2025ism

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Information

Transient

Name: AT2025ism
Right ascension: 16h50m31.81s
Declination: 59d12m24.93s
Discovery Date: April 29, 2025, 7:46 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.014

Host

Name: 2025ism
Right ascension: 16h50m34.49s
Declination: 59d12m39.05s
Redshift: None
Photometric Redshift: 0.079

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	4.12
Transient MWEBV	processed	0.04
Host match	processed	3.28
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.64
Global aperture photometry	processed	4.01
Validate global photometry	processed	11.31
Global host SED inference	processed	381.8
Local aperture photometry	processed	3.97
Validate local photometry	processed	0.02
Local host SED inference	failed	627.09

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) = 16h50m31.81s, 59d12m24.93s
semi major axis, semi minor axis (arcsec) = 1.34, 1.34
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	1.44	0.31	23.508	0.233	AB
PanSTARRS_r	2.19	0.34	23.050	0.170	AB
PanSTARRS_i	1.6	0.39	23.390	0.266	AB
PanSTARRS_z	1.55	0.97	23.424	0.679	AB
PanSTARRS_y	2.39	2.23	22.954	1.011	AB

Aperture details

RA, DEC (J2000) = 16h50m34.49s, 59d12m39.24s
semi major axis, semi minor axis (arcsec) = 8.09, 5.53
angle (degrees, anti-clockwise from east) = -153.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	45.49	4.43	19.755	0.106	AB
GALEX_NUV	70.14	3.21	19.285	0.050	AB
PanSTARRS_g	497.31	1.68	17.158	0.004	AB
PanSTARRS_r	749.17	1.79	16.714	0.003	AB
PanSTARRS_i	990.86	2.01	16.410	0.002	AB
PanSTARRS_z	1108.49	4.92	16.288	0.005	AB
PanSTARRS_y	1216.55	11.51	16.187	0.010	AB
2MASS_J	1245.93	159.38	15.266	0.139	Vega
2MASS_H	1618.74	240.55	14.509	0.161	Vega
2MASS_K	1325.4	273.96	14.256	0.224	Vega
WISE_W1	751.86	17.32	14.011	0.025	Vega
WISE_W2	483.71	13.94	13.850	0.031	Vega
WISE_W3	2209.64	42.17	10.365	0.021	Vega
WISE_W4	2363.22	273.21	8.846	0.126	Vega

Imaging data

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Spectral Energy Distribution

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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})\,	10.222	10.315	10.417
{\rm log}_{10}({\rm SFR})	0.062	0.446	0.783
{\rm log}_{10}({\rm sSFR})	-10.290	-9.886	-9.524
{\rm stellar\ age}	5.232	6.522	7.693

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.973	-0.673	-0.465
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.648	-0.494	0.259

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.158	0.276	0.469
\delta	-0.637	-0.286	0.030
\tau_1/\tau_2	0.725	1.066	1.409
Q_{PAH}	1.005	2.434	4.320
U_{min}	2.298	7.053	14.168
{\rm log}_{10}(\gamma_e)\,	-3.139	-1.932	-1.155

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.771	-2.527	-1.675
{\rm log}_{10}(\tau_{AGN})\,	1.089	1.574	1.952

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.633	-0.133	0.098
0.03-0.10 Gyr	0.107	0.571	0.930
0.10-0.33 Gyr	0.199	0.578	0.914
0.33-1.07 Gyr	-0.120	0.315	0.581
1.07-3.50 Gyr	-0.033	0.333	0.562
3.50-11.44 Gyr	0.128	0.400	0.557
11.44-12.71 Gyr	-0.105	0.438	0.916