2025iyb

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Information

Transient

Name: AT2025iyb
Right ascension: 19h24m23.50s
Declination: -6d00m24.62s
Discovery Date: April 30, 2025, 10:05 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.293

Host

Name: 2025iyb
Right ascension: 19h24m23.48s
Declination: -6d00m24.56s
Redshift: 0.049030
Photometric Redshift: 0.090

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	15.48
Transient MWEBV	processed	0.09
Host match	processed	13.04
Host information	processed	0.09
Host MWEBV	processed	0.1
Global aperture construction	processed	0.68
Global aperture photometry	processed	5.62
Validate global photometry	processed	14.84
Global host SED inference	processed	476.23
Local aperture photometry	processed	5.58
Validate local photometry	processed	0.02
Local host SED inference	processed	569.6

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) = 19h24m23.50s, -6d00m24.62s
semi major axis, semi minor axis (arcsec) = 2.09, 2.09
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	6.81	2.28	21.818	0.364	AB
SDSS_g	77.72	2.4	19.174	0.034	AB
PanSTARRS_g	92.13	0.62	18.989	0.007	AB
SDSS_r	242.88	4.2	17.937	0.019	AB
PanSTARRS_r	239.45	0.79	17.952	0.004	AB
SDSS_i	420.04	5.68	17.342	0.015	AB
PanSTARRS_i	417.2	1.12	17.349	0.003	AB
PanSTARRS_z	579.99	2.31	16.991	0.004	AB
SDSS_z	648.13	10.66	16.871	0.018	AB
PanSTARRS_y	715.61	4.37	16.763	0.007	AB

Aperture details

RA, DEC (J2000) = 19h24m23.40s, -6d00m22.63s
semi major axis, semi minor axis (arcsec) = 9.68, 3.43
angle (degrees, anti-clockwise from east) = -30.86

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	2.62	3.15	22.856	1.309	AB
GALEX_NUV	1.32	2.36	23.600	1.943	AB
SDSS_u	27.88	6.33	20.287	0.247	AB
SDSS_g	286.01	4.85	17.759	0.018	AB
PanSTARRS_g	324.69	1.66	17.621	0.006	AB
PanSTARRS_r	726.89	2.07	16.746	0.003	AB
SDSS_i	1125.68	10.32	16.271	0.010	AB
PanSTARRS_i	1139.21	2.96	16.258	0.003	AB
SDSS_z	1618.71	25.37	15.877	0.017	AB
WISE_W1	1036.99	78.05	13.662	0.082	Vega
WISE_W2	562.61	51.81	13.685	0.100	Vega
WISE_W3	279.26	103.95	12.611	0.404	Vega
WISE_W4	111.17	478.82	12.165	4.676	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})\,	9.956	10.059	10.187
{\rm log}_{10}({\rm SFR})	-2.636	-1.099	-0.176
{\rm log}_{10}({\rm sSFR})	-12.840	-11.147	-10.250
{\rm stellar\ age}	6.897	8.078	11.724

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.513	-0.925	-0.568
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.689	-0.787	0.108

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.386	0.700	1.087
\delta	-0.732	-0.422	-0.028
\tau_1/\tau_2	0.565	0.972	1.352
Q_{PAH}	0.507	2.061	4.972
U_{min}	2.773	8.074	15.813
{\rm log}_{10}(\gamma_e)\,	-3.356	-1.992	-0.624

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.804	-1.460	-0.669
{\rm log}_{10}(\tau_{AGN})\,	1.024	1.375	1.898

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.237	-1.411	-0.614
0.03-0.10 Gyr	-3.146	-1.094	-0.081
0.10-0.33 Gyr	-2.990	-1.027	-0.206
0.33-1.09 Gyr	-3.081	-0.970	-0.229
1.09-3.58 Gyr	-2.497	-0.540	0.083
3.58-11.79 Gyr	-0.906	0.127	0.322
11.79-13.10 Gyr	-0.366	0.433	1.249

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.168	10.320	10.399
{\rm log}_{10}({\rm SFR})	-2.703	-1.063	-0.447
{\rm log}_{10}({\rm sSFR})	-12.924	-11.357	-10.762
{\rm stellar\ age}	4.866	7.460	9.637

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.621	-1.360	-1.144
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.331	-0.731	-0.211

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.284	0.381	0.506
\delta	-0.940	-0.809	-0.606
\tau_1/\tau_2	0.417	0.817	1.244
Q_{PAH}	0.547	1.455	2.936
U_{min}	2.590	8.076	15.844
{\rm log}_{10}(\gamma_e)\,	-3.226	-2.022	-1.275

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.529	-3.741	-2.795
{\rm log}_{10}(\tau_{AGN})\,	1.056	1.572	1.944

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.433	-1.153	-0.530
0.03-0.10 Gyr	-3.384	-1.204	-0.402
0.10-0.33 Gyr	-3.179	-0.930	-0.138
0.33-1.09 Gyr	-2.142	-0.352	0.287
1.09-3.58 Gyr	-0.857	0.231	0.701
3.58-11.79 Gyr	-0.811	0.390	0.592
11.79-13.10 Gyr	-1.068	0.436	1.246