Exposure
ID
GRAVI.2021-11-24T02:47:06.952_1
Header ID
GRAVI.2021-11-24T02:47:06.952
Date updated
2021-11-24 03:00:41 UTC+0000
Release date
2022-11-24 03:00:41 UTC+0000
UTC Start
2021-11-24 02:47:06.952
UTC End
2021-11-24 02:51:06.952
MJD Start
59542.11605269
MJD End
59542.1188304678
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005437
Ambient temperature (°C)
14.34
Seeing (arcsec)
0.58
Observation
ID
48767
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
36525
Name
HD16646
RA
40.137858
DEC
18.5999
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 68.1480 68.2290 273.0000 272.7000
K0-D0 91.1670 91.6680 257.5000 257.2000
K0-J3 46.6530 46.3170 323.5170 323.7380
G2-D0 31.3860 31.6750 221.8000 222.1000
G2-J3 52.6930 53.1890 49.9170 50.0270
D0-J3 83.8850 84.6730 46.9050 47.0650
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 59542.11605269
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD16646
HIERARCH ESO INS SOBJ NAME HD16646
RA 40.137858
DEC 18.5999
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 68.148
HIERARCH ESO ISS PBL12 END 68.229
HIERARCH ESO ISS PBLA12 START 273.0
HIERARCH ESO ISS PBLA12 END 272.7
HIERARCH ESO ISS PBL13 START 91.167
HIERARCH ESO ISS PBL13 END 91.668
HIERARCH ESO ISS PBLA13 START 257.5
HIERARCH ESO ISS PBLA13 END 257.2
HIERARCH ESO ISS PBL14 START 46.653
HIERARCH ESO ISS PBL14 END 46.317
HIERARCH ESO ISS PBLA14 START 323.517
HIERARCH ESO ISS PBLA14 END 323.738
HIERARCH ESO ISS PBL23 START 31.386
HIERARCH ESO ISS PBL23 END 31.675
HIERARCH ESO ISS PBLA23 START 221.8
HIERARCH ESO ISS PBLA23 END 222.1
HIERARCH ESO ISS PBL24 START 52.693
HIERARCH ESO ISS PBL24 END 53.189
HIERARCH ESO ISS PBLA24 START 49.917
HIERARCH ESO ISS PBLA24 END 50.027
HIERARCH ESO ISS PBL34 START 83.885
HIERARCH ESO ISS PBL34 END 84.673
HIERARCH ESO ISS PBLA34 START 46.905
HIERARCH ESO ISS PBLA34 END 47.065
HIERARCH ESO ISS AMBI TAU0 START 0.005111
HIERARCH ESO ISS AMBI TAU0 END 0.005763
HIERARCH ESO ISS AMBI TEMP 14.34
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.6