2026tnd results

2026tnd results

Information

Transient

Name:	`AT2026tnd`
Right ascension:	`16h25m24.93s`
Declination:	`38d48m20.71s`
Discovery Date:	`July 10, 2026, 9:52 p.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.010`

Host

Name:	`J162523.59+384823.33`
Object ID:	`9907734547400815`
Catalog Name:	`decals`
Catalog Release:	`dr9`
Right ascension:	`16h25m23.59s`
Declination:	`38d48m23.33s`
Redshift:	`0.031635`
Photometric Redshift:	`None`

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 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	16.21
Transient MWEBV	processed	0.13
Host match	processed	6.96
Host information	processed	0.04
Host MWEBV	processed	0.05
Global aperture construction	processed	0.61
Global aperture photometry	processed	4.8
Validate global photometry	processed	13.37
Global host SED inference	processed	424.99
Local aperture photometry	processed	4.67
Validate local photometry	processed	0.02
Local host SED inference	processed	626.3

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	16h25m24.93s, 38d48m20.71s
semi major axis, semi minor axis (arcsec):	3.16, 3.16
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	33.64	3.39	20.083	0.109	AB
SDSS_g	104.37	2.79	18.854	0.029	AB
PanSTARRS_g	105.53	0.87	18.842	0.009	AB
SDSS_r	180.51	3.74	18.259	0.022	AB
PanSTARRS_r	193.98	0.93	18.181	0.005	AB
SDSS_i	252.94	4.9	17.892	0.021	AB
PanSTARRS_i	250.85	0.9	17.901	0.004	AB
PanSTARRS_z	306.0	2.08	17.686	0.007	AB
SDSS_z	341.72	10.41	17.566	0.033	AB
PanSTARRS_y	326.95	4.59	17.614	0.015	AB
2MASS_J	405.14	66.95	16.486	0.179	Vega
2MASS_H	541.8	93.42	15.698	0.187	Vega
2MASS_K	308.14	115.04	15.840	0.405	Vega

Aperture details

RA, DEC (J2000):	16h25m23.60s, 38d48m23.42s
semi major axis, semi minor axis (arcsec):	33.48, 5.99
angle (degrees, anti-clockwise from east):	-79.38

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	66.58	6.8	19.342	0.111	AB
GALEX_NUV	83.78	5.08	19.092	0.066	AB
SDSS_u	419.18	14.95	17.344	0.039	AB
SDSS_g	1741.86	11.54	15.797	0.007	AB
PanSTARRS_g	1852.37	3.82	15.731	0.002	AB
SDSS_r	3427.04	16.38	15.063	0.005	AB
PanSTARRS_r	3613.08	4.12	15.005	0.001	AB
SDSS_i	5018.32	21.93	14.649	0.005	AB
PanSTARRS_i	4999.42	3.99	14.653	0.001	AB
PanSTARRS_z	6439.18	9.44	14.378	0.002	AB
SDSS_z	6995.24	46.76	14.288	0.007	AB
PanSTARRS_y	7612.84	20.34	14.196	0.003	AB
WISE_W1	6552.9	62.01	11.660	0.010	Vega
WISE_W2	4283.68	54.78	11.481	0.014	Vega
WISE_W3	17319.72	174.96	8.130	0.011	Vega
WISE_W4	22328.33	1617.83	6.408	0.079	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.109	9.215	9.315
{\rm log}_{10}({\rm SFR})	-2.407	-1.444	-0.849
{\rm log}_{10}({\rm sSFR})	-11.624	-10.717	-10.051
{\rm stellar\ age}	7.217	8.621	12.323

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.529	-0.996	-0.681
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.916	-1.565	0.056

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.162	0.532	0.949
\delta	-0.582	-0.121	0.192
\tau_1/\tau_2	0.645	1.031	1.404
Q_{PAH}	0.798	2.506	4.952
U_{min}	2.942	8.304	15.634
{\rm log}_{10}(\gamma_e)\,	-3.369	-2.514	-1.079

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.203	-1.057	-0.255
{\rm log}_{10}(\tau_{AGN})\,	1.011	1.351	1.803

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.133	-1.856	-1.090
0.03-0.10 Gyr	-2.550	-1.445	-0.739
0.10-0.33 Gyr	-2.962	-1.578	-0.872
0.33-1.10 Gyr	-3.633	-1.832	-1.035
1.10-3.63 Gyr	-3.788	-1.672	-0.885
3.63-12.00 Gyr	-1.955	-0.766	-0.561
12.00-13.33 Gyr	-1.040	-0.295	0.394

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.591	10.634	10.713
{\rm log}_{10}({\rm SFR})	-0.537	-0.314	-0.115
{\rm log}_{10}({\rm sSFR})	-11.174	-10.955	-10.758
{\rm stellar\ age}	7.841	8.568	11.171

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.670	-0.475	-0.308
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.576	-0.278	0.313

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.490	0.606	0.750
\delta	0.193	0.294	0.363
\tau_1/\tau_2	0.657	1.030	1.428
Q_{PAH}	1.602	2.997	4.706
U_{min}	2.551	7.417	15.008
{\rm log}_{10}(\gamma_e)\,	-2.808	-1.775	-1.172

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.861	-1.596	-1.279
{\rm log}_{10}(\tau_{AGN})\,	1.056	1.474	1.802

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.454	-0.160	0.054
0.03-0.10 Gyr	-1.274	-0.440	-0.104
0.10-0.33 Gyr	-1.851	-0.723	-0.282
0.33-1.10 Gyr	-1.832	-0.791	-0.297
1.10-3.63 Gyr	-1.320	-0.265	0.249
3.63-12.00 Gyr	0.414	0.808	0.893
12.00-13.33 Gyr	0.510	1.038	1.693