2025cta results

2025cta results

Information

Transient

Name:	`AT2025cta`
Right ascension:	`17h58m27.20s`
Declination:	`1d39m14.29s`
Discovery Date:	`Feb. 23, 2025, 12:28 p.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.249`

Host

Name:	`2025cta`
Right ascension:	`17h58m27.19s`
Declination:	`1d39m14.67s`
Redshift:	`0.100674`
Photometric Redshift:	`0.100`

Cutout Download Report

Downloaded	Unavailable
2MASS_H 2MASS_J 2MASS_K WISE_W1 WISE_W2 WISE_W3 WISE_W4 PanSTARRS_g PanSTARRS_r PanSTARRS_i PanSTARRS_z PanSTARRS_y	GALEX_NUV GALEX_FUV SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g DES_g DES_r DES_i DES_z DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	2.22
Transient MWEBV	processed	0.05
Host match	processed	10.46
Host information	processed	0.13
Host MWEBV	processed	0.04
Global aperture construction	processed	0.76
Global aperture photometry	processed	4.08
Validate global photometry	processed	11.51
Global host SED inference	processed	439.97
Local aperture photometry	processed	3.93
Validate local photometry	processed	0.02
Local host SED inference	processed	693.08

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	17h58m27.20s, 1d39m14.29s
semi major axis, semi minor axis (arcsec):	1.08, 1.08
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_z	215.36	0.98	18.067	0.005	AB
PanSTARRS_y	291.44	2.36	17.739	0.009	AB

Aperture details

RA, DEC (J2000):	17h58m27.18s, 1d39m15.01s
semi major axis, semi minor axis (arcsec):	8.07, 4.1
angle (degrees, anti-clockwise from east):	-8.55

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	147.41	1.55	18.479	0.011	AB
PanSTARRS_r	393.91	2.43	17.412	0.007	AB
PanSTARRS_i	685.44	2.82	16.810	0.004	AB
PanSTARRS_z	947.65	4.91	16.458	0.006	AB
PanSTARRS_y	1190.17	12.28	16.211	0.011	AB
2MASS_J	1669.29	191.88	14.949	0.125	Vega
2MASS_H	2562.39	261.34	14.011	0.111	Vega
2MASS_K	2626.81	324.32	13.514	0.134	Vega
WISE_W1	1058.79	61.79	13.639	0.063	Vega
WISE_W2	673.71	63.36	13.490	0.102	Vega
WISE_W3	1284.64	113.38	10.954	0.096	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.007	10.268	10.449
{\rm log}_{10}({\rm SFR})	-0.149	0.406	0.879
{\rm log}_{10}({\rm sSFR})	-10.483	-9.872	-9.250
{\rm stellar\ age}	5.043	7.269	10.636

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.851	-0.246	0.063
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.882	-0.414	0.258

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.643	1.030	1.528
\delta	-0.702	-0.382	-0.054
\tau_1/\tau_2	0.435	0.916	1.401
Q_{PAH}	0.517	1.619	3.952
U_{min}	3.112	8.297	15.240
{\rm log}_{10}(\gamma_e)\,	-3.389	-1.868	-0.670

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.869	-1.766	-0.355
{\rm log}_{10}(\tau_{AGN})\,	0.977	1.460	1.984

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.125	0.651	1.114
0.03-0.10 Gyr	-1.671	-0.111	0.674
0.10-0.33 Gyr	-2.455	-0.397	0.341
0.33-1.06 Gyr	-2.543	-0.349	0.339
1.06-3.44 Gyr	-2.022	-0.146	0.348
3.44-11.20 Gyr	-0.759	0.223	0.563
11.20-12.45 Gyr	-0.460	0.506	1.433

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.839	10.926	11.021
{\rm log}_{10}({\rm SFR})	-1.936	-0.426	0.349
{\rm log}_{10}({\rm sSFR})	-12.797	-11.312	-10.512
{\rm stellar\ age}	7.313	9.295	11.757

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.640	-0.436	-0.280
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.530	-0.581	0.184

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.185	0.319	0.500
\delta	-0.849	-0.550	-0.181
\tau_1/\tau_2	0.530	0.948	1.381
Q_{PAH}	0.623	2.320	4.809
U_{min}	2.546	7.422	15.075
{\rm log}_{10}(\gamma_e)\,	-3.062	-1.839	-0.798

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.334	-3.230	-2.181
{\rm log}_{10}(\tau_{AGN})\,	1.056	1.527	1.930

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.998	-0.449	0.221
0.03-0.10 Gyr	-3.071	-0.567	0.395
0.10-0.33 Gyr	-3.550	-0.858	0.284
0.33-1.06 Gyr	-3.776	-1.016	0.248
1.06-3.44 Gyr	-2.674	-0.575	0.559
3.44-11.20 Gyr	-0.885	0.852	1.150
11.20-12.45 Gyr	0.787	1.747	2.167