Exposure
ID
GRAVI.2025-05-25T01:16:06.701_1
Header ID
GRAVI.2025-05-25T01:16:06.701
Date updated
2025-05-25 01:31:09 UTC+0000
Release date
2025-05-25 01:16:06 UTC+0000
UTC Start
2025-05-25 01:16:06.701
UTC End
2025-05-25 01:22:46.701
MJD Start
60820.05285533
MJD End
60820.05748495963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.004496
Ambient temperature (°C)
13.86
Seeing (arcsec)
0.495
Observation
ID
67563
Category
calibrator
Program ID
115.28G0.003
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
50252
Name
HD_115840
RA
200.113173
DEC
-47.54571
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.8870 68.0340 264.8000 266.1000
K0-D0 95.9370 95.8680 246.0000 247.2000
K0-J3 51.8530 52.1020 326.3710 327.2340
G2-D0 38.5250 38.4080 211.3000 212.3000
G2-J3 62.8160 62.6240 38.2500 39.3130
D0-J3 101.1650 100.8530 35.6070 36.6460
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28G0.003
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60820.05285533
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 115840
HIERARCH ESO INS SOBJ NAME HD_115840
RA 200.113173
DEC -47.54571
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 67.887
HIERARCH ESO ISS PBL12 END 68.034
HIERARCH ESO ISS PBLA12 START 264.8
HIERARCH ESO ISS PBLA12 END 266.1
HIERARCH ESO ISS PBL13 START 95.937
HIERARCH ESO ISS PBL13 END 95.868
HIERARCH ESO ISS PBLA13 START 246.0
HIERARCH ESO ISS PBLA13 END 247.2
HIERARCH ESO ISS PBL14 START 51.853
HIERARCH ESO ISS PBL14 END 52.102
HIERARCH ESO ISS PBLA14 START 326.371
HIERARCH ESO ISS PBLA14 END 327.234
HIERARCH ESO ISS PBL23 START 38.525
HIERARCH ESO ISS PBL23 END 38.408
HIERARCH ESO ISS PBLA23 START 211.3
HIERARCH ESO ISS PBLA23 END 212.3
HIERARCH ESO ISS PBL24 START 62.816
HIERARCH ESO ISS PBL24 END 62.624
HIERARCH ESO ISS PBLA24 START 38.25
HIERARCH ESO ISS PBLA24 END 39.313
HIERARCH ESO ISS PBL34 START 101.165
HIERARCH ESO ISS PBL34 END 100.853
HIERARCH ESO ISS PBLA34 START 35.607
HIERARCH ESO ISS PBLA34 END 36.646
HIERARCH ESO ISS AMBI TAU0 START 0.004511
HIERARCH ESO ISS AMBI TAU0 END 0.004481
HIERARCH ESO ISS AMBI TEMP 13.86
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.51