Exposure
ID
GRAVI.2023-09-09T03:30:17.254_1
Header ID
GRAVI.2023-09-09T03:30:17.254
Date updated
2023-09-09 03:50:38 UTC+0000
Release date
2024-09-09 03:50:38 UTC+0000
UTC Start
2023-09-09 03:30:17.254
UTC End
2023-09-09 03:34:33.254
MJD Start
60196.14603303
MJD End
60196.14899599297
Exposure time (s)
256.0
Validation level
1
Tau 0: Coherence time (s)
0.001996
Ambient temperature (°C)
13.13
Seeing (arcsec)
1.1949999999999998
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 84.7580 83.9750 138.4000 140.3000
A0-J2 113.3130 111.1900 114.4000 116.3000
A0-K0 108.3240 105.7500 89.4070 90.7630
G1-J2 49.6650 48.5790 70.6000 71.6000
G1-K0 82.8360 81.9680 38.8960 39.5110
J2-K0 48.2770 48.2510 6.1320 7.2220
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 60196.14603303
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 84.758
HIERARCH ESO ISS PBL12 END 83.975
HIERARCH ESO ISS PBLA12 START 138.4
HIERARCH ESO ISS PBLA12 END 140.3
HIERARCH ESO ISS PBL13 START 113.313
HIERARCH ESO ISS PBL13 END 111.19
HIERARCH ESO ISS PBLA13 START 114.4
HIERARCH ESO ISS PBLA13 END 116.3
HIERARCH ESO ISS PBL14 START 108.324
HIERARCH ESO ISS PBL14 END 105.75
HIERARCH ESO ISS PBLA14 START 89.407
HIERARCH ESO ISS PBLA14 END 90.763
HIERARCH ESO ISS PBL23 START 49.665
HIERARCH ESO ISS PBL23 END 48.579
HIERARCH ESO ISS PBLA23 START 70.6
HIERARCH ESO ISS PBLA23 END 71.6
HIERARCH ESO ISS PBL24 START 82.836
HIERARCH ESO ISS PBL24 END 81.968
HIERARCH ESO ISS PBLA24 START 38.896
HIERARCH ESO ISS PBLA24 END 39.511
HIERARCH ESO ISS PBL34 START 48.277
HIERARCH ESO ISS PBL34 END 48.251
HIERARCH ESO ISS PBLA34 START 6.132
HIERARCH ESO ISS PBLA34 END 7.222
HIERARCH ESO ISS AMBI TAU0 START 0.002267
HIERARCH ESO ISS AMBI TAU0 END 0.001725
HIERARCH ESO ISS AMBI TEMP 13.13
HIERARCH ESO ISS AMBI FWHM START 1.01
HIERARCH ESO ISS AMBI FWHM END 1.38