Exposure
ID
GRAVI.2022-12-28T00:20:26.500_1
Header ID
GRAVI.2022-12-28T00:20:26.500
Date updated
2022-12-28 00:32:36 UTC+0000
Release date
2023-12-28 00:32:35 UTC+0000
UTC Start
2022-12-28 00:20:26.500
UTC End
2022-12-28 00:24:26.500
MJD Start
59941.0141956
MJD End
59941.0169733778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.001806
Ambient temperature (°C)
13.04
Seeing (arcsec)
0.63
Observation
ID
53705
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
39922
Name
HD16646
RA
40.137854
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 67.7310 67.8810 274.2000 273.8000
K0-D0 89.3200 89.9100 258.3000 258.1000
K0-J3 47.7330 47.4100 322.8820 323.0580
G2-D0 30.4110 30.7090 220.9000 221.2000
G2-J3 50.9940 51.5170 49.4540 49.6120
D0-J3 81.1940 82.0190 46.2690 46.4810
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 59941.0141956
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD16646
HIERARCH ESO INS SOBJ NAME HD16646
RA 40.137854
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 67.731
HIERARCH ESO ISS PBL12 END 67.881
HIERARCH ESO ISS PBLA12 START 274.2
HIERARCH ESO ISS PBLA12 END 273.8
HIERARCH ESO ISS PBL13 START 89.32
HIERARCH ESO ISS PBL13 END 89.91
HIERARCH ESO ISS PBLA13 START 258.3
HIERARCH ESO ISS PBLA13 END 258.1
HIERARCH ESO ISS PBL14 START 47.733
HIERARCH ESO ISS PBL14 END 47.41
HIERARCH ESO ISS PBLA14 START 322.882
HIERARCH ESO ISS PBLA14 END 323.058
HIERARCH ESO ISS PBL23 START 30.411
HIERARCH ESO ISS PBL23 END 30.709
HIERARCH ESO ISS PBLA23 START 220.9
HIERARCH ESO ISS PBLA23 END 221.2
HIERARCH ESO ISS PBL24 START 50.994
HIERARCH ESO ISS PBL24 END 51.517
HIERARCH ESO ISS PBLA24 START 49.454
HIERARCH ESO ISS PBLA24 END 49.612
HIERARCH ESO ISS PBL34 START 81.194
HIERARCH ESO ISS PBL34 END 82.019
HIERARCH ESO ISS PBLA34 START 46.269
HIERARCH ESO ISS PBLA34 END 46.481
HIERARCH ESO ISS AMBI TAU0 START 0.001806
HIERARCH ESO ISS AMBI TAU0 END 0.001806
HIERARCH ESO ISS AMBI TEMP 13.04
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.6