2025ggm

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Information

Transient

Name: AT2025ggm
Right ascension: 23h12m57.65s
Declination: -58d07m42.40s
Discovery Date: March 30, 2025, 9:24 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.013

Host

Name: 2025ggm
Right ascension: 23h12m57.34s
Declination: -58d07m39.72s
Redshift: 0.010107
Photometric Redshift:

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	0.26
Cutout download	processed	3.64
Global aperture construction	processed	0.16
Local aperture photometry	processed	0.94
Global aperture photometry	processed	0.99
Validate local photometry	processed	0.01
Validate global photometry	processed	1.46
Host information	processed	0.12
Global host SED inference	processed	489.6
Local host SED inference	processed	572.54
Transient information	processed	0.0
Transient MWEBV	processed	0.1
Host MWEBV	processed	0.09
Log transient processing status	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) = 23h12m57.65s, -58d07m42.40s
semi major axis, semi minor axis (arcsec) = 9.65, 9.65
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
GALEX_FUV	292.04	14.02	17.736	0.052	AB
GALEX_NUV	341.67	6.11	17.566	0.019	AB
2MASS_J	2345.69	271.5	14.579	0.126	Vega
2MASS_H	2866.73	358.29	13.889	0.136	Vega
2MASS_K	1632.21	420.02	14.030	0.279	Vega
WISE_W1	804.9	18.47	13.937	0.025	Vega
WISE_W2	418.79	22.11	14.006	0.057	Vega
WISE_W3	277.58	85.84	12.618	0.336	Vega

Aperture details

RA, DEC (J2000) = 23h12m57.36s, -58d07m39.55s
semi major axis, semi minor axis (arcsec) = 9.17, 8.0
angle (degrees, anti-clockwise from east) = -24.97

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
GALEX_FUV	281.72	13.77	17.775	0.053	AB
GALEX_NUV	360.18	6.27	17.509	0.019	AB
2MASS_J	2445.19	242.05	14.534	0.107	Vega
2MASS_H	2767.08	318.08	13.927	0.125	Vega
2MASS_K	1669.98	374.31	14.005	0.243	Vega
WISE_W1	897.96	19.56	13.818	0.024	Vega
WISE_W2	475.24	24.04	13.869	0.055	Vega
WISE_W3	368.59	96.15	12.310	0.283	Vega
WISE_W4	408.54	426.72	10.752	1.134	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	8.050	8.536	8.713
${\rm log}_{10}({\rm SFR})$	-1.351	-1.026	-0.518
${\rm log}_{10}({\rm sSFR})$	-9.925	-9.587	-8.849
${\rm stellar\ age}$	1.978	6.509	8.182

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.528	-0.718	-0.172
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.644	-1.076	-0.320

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.058	0.138	0.275
$\delta$	-0.633	-0.155	0.193
$\tau_1/\tau_2$	0.588	1.011	1.401
$Q_{PAH}$	0.205	0.734	1.996
$U_{min}$	3.031	8.318	15.217
${\rm log}_{10}(\gamma_e)\,$	-3.265	-2.534	-1.457

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.460	-3.473	-2.352
${\rm log}_{10}(\tau_{AGN})\,$	0.965	1.443	1.916

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.581	-1.099	-0.884
0.03-0.10 Gyr	-1.655	-1.022	-0.391
0.10-0.33 Gyr	-2.337	-1.438	-0.900
0.33-1.10 Gyr	-2.715	-1.605	-1.170
1.10-3.64 Gyr	-3.019	-1.557	-1.231
3.64-12.08 Gyr	-3.059	-1.471	-1.169
12.08-13.42 Gyr	-3.037	-1.507	-0.870

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	8.209	8.524	8.772
${\rm log}_{10}({\rm SFR})$	-1.409	-1.095	-0.675
${\rm log}_{10}({\rm sSFR})$	-10.029	-9.632	-9.100
${\rm stellar\ age}$	1.912	6.250	8.360

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.401	-0.821	-0.275
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.492	-0.742	-0.063

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.052	0.133	0.280
$\delta$	-0.613	-0.129	0.205
$\tau_1/\tau_2$	0.459	0.873	1.289
$Q_{PAH}$	0.332	1.051	2.497
$U_{min}$	3.040	8.272	15.564
${\rm log}_{10}(\gamma_e)\,$	-3.358	-2.552	-1.317

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.462	-3.606	-2.522
${\rm log}_{10}(\tau_{AGN})\,$	1.003	1.501	1.925

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.931	-1.163	-0.883
0.03-0.10 Gyr	-1.881	-1.119	-0.550
0.10-0.33 Gyr	-2.017	-1.169	-0.665
0.33-1.10 Gyr	-2.503	-1.475	-0.950
1.10-3.64 Gyr	-2.910	-1.593	-1.237
3.64-12.08 Gyr	-2.834	-1.513	-1.142
12.08-13.42 Gyr	-2.949	-1.477	-0.798