2026ceh

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Information

Transient

Name: AT2026ceh
Right ascension: 17h52m21.67s
Declination: 59d36m49.56s
Discovery Date: Feb. 5, 2026, 12:44 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.053

Host

Name:
Right ascension: 17h52m21.10s
Declination: 59d36m49.02s
Redshift: None
Photometric Redshift: 0.087

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	16.1
Transient MWEBV	processed	0.07
Host match	processed	5.52
Host information	processed	0.18
Host MWEBV	processed	0.06
Global aperture construction	processed	0.61
Global aperture photometry	processed	4.09
Validate global photometry	processed	11.43
Global host SED inference	processed	539.46
Local aperture photometry	processed	4.29
Validate local photometry	processed	0.03
Local host SED inference	processed	479.76

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) = 17h52m21.67s, 59d36m49.56s
semi major axis, semi minor axis (arcsec) = 1.23, 1.23
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	86.14	0.43	19.062	0.005	AB
PanSTARRS_i	124.72	0.49	18.660	0.004	AB
PanSTARRS_z	161.58	1.23	18.379	0.008	AB
PanSTARRS_y	192.37	2.23	18.190	0.013	AB

Aperture details

RA, DEC (J2000) = 17h52m21.35s, 59d36m48.53s
semi major axis, semi minor axis (arcsec) = 12.83, 5.44
angle (degrees, anti-clockwise from east) = -76.6

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	6.72	1.97	21.831	0.319	AB
GALEX_NUV	4.57	0.86	22.250	0.204	AB
PanSTARRS_g	742.67	2.51	16.723	0.004	AB
PanSTARRS_r	1604.52	2.79	15.887	0.002	AB
PanSTARRS_i	2325.06	3.23	15.484	0.002	AB
PanSTARRS_z	2970.73	8.13	15.218	0.003	AB
PanSTARRS_y	3647.89	14.94	14.995	0.004	AB
2MASS_J	5056.33	195.45	13.746	0.042	Vega
2MASS_H	6265.58	316.82	13.040	0.055	Vega
2MASS_K	5645.45	321.72	12.683	0.062	Vega
WISE_W1	2350.19	20.57	12.773	0.010	Vega
WISE_W2	1429.4	20.99	12.673	0.016	Vega
WISE_W3	286.51	63.45	12.583	0.240	Vega
WISE_W4	83.45	293.06	12.476	3.813	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})\,	9.687	9.827	9.967
{\rm log}_{10}({\rm SFR})	-1.976	-1.061	-0.274
{\rm log}_{10}({\rm sSFR})	-11.882	-10.952	-10.165
{\rm stellar\ age}	4.351	7.355	10.273

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.984	-0.465	-0.159
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.463	-0.691	0.073

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.169	0.523	1.213
\delta	-0.615	-0.151	0.216
\tau_1/\tau_2	0.586	0.959	1.328
Q_{PAH}	0.713	2.183	4.949
U_{min}	3.130	8.526	16.088
{\rm log}_{10}(\gamma_e)\,	-3.111	-1.945	-0.681

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.657	-0.663	-0.099
{\rm log}_{10}(\tau_{AGN})\,	1.021	1.465	1.926

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.539	-1.317	-0.687
0.03-0.10 Gyr	-2.224	-1.093	-0.161
0.10-0.33 Gyr	-2.191	-1.002	-0.129
0.33-1.07 Gyr	-2.290	-0.797	0.104
1.07-3.48 Gyr	-2.308	-0.537	0.003
3.48-11.35 Gyr	-1.497	-0.140	0.107
11.35-12.61 Gyr	-0.909	0.045	0.924

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	11.131	11.223	11.250
{\rm log}_{10}({\rm SFR})	-2.091	-1.561	-1.160
{\rm log}_{10}({\rm sSFR})	-13.311	-12.767	-12.348
{\rm stellar\ age}	8.560	11.791	11.978

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.456	-0.349	-0.250
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.442	-0.629	0.137

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.023	0.056	0.106
\delta	-0.826	-0.473	-0.061
\tau_1/\tau_2	0.582	0.999	1.467
Q_{PAH}	1.269	3.035	4.861
U_{min}	2.853	8.587	16.619
{\rm log}_{10}(\gamma_e)\,	-2.656	-1.222	-0.363

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.360	-3.453	-2.507
{\rm log}_{10}(\tau_{AGN})\,	1.045	1.526	1.937

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.327	-1.527	-1.134
0.03-0.10 Gyr	-3.127	-1.716	-1.118
0.10-0.33 Gyr	-3.804	-1.920	-1.133
0.33-1.07 Gyr	-4.442	-2.105	-1.146
1.07-3.48 Gyr	-3.377	-1.569	-0.380
3.48-11.35 Gyr	-1.643	0.084	1.340
11.35-12.61 Gyr	1.676	2.359	2.398