2025obk

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Information

Transient

Name: AT2025obk
Right ascension: 20h50m28.79s
Declination: 3d41m14.04s
Discovery Date: June 17, 2025, 10:36 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.090

Host

Name:
Right ascension: 20h50m28.81s
Declination: 3d41m14.24s
Redshift: None
Photometric Redshift: 0.133

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	7.68
Cutout download	processed	19.16
Global aperture construction	processed	2.87
Local aperture photometry	processed	7.19
Global aperture photometry	processed	6.55
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	17.26
Host information	processed	0.17
Global host SED inference	processed	510.12
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.04
Processing status	blocked	N/A	N/A

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) = 20h50m28.79s, 3d41m14.04s
semi major axis, semi minor axis (arcsec) = 0.85, 0.85
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) = 20h50m28.79s, 3d41m14.61s
semi major axis, semi minor axis (arcsec) = 7.26, 2.96
angle (degrees, anti-clockwise from east) = -139.97

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	21.57	3.79	20.565	0.191	AB
SDSS_g	18.41	2.07	20.738	0.122	AB
DES_g	18.89	0.33	20.709	0.019	AB
PanSTARRS_g	21.37	1.14	20.576	0.058	AB
SDSS_r	29.22	2.62	20.236	0.097	AB
PanSTARRS_r	26.79	1.28	20.330	0.052	AB
DES_r	29.64	0.7	20.220	0.026	AB
SDSS_i	35.02	4.29	20.039	0.133	AB
PanSTARRS_i	37.37	1.15	19.969	0.033	AB
PanSTARRS_z	33.67	3.53	20.082	0.114	AB
SDSS_z	-28.83	11.92			AB
DES_z	36.49	1.72	19.995	0.051	AB
PanSTARRS_y	24.64	7.75	20.421	0.342	AB
2MASS_J	20.87	140.76	19.706	7.322	Vega
2MASS_H	174.67	218.32	16.927	1.357	Vega
2MASS_K	-48.46	215.51			Vega
WISE_W1	89.78	14.87	16.318	0.180	Vega
WISE_W2	80.2	22.05	15.801	0.298	Vega
WISE_W3	20.86	68.14	15.428	3.547	Vega
WISE_W4	-355.82	366.07			Vega

Imaging data

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})\,	8.653	9.094	9.331
{\rm log}_{10}({\rm SFR})	0.211	0.651	1.026
{\rm log}_{10}({\rm sSFR})	-8.935	-8.307	-7.923
{\rm stellar\ age}	0.090	2.257	5.899

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.758	-1.308	-0.449
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.667	-1.213	-0.092

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.338	0.797	1.135
\delta	-0.235	0.045	0.224
\tau_1/\tau_2	0.564	1.179	1.631
Q_{PAH}	1.710	3.388	5.395
U_{min}	3.407	9.965	18.088
{\rm log}_{10}(\gamma_e)\,	-3.237	-1.833	-0.801

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.879	-1.294	-0.605
{\rm log}_{10}(\tau_{AGN})\,	0.908	1.332	1.834

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.394	-0.027	0.282
0.03-0.10 Gyr	0.305	0.780	1.171
0.10-0.32 Gyr	-3.004	-1.089	0.188
0.32-1.04 Gyr	-5.306	-2.127	-0.604
1.04-3.36 Gyr	-5.623	-1.998	-0.728
3.36-10.85 Gyr	-5.532	-1.864	-0.779
10.85-12.06 Gyr	-5.473	-1.741	-0.380