2025aapb

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Information

Transient

Name: AT2025aapb
Right ascension: 7h52m21.23s
Declination: 41d13m14.94s
Discovery Date: Oct. 16, 2025, 10:32 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.043

Host

Name: 2177573
Right ascension: 7h52m21.29s
Declination: 41d13m15.77s
Redshift: None
Photometric Redshift: 0.083

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	16.39
Transient MWEBV	processed	0.04
Host match	processed	4.88
Host information	processed	0.06
Host MWEBV	processed	0.05
Global aperture construction	processed	0.66
Global aperture photometry	processed	4.46
Validate global photometry	processed	10.85
Global host SED inference	processed	385.97
Local aperture photometry	processed	4.24
Validate local photometry	processed	0.02
Local host SED inference	processed	442.98

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) = 7h52m21.23s, 41d13m14.94s
semi major axis, semi minor axis (arcsec) = 1.28, 1.28
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_r	73.24	0.4	19.238	0.006	AB
PanSTARRS_i	108.03	0.37	18.816	0.004	AB
PanSTARRS_z	129.54	0.89	18.619	0.007	AB
PanSTARRS_y	148.79	2.47	18.469	0.018	AB

Aperture details

RA, DEC (J2000) = 7h52m21.30s, 41d13m16.15s
semi major axis, semi minor axis (arcsec) = 12.44, 5.08
angle (degrees, anti-clockwise from east) = -155.6

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	27.0	3.76	20.321	0.151	AB
GALEX_NUV	37.03	2.81	19.979	0.082	AB
PanSTARRS_g	341.02	1.65	17.568	0.005	AB
PanSTARRS_r	544.35	2.29	17.060	0.005	AB
PanSTARRS_i	761.54	2.14	16.696	0.003	AB
PanSTARRS_z	890.08	5.31	16.526	0.006	AB
PanSTARRS_y	1023.57	15.15	16.375	0.016	AB
2MASS_J	1360.82	187.36	15.171	0.149	Vega
2MASS_H	2278.73	294.0	14.138	0.140	Vega
2MASS_K	2222.47	327.95	13.695	0.160	Vega
WISE_W1	710.18	19.28	14.073	0.029	Vega
WISE_W2	466.44	21.55	13.889	0.050	Vega
WISE_W3	1732.83	98.56	10.629	0.062	Vega
WISE_W4	1865.18	608.51	9.103	0.354	Vega

Imaging data

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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})\,	9.492	9.671	9.813
{\rm log}_{10}({\rm SFR})	-1.395	-0.774	0.019
{\rm log}_{10}({\rm sSFR})	-11.091	-10.459	-9.574
{\rm stellar\ age}	5.423	7.299	10.023

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.386	-0.765	-0.299
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.499	-0.672	0.151

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.352	0.677	1.002
\delta	-0.628	-0.281	0.125
\tau_1/\tau_2	0.635	1.008	1.375
Q_{PAH}	0.815	2.656	5.140
U_{min}	3.087	8.410	15.764
{\rm log}_{10}(\gamma_e)\,	-3.035	-1.975	-0.709

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.168	-1.415	-0.475
{\rm log}_{10}(\tau_{AGN})\,	1.049	1.535	1.961

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.385	-0.836	-0.372
0.03-0.10 Gyr	-1.675	-0.802	0.126
0.10-0.33 Gyr	-1.865	-0.865	-0.228
0.33-1.07 Gyr	-2.191	-0.828	-0.299
1.07-3.49 Gyr	-2.016	-0.593	-0.181
3.49-11.40 Gyr	-1.055	-0.282	-0.053
11.40-12.66 Gyr	-0.856	-0.102	0.711

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.330	10.388	10.445
{\rm log}_{10}({\rm SFR})	-0.009	0.235	0.505
{\rm log}_{10}({\rm sSFR})	-10.410	-10.163	-9.868
{\rm stellar\ age}	6.211	7.008	7.938

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.695	-0.477	-0.301
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.542	-0.430	0.236

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.170	0.279	0.441
\delta	-0.349	-0.040	0.174
\tau_1/\tau_2	0.790	1.135	1.479
Q_{PAH}	1.027	2.566	4.688
U_{min}	2.375	7.036	13.752
{\rm log}_{10}(\gamma_e)\,	-2.928	-1.666	-0.886

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.000	-2.779	-1.732
{\rm log}_{10}(\tau_{AGN})\,	1.089	1.558	1.948

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.311	-0.053	0.121
0.03-0.10 Gyr	-0.001	0.321	0.635
0.10-0.33 Gyr	0.087	0.359	0.619
0.33-1.07 Gyr	-0.041	0.230	0.439
1.07-3.49 Gyr	0.029	0.336	0.554
3.49-11.40 Gyr	0.363	0.529	0.644
11.40-12.66 Gyr	0.179	0.595	1.011