2026hdm results

2026hdm results

Information

Transient

Name:	`AT2026hdm`
Right ascension:	`2h27m29.09s`
Declination:	`27d09m09.65s`
Discovery Date:	`March 13, 2026, 2:56 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.102`

Host

Name:	`J022728.77+270911.57`
Right ascension:	`2h27m28.77s`
Declination:	`27d09m11.57s`
Redshift:	`None`
Photometric Redshift:	`0.033`

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	16.61
Transient MWEBV	processed	0.05
Host match	processed	5.72
Host information	processed	0.1
Host MWEBV	processed	0.11
Global aperture construction	processed	0.72
Global aperture photometry	processed	5.25
Validate global photometry	processed	15.57
Global host SED inference	processed	752.1
Local aperture photometry	processed	4.8
Validate local photometry	processed	0.02
Local host SED inference	processed	552.51

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	2h27m29.09s, 27d09m09.65s
semi major axis, semi minor axis (arcsec):	3.0, 3.0
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	24.35	2.87	20.434	0.128	AB
SDSS_g	69.98	2.31	19.288	0.036	AB
PanSTARRS_g	69.18	0.71	19.300	0.011	AB
SDSS_r	127.11	3.24	18.640	0.028	AB
PanSTARRS_r	129.53	0.93	18.619	0.008	AB
SDSS_i	173.51	4.1	18.302	0.026	AB
PanSTARRS_i	172.3	1.13	18.309	0.007	AB
PanSTARRS_z	194.26	2.17	18.179	0.012	AB
SDSS_z	212.6	9.27	18.081	0.047	AB
PanSTARRS_y	234.77	5.31	17.973	0.025	AB
2MASS_J	298.16	57.59	16.819	0.210	Vega
2MASS_H	335.89	90.07	16.217	0.291	Vega
2MASS_K	327.85	113.5	15.773	0.376	Vega

Aperture details

RA, DEC (J2000):	2h27m28.74s, 27d09m11.60s
semi major axis, semi minor axis (arcsec):	19.92, 12.08
angle (degrees, anti-clockwise from east):	-71.68

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	61.96	7.72	19.420	0.135	AB
GALEX_NUV	52.87	5.96	19.592	0.122	AB
SDSS_u	366.59	14.4	17.490	0.043	AB
SDSS_g	578.38	7.59	16.994	0.014	AB
PanSTARRS_g	612.25	3.57	16.933	0.006	AB
SDSS_r	997.54	11.15	16.403	0.012	AB
PanSTARRS_r	1055.49	4.69	16.341	0.005	AB
SDSS_i	1366.84	15.42	16.061	0.012	AB
PanSTARRS_i	1396.46	5.72	16.037	0.004	AB
PanSTARRS_z	1486.13	11.07	15.970	0.008	AB
SDSS_z	1535.34	45.46	15.934	0.032	AB
PanSTARRS_y	1768.17	27.35	15.781	0.017	AB
2MASS_H	3260.78	471.78	13.749	0.157	Vega
2MASS_K	2130.89	595.41	13.741	0.303	Vega
WISE_W1	1041.47	31.47	13.657	0.033	Vega
WISE_W2	592.17	44.42	13.630	0.081	Vega
WISE_W3	1678.51	193.04	10.664	0.125	Vega
WISE_W4	132.36	750.86	11.976	6.159	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.993	9.108	9.216
{\rm log}_{10}({\rm SFR})	-1.617	-0.974	-0.503
{\rm log}_{10}({\rm sSFR})	-10.731	-10.093	-9.642
{\rm stellar\ age}	6.906	8.185	11.424

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.752	-1.311	-0.841
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.930	0.268	0.424

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.185	0.645	0.965
\delta	-0.426	0.000	0.275
\tau_1/\tau_2	0.722	1.105	1.497
Q_{PAH}	0.596	2.081	4.349
U_{min}	2.842	7.576	14.925
{\rm log}_{10}(\gamma_e)\,	-3.323	-2.252	-0.878

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.735	-1.811	-0.297
{\rm log}_{10}(\tau_{AGN})\,	1.025	1.437	1.961

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.785	-1.211	-0.864
0.03-0.10 Gyr	-1.736	-0.926	-0.388
0.10-0.33 Gyr	-2.379	-1.297	-0.703
0.33-1.09 Gyr	-2.759	-1.604	-1.009
1.09-3.62 Gyr	-2.637	-1.457	-0.914
3.62-11.98 Gyr	-1.374	-0.834	-0.649
11.98-13.31 Gyr	-1.101	-0.516	0.201

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.719	9.832	9.961
{\rm log}_{10}({\rm SFR})	-0.497	-0.092	0.327
{\rm log}_{10}({\rm sSFR})	-10.344	-9.932	-9.486
{\rm stellar\ age}	6.339	7.665	10.842

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.238	-0.814	-0.562
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	0.135	0.346	0.452

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.103	0.186	0.330
\delta	-0.730	-0.332	0.083
\tau_1/\tau_2	0.439	0.842	1.231
Q_{PAH}	0.811	2.013	3.871
U_{min}	2.923	8.453	16.495
{\rm log}_{10}(\gamma_e)\,	-3.001	-1.932	-1.163

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.188	-3.149	-2.254
{\rm log}_{10}(\tau_{AGN})\,	1.073	1.565	1.963

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.748	-1.106	-0.535
0.03-0.10 Gyr	-0.436	0.049	0.485
0.10-0.33 Gyr	-2.098	-0.366	0.038
0.33-1.09 Gyr	-3.022	-0.725	-0.297
1.09-3.62 Gyr	-1.971	-0.427	-0.008
3.62-11.98 Gyr	-0.840	-0.129	0.090
11.98-13.31 Gyr	-0.966	0.025	0.944