2025ahgv

Download data

Information

Transient

Name: AT2025ahgv
Right ascension: 1h43m43.74s
Declination: -0d32m48.00s
Discovery Date: Dec. 14, 2025, 3:51 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.028

Host

Name:
Right ascension: 1h43m43.62s
Declination: -0d32m47.33s
Redshift: None
Photometric Redshift: 0.193

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	19.1
Transient MWEBV	processed	0.04
Host match	processed	8.51
Host information	processed	0.17
Host MWEBV	processed	0.06
Global aperture construction	processed	0.7
Global aperture photometry	processed	6.88
Validate global photometry	processed	18.77
Global host SED inference	processed	502.67
Local aperture photometry	processed	6.71
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) = 1h43m43.74s, -0d32m48.00s
semi major axis, semi minor axis (arcsec) = 0.62, 0.62
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) = 1h43m43.60s, -0d32m46.97s
semi major axis, semi minor axis (arcsec) = 6.85, 5.7
angle (degrees, anti-clockwise from east) = -61.26

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	10.52	0.53	21.345	0.055	AB
GALEX_NUV	16.33	0.45	20.868	0.030	AB
SDSS_u	58.99	6.05	19.473	0.111	AB
SDSS_g	111.4	3.38	18.783	0.033	AB
DES_g	119.89	0.46	18.703	0.004	AB
PanSTARRS_g	123.8	1.56	18.668	0.014	AB
SDSS_r	210.94	4.83	18.090	0.025	AB
PanSTARRS_r	202.86	2.05	18.132	0.011	AB
DES_r	225.18	0.68	18.019	0.003	AB
SDSS_i	282.74	6.83	17.772	0.026	AB
PanSTARRS_i	263.35	1.89	17.849	0.008	AB
PanSTARRS_z	347.94	5.14	17.546	0.016	AB
SDSS_z	283.66	18.76	17.768	0.072	AB
DES_z	343.87	2.26	17.559	0.007	AB
PanSTARRS_y	377.32	10.29	17.458	0.030	AB
2MASS_J	369.93	137.33	16.585	0.403	Vega
2MASS_H	400.41	230.32	16.026	0.624	Vega
2MASS_K	776.91	254.21	14.836	0.355	Vega
WISE_W1	215.42	11.93	15.368	0.060	Vega
WISE_W2	167.31	16.07	15.002	0.104	Vega
WISE_W3	153.93	63.82	13.258	0.450	Vega
WISE_W4	1024.19	522.57	9.754	0.554	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})\,	10.518	10.664	10.823
{\rm log}_{10}({\rm SFR})	0.940	1.320	1.628
{\rm log}_{10}({\rm sSFR})	-9.815	-9.325	-8.989
{\rm stellar\ age}	5.064	6.545	10.081

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.530	-1.001	-0.633
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.629	-0.831	0.142

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.235	0.342	0.501
\delta	-0.798	-0.566	-0.319
\tau_1/\tau_2	0.425	0.928	1.440
Q_{PAH}	0.585	2.225	4.420
U_{min}	3.271	9.807	17.475
{\rm log}_{10}(\gamma_e)\,	-3.194	-2.162	-0.840

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.977	-2.430	-1.623
{\rm log}_{10}(\tau_{AGN})\,	0.992	1.383	1.827

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.971	-1.740	-0.524
0.03-0.10 Gyr	1.103	1.482	1.791
0.10-0.32 Gyr	-2.022	0.079	1.100
0.32-1.01 Gyr	-2.884	-0.666	0.607
1.01-3.22 Gyr	-2.475	0.167	0.866
3.22-10.24 Gyr	-0.713	0.645	0.990
10.24-11.38 Gyr	-0.607	0.950	1.951