Exposure
ID
GRAVI.2024-08-16T04:21:48.239_1
Header ID
GRAVI.2024-08-16T04:21:48.239
Date updated
2024-08-16 04:35:35 UTC+0000
Release date
2024-08-16 04:21:48 UTC+0000
UTC Start
2024-08-16 04:21:48.239
UTC End
2024-08-16 04:28:28.239
MJD Start
60538.18180832
MJD End
60538.1864379496
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0037805
Ambient temperature (°C)
12.66
Seeing (arcsec)
0.665
Observation
ID
59900
Category
calibrator
Program ID
113.26BP.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART IV
Program Type
Normal
PI / COI
GALLENNE / PIETRZYNSKI / KERVELLA / MÉRAND / GIEREN / GRACZYK
Target
ID
44439
Name
HD_231808
RA
293.438135
DEC
15.24635
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 68.9080 67.2620 108.1000 108.1000
A0-J2 114.9060 113.1440 84.9000 84.4000
A0-K0 125.1190 124.3470 68.1550 67.5540
G1-J2 58.2270 58.1980 57.2000 56.7000
G1-K0 84.7260 85.2660 36.6840 36.7200
J2-K0 36.4420 36.4930 2.6280 3.6440
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BP.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60538.18180832
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD231808
HIERARCH ESO INS SOBJ NAME HD_231808
RA 293.438135
DEC 15.24635
HIERARCH ESO INS SPEC RES HIGH
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 68.908
HIERARCH ESO ISS PBL12 END 67.262
HIERARCH ESO ISS PBLA12 START 108.1
HIERARCH ESO ISS PBLA12 END 108.1
HIERARCH ESO ISS PBL13 START 114.906
HIERARCH ESO ISS PBL13 END 113.144
HIERARCH ESO ISS PBLA13 START 84.9
HIERARCH ESO ISS PBLA13 END 84.4
HIERARCH ESO ISS PBL14 START 125.119
HIERARCH ESO ISS PBL14 END 124.347
HIERARCH ESO ISS PBLA14 START 68.155
HIERARCH ESO ISS PBLA14 END 67.554
HIERARCH ESO ISS PBL23 START 58.227
HIERARCH ESO ISS PBL23 END 58.198
HIERARCH ESO ISS PBLA23 START 57.2
HIERARCH ESO ISS PBLA23 END 56.7
HIERARCH ESO ISS PBL24 START 84.726
HIERARCH ESO ISS PBL24 END 85.266
HIERARCH ESO ISS PBLA24 START 36.684
HIERARCH ESO ISS PBLA24 END 36.72
HIERARCH ESO ISS PBL34 START 36.442
HIERARCH ESO ISS PBL34 END 36.493
HIERARCH ESO ISS PBLA34 START 2.628
HIERARCH ESO ISS PBLA34 END 3.644
HIERARCH ESO ISS AMBI TAU0 START 0.00383
HIERARCH ESO ISS AMBI TAU0 END 0.003731
HIERARCH ESO ISS AMBI TEMP 12.66
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.67