2025xhw

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Information

Transient

Name: AT2025xhw
Right ascension: 1h13m11.74s
Declination: 3d22m48.04s
Discovery Date: Sept. 5, 2025, 8:52 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.030

Host

Name:
Right ascension: 1h13m11.78s
Declination: 3d22m44.44s
Redshift: None
Photometric Redshift: 0.112

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	17.92
Transient MWEBV	processed	0.05
Host match	processed	6.58
Host information	processed	0.11
Host MWEBV	processed	0.05
Global aperture construction	processed	0.68
Global aperture photometry	processed	5.18
Validate global photometry	processed	16.91
Global host SED inference	processed	378.08
Local aperture photometry	processed	5.79
Validate local photometry	processed	0.03
Local host SED inference	not enough filters	19.9

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) = 1h13m11.74s, 3d22m48.04s
semi major axis, semi minor axis (arcsec) = 0.98, 0.98
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_z	9.68	0.32	21.435	0.036	AB

Aperture details

RA, DEC (J2000) = 1h13m11.78s, 3d22m44.46s
semi major axis, semi minor axis (arcsec) = 7.5, 6.09
angle (degrees, anti-clockwise from east) = -48.47

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	13.01	0.97	21.114	0.081	AB
GALEX_NUV	19.39	0.81	20.681	0.045	AB
SDSS_u	7.79	5.79	21.671	0.808	AB
SDSS_g	136.04	3.55	18.566	0.028	AB
DES_g	139.76	0.45	18.537	0.003	AB
PanSTARRS_g	141.91	1.86	18.520	0.014	AB
SDSS_r	218.52	4.86	18.051	0.024	AB
PanSTARRS_r	219.09	2.13	18.048	0.011	AB
DES_r	251.64	0.69	17.898	0.003	AB
SDSS_i	326.77	6.66	17.614	0.022	AB
PanSTARRS_i	306.0	1.45	17.686	0.005	AB
PanSTARRS_z	368.12	3.72	17.485	0.011	AB
SDSS_z	340.99	17.93	17.568	0.057	AB
DES_z	387.79	2.06	17.429	0.006	AB
PanSTARRS_y	400.49	10.92	17.394	0.030	AB
2MASS_J	484.56	152.17	16.292	0.341	Vega
2MASS_H	886.75	275.88	15.163	0.338	Vega
2MASS_K	304.2	244.01	15.854	0.871	Vega
WISE_W1	293.94	14.65	15.030	0.054	Vega
WISE_W2	227.74	18.18	14.667	0.087	Vega
WISE_W3	418.57	85.59	12.172	0.222	Vega
WISE_W4	608.26	491.28	10.320	0.877	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

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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})\,	10.150	10.209	10.265
{\rm log}_{10}({\rm SFR})	-0.068	0.171	0.457
{\rm log}_{10}({\rm sSFR})	-10.301	-10.048	-9.722
{\rm stellar\ age}	5.225	6.063	6.961

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.896	-0.523	-0.255
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.466	0.154	0.411

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.190	0.350	0.567
\delta	-0.398	-0.024	0.207
\tau_1/\tau_2	0.773	1.072	1.374
Q_{PAH}	0.553	1.672	3.573
U_{min}	2.383	6.950	13.735
{\rm log}_{10}(\gamma_e)\,	-3.010	-2.004	-1.078

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.602	-2.008	-1.463
{\rm log}_{10}(\tau_{AGN})\,	0.967	1.346	1.823

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.207	-0.035	0.123
0.03-0.10 Gyr	-0.074	0.238	0.568
0.10-0.32 Gyr	0.194	0.437	0.668
0.32-1.05 Gyr	0.129	0.349	0.528
1.05-3.41 Gyr	0.131	0.346	0.521
3.41-11.07 Gyr	0.130	0.301	0.418
11.07-12.30 Gyr	-0.103	0.321	0.710