2025znp

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Information

Transient

Name: AT2025znp
Right ascension: 1h01m29.21s
Declination: -17d37m37.23s
Discovery Date: Oct. 3, 2025, 8:58 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.016

Host

Name:
Right ascension: 1h01m29.09s
Declination: -17d37m35.40s
Redshift: None
Photometric Redshift: 0.077

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	3.93
Transient MWEBV	processed	0.06
Host match	processed	5.88
Host information	processed	0.12
Host MWEBV	processed	0.05
Global aperture construction	processed	0.62
Global aperture photometry	processed	4.32
Validate global photometry	processed	11.65
Global host SED inference	processed	447.58
Local aperture photometry	processed	4.15
Validate local photometry	processed	0.02
Local host SED inference	processed	438.61

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) = 1h01m29.21s, -17d37m37.23s
semi major axis, semi minor axis (arcsec) = 1.38, 1.38
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	28.63	0.37	20.258	0.014	AB
PanSTARRS_r	52.23	0.51	19.605	0.011	AB
PanSTARRS_i	74.96	0.6	19.213	0.009	AB
PanSTARRS_z	91.99	1.01	18.991	0.012	AB
PanSTARRS_y	116.42	2.6	18.735	0.024	AB

Aperture details

RA, DEC (J2000) = 1h01m29.09s, -17d37m35.09s
semi major axis, semi minor axis (arcsec) = 11.79, 6.53
angle (degrees, anti-clockwise from east) = -105.06

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	7.32	1.7	21.739	0.252	AB
GALEX_NUV	11.8	1.84	21.221	0.169	AB
PanSTARRS_g	647.76	2.31	16.871	0.004	AB
PanSTARRS_r	1267.2	3.17	16.143	0.003	AB
PanSTARRS_i	1743.57	3.74	15.796	0.002	AB
PanSTARRS_z	2215.23	6.35	15.536	0.003	AB
PanSTARRS_y	2656.51	16.53	15.339	0.007	AB
2MASS_J	3284.78	205.79	14.214	0.068	Vega
2MASS_H	4105.12	340.83	13.499	0.090	Vega
2MASS_K	3746.27	376.41	13.128	0.109	Vega
WISE_W1	1617.71	27.85	13.179	0.019	Vega
WISE_W2	1000.13	31.12	13.061	0.034	Vega
WISE_W3	255.16	100.24	12.709	0.426	Vega
WISE_W4	-402.1	608.61			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})\,	9.328	9.459	9.580
{\rm log}_{10}({\rm SFR})	-1.990	-1.152	-0.562
{\rm log}_{10}({\rm sSFR})	-11.362	-10.624	-9.982
{\rm stellar\ age}	4.486	6.805	8.349

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.319	-0.452	-0.008
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.440	-0.570	0.156

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.290	0.785	1.309
\delta	-0.473	-0.047	0.263
\tau_1/\tau_2	0.645	1.004	1.360
Q_{PAH}	1.139	3.165	5.345
U_{min}	2.970	8.018	15.401
{\rm log}_{10}(\gamma_e)\,	-3.154	-2.018	-0.776

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.865	-0.721	-0.022
{\rm log}_{10}(\tau_{AGN})\,	1.050	1.436	1.940

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.517	-1.433	-0.942
0.03-0.10 Gyr	-2.155	-1.144	-0.451
0.10-0.33 Gyr	-1.781	-0.937	-0.306
0.33-1.07 Gyr	-1.627	-0.795	-0.205
1.07-3.50 Gyr	-1.317	-0.551	-0.260
3.50-11.47 Gyr	-1.138	-0.450	-0.265
11.47-12.74 Gyr	-1.397	-0.433	0.158

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.769	10.825	10.875
{\rm log}_{10}({\rm SFR})	-1.290	-0.780	-0.286
{\rm log}_{10}({\rm sSFR})	-12.113	-11.618	-11.089
{\rm stellar\ age}	7.223	7.905	9.612

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.711	-0.495	-0.295
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.311	-0.475	0.148

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.103	0.213	0.368
\delta	-0.806	-0.515	-0.156
\tau_1/\tau_2	0.687	1.061	1.439
Q_{PAH}	0.985	4.060	6.182
U_{min}	2.489	7.635	15.133
{\rm log}_{10}(\gamma_e)\,	-2.683	-1.003	-0.254

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.982	-2.822	-1.814
{\rm log}_{10}(\tau_{AGN})\,	1.175	1.671	2.002

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.531	-0.868	-0.395
0.03-0.10 Gyr	-1.541	-0.791	-0.217
0.10-0.33 Gyr	-1.398	-0.581	0.028
0.33-1.07 Gyr	-1.381	-0.442	0.203
1.07-3.50 Gyr	-0.818	0.263	0.745
3.50-11.47 Gyr	0.761	1.014	1.120
11.47-12.74 Gyr	0.547	1.147	1.734