Exposure
ID
GRAVI.2024-07-03T09:13:26.191_1
Header ID
GRAVI.2024-07-03T09:13:26.191
Date updated
2024-07-03 09:25:36 UTC+0000
Release date
2025-07-03 09:25:35 UTC+0000
UTC Start
2024-07-03 09:13:26.191
UTC End
2024-07-03 09:17:26.191
MJD Start
60494.38433091
MJD End
60494.3871086878
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.007694
Ambient temperature (°C)
15.66
Seeing (arcsec)
0.47
Observation
ID
59849
Category
science
Program ID
113.26MN.001
Program Title
CAN GRAVITY-WIDE ON THE ATS BE USED TO RESOLVE AGN?
Program Type
Normal
PI / COI
TRISTRAM
Target
ID
44404
Name
Akn_557
RA
338.127878
DEC
8.20863
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 82.5170 81.8590 112.1000 112.1000
A0-J2 126.0180 125.4590 90.8000 90.6000
A0-K0 127.9740 127.9290 72.5260 72.3620
G1-J2 57.6010 57.7310 59.3000 59.3000
G1-K0 83.0970 83.4620 33.2850 33.5090
J2-K0 40.2800 40.2320 354.3810 354.9500
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26MN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60494.38433091
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME Akn 557
HIERARCH ESO INS SOBJ NAME Akn_557
RA 338.127878
DEC 8.20863
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 263.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 82.517
HIERARCH ESO ISS PBL12 END 81.859
HIERARCH ESO ISS PBLA12 START 112.1
HIERARCH ESO ISS PBLA12 END 112.1
HIERARCH ESO ISS PBL13 START 126.018
HIERARCH ESO ISS PBL13 END 125.459
HIERARCH ESO ISS PBLA13 START 90.8
HIERARCH ESO ISS PBLA13 END 90.6
HIERARCH ESO ISS PBL14 START 127.974
HIERARCH ESO ISS PBL14 END 127.929
HIERARCH ESO ISS PBLA14 START 72.526
HIERARCH ESO ISS PBLA14 END 72.362
HIERARCH ESO ISS PBL23 START 57.601
HIERARCH ESO ISS PBL23 END 57.731
HIERARCH ESO ISS PBLA23 START 59.3
HIERARCH ESO ISS PBLA23 END 59.3
HIERARCH ESO ISS PBL24 START 83.097
HIERARCH ESO ISS PBL24 END 83.462
HIERARCH ESO ISS PBLA24 START 33.285
HIERARCH ESO ISS PBLA24 END 33.509
HIERARCH ESO ISS PBL34 START 40.28
HIERARCH ESO ISS PBL34 END 40.232
HIERARCH ESO ISS PBLA34 START 354.381
HIERARCH ESO ISS PBLA34 END 354.95
HIERARCH ESO ISS AMBI TAU0 START 0.007694
HIERARCH ESO ISS AMBI TAU0 END 0.007694
HIERARCH ESO ISS AMBI TEMP 15.66
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.47
HIERARCH ESO FT ROBJ NAME TYC_1151-482-1
HIERARCH ESO FT ROBJ ALPHA 223230.558
HIERARCH ESO FT ROBJ DELTA 081236.148