2025gcm results

2025gcm results

Information

Transient

Name:	`AT2025gcm`
Right ascension:	`14h02m15.47s`
Declination:	`7d59m09.22s`
Discovery Date:	`March 27, 2025, 9:03 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.022`

Host

Name:	`2025gcm`
Right ascension:	`14h02m15.65s`
Declination:	`7d59m10.61s`
Redshift:	`0.053994`
Photometric Redshift:	`0.068`

Cutout Download Report

Downloaded	Unavailable
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_z	DES_i DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	19.53
Transient MWEBV	processed	0.08
Host match	processed	1.98
Host information	processed	0.12
Host MWEBV	processed	0.05
Global aperture construction	processed	0.63
Global aperture photometry	processed	6.97
Validate global photometry	processed	16.66
Global host SED inference	processed	372.16
Local aperture photometry	processed	6.78
Validate local photometry	processed	0.02
Local host SED inference	processed	428.58

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	14h02m15.47s, 7d59m09.22s
semi major axis, semi minor axis (arcsec):	1.9, 1.9
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	33.35	2.13	20.092	0.069	AB
SDSS_g	98.87	2.64	18.912	0.029	AB
DES_g	107.56	0.54	18.821	0.005	AB
PanSTARRS_g	98.62	0.43	18.915	0.005	AB
SDSS_r	151.22	3.31	18.451	0.024	AB
PanSTARRS_r	165.95	0.62	18.350	0.004	AB
DES_r	193.94	1.1	18.181	0.006	AB
SDSS_i	212.35	4.04	18.082	0.021	AB
PanSTARRS_i	230.88	0.73	17.992	0.003	AB
PanSTARRS_z	256.99	1.25	17.875	0.005	AB
SDSS_z	271.49	6.95	17.816	0.028	AB
DES_z	293.42	3.34	17.731	0.012	AB
PanSTARRS_y	319.46	2.82	17.639	0.010	AB

Aperture details

RA, DEC (J2000):	14h02m15.63s, 7d59m10.70s
semi major axis, semi minor axis (arcsec):	13.97, 5.24
angle (degrees, anti-clockwise from east):	-101.9

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	29.44	4.32	20.228	0.159	AB
GALEX_NUV	43.85	3.39	19.795	0.084	AB
SDSS_u	135.89	7.81	18.567	0.062	AB
SDSS_g	554.91	6.64	17.039	0.013	AB
DES_g	553.13	1.34	17.043	0.003	AB
PanSTARRS_g	557.28	1.78	17.035	0.003	AB
SDSS_r	891.05	8.74	16.525	0.011	AB
PanSTARRS_r	936.95	2.62	16.471	0.003	AB
DES_r	1007.18	2.66	16.392	0.003	AB
SDSS_i	1268.01	11.25	16.142	0.010	AB
PanSTARRS_i	1265.78	3.1	16.144	0.003	AB
PanSTARRS_z	1428.71	5.39	16.013	0.004	AB
SDSS_z	1585.39	26.85	15.900	0.018	AB
DES_z	1541.56	8.02	15.930	0.006	AB
PanSTARRS_y	1736.91	12.53	15.801	0.008	AB
WISE_W1	1291.17	21.37	13.424	0.018	Vega
WISE_W2	890.82	25.03	13.187	0.031	Vega
WISE_W3	4054.65	86.69	9.706	0.023	Vega
WISE_W4	4568.38	619.75	8.131	0.147	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.279	9.421	9.541
{\rm log}_{10}({\rm SFR})	-0.881	-0.536	-0.169
{\rm log}_{10}({\rm sSFR})	-10.360	-9.960	-9.560
{\rm stellar\ age}	4.454	6.349	7.690

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.056	-0.298	-0.015
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.186	0.106	0.305

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.277	0.490	0.896
\delta	-0.786	-0.379	0.012
\tau_1/\tau_2	0.574	0.899	1.220
Q_{PAH}	0.675	2.579	5.090
U_{min}	3.028	8.023	14.638
{\rm log}_{10}(\gamma_e)\,	-3.176	-1.705	-0.617

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.171	-2.619	-0.911
{\rm log}_{10}(\tau_{AGN})\,	0.958	1.451	1.934

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.614	-0.410	-0.174
0.03-0.10 Gyr	-1.225	-0.605	-0.137
0.10-0.33 Gyr	-1.243	-0.618	-0.181
0.33-1.08 Gyr	-1.016	-0.500	-0.195
1.08-3.56 Gyr	-0.914	-0.482	-0.245
3.56-11.73 Gyr	-0.951	-0.540	-0.329
11.73-13.04 Gyr	-1.171	-0.538	-0.042

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.058	10.156	10.241
{\rm log}_{10}({\rm SFR})	-0.428	-0.203	0.020
{\rm log}_{10}({\rm sSFR})	-10.590	-10.353	-10.112
{\rm stellar\ age}	3.767	5.758	7.017

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.859	-0.563	-0.322
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.528	0.080	0.328

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.337	0.481	0.672
\delta	-0.233	-0.040	0.126
\tau_1/\tau_2	0.677	0.989	1.295
Q_{PAH}	1.172	2.238	3.640
U_{min}	2.682	7.099	14.275
{\rm log}_{10}(\gamma_e)\,	-2.845	-2.111	-1.503

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.838	-1.897	-1.539
{\rm log}_{10}(\tau_{AGN})\,	0.943	1.310	1.758

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.101	0.061	0.241
0.03-0.10 Gyr	-1.004	-0.415	-0.057
0.10-0.33 Gyr	-0.838	-0.320	0.059
0.33-1.08 Gyr	-0.105	0.274	0.534
1.08-3.56 Gyr	0.273	0.484	0.670
3.56-11.73 Gyr	-0.350	0.171	0.376
11.73-13.04 Gyr	-0.907	-0.013	0.528