2025ahpy

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Information

Transient

Name: AT2025ahpy
Right ascension: 15h44m59.60s
Declination: 52d38m20.81s
Discovery Date: Dec. 19, 2025, 1:08 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.013

Host

Name:
Right ascension: 15h44m59.67s
Declination: 52d38m23.04s
Redshift: None
Photometric Redshift: 0.147

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	13.09
Transient MWEBV	processed	0.07
Host match	processed	6.7
Host information	processed	0.11
Host MWEBV	processed	0.07
Global aperture construction	processed	0.64
Global aperture photometry	processed	6.67
Validate global photometry	processed	13.87
Global host SED inference	processed	536.06
Local aperture photometry	processed	5.16
Validate local photometry	no valid phot	0.02
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) = 15h44m59.60s, 52d38m20.81s
semi major axis, semi minor axis (arcsec) = 0.78, 0.78
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) = 15h44m59.65s, 52d38m23.22s
semi major axis, semi minor axis (arcsec) = 4.03, 3.65
angle (degrees, anti-clockwise from east) = -111.1

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	20.99	3.57	20.595	0.185	AB
PanSTARRS_g	89.96	1.02	19.015	0.012	AB
SDSS_r	210.1	4.1	18.094	0.021	AB
PanSTARRS_r	213.25	1.16	18.078	0.006	AB
SDSS_i	309.54	5.13	17.673	0.018	AB
PanSTARRS_i	313.55	1.23	17.659	0.004	AB
PanSTARRS_z	408.02	2.56	17.373	0.007	AB
SDSS_z	456.3	10.6	17.252	0.025	AB
PanSTARRS_y	469.36	6.45	17.221	0.015	AB
2MASS_J	430.67	108.93	16.420	0.275	Vega
2MASS_H	809.84	178.93	15.261	0.240	Vega
2MASS_K	891.81	167.96	14.687	0.204	Vega
WISE_W1	264.44	11.23	15.145	0.046	Vega
WISE_W2	168.54	13.0	14.994	0.084	Vega
WISE_W3	23.36	37.16	15.305	1.727	Vega
WISE_W4	-176.39	175.08			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})\,	10.638	10.750	10.846
{\rm log}_{10}({\rm SFR})	-3.619	-1.057	0.142
{\rm log}_{10}({\rm sSFR})	-14.319	-11.760	-10.575
{\rm stellar\ age}	6.881	9.396	11.278

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.479	-1.133	-0.831
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.561	-0.716	0.095

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.294	0.451	0.614
\delta	-0.888	-0.679	-0.426
\tau_1/\tau_2	0.502	0.957	1.485
Q_{PAH}	0.947	2.710	4.861
U_{min}	3.601	10.519	18.206
{\rm log}_{10}(\gamma_e)\,	-2.648	-1.561	-0.586

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.164	-2.737	-1.631
{\rm log}_{10}(\tau_{AGN})\,	1.120	1.598	1.924

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-5.085	-2.112	-0.509
0.03-0.10 Gyr	-4.125	-1.118	0.267
0.10-0.32 Gyr	-4.380	-1.389	0.247
0.32-1.03 Gyr	-5.497	-2.083	-0.058
1.03-3.33 Gyr	-3.880	-1.331	0.488
3.33-10.70 Gyr	-1.728	0.512	1.002
10.70-11.89 Gyr	0.163	1.690	2.021