2025abgs

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Information

Transient

Name: AT2025abgs
Right ascension: 21h43m54.87s
Declination: -9d08m10.70s
Discovery Date: Oct. 22, 2025, 9 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.039

Host

Name: 994749
Right ascension: 21h43m54.87s
Declination: -9d08m11.19s
Redshift: 0.055016
Photometric Redshift:

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	4.6
Cutout download	processed	6.56
Global aperture construction	processed	0.64
Local aperture photometry	processed	5.23
Global aperture photometry	processed	5.34
Validate local photometry	processed	0.02
Validate global photometry	processed	14.14
Host information	processed	0.07
Global host SED inference	time limit exceeded	7186.94
Local host SED inference	processed	559.63
Transient information	processed	0.0
Transient MWEBV	processed	0.09
Host MWEBV	processed	0.05
Processing status	blocked	N/A	N/A

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) = 21h43m54.87s, -9d08m10.70s
semi major axis, semi minor axis (arcsec) = 1.87, 1.87
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	492.95	0.92	17.168	0.002	AB
PanSTARRS_g	429.87	0.61	17.317	0.002	AB
PanSTARRS_r	744.57	0.84	16.720	0.001	AB
DES_r	1002.04	2.41	16.398	0.003	AB
PanSTARRS_i	1233.62	0.66	16.172	0.001	AB
PanSTARRS_z	1336.06	1.48	16.085	0.001	AB
DES_z	1605.27	6.88	15.886	0.005	AB
PanSTARRS_y	1587.25	3.22	15.898	0.002	AB

Aperture details

RA, DEC (J2000) = 21h43m54.92s, -9d08m06.36s
semi major axis, semi minor axis (arcsec) = 18.09, 4.32
angle (degrees, anti-clockwise from east) = -171.1

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	50.71	5.57	19.637	0.119	AB
GALEX_NUV	59.05	3.78	19.472	0.069	AB
DES_g	1490.59	1.69	15.967	0.001	AB
PanSTARRS_g	1458.92	2.26	15.990	0.002	AB
PanSTARRS_r	3602.99	3.27	15.008	0.001	AB
DES_r	4129.18	4.98	14.860	0.001	AB
PanSTARRS_i	7469.66	2.66	14.217	0.000	AB
PanSTARRS_z	10525.08	6.24	13.844	0.001	AB
DES_z	7630.35	15.18	14.194	0.002	AB
PanSTARRS_y	13039.06	14.68	13.612	0.001	AB
2MASS_J	16419.26	222.26	12.467	0.015	Vega
2MASS_H	19945.35	369.82	11.783	0.020	Vega
2MASS_K	17496.28	413.07	11.455	0.026	Vega
WISE_W1	7358.23	56.47	11.534	0.008	Vega
WISE_W2	5047.96	66.55	11.303	0.014	Vega
WISE_W3	4764.08	142.27	9.531	0.032	Vega
WISE_W4	12657.69	1141.27	7.024	0.098	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.952	10.217	10.424
{\rm log}_{10}({\rm SFR})	0.155	0.586	1.013
{\rm log}_{10}({\rm sSFR})	-10.176	-9.687	-8.967
{\rm stellar\ age}	3.705	6.721	8.660

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.561	-0.601	-0.255
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.849	-1.527	0.079

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.625	0.991	1.372
\delta	-0.656	-0.386	-0.086
\tau_1/\tau_2	0.451	0.878	1.336
Q_{PAH}	0.599	2.613	5.284
U_{min}	2.588	8.239	15.496
{\rm log}_{10}(\gamma_e)\,	-3.229	-1.541	-0.597

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.397	-3.246	-0.924
{\rm log}_{10}(\tau_{AGN})\,	0.933	1.508	2.061

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.477	0.805	1.107
0.03-0.10 Gyr	-0.779	0.357	0.999
0.10-0.33 Gyr	-1.116	-0.034	0.620
0.33-1.08 Gyr	-1.074	-0.036	0.480
1.08-3.56 Gyr	-0.874	0.063	0.510
3.56-11.72 Gyr	-0.628	0.209	0.529
11.72-13.02 Gyr	-0.828	0.252	1.001

Global parameter details

Documentation

Data not available