Exposure
ID
GRAVI.2023-09-09T07:10:33.622_1
Header ID
GRAVI.2023-09-09T07:10:33.622
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2024-09-09 07:25:20 UTC+0000
UTC Start
2023-09-09 07:10:33.622
UTC End
2023-09-09 07:15:53.622
MJD Start
60196.29900026
MJD End
60196.3027039637
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.003037
Ambient temperature (°C)
12.46
Seeing (arcsec)
0.715
Observation
ID
56939
Category
science
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
42210
Name
V_S_Psc
RA
19.391695
DEC
8.93128
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 85.4620 84.7540 111.8000 111.8000
A0-J2 128.2420 127.8080 91.5000 91.3000
A0-K0 127.4820 127.7140 73.3610 73.1670
G1-J2 56.5690 56.8500 59.8000 59.7000
G1-K0 80.6140 81.1490 32.0810 32.4550
J2-K0 40.2760 40.1780 351.3490 352.0760
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.263J.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60196.29900026
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V S Psc
HIERARCH ESO INS SOBJ NAME V_S_Psc
RA 19.391695
DEC 8.93128
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 85.462
HIERARCH ESO ISS PBL12 END 84.754
HIERARCH ESO ISS PBLA12 START 111.8
HIERARCH ESO ISS PBLA12 END 111.8
HIERARCH ESO ISS PBL13 START 128.242
HIERARCH ESO ISS PBL13 END 127.808
HIERARCH ESO ISS PBLA13 START 91.5
HIERARCH ESO ISS PBLA13 END 91.3
HIERARCH ESO ISS PBL14 START 127.482
HIERARCH ESO ISS PBL14 END 127.714
HIERARCH ESO ISS PBLA14 START 73.361
HIERARCH ESO ISS PBLA14 END 73.167
HIERARCH ESO ISS PBL23 START 56.569
HIERARCH ESO ISS PBL23 END 56.85
HIERARCH ESO ISS PBLA23 START 59.8
HIERARCH ESO ISS PBLA23 END 59.7
HIERARCH ESO ISS PBL24 START 80.614
HIERARCH ESO ISS PBL24 END 81.149
HIERARCH ESO ISS PBLA24 START 32.081
HIERARCH ESO ISS PBLA24 END 32.455
HIERARCH ESO ISS PBL34 START 40.276
HIERARCH ESO ISS PBL34 END 40.178
HIERARCH ESO ISS PBLA34 START 351.349
HIERARCH ESO ISS PBLA34 END 352.076
HIERARCH ESO ISS AMBI TAU0 START 0.003037
HIERARCH ESO ISS AMBI TAU0 END 0.003037
HIERARCH ESO ISS AMBI TEMP 12.46
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.73