Exposure
ID
GRAVI.2023-08-01T02:32:56.621_1
Header ID
GRAVI.2023-08-01T02:32:56.621
Date updated
2023-08-01 02:45:26 UTC+0000
Release date
2024-08-01 02:45:26 UTC+0000
UTC Start
2023-08-01 02:32:56.621
UTC End
2023-08-01 02:37:56.621
MJD Start
60157.10621089
MJD End
60157.10968311222
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.002203
Ambient temperature (°C)
18.42
Seeing (arcsec)
1.12
Observation
ID
56494
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
41869
Name
NGC_6618_B260
RA
275.110278
DEC
-16.14242
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 56.1570 56.2220 27.0000 27.5000
U1-U3 101.8330 101.9610 33.3000 33.8000
U1-U4 130.0710 130.1630 61.2190 61.6120
U2-U3 46.4380 46.4970 41.0000 41.5000
U2-U4 89.4260 89.3880 81.9180 82.2850
U3-U4 62.2660 62.1470 111.1560 111.5690
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 60157.10621089
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME NGC_6618_B260
HIERARCH ESO INS SOBJ NAME NGC_6618_B260
RA 275.110278
DEC -16.14242
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 316.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 10
HIERARCH ESO ISS PBL12 START 56.157
HIERARCH ESO ISS PBL12 END 56.222
HIERARCH ESO ISS PBLA12 START 27.0
HIERARCH ESO ISS PBLA12 END 27.5
HIERARCH ESO ISS PBL13 START 101.833
HIERARCH ESO ISS PBL13 END 101.961
HIERARCH ESO ISS PBLA13 START 33.3
HIERARCH ESO ISS PBLA13 END 33.8
HIERARCH ESO ISS PBL14 START 130.071
HIERARCH ESO ISS PBL14 END 130.163
HIERARCH ESO ISS PBLA14 START 61.219
HIERARCH ESO ISS PBLA14 END 61.612
HIERARCH ESO ISS PBL23 START 46.438
HIERARCH ESO ISS PBL23 END 46.497
HIERARCH ESO ISS PBLA23 START 41.0
HIERARCH ESO ISS PBLA23 END 41.5
HIERARCH ESO ISS PBL24 START 89.426
HIERARCH ESO ISS PBL24 END 89.388
HIERARCH ESO ISS PBLA24 START 81.918
HIERARCH ESO ISS PBLA24 END 82.285
HIERARCH ESO ISS PBL34 START 62.266
HIERARCH ESO ISS PBL34 END 62.147
HIERARCH ESO ISS PBLA34 START 111.156
HIERARCH ESO ISS PBLA34 END 111.569
HIERARCH ESO ISS AMBI TAU0 START 0.002236
HIERARCH ESO ISS AMBI TAU0 END 0.00217
HIERARCH ESO ISS AMBI TEMP 18.42
HIERARCH ESO ISS AMBI FWHM START 1.07
HIERARCH ESO ISS AMBI FWHM END 1.17