Exposure
ID
GRAVI.2023-01-24T08:29:01.011_1
Header ID
GRAVI.2023-01-24T08:29:01.011
Date updated
2023-01-24 08:41:02 UTC+0000
Release date
2024-01-24 08:41:02 UTC+0000
UTC Start
2023-01-24 08:29:01.011
UTC End
2023-01-24 08:33:01.011
MJD Start
59968.35348392
MJD End
59968.3562616978
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0112095
Ambient temperature (°C)
13.05
Seeing (arcsec)
0.695
Observation
ID
53988
Category
science
Program ID
110.23QY.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GIEREN/ KERVELLA/ MÉRAND/ GRACZYK
Target
ID
40127
Name
HD98031
RA
169.147106
DEC
12.46293
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 81.9190 81.2490 110.4000 110.3000
A0-J2 126.2910 125.7700 90.0000 89.7000
A0-J3 127.0970 127.6210 52.4570 52.4100
G1-J2 57.1700 57.3370 60.0000 59.9000
G1-J3 108.6640 108.9730 12.7480 13.2250
J2-J3 81.4840 81.1200 341.7460 342.3100
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.23QY.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59968.35348392
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_98031
HIERARCH ESO INS SOBJ NAME HD98031
RA 169.147106
DEC 12.46293
HIERARCH ESO INS SPEC RES HIGH
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 J3
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 81.919
HIERARCH ESO ISS PBL12 END 81.249
HIERARCH ESO ISS PBLA12 START 110.4
HIERARCH ESO ISS PBLA12 END 110.3
HIERARCH ESO ISS PBL13 START 126.291
HIERARCH ESO ISS PBL13 END 125.77
HIERARCH ESO ISS PBLA13 START 90.0
HIERARCH ESO ISS PBLA13 END 89.7
HIERARCH ESO ISS PBL14 START 127.097
HIERARCH ESO ISS PBL14 END 127.621
HIERARCH ESO ISS PBLA14 START 52.457
HIERARCH ESO ISS PBLA14 END 52.41
HIERARCH ESO ISS PBL23 START 57.17
HIERARCH ESO ISS PBL23 END 57.337
HIERARCH ESO ISS PBLA23 START 60.0
HIERARCH ESO ISS PBLA23 END 59.9
HIERARCH ESO ISS PBL24 START 108.664
HIERARCH ESO ISS PBL24 END 108.973
HIERARCH ESO ISS PBLA24 START 12.748
HIERARCH ESO ISS PBLA24 END 13.225
HIERARCH ESO ISS PBL34 START 81.484
HIERARCH ESO ISS PBL34 END 81.12
HIERARCH ESO ISS PBLA34 START 341.746
HIERARCH ESO ISS PBLA34 END 342.31
HIERARCH ESO ISS AMBI TAU0 START 0.013582
HIERARCH ESO ISS AMBI TAU0 END 0.008837
HIERARCH ESO ISS AMBI TEMP 13.05
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.83