Exposure
ID
GRAVI.2023-08-27T04:20:36.239_1
Header ID
GRAVI.2023-08-27T04:20:36.239
Date updated
2023-08-27 04:45:35 UTC+0000
Release date
2024-08-27 04:45:35 UTC+0000
UTC Start
2023-08-27 04:20:36.239
UTC End
2023-08-27 04:24:52.239
MJD Start
60183.18097499
MJD End
60183.18393795296
Exposure time (s)
256.0
Validation level
1
Tau 0: Coherence time (s)
0.0051805
Ambient temperature (°C)
14.75
Seeing (arcsec)
0.525
Observation
ID
56786
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
42084
Name
HD_184438
RA
293.932625
DEC
-32.82307
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 84.8220 84.0400 138.2000 140.2000
A0-J2 113.4840 111.3680 114.3000 116.1000
A0-K0 108.5300 105.9670 89.2970 90.6490
G1-J2 49.7510 48.6710 70.6000 71.5000
G1-K0 82.9050 82.0420 38.8440 39.4610
J2-K0 48.2790 48.2530 6.0430 7.1320
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 60183.18097499
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 184438
HIERARCH ESO INS SOBJ NAME HD_184438
RA 293.932625
DEC -32.82307
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 84.822
HIERARCH ESO ISS PBL12 END 84.04
HIERARCH ESO ISS PBLA12 START 138.2
HIERARCH ESO ISS PBLA12 END 140.2
HIERARCH ESO ISS PBL13 START 113.484
HIERARCH ESO ISS PBL13 END 111.368
HIERARCH ESO ISS PBLA13 START 114.3
HIERARCH ESO ISS PBLA13 END 116.1
HIERARCH ESO ISS PBL14 START 108.53
HIERARCH ESO ISS PBL14 END 105.967
HIERARCH ESO ISS PBLA14 START 89.297
HIERARCH ESO ISS PBLA14 END 90.649
HIERARCH ESO ISS PBL23 START 49.751
HIERARCH ESO ISS PBL23 END 48.671
HIERARCH ESO ISS PBLA23 START 70.6
HIERARCH ESO ISS PBLA23 END 71.5
HIERARCH ESO ISS PBL24 START 82.905
HIERARCH ESO ISS PBL24 END 82.042
HIERARCH ESO ISS PBLA24 START 38.844
HIERARCH ESO ISS PBLA24 END 39.461
HIERARCH ESO ISS PBL34 START 48.279
HIERARCH ESO ISS PBL34 END 48.253
HIERARCH ESO ISS PBLA34 START 6.043
HIERARCH ESO ISS PBLA34 END 7.132
HIERARCH ESO ISS AMBI TAU0 START 0.005334
HIERARCH ESO ISS AMBI TAU0 END 0.005027
HIERARCH ESO ISS AMBI TEMP 14.75
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.56