Exposure
ID
GRAVI.2023-05-23T01:29:39.102_1
Header ID
GRAVI.2023-05-23T01:29:39.102
Date updated
2023-05-23 01:40:48 UTC+0000
Release date
2024-05-23 01:40:48 UTC+0000
UTC Start
2023-05-23 01:29:39.102
UTC End
2023-05-23 01:33:39.102
MJD Start
60087.06225812
MJD End
60087.0650358978
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005373
Ambient temperature (°C)
13.46
Seeing (arcsec)
0.71
Observation
ID
55537
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
41135
Name
HD98031
RA
169.145957
DEC
12.46294
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 72.9400 72.0200 110.2000 110.3000
A0-J2 117.9450 116.9720 87.3000 87.0000
A0-K0 125.9940 125.5950 69.7460 69.4520
G1-J2 58.2220 58.2260 58.0000 57.8000
G1-K0 84.9600 85.2850 35.8600 35.9360
J2-K0 38.0110 38.0190 0.5840 1.1850
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 60087.06225812
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD98031
HIERARCH ESO INS SOBJ NAME HD98031
RA 169.145957
DEC 12.46294
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 72.94
HIERARCH ESO ISS PBL12 END 72.02
HIERARCH ESO ISS PBLA12 START 110.2
HIERARCH ESO ISS PBLA12 END 110.3
HIERARCH ESO ISS PBL13 START 117.945
HIERARCH ESO ISS PBL13 END 116.972
HIERARCH ESO ISS PBLA13 START 87.3
HIERARCH ESO ISS PBLA13 END 87.0
HIERARCH ESO ISS PBL14 START 125.994
HIERARCH ESO ISS PBL14 END 125.595
HIERARCH ESO ISS PBLA14 START 69.746
HIERARCH ESO ISS PBLA14 END 69.452
HIERARCH ESO ISS PBL23 START 58.222
HIERARCH ESO ISS PBL23 END 58.226
HIERARCH ESO ISS PBLA23 START 58.0
HIERARCH ESO ISS PBLA23 END 57.8
HIERARCH ESO ISS PBL24 START 84.96
HIERARCH ESO ISS PBL24 END 85.285
HIERARCH ESO ISS PBLA24 START 35.86
HIERARCH ESO ISS PBLA24 END 35.936
HIERARCH ESO ISS PBL34 START 38.011
HIERARCH ESO ISS PBL34 END 38.019
HIERARCH ESO ISS PBLA34 START 0.584
HIERARCH ESO ISS PBLA34 END 1.185
HIERARCH ESO ISS AMBI TAU0 START 0.00614
HIERARCH ESO ISS AMBI TAU0 END 0.004606
HIERARCH ESO ISS AMBI TEMP 13.46
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.66