2026arr

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Information

Transient

Name: AT2026arr
Right ascension: 1h37m15.79s
Declination: -8d34m15.88s
Discovery Date: Jan. 15, 2026, 2:32 a.m.
Classification: None
Redshift: None
MW E(B-V):

Host

Name:
Right ascension: 1h37m15.74s
Declination: -8d34m16.90s
Redshift: None
Photometric Redshift: 0.185

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	16.62
Transient MWEBV	processed	0.03
Host match	processed	5.96
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.65
Global aperture photometry	processed	4.77
Validate global photometry	processed	16.48
Global host SED inference	processed	402.85
Local aperture photometry	processed	4.65
Validate local photometry	no valid phot	0.02
Local host SED inference	not 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) = 1h37m15.79s, -8d34m15.88s
semi major axis, semi minor axis (arcsec) = 0.64, 0.64
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys

Data not available

Aperture details

RA, DEC (J2000) = 1h37m15.72s, -8d34m16.70s
semi major axis, semi minor axis (arcsec) = 2.89, 2.34
angle (degrees, anti-clockwise from east) = -173.02

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	2.87	0.49	22.755	0.184	AB
GALEX_NUV	2.87	0.42	22.757	0.160	AB
SDSS_u	4.65	2.86	22.231	0.668	AB
SDSS_g	23.7	1.54	20.463	0.070	AB
PanSTARRS_g	22.15	0.53	20.537	0.026	AB
SDSS_r	40.25	2.09	19.888	0.056	AB
PanSTARRS_r	40.9	0.67	19.871	0.018	AB
SDSS_i	63.34	2.9	19.396	0.050	AB
PanSTARRS_i	59.11	0.81	19.471	0.015	AB
PanSTARRS_z	66.3	1.52	19.346	0.025	AB
SDSS_z	86.1	8.2	19.062	0.103	AB
PanSTARRS_y	70.86	3.82	19.274	0.058	AB
2MASS_J	159.08	93.62	17.501	0.639	Vega
2MASS_H	79.46	130.79	17.782	1.787	Vega
2MASS_K	366.0	157.37	15.653	0.467	Vega
WISE_W1	85.92	7.38	16.366	0.093	Vega
WISE_W2	61.39	10.71	16.091	0.189	Vega
WISE_W3	123.13	50.78	13.500	0.448	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

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})\,	9.817	9.944	10.086
{\rm log}_{10}({\rm SFR})	-0.090	0.264	0.580
{\rm log}_{10}({\rm sSFR})	-10.127	-9.703	-9.293
{\rm stellar\ age}	2.593	4.632	6.140

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.379	-0.628	-0.091
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.755	-0.315	0.282

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.552	0.776	1.007
\delta	-0.101	0.088	0.239
\tau_1/\tau_2	0.723	1.050	1.388
Q_{PAH}	1.067	2.819	4.793
U_{min}	2.594	7.493	14.576
{\rm log}_{10}(\gamma_e)\,	-2.932	-1.973	-0.800

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.055	-2.506	-1.282
{\rm log}_{10}(\tau_{AGN})\,	0.968	1.409	1.894

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.041	0.257	0.505
0.03-0.10 Gyr	-0.237	0.238	0.646
0.10-0.32 Gyr	-0.027	0.409	0.726
0.32-1.02 Gyr	-0.057	0.387	0.718
1.02-3.24 Gyr	-0.197	0.148	0.377
3.24-10.32 Gyr	-0.649	-0.065	0.212
10.32-11.47 Gyr	-0.977	-0.097	0.432