2025yc

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Information

Transient

Name: AT2025yc
Right ascension: 2h09m41.37s
Declination: -4d03m54.50s
Discovery Date: Jan. 20, 2025, 5:43 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.021

Host

Name: 2025yc
Right ascension: 2h09m41.32s
Declination: -4d03m52.88s
Redshift: None
Photometric Redshift: 0.185

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	1.73
Cutout download	processed	19.19
Global aperture construction	processed	0.6
Local aperture photometry	processed	6.32
Global aperture photometry	processed	6.54
Validate local photometry	no valid phot	0.03
Validate global photometry	processed	17.53
Host information	processed	0.08
Global host SED inference	processed	1343.59
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.07
Host MWEBV	processed	0.04
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) = 2h09m41.37s, -4d03m54.50s
semi major axis, semi minor axis (arcsec) = 0.64, 0.64
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) = 2h09m41.21s, -4d03m52.04s
semi major axis, semi minor axis (arcsec) = 7.15, 3.4
angle (degrees, anti-clockwise from east) = -63.34

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	4.47	1.22	22.273	0.295	AB
GALEX_NUV	3.66	0.3	22.490	0.090	AB
SDSS_u	38.28	5.52	19.942	0.156	AB
SDSS_g	95.62	2.93	18.949	0.033	AB
DES_g	96.92	0.38	18.934	0.004	AB
PanSTARRS_g	100.53	1.03	18.894	0.011	AB
SDSS_r	248.15	4.7	17.913	0.021	AB
PanSTARRS_r	248.91	1.37	17.910	0.006	AB
DES_r	257.54	0.61	17.873	0.003	AB
SDSS_i	367.56	6.05	17.487	0.018	AB
PanSTARRS_i	376.19	1.31	17.461	0.004	AB
PanSTARRS_z	431.9	2.99	17.312	0.008	AB
SDSS_z	476.36	19.27	17.205	0.044	AB
DES_z	460.32	2.45	17.242	0.006	AB
2MASS_J	492.09	161.28	16.275	0.356	Vega
2MASS_H	379.18	289.36	16.085	0.829	Vega
2MASS_K	297.73	277.05	15.878	1.010	Vega
WISE_W1	284.54	13.36	15.066	0.051	Vega
WISE_W2	168.8	17.73	14.993	0.114	Vega
WISE_W3	280.19	75.05	12.607	0.291	Vega
WISE_W4	975.55	381.67	9.807	0.425	Vega

Imaging data

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})\,	10.923	11.025	11.060
{\rm log}_{10}({\rm SFR})	-0.492	0.005	0.420
{\rm log}_{10}({\rm sSFR})	-11.483	-10.997	-10.554
{\rm stellar\ age}	7.842	10.830	10.886

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.263	-1.054	-0.865
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.380	-0.400	-0.032

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.217	0.282	0.373
\delta	-0.934	-0.798	-0.610
\tau_1/\tau_2	0.565	1.094	1.591
Q_{PAH}	0.231	0.806	2.303
U_{min}	3.781	9.728	17.916
{\rm log}_{10}(\gamma_e)\,	-3.414	-2.476	-1.116

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.405	-3.339	-2.420
{\rm log}_{10}(\tau_{AGN})\,	1.016	1.500	1.928

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.006	0.442	0.804
0.03-0.10 Gyr	-3.590	-1.867	-0.081
0.10-0.32 Gyr	-6.073	-3.661	-0.906
0.32-1.02 Gyr	-7.050	-4.182	-1.057
1.02-3.24 Gyr	-4.883	-2.861	-0.636
3.24-10.32 Gyr	-2.027	-0.561	1.153
10.32-11.47 Gyr	1.545	2.214	2.255