2025gc

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Information

Transient

Name: AT2025gc
Right ascension: 11h23m40.02s
Declination: -22d16m09.17s
Discovery Date: Jan. 3, 2025, 3:04 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.029

Host

Name: 2025gc
Right ascension: 11h23m40.95s
Declination: -22d16m14.48s
Redshift: 0.027309
Photometric Redshift: 0.080

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	1.8
Cutout download	processed	2.81
Global aperture construction	processed	0.81
Local aperture photometry	processed	4.77
Global aperture photometry	processed	4.8
Validate local photometry	processed	0.02
Validate global photometry	processed	13.07
Host information	processed	0.11
Global host SED inference	processed	612.28
Local host SED inference	processed	616.68
Transient information	processed	0.0
Transient MWEBV	processed	0.08
Host MWEBV	processed	0.07
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) = 11h23m40.02s, -22d16m09.17s
semi major axis, semi minor axis (arcsec) = 3.65, 3.65
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
PanSTARRS_g	54.18	1.41	19.565	0.028	AB
PanSTARRS_r	79.42	1.15	19.150	0.016	AB
PanSTARRS_i	104.15	1.37	18.856	0.014	AB
PanSTARRS_z	116.57	3.15	18.734	0.029	AB
PanSTARRS_y	138.3	6.67	18.548	0.052	AB
2MASS_J	249.88	85.59	17.011	0.372	Vega
2MASS_H	58.33	146.76	18.118	2.732	Vega
2MASS_K	-151.86	174.93			Vega

Aperture details

RA, DEC (J2000) = 11h23m41.05s, -22d16m12.59s
semi major axis, semi minor axis (arcsec) = 24.86, 12.7
angle (degrees, anti-clockwise from east) = -123.37

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
PanSTARRS_g	4443.7	7.1	14.781	0.002	AB
PanSTARRS_i	11277.94	6.66	13.769	0.001	AB
PanSTARRS_z	13186.54	15.33	13.600	0.001	AB
2MASS_J	18174.48	457.61	12.356	0.027	Vega
2MASS_H	20844.52	779.55	11.735	0.041	Vega
2MASS_K	15096.1	933.76	11.615	0.067	Vega
WISE_W1	8470.74	61.55	11.381	0.008	Vega
WISE_W2	4892.17	69.23	11.337	0.015	Vega
WISE_W3	13378.94	231.73	8.410	0.019	Vega
WISE_W4	14370.24	1755.01	6.886	0.133	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	8.337	8.498	8.645
${\rm log}_{10}({\rm SFR})$	-2.454	-1.556	-0.922
${\rm log}_{10}({\rm sSFR})$	-10.900	-10.104	-9.400
${\rm stellar\ age}$	3.388	6.627	8.277

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.607	-1.059	-0.512
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.409	-0.655	-0.056

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.193	0.681	1.055
$\delta$	-0.563	-0.088	0.252
$\tau_1/\tau_2$	0.712	1.067	1.395
$Q_{PAH}$	0.771	2.265	4.794
$U_{min}$	2.973	7.898	15.130
${\rm log}_{10}(\gamma_e)\,$	-3.302	-2.231	-1.008

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-3.284	-1.344	-0.179
${\rm log}_{10}(\tau_{AGN})\,$	1.027	1.432	1.935

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.890	-1.935	-1.356
0.03-0.10 Gyr	-2.602	-1.533	-0.800
0.10-0.33 Gyr	-2.362	-1.436	-0.830
0.33-1.10 Gyr	-2.422	-1.549	-1.083
1.10-3.64 Gyr	-2.334	-1.501	-1.184
3.64-12.05 Gyr	-2.326	-1.478	-1.239
12.05-13.39 Gyr	-2.522	-1.505	-0.876

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	10.593	10.713	10.837
${\rm log}_{10}({\rm SFR})$	-2.592	-1.017	0.113
${\rm log}_{10}({\rm sSFR})$	-13.418	-11.737	-10.517
${\rm stellar\ age}$	7.183	8.460	12.504

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.376	-0.963	-0.727
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.397	-0.501	0.151

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.240	0.422	0.647
$\delta$	-0.744	-0.362	-0.055
$\tau_1/\tau_2$	0.505	0.958	1.369
$Q_{PAH}$	0.954	2.369	4.981
$U_{min}$	2.944	8.900	16.910
${\rm log}_{10}(\gamma_e)\,$	-3.286	-2.154	-1.279

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.001	-2.896	-1.929
${\rm log}_{10}(\tau_{AGN})\,$	1.180	1.663	2.008

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-4.117	-1.325	-0.279
0.03-0.10 Gyr	-3.729	-1.077	0.196
0.10-0.33 Gyr	-4.003	-1.121	0.315
0.33-1.10 Gyr	-3.956	-0.971	0.313
1.10-3.64 Gyr	-2.939	-0.386	0.592
3.64-12.05 Gyr	-1.053	0.702	0.974
12.05-13.39 Gyr	-0.299	1.078	1.940