2025alpc

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Information

Transient

Name: AT2025alpc
Right ascension: 9h24m50.07s
Declination: 31d25m22.59s
Discovery Date: Dec. 18, 2025, 9:29 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.020

Host

Name:
Right ascension: 9h24m50.08s
Declination: 31d25m22.35s
Redshift: None
Photometric Redshift: 0.173

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	19.55
Transient MWEBV	processed	0.05
Host match	processed	5.71
Host information	processed	0.1
Host MWEBV	processed	0.05
Global aperture construction	processed	0.62
Global aperture photometry	processed	6.52
Validate global photometry	processed	18.67
Global host SED inference	processed	1399.91
Local aperture photometry	processed	6.43
Validate local photometry	no valid phot	0.03
Local host SED inference	not 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) = 9h24m50.07s, 31d25m22.59s
semi major axis, semi minor axis (arcsec) = 0.68, 0.68
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys

Data not available

Aperture details

RA, DEC (J2000) = 9h24m50.08s, 31d25m22.63s
semi major axis, semi minor axis (arcsec) = 3.85, 3.21
angle (degrees, anti-clockwise from east) = -116.13

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	24.13	4.9	20.444	0.221	AB
GALEX_NUV	44.48	1.02	19.779	0.025	AB
SDSS_u	36.63	3.31	19.990	0.098	AB
SDSS_g	57.41	2.18	19.502	0.041	AB
DES_g	90.85	0.89	19.004	0.011	AB
PanSTARRS_g	88.69	0.82	19.030	0.010	AB
SDSS_r	128.69	3.27	18.626	0.028	AB
PanSTARRS_r	153.73	0.97	18.433	0.007	AB
DES_r	171.88	1.79	18.312	0.011	AB
SDSS_i	192.53	4.17	18.189	0.024	AB
PanSTARRS_i	226.44	1.05	18.013	0.005	AB
PanSTARRS_z	267.61	2.3	17.831	0.009	AB
SDSS_z	204.45	12.52	18.124	0.066	AB
DES_z	292.52	3.71	17.735	0.014	AB
PanSTARRS_y	281.88	5.03	17.775	0.019	AB
2MASS_J	388.68	91.17	16.531	0.255	Vega
2MASS_H	474.46	128.71	15.842	0.295	Vega
WISE_W1	260.03	11.15	15.163	0.047	Vega
WISE_W2	294.1	15.24	14.390	0.056	Vega
WISE_W3	367.14	58.32	12.314	0.172	Vega
WISE_W4	697.16	455.22	10.172	0.709	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Data not available

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.631	10.706	10.757
{\rm log}_{10}({\rm SFR})	0.552	0.791	1.117
{\rm log}_{10}({\rm sSFR})	-10.141	-9.894	-9.580
{\rm stellar\ age}	7.594	10.254	10.873

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.496	-0.213	-0.026
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.764	0.280	0.431

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.012	0.043	0.126
\delta	-0.299	0.089	0.332
\tau_1/\tau_2	0.607	1.134	1.605
Q_{PAH}	0.563	1.890	3.965
U_{min}	2.716	8.445	15.992
{\rm log}_{10}(\gamma_e)\,	-2.959	-1.863	-0.715

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.159	-0.895	-0.656
{\rm log}_{10}(\tau_{AGN})\,	1.091	1.393	1.706

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.439	0.121	0.393
0.03-0.10 Gyr	0.662	0.924	1.265
0.10-0.32 Gyr	-2.693	-0.651	0.121
0.32-1.02 Gyr	-4.716	-1.440	-0.455
1.02-3.27 Gyr	-3.324	-1.170	-0.318
3.27-10.44 Gyr	-1.264	0.167	0.874
10.44-11.60 Gyr	1.127	1.818	1.917