Exposure
ID
GRAVI.2024-09-04T03:27:27.220_1
Header ID
GRAVI.2024-09-04T03:27:27.220
Date updated
2024-09-04 03:40:43 UTC+0000
Release date
2024-09-04 03:27:27 UTC+0000
UTC Start
2024-09-04 03:27:27.220
UTC End
2024-09-04 03:34:07.220
MJD Start
60557.14406505
MJD End
60557.14869467963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0028925
Ambient temperature (°C)
13.87
Seeing (arcsec)
1.04
Observation
ID
60568
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
45010
Name
HD_231808
RA
293.438134
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 63.8960 62.1120 108.1000 108.2000
A0-J2 109.4440 107.4280 83.3000 82.7000
A0-K0 122.5990 121.5860 66.3150 65.6530
G1-J2 58.0450 57.9180 55.7000 55.2000
G1-K0 86.2430 86.7030 36.7030 36.6610
J2-K0 36.6400 36.7380 5.5940 6.5770
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 60557.14406505
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD231808
HIERARCH ESO INS SOBJ NAME HD_231808
RA 293.438134
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 63.896
HIERARCH ESO ISS PBL12 END 62.112
HIERARCH ESO ISS PBLA12 START 108.1
HIERARCH ESO ISS PBLA12 END 108.2
HIERARCH ESO ISS PBL13 START 109.444
HIERARCH ESO ISS PBL13 END 107.428
HIERARCH ESO ISS PBLA13 START 83.3
HIERARCH ESO ISS PBLA13 END 82.7
HIERARCH ESO ISS PBL14 START 122.599
HIERARCH ESO ISS PBL14 END 121.586
HIERARCH ESO ISS PBLA14 START 66.315
HIERARCH ESO ISS PBLA14 END 65.653
HIERARCH ESO ISS PBL23 START 58.045
HIERARCH ESO ISS PBL23 END 57.918
HIERARCH ESO ISS PBLA23 START 55.7
HIERARCH ESO ISS PBLA23 END 55.2
HIERARCH ESO ISS PBL24 START 86.243
HIERARCH ESO ISS PBL24 END 86.703
HIERARCH ESO ISS PBLA24 START 36.703
HIERARCH ESO ISS PBLA24 END 36.661
HIERARCH ESO ISS PBL34 START 36.64
HIERARCH ESO ISS PBL34 END 36.738
HIERARCH ESO ISS PBLA34 START 5.594
HIERARCH ESO ISS PBLA34 END 6.577
HIERARCH ESO ISS AMBI TAU0 START 0.002639
HIERARCH ESO ISS AMBI TAU0 END 0.003146
HIERARCH ESO ISS AMBI TEMP 13.87
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 1.12