Exposure
ID
GRAVI.2024-12-28T01:31:34.564_1
Header ID
GRAVI.2024-12-28T01:31:34.564
Date updated
2024-12-28 01:45:34 UTC+0000
Release date
2025-12-28 01:45:34 UTC+0000
UTC Start
2024-12-28 01:31:34.564
UTC End
2024-12-28 01:35:34.564
MJD Start
60672.06359449
MJD End
60672.06637226778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003129
Ambient temperature (°C)
11.66
Seeing (arcsec)
1.37
Observation
ID
62978
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
46900
Name
HD_9939
RA
24.350789
DEC
25.16661
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 67.8920 66.8870 99.9000 99.6000
A0-J2 117.5860 116.6770 80.7000 80.2000
A0-K0 127.0350 126.7790 67.2350 66.7290
G1-J2 57.8950 57.9780 58.1000 57.7000
G1-K0 78.8860 79.3580 39.5660 39.5230
J2-K0 30.2640 30.2910 2.0440 2.8020
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 60672.06359449
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD9939
HIERARCH ESO INS SOBJ NAME HD_9939
RA 24.350789
DEC 25.16661
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 K0
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 67.892
HIERARCH ESO ISS PBL12 END 66.887
HIERARCH ESO ISS PBLA12 START 99.9
HIERARCH ESO ISS PBLA12 END 99.6
HIERARCH ESO ISS PBL13 START 117.586
HIERARCH ESO ISS PBL13 END 116.677
HIERARCH ESO ISS PBLA13 START 80.7
HIERARCH ESO ISS PBLA13 END 80.2
HIERARCH ESO ISS PBL14 START 127.035
HIERARCH ESO ISS PBL14 END 126.779
HIERARCH ESO ISS PBLA14 START 67.235
HIERARCH ESO ISS PBLA14 END 66.729
HIERARCH ESO ISS PBL23 START 57.895
HIERARCH ESO ISS PBL23 END 57.978
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 57.7
HIERARCH ESO ISS PBL24 START 78.886
HIERARCH ESO ISS PBL24 END 79.358
HIERARCH ESO ISS PBLA24 START 39.566
HIERARCH ESO ISS PBLA24 END 39.523
HIERARCH ESO ISS PBL34 START 30.264
HIERARCH ESO ISS PBL34 END 30.291
HIERARCH ESO ISS PBLA34 START 2.044
HIERARCH ESO ISS PBLA34 END 2.802
HIERARCH ESO ISS AMBI TAU0 START 0.002954
HIERARCH ESO ISS AMBI TAU0 END 0.003304
HIERARCH ESO ISS AMBI TEMP 11.66
HIERARCH ESO ISS AMBI FWHM START 1.45
HIERARCH ESO ISS AMBI FWHM END 1.29