2025abcb

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Information

Transient

Name: AT2025abcb
Right ascension: 9h02m43.54s
Declination: 45d37m26.06s
Discovery Date: Oct. 21, 2025, 4:31 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.019

Host

Name: SDSSJ090243.49+45373
Right ascension: 9h02m43.44s
Declination: 45d37m37.02s
Redshift: None
Photometric Redshift: 0.079

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	15.56
Transient MWEBV	processed	0.11
Host match	processed	4.48
Host information	processed	0.05
Host MWEBV	processed	0.04
Global aperture construction	processed	0.63
Global aperture photometry	processed	5.24
Validate global photometry	processed	13.74
Global host SED inference	processed	410.67
Local aperture photometry	processed	5.07
Validate local photometry	processed	0.02
Local host SED inference	processed	419.48

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) = 9h02m43.54s, 45d37m26.06s
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	22.48	0.32	20.521	0.015	AB
SDSS_r	32.73	1.59	20.113	0.053	AB
PanSTARRS_r	30.19	0.39	20.200	0.014	AB
SDSS_i	48.6	1.97	19.683	0.044	AB
PanSTARRS_i	41.79	0.39	19.847	0.010	AB
PanSTARRS_z	47.75	0.73	19.703	0.017	AB
SDSS_z	54.11	3.78	19.567	0.076	AB
PanSTARRS_y	55.55	2.47	19.538	0.048	AB

Aperture details

RA, DEC (J2000) = 9h02m43.48s, 45d37m36.66s
semi major axis, semi minor axis (arcsec) = 6.79, 3.06
angle (degrees, anti-clockwise from east) = -164.52

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	46.35	5.19	19.735	0.122	AB
GALEX_NUV	65.5	1.21	19.359	0.020	AB
SDSS_u	72.48	3.89	19.249	0.058	AB
SDSS_g	156.78	3.46	18.412	0.024	AB
PanSTARRS_g	169.27	1.04	18.329	0.007	AB
SDSS_r	170.18	3.92	18.323	0.025	AB
PanSTARRS_r	179.78	1.26	18.263	0.008	AB
SDSS_i	225.2	4.74	18.019	0.023	AB
PanSTARRS_i	216.55	1.3	18.061	0.007	AB
PanSTARRS_z	207.3	2.36	18.108	0.012	AB
SDSS_z	280.96	11.92	17.778	0.046	AB
PanSTARRS_y	223.91	8.05	18.025	0.039	AB
2MASS_H	484.35	207.22	15.819	0.464	Vega
WISE_W1	123.6	9.11	15.971	0.080	Vega
WISE_W2	68.28	14.48	15.975	0.230	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})\,	8.725	8.956	9.083
{\rm log}_{10}({\rm SFR})	-1.315	-0.764	-0.162
{\rm log}_{10}({\rm sSFR})	-10.315	-9.703	-9.006
{\rm stellar\ age}	1.305	5.173	6.826

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.326	-0.538	-0.142
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.438	-0.735	-0.020

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.264	0.690	1.160
\delta	-0.556	-0.148	0.275
\tau_1/\tau_2	0.695	1.077	1.431
Q_{PAH}	0.756	2.390	4.711
U_{min}	3.036	8.152	15.036
{\rm log}_{10}(\gamma_e)\,	-2.956	-1.772	-0.584

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.380	-0.851	-0.045
{\rm log}_{10}(\tau_{AGN})\,	1.016	1.469	1.987

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.361	-0.964	-0.620
0.03-0.10 Gyr	-1.503	-0.736	-0.033
0.10-0.33 Gyr	-1.345	-0.677	-0.076
0.33-1.07 Gyr	-1.450	-0.800	-0.312
1.07-3.50 Gyr	-2.197	-0.997	-0.701
3.50-11.44 Gyr	-2.735	-1.114	-0.810
11.44-12.72 Gyr	-2.672	-1.179	-0.638

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.919	9.222	9.483
{\rm log}_{10}({\rm SFR})	0.224	0.475	0.709
{\rm log}_{10}({\rm sSFR})	-9.132	-8.805	-8.307
{\rm stellar\ age}	1.245	4.541	6.526

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.372	-0.814	-0.151
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.625	-0.837	0.079

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.089	0.208	0.401
\delta	-0.409	-0.010	0.228
\tau_1/\tau_2	0.769	1.233	1.628
Q_{PAH}	1.050	2.795	4.840
U_{min}	2.690	7.735	15.055
{\rm log}_{10}(\gamma_e)\,	-3.074	-1.944	-0.741

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.227	-3.060	-1.882
{\rm log}_{10}(\tau_{AGN})\,	1.036	1.510	1.917

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.649	-0.390	-0.189
0.03-0.10 Gyr	0.352	0.620	0.859
0.10-0.33 Gyr	-1.024	0.038	0.408
0.33-1.07 Gyr	-2.031	-0.791	-0.292
1.07-3.50 Gyr	-2.199	-0.919	-0.485
3.50-11.44 Gyr	-2.266	-0.974	-0.487
11.44-12.72 Gyr	-2.222	-0.892	-0.230