Exposure
ID
GRAVI.2024-11-08T02:27:22.087_1
Header ID
GRAVI.2024-11-08T02:27:22.087
Date updated
2024-11-08 02:40:44 UTC+0000
Release date
2025-11-08 02:40:44 UTC+0000
UTC Start
2024-11-08 02:27:22.087
UTC End
2024-11-08 02:31:22.087
MJD Start
60622.10233897
MJD End
60622.10511674778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005882
Ambient temperature (°C)
14.76
Seeing (arcsec)
0.625
Observation
ID
61434
Category
science
Program ID
113.26BP.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART IV
Program Type
Normal
PI / COI
GALLENNE / PIETRZYNSKI / KERVELLA / MÉRAND / GIEREN / GRACZYK
Target
ID
45652
Name
HD_9939
RA
24.353256
DEC
25.16662
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.6410 67.7940 275.5000 275.1000
K0-D0 87.8710 88.4950 261.4000 261.0000
K0-J3 45.2260 44.8580 319.8790 319.9830
G2-D0 27.7390 28.0760 224.8000 225.1000
G2-J3 47.3810 47.9650 53.6950 53.7590
D0-J3 74.9110 75.8390 50.4260 50.5560
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BP.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60622.10233897
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD9939
HIERARCH ESO INS SOBJ NAME HD_9939
RA 24.353256
DEC 25.16662
HIERARCH ESO INS SPEC RES HIGH
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 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 67.641
HIERARCH ESO ISS PBL12 END 67.794
HIERARCH ESO ISS PBLA12 START 275.5
HIERARCH ESO ISS PBLA12 END 275.1
HIERARCH ESO ISS PBL13 START 87.871
HIERARCH ESO ISS PBL13 END 88.495
HIERARCH ESO ISS PBLA13 START 261.4
HIERARCH ESO ISS PBLA13 END 261.0
HIERARCH ESO ISS PBL14 START 45.226
HIERARCH ESO ISS PBL14 END 44.858
HIERARCH ESO ISS PBLA14 START 319.879
HIERARCH ESO ISS PBLA14 END 319.983
HIERARCH ESO ISS PBL23 START 27.739
HIERARCH ESO ISS PBL23 END 28.076
HIERARCH ESO ISS PBLA23 START 224.8
HIERARCH ESO ISS PBLA23 END 225.1
HIERARCH ESO ISS PBL24 START 47.381
HIERARCH ESO ISS PBL24 END 47.965
HIERARCH ESO ISS PBLA24 START 53.695
HIERARCH ESO ISS PBLA24 END 53.759
HIERARCH ESO ISS PBL34 START 74.911
HIERARCH ESO ISS PBL34 END 75.839
HIERARCH ESO ISS PBLA34 START 50.426
HIERARCH ESO ISS PBLA34 END 50.556
HIERARCH ESO ISS AMBI TAU0 START 0.005913
HIERARCH ESO ISS AMBI TAU0 END 0.005851
HIERARCH ESO ISS AMBI TEMP 14.76
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.57