01	1.56	20.282	0.060	AB
PanSTARRS_g	33.78	0.64	20.078	0.021	AB
SDSS_r	77.19	2.51	19.181	0.035	AB
PanSTARRS_r	79.54	0.61	19.149	0.008	AB
SDSS_i	135.13	3.42	18.573	0.027	AB
PanSTARRS_i	134.03	0.72	18.582	0.006	AB
PanSTARRS_z	201.42	1.58	18.140	0.009	AB
SDSS_z	205.36	7.28	18.119	0.039	AB
PanSTARRS_y	242.16	3.91	17.940	0.018	AB
2MASS_J	457.97	106.81	16.353	0.253	Vega
2MASS_H	211.58	145.95	16.719	0.749	Vega
2MASS_K	120.02	130.69	16.864	1.182	Vega
WISE_W1	103.88	10.49	16.160	0.110	Vega
WISE_W2	70.43	12.44	15.942	0.192	Vega
WISE_W3	10.67	48.78	16.155	4.963	Vega
WISE_W4	-739.83	323.66			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})\,	10.398	10.508	10.623
{\rm log}_{10}({\rm SFR})	-0.737	0.488	1.177
{\rm log}_{10}({\rm sSFR})	-11.264	-10.029	-9.335
{\rm stellar\ age}	5.756	6.855	10.472

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.432	-0.996	-0.635
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.413	-0.506	0.178

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.570	0.757	0.968
\delta	-0.914	-0.779	-0.615
\tau_1/\tau_2	0.531	0.996	1.450
Q_{PAH}	0.379	1.309	3.052
U_{min}	3.202	9.241	16.771
{\rm log}_{10}(\gamma_e)\,	-2.595	-1.680	-0.888

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.572	-3.673	-2.560
{\rm log}_{10}(\tau_{AGN})\,	1.105	1.577	1.935

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.469	-1.832	-0.659
0.03-0.10 Gyr	-0.603	0.649	1.339
0.10-0.32 Gyr	-1.807	0.300	0.875
0.32-1.02 Gyr	-3.329	-0.306	0.420
1.02-3.28 Gyr	-2.661	0.009	0.588
3.28-10.49 Gyr	-0.928	0.575	0.805
10.49-11.66 Gyr	-0.346	0.855	1.758