Exposure
ID
GRAVI.2023-07-14T09:31:57.236_1
Header ID
GRAVI.2023-07-14T09:31:57.236
Date updated
2023-07-14 09:41:15 UTC+0000
Release date
2024-07-14 09:41:15 UTC+0000
UTC Start
2023-07-14 09:31:57.236
UTC End
2023-07-14 09:34:37.236
MJD Start
60139.39719023
MJD End
60139.3990420819
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0033475
Ambient temperature (°C)
13.03
Seeing (arcsec)
0.685
Observation
ID
56242
Category
science
Program ID
111.24N4.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART III
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ KERVELLA/ MÉRAND/ GIEREN/ GRACZYK
Target
ID
41661
Name
eta_And
RA
14.301422
DEC
23.41741
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.6820 67.7900 275.1000 274.8000
K0-D0 88.3230 88.7550 260.5000 260.3000
K0-J3 45.8610 45.6130 320.7500 320.8370
G2-D0 28.5030 28.7310 223.7000 223.9000
G2-J3 48.4210 48.8190 52.4700 52.5350
D0-J3 76.7140 77.3450 49.2270 49.3350
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24N4.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60139.39719023
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME eta_And
HIERARCH ESO INS SOBJ NAME eta_And
RA 14.301422
DEC 23.41741
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 67.682
HIERARCH ESO ISS PBL12 END 67.79
HIERARCH ESO ISS PBLA12 START 275.1
HIERARCH ESO ISS PBLA12 END 274.8
HIERARCH ESO ISS PBL13 START 88.323
HIERARCH ESO ISS PBL13 END 88.755
HIERARCH ESO ISS PBLA13 START 260.5
HIERARCH ESO ISS PBLA13 END 260.3
HIERARCH ESO ISS PBL14 START 45.861
HIERARCH ESO ISS PBL14 END 45.613
HIERARCH ESO ISS PBLA14 START 320.75
HIERARCH ESO ISS PBLA14 END 320.837
HIERARCH ESO ISS PBL23 START 28.503
HIERARCH ESO ISS PBL23 END 28.731
HIERARCH ESO ISS PBLA23 START 223.7
HIERARCH ESO ISS PBLA23 END 223.9
HIERARCH ESO ISS PBL24 START 48.421
HIERARCH ESO ISS PBL24 END 48.819
HIERARCH ESO ISS PBLA24 START 52.47
HIERARCH ESO ISS PBLA24 END 52.535
HIERARCH ESO ISS PBL34 START 76.714
HIERARCH ESO ISS PBL34 END 77.345
HIERARCH ESO ISS PBLA34 START 49.227
HIERARCH ESO ISS PBLA34 END 49.335
HIERARCH ESO ISS AMBI TAU0 START 0.003588
HIERARCH ESO ISS AMBI TAU0 END 0.003107
HIERARCH ESO ISS AMBI TEMP 13.03
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.7