Exposure
ID
GRAVI.2024-08-26T07:19:36.664_1
Header ID
GRAVI.2024-08-26T07:19:36.664
Date updated
2024-08-26 07:30:46 UTC+0000
Release date
2025-08-26 07:30:46 UTC+0000
UTC Start
2024-08-26 07:19:36.664
UTC End
2024-08-26 07:23:36.664
MJD Start
60548.30528546
MJD End
60548.3080632378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0083615
Ambient temperature (°C)
12.74
Seeing (arcsec)
0.455
Observation
ID
60426
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
44877
Name
HD_9939
RA
24.353271
DEC
25.16663
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 67.6900 67.8380 275.4000 274.9000
K0-D0 88.0650 88.6820 261.3000 260.9000
K0-J3 45.1150 44.7460 319.9100 320.0210
G2-D0 27.8440 28.1800 224.9000 225.1000
G2-J3 47.5620 48.1440 53.7130 53.7750
D0-J3 75.1990 76.1230 50.4640 50.5920
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 60548.30528546
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD9939
HIERARCH ESO INS SOBJ NAME HD_9939
RA 24.353271
DEC 25.16663
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 67.69
HIERARCH ESO ISS PBL12 END 67.838
HIERARCH ESO ISS PBLA12 START 275.4
HIERARCH ESO ISS PBLA12 END 274.9
HIERARCH ESO ISS PBL13 START 88.065
HIERARCH ESO ISS PBL13 END 88.682
HIERARCH ESO ISS PBLA13 START 261.3
HIERARCH ESO ISS PBLA13 END 260.9
HIERARCH ESO ISS PBL14 START 45.115
HIERARCH ESO ISS PBL14 END 44.746
HIERARCH ESO ISS PBLA14 START 319.91
HIERARCH ESO ISS PBLA14 END 320.021
HIERARCH ESO ISS PBL23 START 27.844
HIERARCH ESO ISS PBL23 END 28.18
HIERARCH ESO ISS PBLA23 START 224.9
HIERARCH ESO ISS PBLA23 END 225.1
HIERARCH ESO ISS PBL24 START 47.562
HIERARCH ESO ISS PBL24 END 48.144
HIERARCH ESO ISS PBLA24 START 53.713
HIERARCH ESO ISS PBLA24 END 53.775
HIERARCH ESO ISS PBL34 START 75.199
HIERARCH ESO ISS PBL34 END 76.123
HIERARCH ESO ISS PBLA34 START 50.464
HIERARCH ESO ISS PBLA34 END 50.592
HIERARCH ESO ISS AMBI TAU0 START 0.008437
HIERARCH ESO ISS AMBI TAU0 END 0.008286
HIERARCH ESO ISS AMBI TEMP 12.74
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.52