Exposure
ID
GRAVI.2022-05-17T01:13:22.102_1
Header ID
GRAVI.2022-05-17T01:13:22.102
Date updated
2022-05-17 01:25:54 UTC+0000
Release date
2023-05-17 01:25:54 UTC+0000
UTC Start
2022-05-17 01:13:22.102
UTC End
2022-05-17 01:17:22.102
MJD Start
59716.05095026
MJD End
59716.0537280378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0030215
Ambient temperature (°C)
11.91
Seeing (arcsec)
0.925
Observation
ID
50913
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
37966
Name
HD98031
RA
169.147118
DEC
12.46292
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 80.3670 79.6490 110.3000 110.2000
A0-J2 125.0520 124.4420 89.5000 89.2000
A0-J3 128.2410 128.7010 52.3370 52.2690
G1-J2 57.5270 57.6610 59.7000 59.5000
G1-J3 109.3690 109.6950 13.8170 14.2730
J2-J3 80.6650 80.3240 343.0360 343.6220
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 59716.05095026
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD98031
HIERARCH ESO INS SOBJ NAME HD98031
RA 169.147118
DEC 12.46292
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 J3
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 80.367
HIERARCH ESO ISS PBL12 END 79.649
HIERARCH ESO ISS PBLA12 START 110.3
HIERARCH ESO ISS PBLA12 END 110.2
HIERARCH ESO ISS PBL13 START 125.052
HIERARCH ESO ISS PBL13 END 124.442
HIERARCH ESO ISS PBLA13 START 89.5
HIERARCH ESO ISS PBLA13 END 89.2
HIERARCH ESO ISS PBL14 START 128.241
HIERARCH ESO ISS PBL14 END 128.701
HIERARCH ESO ISS PBLA14 START 52.337
HIERARCH ESO ISS PBLA14 END 52.269
HIERARCH ESO ISS PBL23 START 57.527
HIERARCH ESO ISS PBL23 END 57.661
HIERARCH ESO ISS PBLA23 START 59.7
HIERARCH ESO ISS PBLA23 END 59.5
HIERARCH ESO ISS PBL24 START 109.369
HIERARCH ESO ISS PBL24 END 109.695
HIERARCH ESO ISS PBLA24 START 13.817
HIERARCH ESO ISS PBLA24 END 14.273
HIERARCH ESO ISS PBL34 START 80.665
HIERARCH ESO ISS PBL34 END 80.324
HIERARCH ESO ISS PBLA34 START 343.036
HIERARCH ESO ISS PBLA34 END 343.622
HIERARCH ESO ISS AMBI TAU0 START 0.003327
HIERARCH ESO ISS AMBI TAU0 END 0.002716
HIERARCH ESO ISS AMBI TEMP 11.91
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 1.01