Exposure
ID
GRAVI.2022-12-21T03:31:34.888_1
Header ID
GRAVI.2022-12-21T03:31:34.888
Date updated
2022-12-21 03:42:11 UTC+0000
Release date
2023-12-21 03:42:11 UTC+0000
UTC Start
2022-12-21 03:31:34.888
UTC End
2022-12-21 03:35:34.888
MJD Start
59934.14693157
MJD End
59934.1497093478
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.007865
Ambient temperature (°C)
14.38
Seeing (arcsec)
0.835
Observation
ID
53237
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
39595
Name
HD285970
RA
70.756509
DEC
18.71116
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 68.3010 68.2460 270.8000 270.5000
K0-D0 93.9150 94.2380 255.7000 255.4000
K0-J3 44.4010 44.0490 325.1820 325.5000
G2-D0 33.1780 33.4440 223.2000 223.3000
G2-J3 55.7150 56.1490 50.4260 50.4530
D0-J3 88.7260 89.4300 47.7200 47.7900
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 59934.14693157
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD285970
HIERARCH ESO INS SOBJ NAME HD285970
RA 70.756509
DEC 18.71116
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 68.301
HIERARCH ESO ISS PBL12 END 68.246
HIERARCH ESO ISS PBLA12 START 270.8
HIERARCH ESO ISS PBLA12 END 270.5
HIERARCH ESO ISS PBL13 START 93.915
HIERARCH ESO ISS PBL13 END 94.238
HIERARCH ESO ISS PBLA13 START 255.7
HIERARCH ESO ISS PBLA13 END 255.4
HIERARCH ESO ISS PBL14 START 44.401
HIERARCH ESO ISS PBL14 END 44.049
HIERARCH ESO ISS PBLA14 START 325.182
HIERARCH ESO ISS PBLA14 END 325.5
HIERARCH ESO ISS PBL23 START 33.178
HIERARCH ESO ISS PBL23 END 33.444
HIERARCH ESO ISS PBLA23 START 223.2
HIERARCH ESO ISS PBLA23 END 223.3
HIERARCH ESO ISS PBL24 START 55.715
HIERARCH ESO ISS PBL24 END 56.149
HIERARCH ESO ISS PBLA24 START 50.426
HIERARCH ESO ISS PBLA24 END 50.453
HIERARCH ESO ISS PBL34 START 88.726
HIERARCH ESO ISS PBL34 END 89.43
HIERARCH ESO ISS PBLA34 START 47.72
HIERARCH ESO ISS PBLA34 END 47.79
HIERARCH ESO ISS AMBI TAU0 START 0.00829
HIERARCH ESO ISS AMBI TAU0 END 0.00744
HIERARCH ESO ISS AMBI TEMP 14.38
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.87