Exposure
ID
GRAVI.2025-04-28T08:54:23.259_1
Header ID
GRAVI.2025-04-28T08:54:23.259
Date updated
2025-04-28 09:06:05 UTC+0000
Release date
2026-04-28 09:06:05 UTC+0000
UTC Start
2025-04-28 08:54:23.259
UTC End
2025-04-28 08:58:23.259
MJD Start
60793.37110253
MJD End
60793.37388030778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005010499999999999
Ambient temperature (°C)
12.41
Seeing (arcsec)
0.33499999999999996
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 87.6880 88.0430 110.3000 110.5000
A0-J2 123.0580 123.7270 86.4000 86.7000
A0-K0 121.4740 122.0900 63.4310 63.9270
G1-J2 55.6740 55.8870 46.7000 47.3000
G1-K0 88.7010 88.7940 17.3010 17.8440
J2-K0 48.6430 48.6380 343.0710 343.4420
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 60793.37110253
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 87.688
HIERARCH ESO ISS PBL12 END 88.043
HIERARCH ESO ISS PBLA12 START 110.3
HIERARCH ESO ISS PBLA12 END 110.5
HIERARCH ESO ISS PBL13 START 123.058
HIERARCH ESO ISS PBL13 END 123.727
HIERARCH ESO ISS PBLA13 START 86.4
HIERARCH ESO ISS PBLA13 END 86.7
HIERARCH ESO ISS PBL14 START 121.474
HIERARCH ESO ISS PBL14 END 122.09
HIERARCH ESO ISS PBLA14 START 63.431
HIERARCH ESO ISS PBLA14 END 63.927
HIERARCH ESO ISS PBL23 START 55.674
HIERARCH ESO ISS PBL23 END 55.887
HIERARCH ESO ISS PBLA23 START 46.7
HIERARCH ESO ISS PBLA23 END 47.3
HIERARCH ESO ISS PBL24 START 88.701
HIERARCH ESO ISS PBL24 END 88.794
HIERARCH ESO ISS PBLA24 START 17.301
HIERARCH ESO ISS PBLA24 END 17.844
HIERARCH ESO ISS PBL34 START 48.643
HIERARCH ESO ISS PBL34 END 48.638
HIERARCH ESO ISS PBLA34 START 343.071
HIERARCH ESO ISS PBLA34 END 343.442
HIERARCH ESO ISS AMBI TAU0 START 0.005194
HIERARCH ESO ISS AMBI TAU0 END 0.004827
HIERARCH ESO ISS AMBI TEMP 12.41
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.35