Exposure
ID
GRAVI.2023-09-01T02:57:15.983_1
Header ID
GRAVI.2023-09-01T02:57:15.983
Date updated
2023-09-01 03:10:25 UTC+0000
Release date
2024-09-01 03:10:25 UTC+0000
UTC Start
2023-09-01 02:57:15.983
UTC End
2023-09-01 03:03:55.983
MJD Start
60188.12310166
MJD End
60188.12773128963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0047729999999999995
Ambient temperature (°C)
12.68
Seeing (arcsec)
0.905
Observation
ID
56830
Category
science
Program ID
111.24LP.001
Program Title
MONITORING A TRIPLE SYSTEM WITH A MAIN SEQUENCE INNER BINARY AND A PRE-MAIN-SEQUENCE TERTIARY
Program Type
Normal
PI / COI
FROST/ SANA/ BORDIER
Target
ID
42118
Name
Cl_NGC_6618_CEN_1a
RA
275.12691
DEC
-16.17881
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 55.3250 55.1130 36.1000 36.3000
U1-U3 98.6650 98.1120 41.5000 41.6000
U1-U4 113.5410 111.7690 68.0870 68.2120
U2-U3 43.8920 43.5370 48.3000 48.4000
U2-U4 72.7670 71.2150 91.8250 92.3570
U3-U4 50.9070 50.0690 128.2610 129.5140
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24LP.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60188.12310166
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME Cl NGC 6618 CEN 1a
HIERARCH ESO INS SOBJ NAME Cl_NGC_6618_CEN_1a
RA 275.12691
DEC -16.17881
HIERARCH ESO INS SPEC RES HIGH
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 55.325
HIERARCH ESO ISS PBL12 END 55.113
HIERARCH ESO ISS PBLA12 START 36.1
HIERARCH ESO ISS PBLA12 END 36.3
HIERARCH ESO ISS PBL13 START 98.665
HIERARCH ESO ISS PBL13 END 98.112
HIERARCH ESO ISS PBLA13 START 41.5
HIERARCH ESO ISS PBLA13 END 41.6
HIERARCH ESO ISS PBL14 START 113.541
HIERARCH ESO ISS PBL14 END 111.769
HIERARCH ESO ISS PBLA14 START 68.087
HIERARCH ESO ISS PBLA14 END 68.212
HIERARCH ESO ISS PBL23 START 43.892
HIERARCH ESO ISS PBL23 END 43.537
HIERARCH ESO ISS PBLA23 START 48.3
HIERARCH ESO ISS PBLA23 END 48.4
HIERARCH ESO ISS PBL24 START 72.767
HIERARCH ESO ISS PBL24 END 71.215
HIERARCH ESO ISS PBLA24 START 91.825
HIERARCH ESO ISS PBLA24 END 92.357
HIERARCH ESO ISS PBL34 START 50.907
HIERARCH ESO ISS PBL34 END 50.069
HIERARCH ESO ISS PBLA34 START 128.261
HIERARCH ESO ISS PBLA34 END 129.514
HIERARCH ESO ISS AMBI TAU0 START 0.004785
HIERARCH ESO ISS AMBI TAU0 END 0.004761
HIERARCH ESO ISS AMBI TEMP 12.68
HIERARCH ESO ISS AMBI FWHM START 0.94
HIERARCH ESO ISS AMBI FWHM END 0.87