2025ab

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Information

Transient

Name: AT2025ab
Right ascension: 8h26m17.97s
Declination: 28d29m45.80s
Discovery Date: Jan. 2, 2025, 11:43 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.031

Host

Name: 2025ab
Right ascension: 8h26m17.87s
Declination: 28d29m46.31s
Redshift: 0.072565
Photometric Redshift: 0.078

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	2.98
Cutout download	processed	22.95
Global aperture construction	processed	0.8
Local aperture photometry	processed	8.42
Global aperture photometry	processed	8.39
Validate local photometry	processed	0.03
Validate global photometry	processed	23.88
Host information	processed	0.16
Global host SED inference	processed	566.11
Local host SED inference	processed	733.13
Transient information	processed	0.0
Transient MWEBV	processed	0.08
Host MWEBV	processed	0.08
Log transient processing status	processed	None

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) = 8h26m17.97s, 28d29m45.80s
semi major axis, semi minor axis (arcsec) = 1.45, 1.45
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
SDSS_g	63.42	2.13	19.394	0.036	AB
DES_g	71.89	0.4	19.258	0.006	AB
PanSTARRS_g	64.33	0.43	19.379	0.007	AB
SDSS_r	121.36	2.94	18.690	0.026	AB
PanSTARRS_r	112.03	0.4	18.777	0.004	AB
DES_r	136.62	1.0	18.561	0.008	AB
SDSS_i	172.81	3.6	18.306	0.023	AB
PanSTARRS_i	152.35	0.48	18.443	0.003	AB
PanSTARRS_z	178.95	0.97	18.268	0.006	AB
SDSS_z	211.45	5.98	18.087	0.031	AB
DES_z	227.43	3.09	18.008	0.015	AB
PanSTARRS_y	214.07	2.65	18.074	0.013	AB

Aperture details

RA, DEC (J2000) = 8h26m17.88s, 28d29m46.22s
semi major axis, semi minor axis (arcsec) = 10.95, 9.1
angle (degrees, anti-clockwise from east) = -16.29

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
GALEX_FUV	59.95	5.8	19.456	0.105	AB
GALEX_NUV	81.25	1.52	19.125	0.020	AB
SDSS_u	225.79	6.61	18.016	0.032	AB
SDSS_g	513.88	6.94	17.123	0.015	AB
DES_g	554.87	1.27	17.040	0.002	AB
PanSTARRS_g	572.33	2.71	17.006	0.005	AB
SDSS_r	831.39	8.94	16.600	0.012	AB
PanSTARRS_r	854.84	2.41	16.570	0.003	AB
DES_r	929.23	2.83	16.480	0.003	AB
SDSS_i	1160.99	11.94	16.238	0.011	AB
PanSTARRS_i	1107.13	2.98	16.289	0.003	AB
PanSTARRS_z	1285.51	6.21	16.127	0.005	AB
SDSS_z	1159.15	33.51	16.240	0.031	AB
DES_z	1341.89	8.2	16.081	0.007	AB
PanSTARRS_y	1435.65	17.63	16.007	0.013	AB
2MASS_J	1489.31	187.85	15.073	0.137	Vega
2MASS_H	2696.61	300.24	13.955	0.121	Vega
2MASS_K	1976.99	334.69	13.822	0.184	Vega
WISE_W1	997.49	30.78	13.704	0.033	Vega
WISE_W2	604.93	37.37	13.607	0.067	Vega
WISE_W3	3631.91	185.39	9.826	0.055	Vega
WISE_W4	5054.02	1053.3	8.021	0.226	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	9.393	9.530	9.629
${\rm log}_{10}({\rm SFR})$	-1.151	-0.602	-0.034
${\rm log}_{10}({\rm sSFR})$	-10.745	-10.146	-9.498
${\rm stellar\ age}$	3.685	6.016	7.424

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-0.900	-0.419	-0.100
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.493	-0.068	0.316

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.192	0.458	0.890
$\delta$	-0.826	-0.415	-0.021
$\tau_1/\tau_2$	0.708	1.060	1.402
$Q_{PAH}$	0.737	2.721	5.462
$U_{min}$	3.137	8.679	15.492
${\rm log}_{10}(\gamma_e)\,$	-2.704	-1.243	-0.348

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-3.319	-1.153	-0.335
${\rm log}_{10}(\tau_{AGN})\,$	1.027	1.483	1.947

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.235	-0.778	-0.405
0.03-0.10 Gyr	-1.325	-0.576	0.063
0.10-0.33 Gyr	-1.072	-0.381	0.149
0.33-1.07 Gyr	-0.852	-0.376	-0.004
1.07-3.52 Gyr	-0.779	-0.346	-0.095
3.52-11.52 Gyr	-0.947	-0.450	-0.241
11.52-12.80 Gyr	-1.220	-0.468	0.045

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	10.204	10.268	10.346
${\rm log}_{10}({\rm SFR})$	0.572	0.783	1.005
${\rm log}_{10}({\rm sSFR})$	-9.735	-9.501	-9.235
${\rm stellar\ age}$	5.607	6.598	7.673

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-0.714	-0.453	-0.316
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	0.076	0.280	0.412

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.176	0.276	0.462
$\delta$	-0.675	-0.416	-0.180
$\tau_1/\tau_2$	0.634	0.990	1.352
$Q_{PAH}$	1.431	2.853	4.701
$U_{min}$	2.731	7.399	14.223
${\rm log}_{10}(\gamma_e)\,$	-2.942	-1.955	-1.044

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.093	-2.945	-2.044
${\rm log}_{10}(\tau_{AGN})\,$	1.045	1.544	1.952

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.040	0.124	0.245
0.03-0.10 Gyr	0.684	0.918	1.151
0.10-0.33 Gyr	0.008	0.490	0.779
0.33-1.07 Gyr	-0.255	0.198	0.426
1.07-3.52 Gyr	-0.054	0.287	0.496
3.52-11.52 Gyr	0.133	0.355	0.490
11.52-12.80 Gyr	-0.038	0.409	0.874