2025sff

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Information

Transient

Name: AT2025sff
Right ascension: 16h16m45.94s
Declination: 64d57m47.71s
Discovery Date: July 21, 2025, 6:22 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.020

Host

Name:
Right ascension: 16h16m45.85s
Declination: 64d57m48.59s
Redshift: 0.086838
Photometric Redshift: 0.095

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	26.59
Transient MWEBV	processed	0.15
Host match	processed	5.76
Host information	processed	0.17
Host MWEBV	processed	0.08
Global aperture construction	processed	0.64
Global aperture photometry	processed	3.56
Validate global photometry	processed	10.64
Global host SED inference	processed	550.6
Local aperture photometry	processed	4.06
Validate local photometry	processed	0.02
Local host SED inference	processed	502.62

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) = 16h16m45.94s, 64d57m47.71s
semi major axis, semi minor axis (arcsec) = 1.23, 1.23
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_r	212.97	0.5	18.079	0.003	AB
PanSTARRS_i	293.96	0.53	17.729	0.002	AB
PanSTARRS_z	400.3	1.07	17.394	0.003	AB
PanSTARRS_y	472.11	2.54	17.215	0.006	AB

Aperture details

RA, DEC (J2000) = 16h16m45.84s, 64d57m48.77s
semi major axis, semi minor axis (arcsec) = 10.64, 9.46
angle (degrees, anti-clockwise from east) = -166.94

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	7.28	2.71	21.745	0.404	AB
GALEX_NUV	7.96	3.08	21.648	0.420	AB
PanSTARRS_g	789.12	2.9	16.657	0.004	AB
PanSTARRS_r	1709.53	3.32	15.818	0.002	AB
PanSTARRS_i	2414.26	3.77	15.443	0.002	AB
PanSTARRS_z	3201.44	7.88	15.137	0.003	AB
PanSTARRS_y	3883.22	20.23	14.927	0.006	AB
2MASS_J	4451.14	238.25	13.884	0.058	Vega
2MASS_H	6091.17	349.17	13.071	0.062	Vega
2MASS_K	4963.6	399.9	12.823	0.087	Vega
WISE_W1	2333.46	17.42	12.781	0.008	Vega
WISE_W2	1415.53	19.99	12.684	0.015	Vega
WISE_W3	293.67	67.94	12.556	0.251	Vega
WISE_W4	-20.52	283.44			Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.057	10.221	10.337
{\rm log}_{10}({\rm SFR})	-1.526	-0.427	0.346
{\rm log}_{10}({\rm sSFR})	-11.755	-10.657	-9.795
{\rm stellar\ age}	4.849	7.421	9.965

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.697	-0.216	0.030
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.471	-0.646	0.129

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.175	0.550	1.203
\delta	-0.635	-0.252	0.225
\tau_1/\tau_2	0.651	1.031	1.395
Q_{PAH}	0.679	2.422	5.040
U_{min}	3.089	8.614	15.752
{\rm log}_{10}(\gamma_e)\,	-3.250	-2.206	-0.839

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.340	-0.998	-0.105
{\rm log}_{10}(\tau_{AGN})\,	1.041	1.537	1.997

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.515	-1.239	-0.501
0.03-0.10 Gyr	-1.563	-0.338	0.480
0.10-0.33 Gyr	-1.485	-0.241	0.422
0.33-1.07 Gyr	-1.822	-0.347	0.362
1.07-3.48 Gyr	-1.831	-0.224	0.348
3.48-11.35 Gyr	-0.819	0.272	0.499
11.35-12.62 Gyr	-0.500	0.457	1.239

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	11.101	11.178	11.256
{\rm log}_{10}({\rm SFR})	-4.288	-1.760	-0.355
{\rm log}_{10}({\rm sSFR})	-15.359	-12.877	-11.444
{\rm stellar\ age}	7.506	10.357	11.971

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.641	-0.487	-0.376
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.497	-0.665	0.136

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.098	0.196	0.339
\delta	-0.909	-0.680	-0.339
\tau_1/\tau_2	0.571	1.002	1.414
Q_{PAH}	0.505	1.531	3.660
U_{min}	2.943	8.680	16.944
{\rm log}_{10}(\gamma_e)\,	-2.968	-1.692	-0.721

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.404	-3.481	-2.570
{\rm log}_{10}(\tau_{AGN})\,	1.056	1.522	1.920

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-5.655	-2.299	-0.962
0.03-0.10 Gyr	-5.108	-1.783	-0.261
0.10-0.33 Gyr	-5.335	-1.895	-0.235
0.33-1.07 Gyr	-5.099	-1.991	-0.324
1.07-3.48 Gyr	-3.394	-1.216	0.385
3.48-11.35 Gyr	-1.247	0.986	1.411
11.35-12.62 Gyr	0.976	2.151	2.402