2025qep

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Information

Transient

Name: AT2025qep
Right ascension: 17h48m25.67s
Declination: 76d35m51.15s
Discovery Date: June 21, 2025, 11:24 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.043

Host

Name:
Right ascension: 17h48m25.77s
Declination: 76d35m52.95s
Redshift: 0.080591
Photometric Redshift: 0.073

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	16.38
Transient MWEBV	processed	0.08
Host match	processed	5.53
Host information	processed	0.15
Host MWEBV	processed	0.03
Global aperture construction	processed	0.65
Global aperture photometry	processed	3.86
Validate global photometry	processed	9.16
Global host SED inference	processed	472.88
Local aperture photometry	processed	3.77
Validate local photometry	processed	0.02
Local host SED inference	processed	508.26

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) = 17h48m25.67s, 76d35m51.15s
semi major axis, semi minor axis (arcsec) = 1.32, 1.32
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	109.78	0.48	18.799	0.005	AB
PanSTARRS_r	221.51	0.53	18.037	0.003	AB
PanSTARRS_i	319.53	0.57	17.639	0.002	AB
PanSTARRS_z	398.01	1.28	17.400	0.003	AB
PanSTARRS_y	451.88	2.83	17.262	0.007	AB

Aperture details

RA, DEC (J2000) = 17h48m25.69s, 76d35m52.89s
semi major axis, semi minor axis (arcsec) = 9.09, 6.06
angle (degrees, anti-clockwise from east) = -141.35

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	844.96	2.41	16.583	0.003	AB
PanSTARRS_r	1723.13	2.69	15.809	0.002	AB
PanSTARRS_i	2502.7	2.97	15.404	0.001	AB
PanSTARRS_z	3071.24	6.86	15.182	0.002	AB
PanSTARRS_y	3657.1	15.7	14.992	0.005	AB
2MASS_J	4934.88	184.98	13.772	0.041	Vega
2MASS_H	5854.3	304.39	13.114	0.056	Vega
2MASS_K	5719.2	331.34	12.669	0.063	Vega
WISE_W1	2586.17	17.16	12.669	0.007	Vega
WISE_W2	1564.01	18.85	12.575	0.013	Vega
WISE_W4	560.7	324.06	10.408	0.627	Vega

Imaging data

Click the image to load the interactive plot.

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})\,	10.089	10.208	10.325
{\rm log}_{10}({\rm SFR})	-1.910	-0.892	-0.215
{\rm log}_{10}({\rm sSFR})	-12.137	-11.108	-10.436
{\rm stellar\ age}	6.746	7.963	11.518

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.475	-0.946	-0.621
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.687	-0.810	0.110

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.328	0.618	0.981
\delta	-0.618	-0.216	0.217
\tau_1/\tau_2	0.600	0.992	1.386
Q_{PAH}	0.736	2.386	4.996
U_{min}	2.662	8.072	15.649
{\rm log}_{10}(\gamma_e)\,	-3.159	-2.036	-0.678

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.278	-1.463	-0.471
{\rm log}_{10}(\tau_{AGN})\,	0.990	1.401	1.908

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.808	-1.314	-0.660
0.03-0.10 Gyr	-2.238	-0.879	-0.100
0.10-0.33 Gyr	-2.476	-0.885	-0.096
0.33-1.07 Gyr	-2.844	-0.866	-0.110
1.07-3.49 Gyr	-2.388	-0.453	0.235
3.49-11.43 Gyr	-0.757	0.268	0.481
11.43-12.69 Gyr	-0.155	0.628	1.395

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.973	11.074	11.204
{\rm log}_{10}({\rm SFR})	-1.692	-0.438	0.722
{\rm log}_{10}({\rm sSFR})	-12.759	-11.460	-10.361
{\rm stellar\ age}	7.145	8.244	11.873

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.081	-0.623	-0.368
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.567	-0.478	0.246

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.241	0.385	0.593
\delta	-0.785	-0.316	0.090
\tau_1/\tau_2	0.550	0.986	1.446
Q_{PAH}	0.476	2.335	5.305
U_{min}	2.423	8.019	16.026
{\rm log}_{10}(\gamma_e)\,	-3.128	-2.027	-0.908

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.240	-3.223	-2.185
{\rm log}_{10}(\tau_{AGN})\,	1.068	1.563	1.940

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.595	-0.507	0.340
0.03-0.10 Gyr	-3.000	-0.529	0.822
0.10-0.33 Gyr	-3.549	-0.694	0.598
0.33-1.07 Gyr	-3.625	-0.721	0.425
1.07-3.49 Gyr	-2.457	0.006	0.944
3.49-11.43 Gyr	-0.427	1.122	1.348
11.43-12.69 Gyr	0.546	1.569	2.336