2025rzx

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Information

Transient

Name: AT2025rzx
Right ascension: 21h44m25.24s
Declination: -28d30m16.44s
Discovery Date: July 20, 2025, 9:24 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.028

Host

Name: 142530
Right ascension: 21h44m25.36s
Declination: -28d30m20.53s
Redshift: 0.092034
Photometric Redshift: 0.091

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	15.72
Transient MWEBV	processed	0.04
Host match	processed	4.14
Host information	processed	0.15
Host MWEBV	processed	0.05
Global aperture construction	processed	0.66
Global aperture photometry	processed	3.71
Validate global photometry	processed	10.79
Global host SED inference	processed	386.57
Local aperture photometry	processed	4.17
Validate local photometry	processed	0.02
Local host SED inference	processed	516.34

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) = 21h44m25.24s, -28d30m16.44s
semi major axis, semi minor axis (arcsec) = 1.17, 1.17
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_i	26.6	0.35	20.338	0.014	AB
PanSTARRS_z	31.87	0.85	20.142	0.029	AB
PanSTARRS_y	37.67	2.05	19.960	0.059	AB

Aperture details

RA, DEC (J2000) = 21h44m25.38s, -28d30m20.70s
semi major axis, semi minor axis (arcsec) = 11.65, 9.81
angle (degrees, anti-clockwise from east) = -65.58

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	44.52	1.58	19.779	0.039	AB
GALEX_NUV	66.64	1.21	19.341	0.020	AB
PanSTARRS_g	569.6	2.56	17.011	0.005	AB
PanSTARRS_r	897.31	2.97	16.518	0.004	AB
PanSTARRS_i	1138.6	3.17	16.259	0.003	AB
PanSTARRS_z	1411.17	7.76	16.026	0.006	AB
PanSTARRS_y	1425.24	18.57	16.015	0.014	AB
2MASS_J	1721.53	223.96	14.915	0.141	Vega
2MASS_H	2282.99	357.79	14.136	0.170	Vega
2MASS_K	2039.51	393.59	13.788	0.210	Vega
WISE_W1	1033.91	24.44	13.665	0.026	Vega
WISE_W2	693.19	30.58	13.459	0.048	Vega
WISE_W3	3048.69	142.92	10.016	0.051	Vega
WISE_W4	3657.24	900.59	8.372	0.267	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

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.874	9.084	9.271
{\rm log}_{10}({\rm SFR})	-1.849	-1.043	-0.459
{\rm log}_{10}({\rm sSFR})	-10.990	-10.207	-9.475
{\rm stellar\ age}	3.192	6.456	8.113

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.326	-0.533	-0.049
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.270	-0.646	-0.027

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.329	0.765	1.189
\delta	-0.436	-0.082	0.203
\tau_1/\tau_2	0.572	0.978	1.357
Q_{PAH}	0.870	2.704	5.277
U_{min}	3.331	8.292	15.804
{\rm log}_{10}(\gamma_e)\,	-2.779	-1.676	-0.507

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.942	-0.478	0.100
{\rm log}_{10}(\tau_{AGN})\,	1.060	1.528	1.983

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.893	-1.054	-0.531
0.03-0.10 Gyr	-2.318	-1.249	-0.416
0.10-0.33 Gyr	-2.346	-1.275	-0.564
0.33-1.06 Gyr	-2.159	-1.038	-0.428
1.06-3.47 Gyr	-2.386	-1.002	-0.646
3.47-11.30 Gyr	-2.086	-0.893	-0.576
11.30-12.55 Gyr	-1.999	-0.853	-0.158

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.443	10.526	10.602
{\rm log}_{10}({\rm SFR})	-0.128	0.432	0.864
{\rm log}_{10}({\rm sSFR})	-10.672	-10.099	-9.696
{\rm stellar\ age}	4.122	5.701	7.050

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.884	-0.548	-0.334
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.686	-0.994	0.057

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.190	0.321	0.496
\delta	-0.499	-0.123	0.192
\tau_1/\tau_2	0.631	0.976	1.295
Q_{PAH}	1.038	2.423	4.276
U_{min}	2.243	6.976	13.771
{\rm log}_{10}(\gamma_e)\,	-2.855	-1.706	-0.909

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.005	-1.890	-1.314
{\rm log}_{10}(\tau_{AGN})\,	1.112	1.606	1.946

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.992	0.021	0.286
0.03-0.10 Gyr	-0.177	0.534	1.009
0.10-0.33 Gyr	0.555	0.894	1.166
0.33-1.06 Gyr	0.387	0.798	1.027
1.06-3.47 Gyr	0.385	0.698	0.924
3.47-11.30 Gyr	0.171	0.544	0.722
11.30-12.55 Gyr	-0.098	0.550	1.030