2025aerk

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Information

Transient

Name: AT2025aerk
Right ascension: 13h35m20.29s
Declination: 64d57m52.72s
Discovery Date: Nov. 23, 2025, 12:55 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.017

Host

Name: 13351977+6457454
Right ascension: 13h35m19.77s
Declination: 64d57m45.45s
Redshift: 0.051703
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	14.81
Transient MWEBV	processed	0.04
Host match	processed	4.09
Host information	processed	0.04
Host MWEBV	processed	0.15
Global aperture construction	processed	0.66
Global aperture photometry	processed	4.87
Validate global photometry	processed	13.28
Global host SED inference	processed	423.55
Local aperture photometry	processed	4.67
Validate local photometry	processed	0.02
Local host SED inference	processed	473.56

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) = 13h35m20.29s, 64d57m52.72s
semi major axis, semi minor axis (arcsec) = 1.98, 1.98
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	15.48	1.78	20.925	0.125	AB
SDSS_g	43.41	1.79	19.806	0.045	AB
PanSTARRS_g	43.86	0.55	19.795	0.014	AB
SDSS_r	53.92	2.09	19.571	0.042	AB
PanSTARRS_r	55.15	0.52	19.546	0.010	AB
SDSS_i	66.29	2.47	19.346	0.040	AB
PanSTARRS_i	63.08	0.65	19.400	0.011	AB
PanSTARRS_z	68.15	1.37	19.316	0.022	AB
SDSS_z	66.17	4.98	19.348	0.082	AB
PanSTARRS_y	81.17	3.26	19.127	0.044	AB

Aperture details

RA, DEC (J2000) = 13h35m19.86s, 64d57m46.38s
semi major axis, semi minor axis (arcsec) = 24.75, 13.68
angle (degrees, anti-clockwise from east) = -17.07

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	563.88	15.22	17.022	0.029	AB
SDSS_g	1469.69	11.28	15.982	0.008	AB
PanSTARRS_g	1494.83	4.88	15.964	0.004	AB
SDSS_r	1950.4	14.2	15.675	0.008	AB
PanSTARRS_r	2027.42	4.66	15.633	0.002	AB
SDSS_i	2487.27	17.8	15.411	0.008	AB
PanSTARRS_i	2437.53	5.99	15.433	0.003	AB
PanSTARRS_z	2572.01	12.68	15.374	0.005	AB
SDSS_z	2734.92	44.53	15.308	0.018	AB
PanSTARRS_y	3006.26	30.44	15.205	0.011	AB
2MASS_J	2286.6	458.5	14.607	0.218	Vega
2MASS_H	2466.99	745.56	14.052	0.328	Vega
2MASS_K	3334.2	726.16	13.255	0.236	Vega
WISE_W1	1760.22	25.0	13.087	0.015	Vega
WISE_W2	1182.37	29.86	12.879	0.027	Vega
WISE_W3	4874.46	141.92	9.506	0.032	Vega
WISE_W4	4897.55	802.35	8.055	0.178	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})\,	8.198	8.461	8.614
{\rm log}_{10}({\rm SFR})	-1.935	-1.004	-0.239
{\rm log}_{10}({\rm sSFR})	-10.473	-9.506	-8.548
{\rm stellar\ age}	0.387	2.852	5.807

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.253	-0.578	-0.094
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.616	-0.800	0.013

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.138	0.388	0.735
\delta	-0.672	-0.196	0.147
\tau_1/\tau_2	0.634	1.007	1.407
Q_{PAH}	0.925	2.725	5.057
U_{min}	3.455	9.161	16.902
{\rm log}_{10}(\gamma_e)\,	-2.943	-1.736	-0.513

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.446	-0.865	-0.292
{\rm log}_{10}(\tau_{AGN})\,	1.134	1.587	2.004

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.703	-1.550	-1.031
0.03-0.10 Gyr	-2.167	-0.925	-0.093
0.10-0.33 Gyr	-1.382	-0.624	-0.140
0.33-1.08 Gyr	-3.169	-1.159	-0.696
1.08-3.57 Gyr	-4.202	-1.760	-1.170
3.57-11.76 Gyr	-5.078	-2.136	-1.443
11.76-13.07 Gyr	-5.107	-2.130	-1.259

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.953	10.122	10.232
{\rm log}_{10}({\rm SFR})	-0.134	0.458	0.964
{\rm log}_{10}({\rm sSFR})	-10.333	-9.664	-9.020
{\rm stellar\ age}	2.298	4.727	6.313

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.906	-0.542	-0.298
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.150	0.175	0.380

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.104	0.209	0.393
\delta	-0.720	-0.347	0.112
\tau_1/\tau_2	0.612	0.955	1.301
Q_{PAH}	0.825	1.900	4.237
U_{min}	2.737	7.156	13.546
{\rm log}_{10}(\gamma_e)\,	-3.317	-2.402	-1.534

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.251	-1.893	-1.633
{\rm log}_{10}(\tau_{AGN})\,	0.824	1.114	1.516

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.302	0.096	0.344
0.03-0.10 Gyr	-0.258	0.547	1.104
0.10-0.33 Gyr	-0.094	0.650	1.051
0.33-1.08 Gyr	-0.084	0.485	0.776
1.08-3.57 Gyr	-0.236	0.318	0.650
3.57-11.76 Gyr	-1.003	-0.039	0.260
11.76-13.07 Gyr	-1.369	-0.119	0.417