Exposure
ID
GRAVI.2024-10-20T00:26:23.541_1
Header ID
GRAVI.2024-10-20T00:26:23.541
Date updated
2024-10-20 00:40:48 UTC+0000
Release date
2024-10-20 00:26:23 UTC+0000
UTC Start
2024-10-20 00:26:23.541
UTC End
2024-10-20 00:33:03.541
MJD Start
60603.01832802
MJD End
60603.0229576496
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.006626
Ambient temperature (°C)
14.7
Seeing (arcsec)
0.495
Observation
ID
61048
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
45409
Name
HD_231808
RA
293.438131
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 63.9370 62.1450 108.1000 108.2000
A0-J2 109.4900 107.4660 83.3000 82.7000
A0-K0 122.6210 121.6060 66.3320 65.6650
G1-J2 58.0470 57.9210 55.8000 55.2000
G1-K0 86.2320 86.6950 36.7050 36.6620
J2-K0 36.6370 36.7350 5.5730 6.5590
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 60603.01832802
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD231808
HIERARCH ESO INS SOBJ NAME HD_231808
RA 293.438131
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 63.937
HIERARCH ESO ISS PBL12 END 62.145
HIERARCH ESO ISS PBLA12 START 108.1
HIERARCH ESO ISS PBLA12 END 108.2
HIERARCH ESO ISS PBL13 START 109.49
HIERARCH ESO ISS PBL13 END 107.466
HIERARCH ESO ISS PBLA13 START 83.3
HIERARCH ESO ISS PBLA13 END 82.7
HIERARCH ESO ISS PBL14 START 122.621
HIERARCH ESO ISS PBL14 END 121.606
HIERARCH ESO ISS PBLA14 START 66.332
HIERARCH ESO ISS PBLA14 END 65.665
HIERARCH ESO ISS PBL23 START 58.047
HIERARCH ESO ISS PBL23 END 57.921
HIERARCH ESO ISS PBLA23 START 55.8
HIERARCH ESO ISS PBLA23 END 55.2
HIERARCH ESO ISS PBL24 START 86.232
HIERARCH ESO ISS PBL24 END 86.695
HIERARCH ESO ISS PBLA24 START 36.705
HIERARCH ESO ISS PBLA24 END 36.662
HIERARCH ESO ISS PBL34 START 36.637
HIERARCH ESO ISS PBL34 END 36.735
HIERARCH ESO ISS PBLA34 START 5.573
HIERARCH ESO ISS PBLA34 END 6.559
HIERARCH ESO ISS AMBI TAU0 START 0.007486
HIERARCH ESO ISS AMBI TAU0 END 0.005766
HIERARCH ESO ISS AMBI TEMP 14.7
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.51