2026chp results

2026chp results

Information

Transient

Name:	`AT2026chp`
Right ascension:	`10h02m42.69s`
Declination:	`20d39m25.77s`
Discovery Date:	`Feb. 4, 2026, 9:03 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.021`

Host

Name:	`SDSSJ100242.66+20392`
Right ascension:	`10h02m42.65s`
Declination:	`20d39m25.37s`
Redshift:	`None`
Photometric Redshift:	`0.108`

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_z	DES_i DES_Y

Processing Status: blocked

Task Name	Status	Time (s)
Cutout download	processed	17.73
Transient MWEBV	processed	0.11
Host match	processed	4.98
Host information	processed	0.09
Host MWEBV	processed	0.05
Global aperture construction	processed	0.64
Global aperture photometry	processed	5.95
Validate global photometry	processed	16.31
Global host SED inference	processed	542.63
Local aperture photometry	processed	5.97
Validate local photometry	processed	0.03
Local host SED inference	not enough filters	19.86

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	10h02m42.69s, 20d39m25.77s
semi major axis, semi minor axis (arcsec):	1.01, 1.01
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	324.86	3.57	17.621	0.012	AB

Aperture details

RA, DEC (J2000):	10h02m42.66s, 20d39m26.09s
semi major axis, semi minor axis (arcsec):	5.15, 4.1
angle (degrees, anti-clockwise from east):	-58.49

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	1.02	0.99	23.882	1.056	AB
GALEX_NUV	2.98	0.46	22.716	0.167	AB
SDSS_u	41.92	3.88	19.844	0.100	AB
SDSS_g	176.04	3.65	18.286	0.022	AB
DES_g	190.96	0.78	18.198	0.004	AB
PanSTARRS_g	191.87	0.91	18.192	0.005	AB
SDSS_r	381.03	5.41	17.448	0.015	AB
PanSTARRS_r	377.54	1.52	17.458	0.004	AB
DES_r	413.92	1.88	17.358	0.005	AB
SDSS_i	545.92	6.87	17.057	0.014	AB
PanSTARRS_i	533.4	1.52	17.082	0.003	AB
PanSTARRS_z	674.92	3.0	16.827	0.005	AB
SDSS_z	671.69	13.7	16.832	0.022	AB
DES_z	706.77	5.46	16.777	0.008	AB
PanSTARRS_y	729.37	7.35	16.743	0.011	AB
WISE_W1	452.77	13.91	14.561	0.033	Vega
WISE_W2	290.6	17.55	14.403	0.066	Vega
WISE_W3	48.68	69.15	14.508	1.542	Vega
WISE_W4	2.43	461.9	16.318	206.727	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})\,	10.597	10.701	10.789
{\rm log}_{10}({\rm SFR})	-6.566	-3.086	-1.300
{\rm log}_{10}({\rm sSFR})	-17.223	-13.738	-11.881
{\rm stellar\ age}	7.271	10.363	11.725

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.664	-1.321	-0.959
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.610	-0.735	0.132

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.234	0.377	0.515
\delta	-0.457	-0.151	0.071
\tau_1/\tau_2	0.491	0.979	1.490
Q_{PAH}	1.078	3.159	5.431
U_{min}	4.091	11.015	19.213
{\rm log}_{10}(\gamma_e)\,	-2.890	-1.711	-0.364

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.489	-2.047	-1.351
{\rm log}_{10}(\tau_{AGN})\,	1.077	1.553	1.942

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-8.200	-4.090	-1.507
0.03-0.10 Gyr	-7.212	-3.656	-1.306
0.10-0.32 Gyr	-6.688	-3.334	-1.215
0.32-1.05 Gyr	-6.383	-3.569	-1.190
1.05-3.42 Gyr	-4.052	-2.132	-0.142
3.42-11.12 Gyr	-1.916	0.447	0.961
11.12-12.35 Gyr	-0.450	1.714	1.949