2025akjg

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Information

Transient

Name: AT2025akjg
Right ascension: 0h44m57.26s
Declination: 21d28m49.13s
Discovery Date: July 2, 2025, 1:08 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.032

Host

Name:
Right ascension: 0h44m57.31s
Declination: 21d28m51.25s
Redshift: None
Photometric Redshift: 0.075

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	15.66
Transient MWEBV	processed	0.04
Host match	processed	5.81
Host information	processed	0.18
Host MWEBV	processed	0.04
Global aperture construction	processed	0.63
Global aperture photometry	processed	5.26
Validate global photometry	processed	15.8
Global host SED inference	processed	464.19
Local aperture photometry	processed	5.45
Validate local photometry	processed	0.03
Local host SED inference	processed	446.74

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) = 0h44m57.26s, 21d28m49.13s
semi major axis, semi minor axis (arcsec) = 1.4, 1.4
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	37.17	0.41	19.975	0.012	AB
SDSS_r	71.79	2.31	19.260	0.035	AB
PanSTARRS_r	68.03	0.39	19.318	0.006	AB
SDSS_i	106.17	2.96	18.835	0.030	AB
PanSTARRS_i	97.87	0.49	18.923	0.005	AB
PanSTARRS_z	118.86	1.29	18.712	0.012	AB
SDSS_z	123.34	4.76	18.672	0.042	AB
PanSTARRS_y	137.17	2.46	18.557	0.020	AB

Aperture details

RA, DEC (J2000) = 0h44m57.29s, 21d28m51.56s
semi major axis, semi minor axis (arcsec) = 14.11, 9.21
angle (degrees, anti-clockwise from east) = -29.33

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	65.64	5.24	19.357	0.087	AB
SDSS_u	302.07	11.09	17.700	0.040	AB
SDSS_g	581.94	7.82	16.988	0.015	AB
PanSTARRS_g	674.99	3.21	16.827	0.005	AB
SDSS_r	1104.83	10.4	16.292	0.010	AB
PanSTARRS_r	1171.05	3.03	16.229	0.003	AB
SDSS_i	1615.37	14.75	15.879	0.010	AB
SDSS_z	1732.79	32.95	15.803	0.021	AB
WISE_W2	1145.3	37.49	12.914	0.036	Vega
WISE_W3	4632.99	144.13	9.561	0.034	Vega
WISE_W4	4466.08	786.82	8.155	0.191	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})\,	9.438	9.545	9.669
{\rm log}_{10}({\rm SFR})	-1.897	-1.208	-0.451
{\rm log}_{10}({\rm sSFR})	-11.399	-10.761	-10.017
{\rm stellar\ age}	6.114	7.451	9.263

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.537	-0.916	-0.444
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.547	-0.678	0.137

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.307	0.640	1.059
\delta	-0.594	-0.190	0.165
\tau_1/\tau_2	0.692	1.041	1.390
Q_{PAH}	0.630	2.568	5.243
U_{min}	3.121	8.141	15.382
{\rm log}_{10}(\gamma_e)\,	-3.164	-2.013	-0.479

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.425	-0.617	-0.090
{\rm log}_{10}(\tau_{AGN})\,	1.117	1.582	1.968

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.093	-1.397	-0.923
0.03-0.10 Gyr	-2.062	-1.195	-0.361
0.10-0.33 Gyr	-2.076	-1.094	-0.440
0.33-1.07 Gyr	-2.139	-1.003	-0.447
1.07-3.51 Gyr	-1.631	-0.660	-0.301
3.51-11.49 Gyr	-0.746	-0.333	-0.159
11.49-12.76 Gyr	-0.814	-0.206	0.471

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.458	10.587	10.702
{\rm log}_{10}({\rm SFR})	0.087	0.406	0.946
{\rm log}_{10}({\rm sSFR})	-10.543	-10.165	-9.605
{\rm stellar\ age}	5.333	7.123	9.078

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.714	-0.219	0.056
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.263	0.055	0.230

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.135	0.238	0.433
\delta	-0.788	-0.424	0.031
\tau_1/\tau_2	0.404	0.825	1.290
Q_{PAH}	1.399	2.787	5.065
U_{min}	2.529	7.158	14.168
{\rm log}_{10}(\gamma_e)\,	-3.386	-2.525	-1.514

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.279	-1.836	-1.268
{\rm log}_{10}(\tau_{AGN})\,	0.871	1.229	1.668

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.192	0.528	0.758
0.03-0.10 Gyr	-0.395	0.301	1.039
0.10-0.33 Gyr	-0.839	0.024	0.521
0.33-1.07 Gyr	-1.034	0.064	0.529
1.07-3.51 Gyr	-0.280	0.544	0.891
3.51-11.49 Gyr	0.170	0.642	0.860
11.49-12.76 Gyr	0.056	0.743	1.459