2025rzk

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Information

Transient

Name: AT2025rzk
Right ascension: 22h28m15.83s
Declination: -30d00m53.34s
Discovery Date: July 23, 2025, 3:30 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.013

Host

Name:
Right ascension: 22h28m15.56s
Declination: -30d00m55.29s
Redshift: 0.058040
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	18.07
Transient MWEBV	processed	0.05
Host match	processed	5.07
Host information	processed	0.17
Host MWEBV	processed	0.06
Global aperture construction	processed	0.63
Global aperture photometry	processed	3.58
Validate global photometry	processed	10.29
Global host SED inference	processed	402.99
Local aperture photometry	processed	4.04
Validate local photometry	processed	0.02
Local host SED inference	processed	462.86

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) = 22h28m15.83s, -30d00m53.34s
semi major axis, semi minor axis (arcsec) = 1.78, 1.78
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	43.24	0.52	19.810	0.013	AB
PanSTARRS_r	61.23	0.64	19.433	0.011	AB
PanSTARRS_i	75.22	0.77	19.209	0.011	AB
PanSTARRS_z	83.89	1.63	19.091	0.021	AB
PanSTARRS_y	91.16	4.13	19.001	0.049	AB

Aperture details

RA, DEC (J2000) = 22h28m15.57s, -30d00m54.66s
semi major axis, semi minor axis (arcsec) = 12.91, 10.9
angle (degrees, anti-clockwise from east) = -172.62

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	133.78	8.44	18.584	0.069	AB
GALEX_NUV	160.14	5.39	18.389	0.037	AB
PanSTARRS_g	712.3	3.36	16.768	0.005	AB
PanSTARRS_r	1018.39	4.1	16.380	0.004	AB
PanSTARRS_i	1283.83	5.05	16.129	0.004	AB
PanSTARRS_z	1356.93	10.72	16.069	0.009	AB
PanSTARRS_y	1556.67	27.37	15.920	0.019	AB
2MASS_J	1603.23	292.04	14.993	0.198	Vega
2MASS_H	1637.34	412.42	14.497	0.273	Vega
2MASS_K	1503.88	465.36	14.119	0.336	Vega
WISE_W1	780.13	23.31	13.971	0.032	Vega
WISE_W2	457.74	32.82	13.909	0.078	Vega
WISE_W3	2046.62	178.95	10.448	0.095	Vega
WISE_W4	3692.44	1013.77	8.362	0.298	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})\,	8.715	8.896	9.028
{\rm log}_{10}({\rm SFR})	-1.944	-1.172	-0.353
{\rm log}_{10}({\rm sSFR})	-10.872	-10.060	-9.204
{\rm stellar\ age}	2.287	5.558	7.215

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.602	-1.052	-0.379
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.643	-0.841	0.020

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.147	0.489	0.961
\delta	-0.600	-0.149	0.250
\tau_1/\tau_2	0.649	1.002	1.356
Q_{PAH}	0.724	2.248	4.854
U_{min}	3.168	8.355	15.730
{\rm log}_{10}(\gamma_e)\,	-2.956	-1.651	-0.496

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.393	-0.690	-0.133
{\rm log}_{10}(\tau_{AGN})\,	1.039	1.499	1.982

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.403	-1.575	-1.027
0.03-0.10 Gyr	-2.029	-1.113	-0.228
0.10-0.33 Gyr	-1.535	-0.734	-0.125
0.33-1.08 Gyr	-1.746	-0.898	-0.468
1.08-3.55 Gyr	-1.863	-1.010	-0.740
3.55-11.68 Gyr	-2.232	-1.153	-0.856
11.68-12.98 Gyr	-2.409	-1.214	-0.642

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.047	10.119	10.220
{\rm log}_{10}({\rm SFR})	0.046	0.287	0.577
{\rm log}_{10}({\rm sSFR})	-10.066	-9.825	-9.530
{\rm stellar\ age}	6.197	7.119	8.471

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.942	-0.683	-0.514
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.031	0.241	0.385

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.058	0.109	0.220
\delta	-0.674	-0.194	0.174
\tau_1/\tau_2	0.707	1.069	1.424
Q_{PAH}	0.925	2.539	4.669
U_{min}	2.581	7.352	15.134
{\rm log}_{10}(\gamma_e)\,	-2.820	-1.726	-0.918

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.327	-3.354	-2.408
{\rm log}_{10}(\tau_{AGN})\,	1.083	1.580	1.961

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.730	-0.135	0.042
0.03-0.10 Gyr	0.078	0.390	0.728
0.10-0.33 Gyr	-0.136	0.223	0.479
0.33-1.08 Gyr	-0.393	0.019	0.237
1.08-3.55 Gyr	-0.392	0.038	0.258
3.55-11.68 Gyr	0.017	0.222	0.352
11.68-12.98 Gyr	-0.110	0.345	0.850