2025sav

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Information

Transient

Name: AT2025sav
Right ascension: 0h27m35.60s
Declination: -2d25m42.99s
Discovery Date: July 24, 2025, 5:04 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.024

Host

Name:
Right ascension: 0h27m35.55s
Declination: -2d25m42.03s
Redshift: None
Photometric Redshift: 0.118

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	35.64
Transient MWEBV	processed	0.09
Host match	processed	7.82
Host information	processed	0.16
Host MWEBV	processed	0.04
Global aperture construction	processed	0.79
Global aperture photometry	processed	6.16
Validate global photometry	processed	17.28
Global host SED inference	processed	396.42
Local aperture photometry	processed	7.78
Validate local photometry	processed	0.03
Local host SED inference	not enough filters	20.62

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) = 0h27m35.60s, -2d25m42.99s
semi major axis, semi minor axis (arcsec) = 0.94, 0.94
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_z	22.18	0.49	20.535	0.024	AB

Aperture details

RA, DEC (J2000) = 0h27m35.53s, -2d25m41.72s
semi major axis, semi minor axis (arcsec) = 5.26, 2.81
angle (degrees, anti-clockwise from east) = -24.57

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	4.12	0.58	22.362	0.153	AB
GALEX_NUV	6.83	0.55	21.813	0.087	AB
SDSS_u	12.83	4.0	21.130	0.338	AB
SDSS_g	37.93	2.13	19.953	0.061	AB
DES_g	41.41	0.25	19.857	0.007	AB
PanSTARRS_g	44.92	1.01	19.769	0.024	AB
SDSS_r	72.52	3.08	19.249	0.046	AB
PanSTARRS_r	62.64	0.9	19.408	0.016	AB
DES_r	70.02	0.37	19.287	0.006	AB
SDSS_i	99.54	4.27	18.905	0.047	AB
PanSTARRS_i	88.2	1.16	19.036	0.014	AB
PanSTARRS_z	111.28	2.65	18.784	0.026	AB
SDSS_z	135.44	15.39	18.571	0.123	AB
DES_z	104.51	1.21	18.852	0.013	AB
PanSTARRS_y	127.32	5.45	18.638	0.046	AB
2MASS_J	121.67	90.87	17.792	0.811	Vega
2MASS_H	277.57	135.59	16.424	0.530	Vega
2MASS_K	375.28	188.71	15.626	0.546	Vega
WISE_W1	59.52	7.35	16.764	0.134	Vega
WISE_W2	48.2	12.05	16.353	0.271	Vega
WISE_W3	-28.28	69.63			Vega
WISE_W4	109.03	428.77	12.186	4.270	Vega

Imaging data

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Spectral Energy Distribution

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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})\,	9.580	9.667	9.759
{\rm log}_{10}({\rm SFR})	-0.217	0.138	0.468
{\rm log}_{10}({\rm sSFR})	-9.912	-9.538	-9.171
{\rm stellar\ age}	4.956	6.170	7.259

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.998	-0.474	-0.140
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.608	-0.084	0.317

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.245	0.453	0.713
\delta	-0.510	-0.190	0.036
\tau_1/\tau_2	0.723	1.098	1.500
Q_{PAH}	0.560	1.715	3.600
U_{min}	2.756	8.170	15.097
{\rm log}_{10}(\gamma_e)\,	-2.292	-1.262	-0.415

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.170	-2.764	-1.651
{\rm log}_{10}(\tau_{AGN})\,	1.020	1.461	1.860

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.680	-0.397	-0.199
0.03-0.10 Gyr	-0.163	0.256	0.607
0.10-0.32 Gyr	-0.335	0.074	0.387
0.32-1.05 Gyr	-0.740	-0.291	-0.005
1.05-3.40 Gyr	-0.675	-0.324	-0.104
3.40-11.02 Gyr	-0.505	-0.253	-0.100
11.02-12.24 Gyr	-0.741	-0.186	0.270