2025ackg

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Information

Transient

Name: AT2025ackg
Right ascension: 1h01m00.93s
Declination: 6d11m36.24s
Discovery Date: Oct. 19, 2025, 3:48 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.041

Host

Name:
Right ascension: 1h01m00.85s
Declination: 6d11m37.77s
Redshift: None
Photometric Redshift: 0.129

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	19.45
Transient MWEBV	processed	0.05
Host match	processed	4.95
Host information	processed	0.21
Host MWEBV	processed	0.04
Global aperture construction	processed	0.66
Global aperture photometry	processed	7.54
Validate global photometry	processed	18.52
Global host SED inference	processed	559.2
Local aperture photometry	processed	7.22
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) = 1h01m00.93s, 6d11m36.24s
semi major axis, semi minor axis (arcsec) = 0.87, 0.87
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) = 1h01m00.83s, 6d11m38.05s
semi major axis, semi minor axis (arcsec) = 5.41, 5.18
angle (degrees, anti-clockwise from east) = -12.03

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	11.98	1.96	21.204	0.178	AB
GALEX_NUV	13.09	1.58	21.108	0.131	AB
SDSS_u	50.59	6.07	19.640	0.130	AB
SDSS_g	69.53	3.42	19.294	0.053	AB
DES_g	82.13	0.56	19.114	0.007	AB
PanSTARRS_g	79.15	1.23	19.154	0.017	AB
SDSS_r	120.69	4.56	18.696	0.041	AB
PanSTARRS_r	121.5	1.26	18.689	0.011	AB
DES_r	134.44	1.09	18.579	0.009	AB
SDSS_i	172.25	6.22	18.310	0.039	AB
PanSTARRS_i	162.8	1.25	18.371	0.008	AB
PanSTARRS_z	183.46	3.01	18.241	0.018	AB
SDSS_z	239.71	20.5	17.951	0.093	AB
DES_z	190.8	2.73	18.199	0.016	AB
PanSTARRS_y	203.14	7.51	18.130	0.040	AB
2MASS_J	127.91	118.03	17.738	1.002	Vega
2MASS_H	189.03	185.96	16.841	1.068	Vega
2MASS_K	248.41	243.12	16.074	1.063	Vega
WISE_W1	84.06	10.53	16.390	0.136	Vega
WISE_W2	66.22	13.52	16.009	0.222	Vega
WISE_W3	140.53	75.94	13.357	0.587	Vega
WISE_W4	670.12	444.06	10.215	0.719	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})\,	9.952	10.072	10.199
{\rm log}_{10}({\rm SFR})	0.219	0.589	0.884
{\rm log}_{10}({\rm sSFR})	-9.861	-9.462	-9.148
{\rm stellar\ age}	6.123	7.085	10.509

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.667	-1.250	-0.818
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.141	0.167	0.410

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.178	0.278	0.405
\delta	-0.734	-0.442	-0.147
\tau_1/\tau_2	0.434	0.887	1.381
Q_{PAH}	0.416	1.390	3.364
U_{min}	2.948	8.358	15.947
{\rm log}_{10}(\gamma_e)\,	-2.665	-1.656	-0.673

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.968	-2.559	-1.683
{\rm log}_{10}(\tau_{AGN})\,	1.053	1.499	1.874

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.050	-0.761	-0.311
0.03-0.10 Gyr	0.366	0.744	1.042
0.10-0.32 Gyr	-2.593	-0.258	0.415
0.32-1.04 Gyr	-3.709	-0.616	-0.067
1.04-3.37 Gyr	-2.761	-0.368	0.089
3.37-10.90 Gyr	-0.570	0.148	0.354
10.90-12.11 Gyr	-0.279	0.397	1.275