Exposure
ID
GRAVI.2023-09-11T07:58:03.824_1
Header ID
GRAVI.2023-09-11T07:58:03.824
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2023-09-11 07:58:03 UTC+0000
UTC Start
2023-09-11 07:58:03.824
UTC End
2023-09-11 08:03:23.824
MJD Start
60198.3319887
MJD End
60198.33569240371
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0020855
Ambient temperature (°C)
9.73
Seeing (arcsec)
1.3
Observation
ID
56960
Category
calibrator
Program ID
112.263J.001
Program Title
PHOTOCENTER DISPLACEMENT AS A PROBE FOR CHARACTERISING AGB STARS
Program Type
Normal
PI / COI
BÉGUIN / CHIAVASSA / WITTKOWSKI / SCHULTHEIS / FREYTAG / CREEVEY / MILLOUR / MONTARGES
Target
ID
42228
Name
HD_943
RA
3.432354
DEC
-26.28493
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 81.8910 81.2890 136.2000 137.3000
A0-J2 110.7560 109.3380 110.7000 111.6000
A0-K0 109.0380 107.5110 85.1370 85.7040
G1-J2 51.0260 50.4350 66.9000 67.3000
G1-K0 85.8900 85.4940 37.2490 37.5340
J2-K0 48.6480 48.6470 5.9410 6.5600
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.263J.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60198.3319887
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 943
HIERARCH ESO INS SOBJ NAME HD_943
RA 3.432354
DEC -26.28493
HIERARCH ESO INS SPEC RES HIGH
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 342.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 81.891
HIERARCH ESO ISS PBL12 END 81.289
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 137.3
HIERARCH ESO ISS PBL13 START 110.756
HIERARCH ESO ISS PBL13 END 109.338
HIERARCH ESO ISS PBLA13 START 110.7
HIERARCH ESO ISS PBLA13 END 111.6
HIERARCH ESO ISS PBL14 START 109.038
HIERARCH ESO ISS PBL14 END 107.511
HIERARCH ESO ISS PBLA14 START 85.137
HIERARCH ESO ISS PBLA14 END 85.704
HIERARCH ESO ISS PBL23 START 51.026
HIERARCH ESO ISS PBL23 END 50.435
HIERARCH ESO ISS PBLA23 START 66.9
HIERARCH ESO ISS PBLA23 END 67.3
HIERARCH ESO ISS PBL24 START 85.89
HIERARCH ESO ISS PBL24 END 85.494
HIERARCH ESO ISS PBLA24 START 37.249
HIERARCH ESO ISS PBLA24 END 37.534
HIERARCH ESO ISS PBL34 START 48.648
HIERARCH ESO ISS PBL34 END 48.647
HIERARCH ESO ISS PBLA34 START 5.941
HIERARCH ESO ISS PBLA34 END 6.56
HIERARCH ESO ISS AMBI TAU0 START 0.002108
HIERARCH ESO ISS AMBI TAU0 END 0.002063
HIERARCH ESO ISS AMBI TEMP 9.73
HIERARCH ESO ISS AMBI FWHM START 1.29
HIERARCH ESO ISS AMBI FWHM END 1.31