2025zgr

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Information

Transient

Name: AT2025zgr
Right ascension: 8h00m11.51s
Declination: 67d12m24.33s
Discovery Date: Sept. 29, 2025, 5:04 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.043

Host

Name:
Right ascension: 8h00m11.77s
Declination: 67d12m22.22s
Redshift: None
Photometric Redshift: 0.134

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	16.72
Transient MWEBV	processed	0.04
Host match	processed	4.65
Host information	processed	0.11
Host MWEBV	processed	0.06
Global aperture construction	processed	0.68
Global aperture photometry	processed	4.82
Validate global photometry	processed	14.21
Global host SED inference	processed	385.82
Local aperture photometry	failed	1.52
Validate local photometry	not processed	None
Local host SED inference	not processed	None

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) = 8h00m11.51s, 67d12m24.33s
semi major axis, semi minor axis (arcsec) = 0.84, 0.84
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys

Data not available

Aperture details

RA, DEC (J2000) = 8h00m11.75s, 67d12m22.35s
semi major axis, semi minor axis (arcsec) = 4.98, 3.81
angle (degrees, anti-clockwise from east) = -14.83

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	2.98	1.72	22.713	0.625	AB
GALEX_NUV	10.5	2.33	21.347	0.241	AB
SDSS_u	15.47	3.69	20.926	0.259	AB
SDSS_g	61.03	2.33	19.436	0.041	AB
PanSTARRS_g	74.4	1.17	19.221	0.017	AB
SDSS_r	139.17	3.58	18.541	0.028	AB
PanSTARRS_r	141.79	1.29	18.521	0.010	AB
SDSS_i	199.06	4.94	18.153	0.027	AB
PanSTARRS_i	196.91	1.39	18.164	0.008	AB
PanSTARRS_z	245.31	3.34	17.926	0.015	AB
SDSS_z	279.46	13.13	17.784	0.051	AB
PanSTARRS_y	285.83	9.38	17.760	0.036	AB
2MASS_J	421.98	94.38	16.442	0.243	Vega
2MASS_H	157.75	129.07	17.037	0.888	Vega
2MASS_K	152.67	155.92	16.603	1.109	Vega
WISE_W1	202.52	10.35	15.435	0.055	Vega
WISE_W2	156.03	17.35	15.078	0.121	Vega
WISE_W3	553.69	58.39	11.868	0.114	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

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})\,	10.301	10.350	10.423
{\rm log}_{10}({\rm SFR})	-0.150	0.119	0.398
{\rm log}_{10}({\rm sSFR})	-10.545	-10.237	-9.932
{\rm stellar\ age}	6.714	7.475	9.620

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.627	-0.416	-0.250
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.442	-0.784	-0.051

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.145	0.243	0.381
\delta	-0.653	-0.311	0.051
\tau_1/\tau_2	0.773	1.146	1.526
Q_{PAH}	1.269	2.706	4.540
U_{min}	2.666	7.952	14.328
{\rm log}_{10}(\gamma_e)\,	-2.260	-1.272	-0.467

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.756	-2.183	-1.272
{\rm log}_{10}(\tau_{AGN})\,	1.086	1.546	1.914

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.560	-0.235	-0.008
0.03-0.10 Gyr	-0.121	0.213	0.524
0.10-0.32 Gyr	-0.323	0.081	0.371
0.32-1.04 Gyr	-0.686	-0.217	0.113
1.04-3.36 Gyr	-0.645	-0.065	0.268
3.36-10.85 Gyr	0.191	0.515	0.626
10.85-12.05 Gyr	0.264	0.798	1.393