2025cu

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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

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	2.84
Cutout download	processed	4.22
Global aperture construction	processed	0.82
Local aperture photometry	processed	4.72
Global aperture photometry	processed	4.68
Validate local photometry	processed	0.02
Validate global photometry	processed	11.55
Host information	processed	0.11
Global host SED inference	processed	667.11
Local host SED inference	processed	680.9
Transient information	processed	0.0
Transient MWEBV	processed	0.07
Host MWEBV	processed	0.08
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) = 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

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	8.668	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