Exposure
ID
GRAVI.2024-10-21T06:46:47.780_1
Header ID
GRAVI.2024-10-21T06:46:47.780
Date updated
2024-10-21 07:56:26 UTC+0000
Release date
2025-10-21 07:56:26 UTC+0000
UTC Start
2024-10-21 06:46:47.780
UTC End
2024-10-21 06:50:47.780
MJD Start
60604.28249745
MJD End
60604.2852752278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0123075
Ambient temperature (°C)
12.27
Seeing (arcsec)
0.435
Observation
ID
61087
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
45443
Name
HD16646
RA
40.135507
DEC
18.59992
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 72.7530 71.8450 105.9000 105.7000
A0-J2 119.9640 119.1160 85.1000 84.8000
A0-K0 127.2490 127.0100 69.5070 69.1280
G1-J2 57.9420 58.0210 58.8000 58.5000
G1-K0 81.0800 81.4990 37.3660 37.4130
J2-K0 34.4070 34.4050 359.4280 0.0820
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 60604.28249745
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD16646
HIERARCH ESO INS SOBJ NAME HD16646
RA 40.135507
DEC 18.59992
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 K0
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 72.753
HIERARCH ESO ISS PBL12 END 71.845
HIERARCH ESO ISS PBLA12 START 105.9
HIERARCH ESO ISS PBLA12 END 105.7
HIERARCH ESO ISS PBL13 START 119.964
HIERARCH ESO ISS PBL13 END 119.116
HIERARCH ESO ISS PBLA13 START 85.1
HIERARCH ESO ISS PBLA13 END 84.8
HIERARCH ESO ISS PBL14 START 127.249
HIERARCH ESO ISS PBL14 END 127.01
HIERARCH ESO ISS PBLA14 START 69.507
HIERARCH ESO ISS PBLA14 END 69.128
HIERARCH ESO ISS PBL23 START 57.942
HIERARCH ESO ISS PBL23 END 58.021
HIERARCH ESO ISS PBLA23 START 58.8
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 81.08
HIERARCH ESO ISS PBL24 END 81.499
HIERARCH ESO ISS PBLA24 START 37.366
HIERARCH ESO ISS PBLA24 END 37.413
HIERARCH ESO ISS PBL34 START 34.407
HIERARCH ESO ISS PBL34 END 34.405
HIERARCH ESO ISS PBLA34 START 359.428
HIERARCH ESO ISS PBLA34 END 0.082
HIERARCH ESO ISS AMBI TAU0 START 0.011476
HIERARCH ESO ISS AMBI TAU0 END 0.013139
HIERARCH ESO ISS AMBI TEMP 12.27
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.45