2025alpd

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Information

Transient

Name: AT2025alpd
Right ascension: 10h28m25.81s
Declination: 2d34m22.51s
Discovery Date: Dec. 31, 2025, 10:32 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.036

Host

Name:
Right ascension: 10h28m25.84s
Declination: 2d34m23.01s
Redshift: None
Photometric Redshift: 0.127

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	17.99
Transient MWEBV	processed	0.04
Host match	processed	5.93
Host information	processed	0.07
Host MWEBV	processed	0.05
Global aperture construction	processed	0.64
Global aperture photometry	processed	5.74
Validate global photometry	processed	17.29
Global host SED inference	processed	383.63
Local aperture photometry	processed	5.37
Validate local photometry	no valid phot	0.03
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) = 10h28m25.81s, 2d34m22.51s
semi major axis, semi minor axis (arcsec) = 0.88, 0.88
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) = 10h28m25.83s, 2d34m23.36s
semi major axis, semi minor axis (arcsec) = 5.23, 3.35
angle (degrees, anti-clockwise from east) = -172.07

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	1.69	0.38	23.331	0.242	AB
GALEX_NUV	3.28	0.36	22.611	0.118	AB
SDSS_u	7.37	3.32	21.732	0.489	AB
SDSS_g	44.3	2.1	19.784	0.051	AB
DES_g	44.06	0.37	19.790	0.009	AB
PanSTARRS_g	41.92	0.8	19.844	0.021	AB
SDSS_r	83.48	3.07	19.096	0.040	AB
PanSTARRS_r	80.44	1.3	19.136	0.018	AB
SDSS_i	110.36	4.18	18.793	0.041	AB
PanSTARRS_i	108.72	1.22	18.809	0.012	AB
PanSTARRS_z	134.35	2.4	18.579	0.019	AB
SDSS_z	104.67	16.77	18.850	0.174	AB
PanSTARRS_y	139.62	5.65	18.538	0.044	AB
2MASS_J	222.97	132.89	17.134	0.647	Vega
2MASS_H	362.51	175.12	16.134	0.524	Vega
2MASS_K	586.54	235.79	15.141	0.436	Vega
WISE_W1	81.55	10.72	16.422	0.143	Vega
WISE_W2	65.81	14.89	16.015	0.246	Vega
WISE_W3	21.37	69.67	15.401	3.539	Vega
WISE_W4	-168.27	371.11			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})\,	9.809	9.904	10.000
{\rm log}_{10}({\rm SFR})	-0.762	-0.334	0.058
{\rm log}_{10}({\rm sSFR})	-10.718	-10.230	-9.798
{\rm stellar\ age}	4.786	6.162	7.347

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.387	-0.743	-0.327
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.467	-0.641	0.047

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.248	0.406	0.591
\delta	-0.635	-0.337	-0.068
\tau_1/\tau_2	0.701	1.008	1.335
Q_{PAH}	1.054	2.712	4.533
U_{min}	2.901	8.214	15.427
{\rm log}_{10}(\gamma_e)\,	-2.199	-1.160	-0.402

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.679	-1.857	-1.008
{\rm log}_{10}(\tau_{AGN})\,	1.082	1.558	1.939

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.195	-0.564	-0.220
0.03-0.10 Gyr	-0.799	-0.282	0.171
0.10-0.32 Gyr	-0.530	-0.081	0.268
0.32-1.04 Gyr	-0.497	-0.015	0.290
1.04-3.38 Gyr	-0.341	0.006	0.233
3.38-10.92 Gyr	-0.293	0.006	0.189
10.92-12.13 Gyr	-0.556	0.019	0.504