2025ubm

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Information

Transient

Name: AT2025ubm
Right ascension: 17h17m20.03s
Declination: 8d45m04.79s
Discovery Date: Aug. 13, 2025, 4:57 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.093

Host

Name:
Right ascension: 17h17m19.99s
Declination: 8d45m00.35s
Redshift: None
Photometric Redshift: 0.065

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	11.92
Transient MWEBV	processed	0.04
Host match	processed	7.58
Host information	processed	0.16
Host MWEBV	processed	0.03
Global aperture construction	processed	0.69
Global aperture photometry	processed	4.95
Validate global photometry	processed	13.27
Global host SED inference	processed	552.3
Local aperture photometry	processed	5.67
Validate local photometry	processed	0.02
Local host SED inference	processed	435.94

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) = 17h17m20.03s, 8d45m04.79s
semi major axis, semi minor axis (arcsec) = 1.6, 1.6
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	11.97	0.15	21.204	0.014	AB
PanSTARRS_g	14.9	0.36	20.967	0.026	AB
PanSTARRS_r	24.14	0.43	20.443	0.019	AB
PanSTARRS_i	33.09	0.45	20.101	0.015	AB
PanSTARRS_z	37.17	0.96	19.974	0.028	AB
DES_z	35.48	0.97	20.025	0.030	AB
PanSTARRS_y	41.68	2.41	19.850	0.063	AB

Aperture details

RA, DEC (J2000) = 17h17m19.99s, 8d45m00.86s
semi major axis, semi minor axis (arcsec) = 9.75, 4.04
angle (degrees, anti-clockwise from east) = -166.6

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	19.36	3.93	20.683	0.220	AB
GALEX_NUV	14.82	2.64	20.973	0.193	AB
DES_g	131.2	0.53	18.605	0.004	AB
PanSTARRS_g	140.19	1.38	18.533	0.011	AB
PanSTARRS_r	233.24	1.65	17.980	0.008	AB
PanSTARRS_i	321.01	1.76	17.634	0.006	AB
PanSTARRS_z	364.85	3.71	17.495	0.011	AB
DES_z	390.52	3.3	17.421	0.009	AB
PanSTARRS_y	410.55	9.36	17.367	0.025	AB
2MASS_J	316.76	161.89	16.753	0.555	Vega
2MASS_H	776.27	238.5	15.307	0.334	Vega
2MASS_K	1176.26	293.86	14.386	0.271	Vega
WISE_W1	246.14	23.92	15.223	0.106	Vega
WISE_W2	151.63	23.92	15.109	0.171	Vega
WISE_W3	599.73	93.79	11.781	0.170	Vega

Imaging data

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Spectral Energy Distribution

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Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.809	8.919	9.028
{\rm log}_{10}({\rm SFR})	-1.907	-1.355	-0.764
{\rm log}_{10}({\rm sSFR})	-10.871	-10.318	-9.692
{\rm stellar\ age}	6.407	7.576	9.623

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.618	-1.180	-0.776
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.359	-0.753	-0.092

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.208	0.557	0.855
\delta	-0.431	0.018	0.303
\tau_1/\tau_2	0.664	1.028	1.377
Q_{PAH}	0.946	2.603	4.906
U_{min}	2.633	7.622	14.742
{\rm log}_{10}(\gamma_e)\,	-3.012	-1.863	-0.750

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.218	-0.454	0.063
{\rm log}_{10}(\tau_{AGN})\,	1.198	1.526	1.960

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.882	-1.405	-0.945
0.03-0.10 Gyr	-2.106	-1.369	-0.686
0.10-0.33 Gyr	-2.369	-1.599	-1.055
0.33-1.08 Gyr	-2.472	-1.673	-1.188
1.08-3.53 Gyr	-2.195	-1.336	-0.985
3.53-11.60 Gyr	-1.330	-0.957	-0.804
11.60-12.89 Gyr	-1.415	-0.835	-0.149

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.827	9.895	9.998
{\rm log}_{10}({\rm SFR})	-0.738	-0.425	-0.091
{\rm log}_{10}({\rm sSFR})	-10.627	-10.338	-10.008
{\rm stellar\ age}	7.538	8.799	11.715

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.981	-0.744	-0.576
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.652	0.082	0.355

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.031	0.092	0.201
\delta	-0.174	0.181	0.342
\tau_1/\tau_2	0.587	1.013	1.456
Q_{PAH}	1.739	3.695	5.587
U_{min}	2.745	7.912	15.008
{\rm log}_{10}(\gamma_e)\,	-2.215	-1.119	-0.318

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.430	-1.937	-1.293
{\rm log}_{10}(\tau_{AGN})\,	1.164	1.619	1.930

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.000	-0.735	-0.584
0.03-0.10 Gyr	-0.743	-0.334	0.045
0.10-0.33 Gyr	-1.421	-0.729	-0.408
0.33-1.08 Gyr	-1.851	-0.942	-0.602
1.08-3.53 Gyr	-1.995	-0.911	-0.404
3.53-11.60 Gyr	-0.892	-0.034	0.117
11.60-12.89 Gyr	-0.089	0.537	1.100