Exposure
ID
GRAVI.2023-09-24T02:18:14.846_1
Header ID
GRAVI.2023-09-24T02:18:14.846
Date updated
2023-09-24 02:35:34 UTC+0000
Release date
2024-09-24 02:35:34 UTC+0000
UTC Start
2023-09-24 02:18:14.846
UTC End
2023-09-24 02:22:30.846
MJD Start
60211.09600516
MJD End
60211.09896812296
Exposure time (s)
256.0
Validation level
1
Tau 0: Coherence time (s)
0.0037035
Ambient temperature (°C)
17.55
Seeing (arcsec)
0.725
Observation
ID
57083
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
42319
Name
HD173576
RA
282.029333
DEC
-43.57312
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2950 25.2960 168.3000 169.2000
A0-D0 25.2950 24.9510 102.8000 103.9000
A0-C1 21.7490 21.6900 147.6260 148.8520
B2-D0 27.3740 27.1150 45.5000 46.0000
B2-C1 9.1200 9.0340 45.4690 45.9110
D0-C1 18.2540 18.0810 225.5430 225.9850
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 60211.09600516
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 173576
HIERARCH ESO INS SOBJ NAME HD173576
RA 282.029333
DEC -43.57312
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 337.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 256
HIERARCH ESO ISS PBL12 START 25.295
HIERARCH ESO ISS PBL12 END 25.296
HIERARCH ESO ISS PBLA12 START 168.3
HIERARCH ESO ISS PBLA12 END 169.2
HIERARCH ESO ISS PBL13 START 25.295
HIERARCH ESO ISS PBL13 END 24.951
HIERARCH ESO ISS PBLA13 START 102.8
HIERARCH ESO ISS PBLA13 END 103.9
HIERARCH ESO ISS PBL14 START 21.749
HIERARCH ESO ISS PBL14 END 21.69
HIERARCH ESO ISS PBLA14 START 147.626
HIERARCH ESO ISS PBLA14 END 148.852
HIERARCH ESO ISS PBL23 START 27.374
HIERARCH ESO ISS PBL23 END 27.115
HIERARCH ESO ISS PBLA23 START 45.5
HIERARCH ESO ISS PBLA23 END 46.0
HIERARCH ESO ISS PBL24 START 9.12
HIERARCH ESO ISS PBL24 END 9.034
HIERARCH ESO ISS PBLA24 START 45.469
HIERARCH ESO ISS PBLA24 END 45.911
HIERARCH ESO ISS PBL34 START 18.254
HIERARCH ESO ISS PBL34 END 18.081
HIERARCH ESO ISS PBLA34 START 225.543
HIERARCH ESO ISS PBLA34 END 225.985
HIERARCH ESO ISS AMBI TAU0 START 0.004516
HIERARCH ESO ISS AMBI TAU0 END 0.002891
HIERARCH ESO ISS AMBI TEMP 17.55
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.82