Exposure
ID
GRAVI.2025-04-28T08:40:35.223_1
Header ID
GRAVI.2025-04-28T08:40:35.223
Date updated
2025-04-28 08:50:46 UTC+0000
Release date
2026-04-28 08:50:45 UTC+0000
UTC Start
2025-04-28 08:40:35.223
UTC End
2025-04-28 08:44:35.223
MJD Start
60793.36151879
MJD End
60793.36429656778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0042165
Ambient temperature (°C)
12.41
Seeing (arcsec)
0.3
Observation
ID
67034
Category
science
Program ID
115.28G0.002
Program Title
VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW/HIGH METALLICITY
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER
Target
ID
49842
Name
HD_188111
RA
298.559482
DEC
-19.49671
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.3640 86.7980 109.4000 109.7000
A0-J2 120.6230 121.4120 85.1000 85.5000
A0-K0 119.2860 119.9870 61.7400 62.2710
G1-J2 54.9320 55.1670 44.8000 45.4000
G1-K0 88.4030 88.4940 15.4940 16.0550
J2-K0 48.6490 48.6490 341.8950 342.2500
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28G0.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60793.36151879
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 188111
HIERARCH ESO INS SOBJ NAME HD_188111
RA 298.559482
DEC -19.49671
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 86.364
HIERARCH ESO ISS PBL12 END 86.798
HIERARCH ESO ISS PBLA12 START 109.4
HIERARCH ESO ISS PBLA12 END 109.7
HIERARCH ESO ISS PBL13 START 120.623
HIERARCH ESO ISS PBL13 END 121.412
HIERARCH ESO ISS PBLA13 START 85.1
HIERARCH ESO ISS PBLA13 END 85.5
HIERARCH ESO ISS PBL14 START 119.286
HIERARCH ESO ISS PBL14 END 119.987
HIERARCH ESO ISS PBLA14 START 61.74
HIERARCH ESO ISS PBLA14 END 62.271
HIERARCH ESO ISS PBL23 START 54.932
HIERARCH ESO ISS PBL23 END 55.167
HIERARCH ESO ISS PBLA23 START 44.8
HIERARCH ESO ISS PBLA23 END 45.4
HIERARCH ESO ISS PBL24 START 88.403
HIERARCH ESO ISS PBL24 END 88.494
HIERARCH ESO ISS PBLA24 START 15.494
HIERARCH ESO ISS PBLA24 END 16.055
HIERARCH ESO ISS PBL34 START 48.649
HIERARCH ESO ISS PBL34 END 48.649
HIERARCH ESO ISS PBLA34 START 341.895
HIERARCH ESO ISS PBLA34 END 342.25
HIERARCH ESO ISS AMBI TAU0 START 0.004744
HIERARCH ESO ISS AMBI TAU0 END 0.003689
HIERARCH ESO ISS AMBI TEMP 12.41
HIERARCH ESO ISS AMBI FWHM START 0.29
HIERARCH ESO ISS AMBI FWHM END 0.31