Exposure
ID
GRAVI.2023-09-10T03:56:13.504_1
Header ID
GRAVI.2023-09-10T03:56:13.504
Date updated
2023-09-10 04:15:25 UTC+0000
Release date
2023-09-10 03:56:13 UTC+0000
UTC Start
2023-09-10 03:56:13.504
UTC End
2023-09-10 04:00:29.504
MJD Start
60197.16404519
MJD End
60197.16700815297
Exposure time (s)
256.0
Validation level
1
Tau 0: Coherence time (s)
0.0025285000000000004
Ambient temperature (°C)
13.42
Seeing (arcsec)
1.185
Observation
ID
56955
Category
calibrator
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
42224
Name
HD186031
RA
295.838792
DEC
-33.64659
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 83.4050 82.6380 143.1000 145.2000
A0-J2 108.9580 106.7230 119.2000 121.2000
A0-K0 102.4560 99.6100 93.0860 94.5760
G1-J2 47.0170 45.7910 73.2000 74.2000
G1-K0 80.3810 79.3730 40.4790 41.0230
J2-K0 48.1140 48.0720 8.5600 9.6280
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.262Q.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60197.16404519
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 186031
HIERARCH ESO INS SOBJ NAME HD186031
RA 295.838792
DEC -33.64659
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 593.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 256
HIERARCH ESO ISS PBL12 START 83.405
HIERARCH ESO ISS PBL12 END 82.638
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 145.2
HIERARCH ESO ISS PBL13 START 108.958
HIERARCH ESO ISS PBL13 END 106.723
HIERARCH ESO ISS PBLA13 START 119.2
HIERARCH ESO ISS PBLA13 END 121.2
HIERARCH ESO ISS PBL14 START 102.456
HIERARCH ESO ISS PBL14 END 99.61
HIERARCH ESO ISS PBLA14 START 93.086
HIERARCH ESO ISS PBLA14 END 94.576
HIERARCH ESO ISS PBL23 START 47.017
HIERARCH ESO ISS PBL23 END 45.791
HIERARCH ESO ISS PBLA23 START 73.2
HIERARCH ESO ISS PBLA23 END 74.2
HIERARCH ESO ISS PBL24 START 80.381
HIERARCH ESO ISS PBL24 END 79.373
HIERARCH ESO ISS PBLA24 START 40.479
HIERARCH ESO ISS PBLA24 END 41.023
HIERARCH ESO ISS PBL34 START 48.114
HIERARCH ESO ISS PBL34 END 48.072
HIERARCH ESO ISS PBLA34 START 8.56
HIERARCH ESO ISS PBLA34 END 9.628
HIERARCH ESO ISS AMBI TAU0 START 0.002524
HIERARCH ESO ISS AMBI TAU0 END 0.002533
HIERARCH ESO ISS AMBI TEMP 13.42
HIERARCH ESO ISS AMBI FWHM START 1.26
HIERARCH ESO ISS AMBI FWHM END 1.11