2025ahzb

Download data

Information

Transient

Name: AT2025ahzb
Right ascension: 7h57m31.20s
Declination: 65d20m25.96s
Discovery Date: Dec. 21, 2025, 10:23 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.048

Host

Name:
Right ascension: 7h57m30.58s
Declination: 65d20m29.53s
Redshift: None
Photometric Redshift: 0.084

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	16.22
Transient MWEBV	processed	0.04
Host match	processed	5.04
Host information	processed	0.16
Host MWEBV	processed	0.04
Global aperture construction	processed	0.66
Global aperture photometry	processed	7.95
Validate global photometry	processed	22.65
Global host SED inference	processed	660.03
Local aperture photometry	processed	5.39
Validate local photometry	processed	0.03
Local host SED inference	processed	444.0

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) = 7h57m31.20s, 65d20m25.96s
semi major axis, semi minor axis (arcsec) = 1.27, 1.27
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_r	10.13	0.34	21.386	0.036	AB
SDSS_i	16.52	1.4	20.855	0.092	AB
PanSTARRS_i	14.51	0.33	20.996	0.025	AB
PanSTARRS_z	14.33	1.06	21.010	0.080	AB
PanSTARRS_y	21.87	2.6	20.550	0.129	AB

Aperture details

RA, DEC (J2000) = 7h57m30.57s, 65d20m29.74s
semi major axis, semi minor axis (arcsec) = 9.74, 7.82
angle (degrees, anti-clockwise from east) = -162.36

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	24.1	5.17	20.445	0.233	AB
GALEX_NUV	22.75	3.65	20.507	0.174	AB
SDSS_u	89.69	6.05	19.018	0.073	AB
SDSS_g	236.47	4.56	17.966	0.021	AB
PanSTARRS_g	222.35	1.83	18.032	0.009	AB
SDSS_r	495.92	6.94	17.161	0.015	AB
PanSTARRS_r	445.74	2.32	17.277	0.006	AB
SDSS_i	667.75	9.22	16.838	0.015	AB
PanSTARRS_i	639.04	2.25	16.886	0.004	AB
PanSTARRS_z	721.55	7.28	16.754	0.011	AB
SDSS_z	739.54	24.35	16.728	0.036	AB
PanSTARRS_y	769.77	18.06	16.684	0.025	AB
2MASS_J	1056.38	230.36	15.446	0.237	Vega
2MASS_H	1320.65	406.18	14.730	0.334	Vega
2MASS_K	1281.77	389.61	14.293	0.330	Vega
WISE_W1	470.72	22.93	14.519	0.053	Vega
WISE_W2	288.45	23.88	14.411	0.090	Vega
WISE_W3	531.8	114.33	11.912	0.233	Vega
WISE_W4	546.17	477.09	10.437	0.948	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Click the image to load the interactive plot.

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.476	8.716	8.893
{\rm log}_{10}({\rm SFR})	-1.568	-1.029	-0.459
{\rm log}_{10}({\rm sSFR})	-10.294	-9.793	-9.082
{\rm stellar\ age}	3.132	6.149	7.836

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.480	-0.776	-0.133
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.236	-0.393	0.195

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.435	0.935	1.424
\delta	-0.253	0.054	0.294
\tau_1/\tau_2	0.702	1.048	1.387
Q_{PAH}	0.810	2.373	4.948
U_{min}	3.026	7.921	15.169
{\rm log}_{10}(\gamma_e)\,	-2.828	-1.783	-0.683

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.040	-0.612	0.076
{\rm log}_{10}(\tau_{AGN})\,	1.099	1.538	1.897

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.522	-1.013	-0.541
0.03-0.10 Gyr	-1.798	-1.109	-0.442
0.10-0.33 Gyr	-2.107	-1.269	-0.700
0.33-1.07 Gyr	-2.339	-1.341	-0.800
1.07-3.49 Gyr	-2.343	-1.367	-1.023
3.49-11.38 Gyr	-2.110	-1.276	-0.980
11.38-12.65 Gyr	-2.179	-1.297	-0.634

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.399	10.497	10.549
{\rm log}_{10}({\rm SFR})	-0.757	-0.344	0.028
{\rm log}_{10}({\rm sSFR})	-11.285	-10.824	-10.449
{\rm stellar\ age}	8.224	11.353	11.971

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.971	-0.779	-0.649
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	0.142	0.341	0.451

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.041	0.086	0.163
\delta	-0.736	-0.293	0.148
\tau_1/\tau_2	0.555	0.996	1.451
Q_{PAH}	1.311	3.105	5.077
U_{min}	2.748	8.322	15.790
{\rm log}_{10}(\gamma_e)\,	-2.751	-1.668	-0.503

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.217	-3.038	-2.118
{\rm log}_{10}(\tau_{AGN})\,	1.058	1.555	1.980

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.632	-0.315	-0.122
0.03-0.10 Gyr	-1.155	-0.359	0.110
0.10-0.33 Gyr	-3.562	-1.184	-0.482
0.33-1.07 Gyr	-5.119	-1.558	-0.757
1.07-3.49 Gyr	-3.957	-1.440	-0.532
3.49-11.38 Gyr	-1.701	-0.052	0.635
11.38-12.65 Gyr	0.832	1.597	1.697