2025zja

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Information

Transient

Name: AT2025zja
Right ascension: 1h12m05.07s
Declination: 31d59m21.78s
Discovery Date: Sept. 20, 2025, 6:44 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.051

Host

Name:
Right ascension: 1h12m05.14s
Declination: 31d59m21.72s
Redshift: None
Photometric Redshift: 0.096

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	17.08
Transient MWEBV	processed	0.04
Host match	processed	4.62
Host information	processed	0.12
Host MWEBV	processed	0.04
Global aperture construction	processed	2.36
Global aperture photometry	processed	7.38
Validate global photometry	processed	17.31
Global host SED inference	processed	457.0
Local aperture photometry	processed	6.91
Validate local photometry	processed	0.03
Local host SED inference	processed	399.29

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) = 1h12m05.07s, 31d59m21.78s
semi major axis, semi minor axis (arcsec) = 1.12, 1.12
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_r	8.32	0.2	21.600	0.027	AB
PanSTARRS_i	10.21	0.33	21.377	0.035	AB
PanSTARRS_z	10.64	0.65	21.333	0.066	AB
DES_z	9.65	0.55	21.438	0.062	AB
PanSTARRS_y	9.31	1.72	21.478	0.201	AB

Aperture details

RA, DEC (J2000) = 1h12m05.13s, 31d59m21.99s
semi major axis, semi minor axis (arcsec) = 3.72, 2.47
angle (degrees, anti-clockwise from east) = -136.33

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	3.97	1.98	22.403	0.541	AB
GALEX_NUV	6.51	2.03	21.866	0.338	AB
SDSS_u	0.76	3.56	24.192	5.062	AB
SDSS_g	18.22	1.42	20.749	0.085	AB
DES_g	14.55	0.19	20.993	0.014	AB
PanSTARRS_g	15.23	0.74	20.943	0.053	AB
SDSS_r	24.78	2.14	20.415	0.094	AB
PanSTARRS_r	19.23	0.84	20.690	0.047	AB
DES_r	20.33	0.39	20.630	0.021	AB
SDSS_i	23.42	2.92	20.476	0.135	AB
PanSTARRS_i	22.62	0.85	20.514	0.041	AB
PanSTARRS_z	21.69	1.68	20.559	0.084	AB
SDSS_z	8.6	13.32	21.564	1.681	AB
DES_z	24.22	1.02	20.440	0.046	AB
PanSTARRS_y	18.06	4.46	20.758	0.268	AB
2MASS_J	2.8	87.07	21.886	33.734	Vega
2MASS_H	151.5	133.63	17.081	0.958	Vega
2MASS_K	-29.72	161.73			Vega
WISE_W1	2.71	5.04	20.120	2.022	Vega
WISE_W2	1.25	8.44	20.319	7.337	Vega
WISE_W3	-81.9	47.0			Vega
WISE_W4	-150.71	220.95			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})\,	8.218	8.467	8.647
{\rm log}_{10}({\rm SFR})	-1.849	-1.179	-0.488
{\rm log}_{10}({\rm sSFR})	-10.347	-9.690	-8.746
{\rm stellar\ age}	2.281	5.507	7.250

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.657	-1.176	-0.497
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.560	-0.797	0.034

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.221	0.528	1.121
\delta	-0.489	0.010	0.254
\tau_1/\tau_2	0.692	1.047	1.422
Q_{PAH}	0.987	2.732	5.070
U_{min}	2.814	7.836	14.498
{\rm log}_{10}(\gamma_e)\,	-2.831	-1.786	-0.788

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.662	-0.148	0.202
{\rm log}_{10}(\tau_{AGN})\,	1.120	1.542	1.903

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.762	-1.206	-0.699
0.03-0.10 Gyr	-1.992	-1.218	-0.425
0.10-0.33 Gyr	-2.177	-1.387	-0.772
0.33-1.06 Gyr	-2.473	-1.442	-0.994
1.06-3.45 Gyr	-2.545	-1.506	-1.208
3.45-11.25 Gyr	-2.568	-1.549	-1.230
11.25-12.50 Gyr	-2.643	-1.603	-1.000

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.256	8.513	8.725
{\rm log}_{10}({\rm SFR})	-0.808	-0.331	0.252
{\rm log}_{10}({\rm sSFR})	-9.391	-8.822	-8.100
{\rm stellar\ age}	0.256	2.696	5.581

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.571	-0.925	-0.272
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.627	-0.739	0.172

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.096	0.397	0.999
\delta	-0.217	0.146	0.326
\tau_1/\tau_2	0.650	1.120	1.538
Q_{PAH}	1.803	3.773	5.489
U_{min}	3.468	9.685	17.684
{\rm log}_{10}(\gamma_e)\,	-2.835	-1.680	-0.661

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.202	-0.895	-0.153
{\rm log}_{10}(\tau_{AGN})\,	0.982	1.431	1.813

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.543	-1.005	-0.632
0.03-0.10 Gyr	-0.740	-0.210	0.401
0.10-0.33 Gyr	-1.868	-0.564	-0.084
0.33-1.06 Gyr	-3.521	-1.368	-0.764
1.06-3.45 Gyr	-4.472	-1.855	-1.211
3.45-11.25 Gyr	-4.990	-2.110	-1.396
11.25-12.50 Gyr	-4.906	-2.040	-1.111