Exposure
ID
GRAVI.2022-11-22T02:36:22.976_1
Header ID
GRAVI.2022-11-22T02:36:22.976
Date updated
2022-11-22 02:46:23 UTC+0000
Release date
2023-11-22 02:46:22 UTC+0000
UTC Start
2022-11-22 02:36:22.976
UTC End
2022-11-22 02:40:22.976
MJD Start
59905.10859926
MJD End
59905.1113770378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.01003
Ambient temperature (°C)
13.05
Seeing (arcsec)
0.61
Observation
ID
53228
Category
science
Program ID
108.221X.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ KERVELLA/ MÉRAND/ GIEREN
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 67.4990 67.6770 274.6000 274.3000
K0-D0 88.4920 89.1180 258.7000 258.4000
K0-J3 48.1580 47.8400 322.6640 322.8230
G2-D0 30.0120 30.3120 220.5000 220.8000
G2-J3 50.2860 50.8190 49.2130 49.3930
D0-J3 80.0810 80.9190 45.9560 46.1900
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.221X.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59905.10859926
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 67.499
HIERARCH ESO ISS PBL12 END 67.677
HIERARCH ESO ISS PBLA12 START 274.6
HIERARCH ESO ISS PBLA12 END 274.3
HIERARCH ESO ISS PBL13 START 88.492
HIERARCH ESO ISS PBL13 END 89.118
HIERARCH ESO ISS PBLA13 START 258.7
HIERARCH ESO ISS PBLA13 END 258.4
HIERARCH ESO ISS PBL14 START 48.158
HIERARCH ESO ISS PBL14 END 47.84
HIERARCH ESO ISS PBLA14 START 322.664
HIERARCH ESO ISS PBLA14 END 322.823
HIERARCH ESO ISS PBL23 START 30.012
HIERARCH ESO ISS PBL23 END 30.312
HIERARCH ESO ISS PBLA23 START 220.5
HIERARCH ESO ISS PBLA23 END 220.8
HIERARCH ESO ISS PBL24 START 50.286
HIERARCH ESO ISS PBL24 END 50.819
HIERARCH ESO ISS PBLA24 START 49.213
HIERARCH ESO ISS PBLA24 END 49.393
HIERARCH ESO ISS PBL34 START 80.081
HIERARCH ESO ISS PBL34 END 80.919
HIERARCH ESO ISS PBLA34 START 45.956
HIERARCH ESO ISS PBLA34 END 46.19
HIERARCH ESO ISS AMBI TAU0 START 0.010345
HIERARCH ESO ISS AMBI TAU0 END 0.009715
HIERARCH ESO ISS AMBI TEMP 13.05
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.57