2025aljk

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Information

Transient

Name: AT2025aljk
Right ascension: 13h14m31.61s
Declination: 21d49m29.51s
Discovery Date: Dec. 27, 2025, 6:46 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.021

Host

Name:
Right ascension: 13h14m31.67s
Declination: 21d49m28.50s
Redshift: 0.063284
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	19.08
Transient MWEBV	processed	0.09
Host match	processed	5.71
Host information	processed	0.11
Host MWEBV	processed	0.05
Global aperture construction	processed	0.7
Global aperture photometry	processed	6.86
Validate global photometry	processed	19.38
Global host SED inference	processed	387.77
Local aperture photometry	processed	6.73
Validate local photometry	processed	0.03
Local host SED inference	processed	488.41

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) = 13h14m31.61s, 21d49m29.51s
semi major axis, semi minor axis (arcsec) = 1.64, 1.64
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	36.89	1.87	19.983	0.055	AB
SDSS_g	135.8	3.05	18.568	0.024	AB
DES_g	138.82	0.54	18.544	0.004	AB
PanSTARRS_g	127.97	0.58	18.632	0.005	AB
SDSS_r	276.93	4.37	17.794	0.017	AB
PanSTARRS_r	254.57	0.67	17.885	0.003	AB
DES_r	302.92	1.35	17.697	0.005	AB
SDSS_i	420.53	5.43	17.341	0.014	AB
PanSTARRS_i	371.09	0.76	17.476	0.002	AB
PanSTARRS_z	470.16	1.46	17.219	0.003	AB
SDSS_z	548.6	7.43	17.052	0.015	AB
DES_z	549.89	3.44	17.049	0.007	AB
PanSTARRS_y	547.27	2.76	17.054	0.005	AB

Aperture details

RA, DEC (J2000) = 13h14m31.69s, 21d49m28.68s
semi major axis, semi minor axis (arcsec) = 12.23, 5.3
angle (degrees, anti-clockwise from east) = -33.93

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	37.25	6.04	19.972	0.176	AB
GALEX_NUV	54.07	4.54	19.568	0.091	AB
SDSS_u	135.62	6.09	18.569	0.049	AB
SDSS_g	598.63	6.67	16.957	0.012	AB
DES_g	616.71	1.24	16.925	0.002	AB
PanSTARRS_g	600.09	2.58	16.954	0.005	AB
SDSS_r	1088.29	9.21	16.308	0.009	AB
PanSTARRS_r	1087.69	2.83	16.309	0.003	AB
DES_r	1205.47	2.87	16.197	0.003	AB
SDSS_i	1560.19	11.54	15.917	0.008	AB
PanSTARRS_i	1531.14	3.2	15.937	0.002	AB
PanSTARRS_z	1783.53	6.81	15.772	0.004	AB
SDSS_z	2049.97	24.13	15.621	0.013	AB
DES_z	2008.37	6.88	15.643	0.004	AB
PanSTARRS_y	2231.54	13.22	15.528	0.006	AB
2MASS_J	2639.36	216.88	14.451	0.089	Vega
2MASS_H	3605.57	341.88	13.640	0.103	Vega
2MASS_K	3333.42	354.93	13.255	0.116	Vega
WISE_W1	1941.73	27.71	12.981	0.015	Vega
WISE_W2	1349.85	31.66	12.735	0.025	Vega
WISE_W3	6752.03	114.61	9.152	0.018	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})\,	9.905	10.024	10.144
{\rm log}_{10}({\rm SFR})	-1.221	-0.502	0.232
{\rm log}_{10}({\rm sSFR})	-11.322	-10.546	-9.774
{\rm stellar\ age}	6.433	7.781	10.864

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.281	-0.742	-0.412
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.525	0.187	0.407

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.333	0.744	1.073
\delta	-0.671	-0.341	0.092
\tau_1/\tau_2	0.616	0.988	1.388
Q_{PAH}	0.870	2.926	5.446
U_{min}	3.228	8.475	15.642
{\rm log}_{10}(\gamma_e)\,	-3.225	-1.382	-0.348

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.369	-1.543	-0.642
{\rm log}_{10}(\tau_{AGN})\,	1.095	1.489	1.958

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.319	-0.668	-0.277
0.03-0.10 Gyr	-1.533	-0.476	0.362
0.10-0.33 Gyr	-1.903	-0.610	0.106
0.33-1.08 Gyr	-2.423	-0.738	-0.104
1.08-3.54 Gyr	-2.192	-0.502	0.063
3.54-11.62 Gyr	-0.477	0.098	0.295
11.62-12.92 Gyr	-0.356	0.348	1.122

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.473	10.535	10.593
{\rm log}_{10}({\rm SFR})	-0.152	0.029	0.210
{\rm log}_{10}({\rm sSFR})	-10.707	-10.512	-10.315
{\rm stellar\ age}	5.979	6.876	7.793

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.483	-0.276	-0.115
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.353	0.169	0.340

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.346	0.447	0.599
\delta	-0.030	0.142	0.271
\tau_1/\tau_2	0.786	1.107	1.448
Q_{PAH}	1.667	3.475	5.085
U_{min}	1.850	5.684	12.622
{\rm log}_{10}(\gamma_e)\,	-3.320	-2.463	-1.070

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.255	-1.741	-1.449
{\rm log}_{10}(\tau_{AGN})\,	0.957	1.296	1.725

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.133	0.259	0.388
0.03-0.10 Gyr	-0.541	-0.131	0.159
0.10-0.33 Gyr	-0.380	-0.004	0.284
0.33-1.08 Gyr	-0.024	0.311	0.534
1.08-3.54 Gyr	0.382	0.629	0.825
3.54-11.62 Gyr	0.487	0.660	0.773
11.62-12.92 Gyr	0.084	0.642	1.054