Exposure
ID
GRAVI.2022-11-23T02:27:18.013_1
Header ID
GRAVI.2022-11-23T02:27:18.013
Date updated
2022-11-23 02:36:24 UTC+0000
Release date
2023-11-23 02:36:24 UTC+0000
UTC Start
2022-11-23 02:27:18.013
UTC End
2022-11-23 02:31:18.013
MJD Start
59906.10229182
MJD End
59906.1050695978
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0055485
Ambient temperature (°C)
13.21
Seeing (arcsec)
0.5
Observation
ID
53245
Category
science
Program ID
110.23QY.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GIEREN/ KERVELLA/ MÉRAND/ GRACZYK
Target
ID
39586
Name
HD16646
RA
40.137855
DEC
18.59991
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 67.2570 67.4600 275.1000 274.7000
K0-D0 87.7000 88.3600 259.0000 258.7000
K0-J3 48.5360 48.2230 322.4930 322.6370
G2-D0 29.6470 29.9500 220.1000 220.4000
G2-J3 49.6320 50.1760 48.9790 49.1790
D0-J3 79.0550 79.9080 45.6530 45.9100
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.23QY.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59906.10229182
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD16646
HIERARCH ESO INS SOBJ NAME HD16646
RA 40.137855
DEC 18.59991
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 67.257
HIERARCH ESO ISS PBL12 END 67.46
HIERARCH ESO ISS PBLA12 START 275.1
HIERARCH ESO ISS PBLA12 END 274.7
HIERARCH ESO ISS PBL13 START 87.7
HIERARCH ESO ISS PBL13 END 88.36
HIERARCH ESO ISS PBLA13 START 259.0
HIERARCH ESO ISS PBLA13 END 258.7
HIERARCH ESO ISS PBL14 START 48.536
HIERARCH ESO ISS PBL14 END 48.223
HIERARCH ESO ISS PBLA14 START 322.493
HIERARCH ESO ISS PBLA14 END 322.637
HIERARCH ESO ISS PBL23 START 29.647
HIERARCH ESO ISS PBL23 END 29.95
HIERARCH ESO ISS PBLA23 START 220.1
HIERARCH ESO ISS PBLA23 END 220.4
HIERARCH ESO ISS PBL24 START 49.632
HIERARCH ESO ISS PBL24 END 50.176
HIERARCH ESO ISS PBLA24 START 48.979
HIERARCH ESO ISS PBLA24 END 49.179
HIERARCH ESO ISS PBL34 START 79.055
HIERARCH ESO ISS PBL34 END 79.908
HIERARCH ESO ISS PBLA34 START 45.653
HIERARCH ESO ISS PBLA34 END 45.91
HIERARCH ESO ISS AMBI TAU0 START 0.004249
HIERARCH ESO ISS AMBI TAU0 END 0.006848
HIERARCH ESO ISS AMBI TEMP 13.21
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.48