Exposure
ID
GRAVI.2023-08-30T03:15:57.984_1
Header ID
GRAVI.2023-08-30T03:15:57.984
Date updated
2023-08-30 03:30:15 UTC+0000
Release date
2024-08-30 03:30:15 UTC+0000
UTC Start
2023-08-30 03:15:57.984
UTC End
2023-08-30 03:20:15.984
MJD Start
60186.13608778
MJD End
60186.139073891114
Exposure time (s)
258.0
Validation level
1
Tau 0: Coherence time (s)
0.004163
Ambient temperature (°C)
13.14
Seeing (arcsec)
0.56
Observation
ID
56812
Category
science
Program ID
109.23HT.003
Program Title
CONSTRAINING THE COSMIC DANCE OF MASSIVE STARS IN TRIPLE SYSTEMS
Program Type
Normal
PI / COI
SANA/ FROST/ TOONEN/ BORDIER/ LE BOUQUIN/ MAHY/ SHENAR
Target
ID
42103
Name
NGC6618_B189SW
RA
275.126641
DEC
-16.17922
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 54.9870 54.8260 36.4000 36.5000
U1-U3 97.7860 97.3720 41.7000 41.7000
U1-U4 110.7390 109.4480 68.2720 68.3370
U2-U3 43.3290 43.0660 48.4000 48.4000
U2-U4 70.3200 69.2030 92.6610 93.0380
U3-U4 49.5950 49.0140 130.2420 131.1540
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 109.23HT.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60186.13608778
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME NGC6618_B189SW
HIERARCH ESO INS SOBJ NAME NGC6618_B189SW
RA 275.126641
DEC -16.17922
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 284.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 86
HIERARCH ESO ISS PBL12 START 54.987
HIERARCH ESO ISS PBL12 END 54.826
HIERARCH ESO ISS PBLA12 START 36.4
HIERARCH ESO ISS PBLA12 END 36.5
HIERARCH ESO ISS PBL13 START 97.786
HIERARCH ESO ISS PBL13 END 97.372
HIERARCH ESO ISS PBLA13 START 41.7
HIERARCH ESO ISS PBLA13 END 41.7
HIERARCH ESO ISS PBL14 START 110.739
HIERARCH ESO ISS PBL14 END 109.448
HIERARCH ESO ISS PBLA14 START 68.272
HIERARCH ESO ISS PBLA14 END 68.337
HIERARCH ESO ISS PBL23 START 43.329
HIERARCH ESO ISS PBL23 END 43.066
HIERARCH ESO ISS PBLA23 START 48.4
HIERARCH ESO ISS PBLA23 END 48.4
HIERARCH ESO ISS PBL24 START 70.32
HIERARCH ESO ISS PBL24 END 69.203
HIERARCH ESO ISS PBLA24 START 92.661
HIERARCH ESO ISS PBLA24 END 93.038
HIERARCH ESO ISS PBL34 START 49.595
HIERARCH ESO ISS PBL34 END 49.014
HIERARCH ESO ISS PBLA34 START 130.242
HIERARCH ESO ISS PBLA34 END 131.154
HIERARCH ESO ISS AMBI TAU0 START 0.004254
HIERARCH ESO ISS AMBI TAU0 END 0.004072
HIERARCH ESO ISS AMBI TEMP 13.14
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56