Exposure
ID
GRAVI.2023-09-09T07:23:27.655_1
Header ID
GRAVI.2023-09-09T07:23:27.655
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2024-09-09 07:40:30 UTC+0000
UTC Start
2023-09-09 07:23:27.655
UTC End
2023-09-09 07:28:47.655
MJD Start
60196.30795897
MJD End
60196.3116626737
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0027445
Ambient temperature (°C)
12.73
Seeing (arcsec)
0.7849999999999999
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 83.8070 82.9990 111.8000 111.8000
A0-J2 127.1530 126.5420 91.0000 90.8000
A0-K0 127.9030 127.9730 72.9110 72.6950
G1-J2 57.1670 57.3900 59.6000 59.5000
G1-K0 81.8070 82.3220 32.8940 33.2210
J2-K0 40.0680 39.9890 352.9990 353.7470
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 60196.30795897
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 83.807
HIERARCH ESO ISS PBL12 END 82.999
HIERARCH ESO ISS PBLA12 START 111.8
HIERARCH ESO ISS PBLA12 END 111.8
HIERARCH ESO ISS PBL13 START 127.153
HIERARCH ESO ISS PBL13 END 126.542
HIERARCH ESO ISS PBLA13 START 91.0
HIERARCH ESO ISS PBLA13 END 90.8
HIERARCH ESO ISS PBL14 START 127.903
HIERARCH ESO ISS PBL14 END 127.973
HIERARCH ESO ISS PBLA14 START 72.911
HIERARCH ESO ISS PBLA14 END 72.695
HIERARCH ESO ISS PBL23 START 57.167
HIERARCH ESO ISS PBL23 END 57.39
HIERARCH ESO ISS PBLA23 START 59.6
HIERARCH ESO ISS PBLA23 END 59.5
HIERARCH ESO ISS PBL24 START 81.807
HIERARCH ESO ISS PBL24 END 82.322
HIERARCH ESO ISS PBLA24 START 32.894
HIERARCH ESO ISS PBLA24 END 33.221
HIERARCH ESO ISS PBL34 START 40.068
HIERARCH ESO ISS PBL34 END 39.989
HIERARCH ESO ISS PBLA34 START 352.999
HIERARCH ESO ISS PBLA34 END 353.747
HIERARCH ESO ISS AMBI TAU0 START 0.00293
HIERARCH ESO ISS AMBI TAU0 END 0.002559
HIERARCH ESO ISS AMBI TEMP 12.73
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.83