2025adar

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Information

Transient

Name: AT2025adar
Right ascension: 0h03m56.23s
Declination: 18d56m56.41s
Discovery Date: Nov. 12, 2025, 4:22 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.034

Host

Name:
Right ascension: 0h03m56.21s
Declination: 18d56m56.45s
Redshift: None
Photometric Redshift: 0.125

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	19.1
Transient MWEBV	processed	0.04
Host match	processed	5.74
Host information	processed	0.13
Host MWEBV	processed	0.04
Global aperture construction	processed	0.64
Global aperture photometry	processed	7.34
Validate global photometry	processed	18.19
Global host SED inference	processed	409.45
Local aperture photometry	processed	7.2
Validate local photometry	no valid phot	0.03
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) = 0h03m56.23s, 18d56m56.41s
semi major axis, semi minor axis (arcsec) = 0.9, 0.9
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) = 0h03m56.19s, 18d56m56.67s
semi major axis, semi minor axis (arcsec) = 2.45, 2.13
angle (degrees, anti-clockwise from east) = -10.78

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	0.9	0.6	24.020	0.725	AB
GALEX_NUV	0.31	0.85	25.176	3.001	AB
SDSS_u	12.32	2.32	21.173	0.205	AB
SDSS_g	26.74	1.61	20.332	0.065	AB
DES_g	27.88	0.3	20.287	0.012	AB
PanSTARRS_g	29.69	0.5	20.218	0.018	AB
SDSS_r	60.59	2.41	19.444	0.043	AB
PanSTARRS_r	59.31	0.47	19.467	0.009	AB
DES_r	62.42	0.65	19.412	0.011	AB
SDSS_i	89.24	3.21	19.024	0.039	AB
PanSTARRS_i	87.25	0.89	19.048	0.011	AB
PanSTARRS_z	113.57	1.95	18.762	0.019	AB
SDSS_z	105.91	8.55	18.838	0.088	AB
DES_z	111.12	3.05	18.786	0.030	AB
PanSTARRS_y	133.53	3.42	18.586	0.028	AB
2MASS_J	57.94	79.11	18.598	1.482	Vega
2MASS_H	-20.35	125.54			Vega
2MASS_K	22.43	126.69	18.685	6.132	Vega
WISE_W1	68.98	7.52	16.604	0.118	Vega
WISE_W2	27.08	11.44	16.980	0.459	Vega
WISE_W3	-17.74	57.39			Vega
WISE_W4	-102.18	398.29			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})\,	9.789	9.912	10.006
{\rm log}_{10}({\rm SFR})	-1.018	-0.347	0.217
{\rm log}_{10}({\rm sSFR})	-10.952	-10.243	-9.643
{\rm stellar\ age}	5.659	6.955	8.795

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.221	-0.627	-0.204
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.537	-0.621	0.096

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.313	0.497	0.712
\delta	-0.862	-0.616	-0.274
\tau_1/\tau_2	0.603	1.008	1.409
Q_{PAH}	0.740	2.278	4.352
U_{min}	2.707	8.009	15.224
{\rm log}_{10}(\gamma_e)\,	-2.783	-1.780	-0.628

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.106	-1.434	-0.780
{\rm log}_{10}(\tau_{AGN})\,	1.178	1.561	1.871

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.393	-0.594	-0.199
0.03-0.10 Gyr	-1.133	-0.303	0.338
0.10-0.32 Gyr	-1.358	-0.430	0.067
0.32-1.05 Gyr	-1.485	-0.532	-0.046
1.05-3.38 Gyr	-1.043	-0.222	0.097
3.38-10.94 Gyr	-0.369	0.036	0.210
10.94-12.15 Gyr	-0.508	0.141	0.806