2025yn

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Information

Transient

Name: AT2025yn
Right ascension: 2h04m18.71s
Declination: -8d44m27.50s
Discovery Date: Jan. 21, 2025, 6:37 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.021

Host

Name: 2025yn
Right ascension: 2h04m18.98s
Declination: -8d44m07.08s
Redshift: 0.017812
Photometric Redshift: 0.025

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	0.9
Cutout download	processed	17.82
Global aperture construction	processed	0.59
Local aperture photometry	processed	5.41
Global aperture photometry	processed	5.55
Validate local photometry	processed	0.02
Validate global photometry	processed	16.09
Host information	processed	0.08
Global host SED inference	processed	405.28
Local host SED inference	processed	427.25
Transient information	processed	0.0
Transient MWEBV	processed	0.09
Host MWEBV	processed	0.14
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) = 2h04m18.71s, -8d44m27.50s
semi major axis, semi minor axis (arcsec) = 5.53, 5.53
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	4.52	0.36	22.261	0.086	AB
SDSS_u	23.48	5.28	20.473	0.244	AB
SDSS_g	152.68	3.68	18.441	0.026	AB
DES_g	165.85	0.61	18.351	0.004	AB
PanSTARRS_g	160.39	1.54	18.387	0.010	AB
SDSS_r	289.79	5.56	17.745	0.021	AB
PanSTARRS_r	311.4	2.19	17.667	0.008	AB
DES_r	343.64	0.99	17.560	0.003	AB
SDSS_i	422.67	7.67	17.335	0.020	AB
PanSTARRS_i	433.88	1.59	17.307	0.004	AB
PanSTARRS_z	489.85	4.23	17.175	0.009	AB
SDSS_z	431.79	21.87	17.312	0.055	AB
DES_z	570.22	3.15	17.010	0.006	AB
PanSTARRS_y	625.95	12.29	16.909	0.021	AB
2MASS_J	850.78	124.12	15.681	0.158	Vega
2MASS_H	752.26	189.28	15.341	0.273	Vega
2MASS_K	1009.33	225.21	14.552	0.242	Vega

Aperture details

RA, DEC (J2000) = 2h04m18.96s, -8d44m06.98s
semi major axis, semi minor axis (arcsec) = 21.52, 15.59
angle (degrees, anti-clockwise from east) = -3.64

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	93.3	1.55	18.975	0.018	AB
SDSS_u	1206.99	19.22	16.196	0.017	AB
SDSS_g	7033.84	22.6	14.282	0.003	AB
DES_g	7459.04	3.14	14.218	0.000	AB
PanSTARRS_g	7763.56	5.44	14.175	0.001	AB
SDSS_r	14309.49	33.15	13.511	0.003	AB
PanSTARRS_r	14281.37	7.71	13.513	0.001	AB
DES_r	15702.06	5.45	13.410	0.000	AB
SDSS_i	20520.16	41.67	13.120	0.002	AB
PanSTARRS_i	20487.39	5.64	13.121	0.000	AB
PanSTARRS_z	25338.02	14.09	12.891	0.001	AB
SDSS_z	25720.38	82.54	12.874	0.003	AB
DES_z	27002.56	19.36	12.821	0.001	AB
PanSTARRS_y	29963.94	39.59	12.709	0.001	AB
2MASS_J	39760.44	450.88	11.506	0.012	Vega
2MASS_H	47812.09	681.94	10.834	0.015	Vega
2MASS_K	39551.93	813.71	10.569	0.022	Vega
WISE_W1	19742.73	81.26	10.462	0.004	Vega
WISE_W2	10771.67	94.22	10.480	0.009	Vega
WISE_W3	6152.7	255.18	9.253	0.045	Vega
WISE_W4	4468.1	1174.32	8.155	0.285	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})\,	8.770	8.895	9.008
{\rm log}_{10}({\rm SFR})	-1.673	-1.366	-1.041
{\rm log}_{10}({\rm sSFR})	-10.618	-10.267	-9.883
{\rm stellar\ age}	5.091	7.203	8.785

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.853	-1.612	-1.195
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.387	-0.291	0.091

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.802	1.025	1.291
\delta	-0.508	-0.361	-0.189
\tau_1/\tau_2	0.588	0.890	1.192
Q_{PAH}	0.225	1.068	2.810
U_{min}	2.487	7.373	14.575
{\rm log}_{10}(\gamma_e)\,	-3.556	-2.501	-1.497

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.254	-2.314	-1.042
{\rm log}_{10}(\tau_{AGN})\,	0.853	1.224	1.712

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.467	-1.201	-0.905
0.03-0.10 Gyr	-2.178	-1.492	-1.073
0.10-0.33 Gyr	-2.226	-1.528	-1.007
0.33-1.10 Gyr	-2.098	-1.317	-0.811
1.10-3.66 Gyr	-1.787	-1.106	-0.825
3.66-12.17 Gyr	-1.505	-1.050	-0.839
12.17-13.52 Gyr	-1.675	-1.015	-0.451

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.352	10.494	10.621
{\rm log}_{10}({\rm SFR})	-2.980	-1.615	-1.016
{\rm log}_{10}({\rm sSFR})	-13.420	-12.180	-11.517
{\rm stellar\ age}	3.718	6.635	8.639

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.342	-0.241	-0.150
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.599	-0.944	-0.084

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.186	0.378	0.498
\delta	-0.781	-0.623	-0.330
\tau_1/\tau_2	0.386	0.745	1.150
Q_{PAH}	0.159	0.486	1.244
U_{min}	2.272	6.512	13.327
{\rm log}_{10}(\gamma_e)\,	-3.709	-3.245	-2.415

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.603	-3.939	-3.112
{\rm log}_{10}(\tau_{AGN})\,	1.019	1.532	1.920

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.299	-1.556	-0.959
0.03-0.10 Gyr	-3.575	-1.804	-1.058
0.10-0.33 Gyr	-3.066	-1.646	-0.815
0.33-1.10 Gyr	-1.038	0.136	0.617
1.10-3.66 Gyr	0.092	0.725	1.010
3.66-12.17 Gyr	-0.331	0.498	0.745
12.17-13.52 Gyr	-0.570	0.473	1.127