2025cu results

2025cu results

Information

Transient

Name:	`AT2025cu`
Right ascension:	`4h03m13.63s`
Declination:	`35d03m40.26s`
Discovery Date:	`Jan. 4, 2025, 4:44 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.165`

Host

Name:	`2025cu`
Right ascension:	`4h03m13.70s`
Declination:	`35d03m40.86s`
Redshift:	`None`
Photometric Redshift:	`0.080`

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	4.22
Transient MWEBV	processed	0.07
Host match	processed	2.84
Host information	processed	0.11
Host MWEBV	processed	0.08
Global aperture construction	processed	0.82
Global aperture photometry	processed	4.68
Validate global photometry	processed	11.55
Global host SED inference	processed	667.11
Local aperture photometry	processed	4.72
Validate local photometry	processed	0.02
Local host SED inference	processed	680.9

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	4h03m13.63s, 35d03m40.26s
semi major axis, semi minor axis (arcsec):	1.33, 1.33
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	21.06	0.33	20.591	0.017	AB
PanSTARRS_r	33.65	0.33	20.082	0.011	AB
PanSTARRS_i	44.53	0.47	19.778	0.012	AB
PanSTARRS_z	55.98	0.9	19.530	0.017	AB
PanSTARRS_y	61.12	2.01	19.435	0.036	AB

Aperture details

RA, DEC (J2000):	4h03m13.70s, 35d03m40.99s
semi major axis, semi minor axis (arcsec):	5.71, 2.7
angle (degrees, anti-clockwise from east):	-106.33

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	62.23	0.95	19.415	0.017	AB
PanSTARRS_r	92.17	0.9	18.988	0.011	AB
PanSTARRS_i	118.24	1.3	18.718	0.012	AB
PanSTARRS_z	132.47	2.46	18.595	0.020	AB
PanSTARRS_y	160.91	5.47	18.384	0.037	AB
WISE_W2	176.98	30.88	14.941	0.189	Vega
WISE_W3	87.02	114.03	13.877	1.423	Vega
WISE_W4	818.23	555.19	9.998	0.737	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.668	8.965	9.109
{\rm log}_{10}({\rm SFR})	-2.469	-0.999	0.240
{\rm log}_{10}({\rm sSFR})	-11.424	-9.960	-8.503
{\rm stellar\ age}	0.251	3.748	6.461

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.303	-0.579	-0.111
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.460	-0.706	0.003

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.102	0.503	1.157
\delta	-0.565	-0.109	0.247
\tau_1/\tau_2	0.632	1.057	1.498
Q_{PAH}	0.945	3.064	5.490
U_{min}	3.689	9.713	17.618
{\rm log}_{10}(\gamma_e)\,	-3.096	-1.907	-0.671

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.076	-0.575	0.012
{\rm log}_{10}(\tau_{AGN})\,	1.106	1.439	1.965

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.999	-2.175	-1.357
0.03-0.10 Gyr	-2.604	-0.883	0.400
0.10-0.33 Gyr	-1.445	-0.367	0.405
0.33-1.07 Gyr	-3.222	-0.845	-0.336
1.07-3.50 Gyr	-4.375	-1.185	-0.661
3.50-11.43 Gyr	-5.210	-1.561	-0.845
11.43-12.70 Gyr	-5.388	-1.556	-0.641

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.034	9.247	9.420
{\rm log}_{10}({\rm SFR})	-1.352	-0.462	0.167
{\rm log}_{10}({\rm sSFR})	-10.660	-9.759	-9.027
{\rm stellar\ age}	0.492	2.813	5.772

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.479	-0.825	-0.142
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.361	-0.305	0.266

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.143	0.400	0.701
\delta	-0.505	-0.030	0.300
\tau_1/\tau_2	0.672	1.107	1.526
Q_{PAH}	1.090	2.933	5.049
U_{min}	3.003	8.172	16.143
{\rm log}_{10}(\gamma_e)\,	-3.065	-1.717	-0.578

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.541	-0.955	-0.433
{\rm log}_{10}(\tau_{AGN})\,	0.969	1.525	1.908

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.125	-0.898	-0.417
0.03-0.10 Gyr	-1.769	-0.401	0.307
0.10-0.33 Gyr	-0.454	0.189	0.705
0.33-1.07 Gyr	-1.688	-0.229	0.232
1.07-3.50 Gyr	-3.392	-0.886	-0.345
3.50-11.43 Gyr	-4.141	-1.311	-0.586
11.43-12.70 Gyr	-4.370	-1.281	-0.405