Exposure
ID
GRAVI.2023-09-12T03:27:59.683_1
Header ID
GRAVI.2023-09-12T03:27:59.683
Date updated
2023-09-12 03:45:55 UTC+0000
Release date
2024-09-12 03:45:55 UTC+0000
UTC Start
2023-09-12 03:27:59.683
UTC End
2023-09-12 03:32:15.683
MJD Start
60199.14444078
MJD End
60199.147403742965
Exposure time (s)
256.0
Validation level
1
Tau 0: Coherence time (s)
0.0027365000000000002
Ambient temperature (°C)
10.32
Seeing (arcsec)
0.74
Observation
ID
56964
Category
science
Program ID
112.262Q.001
Program Title
MEASURING DYNAMICAL MASSES AND PRECISION AGES FOR GAIA BINARIES ON THE RED GIANT BRANCH
Program Type
Normal
PI / COI
LU/ KRAUS/ GARDNER/ IRELAND/ CASAGRANDE
Target
ID
42232
Name
HD173576
RA
282.029368
DEC
-43.57314
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.0630 85.8350 152.6000 153.9000
A0-J2 109.3170 108.4070 132.2000 133.7000
A0-K0 95.5040 94.0450 107.5380 108.8000
G1-J2 41.4290 40.6930 86.0000 86.9000
G1-K0 70.1260 69.3680 47.2210 47.6220
J2-K0 45.8500 45.7840 12.7800 13.3970
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.262Q.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60199.14444078
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 173576
HIERARCH ESO INS SOBJ NAME HD173576
RA 282.029368
DEC -43.57314
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE SPLIT
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 337.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 256
HIERARCH ESO ISS PBL12 START 86.063
HIERARCH ESO ISS PBL12 END 85.835
HIERARCH ESO ISS PBLA12 START 152.6
HIERARCH ESO ISS PBLA12 END 153.9
HIERARCH ESO ISS PBL13 START 109.317
HIERARCH ESO ISS PBL13 END 108.407
HIERARCH ESO ISS PBLA13 START 132.2
HIERARCH ESO ISS PBLA13 END 133.7
HIERARCH ESO ISS PBL14 START 95.504
HIERARCH ESO ISS PBL14 END 94.045
HIERARCH ESO ISS PBLA14 START 107.538
HIERARCH ESO ISS PBLA14 END 108.8
HIERARCH ESO ISS PBL23 START 41.429
HIERARCH ESO ISS PBL23 END 40.693
HIERARCH ESO ISS PBLA23 START 86.0
HIERARCH ESO ISS PBLA23 END 86.9
HIERARCH ESO ISS PBL24 START 70.126
HIERARCH ESO ISS PBL24 END 69.368
HIERARCH ESO ISS PBLA24 START 47.221
HIERARCH ESO ISS PBLA24 END 47.622
HIERARCH ESO ISS PBL34 START 45.85
HIERARCH ESO ISS PBL34 END 45.784
HIERARCH ESO ISS PBLA34 START 12.78
HIERARCH ESO ISS PBLA34 END 13.397
HIERARCH ESO ISS AMBI TAU0 START 0.003139
HIERARCH ESO ISS AMBI TAU0 END 0.002334
HIERARCH ESO ISS AMBI TEMP 10.32
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.73