2025ttj results

2025ttj results

Information

Transient

Name:	`AT2025ttj`
Right ascension:	`15h35m31.35s`
Declination:	`8d18m44.82s`
Discovery Date:	`Aug. 13, 2025, 5:58 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.044`

Host

Name:	`J153531.35+081841.5`
Right ascension:	`15h35m31.35s`
Declination:	`8d18m41.55s`
Redshift:	`0.116851`
Photometric Redshift:	`0.115`

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 DES_g DES_r DES_z	SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g DES_i DES_Y

Processing Status: blocked

Task Name	Status	Time (s)
Cutout download	processed	35.58
Transient MWEBV	processed	0.05
Host match	processed	4.34
Host information	processed	0.14
Host MWEBV	processed	0.05
Global aperture construction	processed	0.66
Global aperture photometry	processed	5.29
Validate global photometry	processed	14.0
Global host SED inference	processed	444.78
Local aperture photometry	processed	5.88
Validate local photometry	processed	0.02
Local host SED inference	not enough filters	21.97

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	15h35m31.35s, 8d18m44.82s
semi major axis, semi minor axis (arcsec):	0.95, 0.95
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_z	14.51	0.59	20.996	0.044	AB

Aperture details

RA, DEC (J2000):	15h35m31.36s, 8d18m41.90s
semi major axis, semi minor axis (arcsec):	7.08, 5.15
angle (degrees, anti-clockwise from east):	-100.87

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	4.15	2.04	22.355	0.535	AB
GALEX_NUV	6.47	2.32	21.873	0.390	AB
DES_g	181.55	0.76	18.252	0.005	AB
PanSTARRS_g	181.87	1.58	18.251	0.009	AB
PanSTARRS_r	404.54	2.11	17.383	0.006	AB
DES_r	449.98	1.57	17.267	0.004	AB
PanSTARRS_i	617.4	2.28	16.924	0.004	AB
PanSTARRS_z	808.17	3.94	16.631	0.005	AB
DES_z	877.25	4.47	16.542	0.006	AB
PanSTARRS_y	955.15	9.78	16.450	0.011	AB
2MASS_J	1306.92	180.66	15.214	0.150	Vega
2MASS_H	1819.51	236.8	14.383	0.141	Vega
2MASS_K	2140.14	358.16	13.736	0.182	Vega
WISE_W1	666.82	17.3	14.141	0.028	Vega
WISE_W2	389.46	18.35	14.085	0.051	Vega
WISE_W3	216.3	62.12	12.888	0.312	Vega
WISE_W4	632.84	401.69	10.277	0.689	Vega

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})\,	10.745	10.817	10.941
{\rm log}_{10}({\rm SFR})	-4.611	-1.682	-0.571
{\rm log}_{10}({\rm sSFR})	-15.365	-12.524	-11.354
{\rm stellar\ age}	6.895	7.740	11.486

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.038	-0.702	-0.523
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.520	-0.678	0.100

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.247	0.402	0.582
\delta	-0.823	-0.514	-0.184
\tau_1/\tau_2	0.592	1.005	1.442
Q_{PAH}	0.499	1.369	2.810
U_{min}	3.087	8.908	17.537
{\rm log}_{10}(\gamma_e)\,	-2.969	-2.038	-0.831

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.470	-3.463	-2.484
{\rm log}_{10}(\tau_{AGN})\,	1.048	1.553	1.936

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-5.812	-2.083	-0.827
0.03-0.10 Gyr	-5.187	-1.772	-0.530
0.10-0.32 Gyr	-4.708	-1.682	-0.283
0.32-1.05 Gyr	-4.167	-1.420	-0.003
1.05-3.40 Gyr	-2.843	-0.370	0.761
3.40-11.02 Gyr	-0.634	0.930	1.135
11.02-12.25 Gyr	-0.189	1.185	2.081