2025ywv

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Information

Transient

Name: AT2025ywv
Right ascension: 2h49m33.89s
Declination: -0d35m19.16s
Discovery Date: Sept. 27, 2025, 11:43 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name: 1139667
Right ascension: 2h49m33.95s
Declination: -0d35m19.11s
Redshift: 0.043852
Photometric Redshift:

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	3.89
Cutout download	processed	17.86
Global aperture construction	processed	0.67
Local aperture photometry	processed	5.71
Global aperture photometry	processed	5.82
Validate local photometry	processed	0.03
Validate global photometry	processed	15.21
Host information	processed	0.04
Global host SED inference	processed	534.12
Local host SED inference	processed	589.93
Transient information	processed	0.0
Transient MWEBV	processed	0.06
Host MWEBV	processed	0.04
Processing status	completed	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) = 2h49m33.89s, -0d35m19.16s
semi major axis, semi minor axis (arcsec) = 2.32, 2.32
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	78.29	2.95	19.166	0.041	AB
SDSS_g	495.95	5.81	17.161	0.013	AB
PanSTARRS_g	553.01	0.74	17.043	0.001	AB
SDSS_r	1050.74	8.49	16.346	0.009	AB
PanSTARRS_r	1196.45	0.95	16.205	0.001	AB
DES_r	1244.97	4.29	16.162	0.004	AB
SDSS_i	1552.23	10.4	15.923	0.007	AB
PanSTARRS_i	1739.68	1.05	15.799	0.001	AB
PanSTARRS_z	2159.2	2.31	15.564	0.001	AB
SDSS_z	2126.18	13.99	15.581	0.007	AB
DES_z	2467.47	5.16	15.419	0.002	AB
PanSTARRS_y	2668.28	3.87	15.334	0.002	AB

Aperture details

RA, DEC (J2000) = 2h49m33.90s, -0d35m18.48s
semi major axis, semi minor axis (arcsec) = 11.24, 8.28
angle (degrees, anti-clockwise from east) = -10.82

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	2.22	0.6	23.033	0.294	AB
GALEX_NUV	8.54	0.54	21.571	0.069	AB
SDSS_u	240.81	8.98	17.946	0.040	AB
SDSS_g	1186.84	9.33	16.214	0.009	AB
PanSTARRS_g	1316.13	2.35	16.102	0.002	AB
PanSTARRS_r	2710.95	2.89	15.317	0.001	AB
DES_r	2820.34	6.5	15.274	0.003	AB
SDSS_i	3850.71	17.94	14.936	0.005	AB
PanSTARRS_i	3870.88	3.21	14.930	0.001	AB
PanSTARRS_z	4845.03	8.5	14.687	0.002	AB
SDSS_z	5059.25	35.39	14.640	0.008	AB
DES_z	5185.96	7.71	14.613	0.002	AB
PanSTARRS_y	6194.59	15.49	14.420	0.003	AB
2MASS_J	7426.16	241.61	13.328	0.035	Vega
2MASS_H	8376.4	395.89	12.725	0.051	Vega
2MASS_K	7034.49	462.92	12.444	0.071	Vega
WISE_W1	3319.93	27.06	12.398	0.009	Vega
WISE_W2	1788.29	33.16	12.430	0.020	Vega
WISE_W3	310.32	116.47	12.496	0.407	Vega
WISE_W4	623.09	423.6	10.294	0.738	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.092	10.279	10.398
{\rm log}_{10}({\rm SFR})	-0.990	-0.109	0.408
{\rm log}_{10}({\rm sSFR})	-11.342	-10.439	-9.763
{\rm stellar\ age}	4.007	7.191	9.081

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.213	-0.723	-0.275
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.277	-0.289	0.067

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.472	0.785	1.179
\delta	-0.889	-0.691	-0.484
\tau_1/\tau_2	0.575	0.928	1.296
Q_{PAH}	0.584	2.446	4.853
U_{min}	2.711	7.410	14.279
{\rm log}_{10}(\gamma_e)\,	-3.445	-1.882	-0.843

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.230	-1.837	-0.482
{\rm log}_{10}(\tau_{AGN})\,	0.858	1.611	1.952

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.682	0.065	0.472
0.03-0.10 Gyr	-1.841	-0.374	0.374
0.10-0.33 Gyr	-1.699	-0.281	0.547
0.33-1.09 Gyr	-1.228	-0.074	0.506
1.09-3.59 Gyr	-0.905	0.172	0.523
3.59-11.85 Gyr	-0.524	0.308	0.540
11.85-13.17 Gyr	-0.502	0.404	1.090

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.691	10.809	10.850
{\rm log}_{10}({\rm SFR})	-3.456	-1.909	-1.146
{\rm log}_{10}({\rm sSFR})	-14.371	-12.721	-11.894
{\rm stellar\ age}	7.994	12.062	12.502

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.946	-0.740	-0.603
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.175	-0.270	0.224

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.191	0.279	0.420
\delta	-0.890	-0.682	-0.447
\tau_1/\tau_2	0.546	0.978	1.414
Q_{PAH}	1.118	3.296	5.419
U_{min}	3.302	9.717	17.634
{\rm log}_{10}(\gamma_e)\,	-2.175	-1.157	-0.317

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.575	-3.765	-2.771
{\rm log}_{10}(\tau_{AGN})\,	1.199	1.727	2.023

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-4.821	-2.190	-1.252
0.03-0.10 Gyr	-4.528	-2.101	-1.116
0.10-0.33 Gyr	-4.666	-2.138	-1.006
0.33-1.09 Gyr	-4.729	-2.133	-0.776
1.09-3.59 Gyr	-3.944	-1.779	-0.193
3.59-11.85 Gyr	-2.018	0.030	0.954
11.85-13.17 Gyr	0.742	1.915	1.983