Exposure
ID
GRAVI.2023-09-09T03:07:53.197_1
Header ID
GRAVI.2023-09-09T03:07:53.197
Date updated
2023-09-09 03:30:36 UTC+0000
Release date
2024-09-09 03:30:36 UTC+0000
UTC Start
2023-09-09 03:07:53.197
UTC End
2023-09-09 03:12:09.197
MJD Start
60196.13047682
MJD End
60196.13343978296
Exposure time (s)
256.0
Validation level
1
Tau 0: Coherence time (s)
0.0019325
Ambient temperature (°C)
11.64
Seeing (arcsec)
1.155
Observation
ID
56931
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
42202
Name
HD_184438
RA
293.932521
DEC
-32.82306
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 86.4290 85.7050 134.2000 136.0000
A0-J2 117.7150 115.8250 110.5000 112.2000
A0-K0 113.5650 111.3290 86.4620 87.7560
G1-J2 51.8630 50.9270 68.5000 69.5000
G1-K0 84.5820 83.8390 37.3750 38.0750
J2-K0 48.3180 48.3020 3.6590 4.7630
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 60196.13047682
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 184438
HIERARCH ESO INS SOBJ NAME HD_184438
RA 293.932521
DEC -32.82306
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 86.429
HIERARCH ESO ISS PBL12 END 85.705
HIERARCH ESO ISS PBLA12 START 134.2
HIERARCH ESO ISS PBLA12 END 136.0
HIERARCH ESO ISS PBL13 START 117.715
HIERARCH ESO ISS PBL13 END 115.825
HIERARCH ESO ISS PBLA13 START 110.5
HIERARCH ESO ISS PBLA13 END 112.2
HIERARCH ESO ISS PBL14 START 113.565
HIERARCH ESO ISS PBL14 END 111.329
HIERARCH ESO ISS PBLA14 START 86.462
HIERARCH ESO ISS PBLA14 END 87.756
HIERARCH ESO ISS PBL23 START 51.863
HIERARCH ESO ISS PBL23 END 50.927
HIERARCH ESO ISS PBLA23 START 68.5
HIERARCH ESO ISS PBLA23 END 69.5
HIERARCH ESO ISS PBL24 START 84.582
HIERARCH ESO ISS PBL24 END 83.839
HIERARCH ESO ISS PBLA24 START 37.375
HIERARCH ESO ISS PBLA24 END 38.075
HIERARCH ESO ISS PBL34 START 48.318
HIERARCH ESO ISS PBL34 END 48.302
HIERARCH ESO ISS PBLA34 START 3.659
HIERARCH ESO ISS PBLA34 END 4.763
HIERARCH ESO ISS AMBI TAU0 START 0.001944
HIERARCH ESO ISS AMBI TAU0 END 0.001921
HIERARCH ESO ISS AMBI TEMP 11.64
HIERARCH ESO ISS AMBI FWHM START 1.11
HIERARCH ESO ISS AMBI FWHM END 1.2