Exposure
ID
GRAVI.2025-06-17T06:15:46.683_1
Header ID
GRAVI.2025-06-17T06:15:46.683
Date updated
2025-06-17 06:25:53 UTC+0000
Release date
2025-06-17 06:15:46 UTC+0000
UTC Start
2025-06-17 06:15:46.683
UTC End
2025-06-17 06:18:26.683
MJD Start
60843.26095698
MJD End
60843.26280883185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0021085
Ambient temperature (°C)
7.12
Seeing (arcsec)
1.0
Observation
ID
68143
Category
calibrator
Program ID
115.27VK.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
50651
Name
eta_Sco
RA
258.035425
DEC
-43.24082
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 89.0940 88.9890 136.4000 137.0000
A0-J2 120.8430 120.4490 115.0000 115.6000
A0-K0 112.9380 112.3680 92.3850 92.9050
G1-J2 49.9800 49.7070 74.3000 74.8000
G1-K0 78.9180 78.6440 40.6780 40.9550
J2-K0 46.4730 46.4630 4.0900 4.4310
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60843.26095698
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME eta Sco
HIERARCH ESO INS SOBJ NAME eta_Sco
RA 258.035425
DEC -43.24082
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 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 89.094
HIERARCH ESO ISS PBL12 END 88.989
HIERARCH ESO ISS PBLA12 START 136.4
HIERARCH ESO ISS PBLA12 END 137.0
HIERARCH ESO ISS PBL13 START 120.843
HIERARCH ESO ISS PBL13 END 120.449
HIERARCH ESO ISS PBLA13 START 115.0
HIERARCH ESO ISS PBLA13 END 115.6
HIERARCH ESO ISS PBL14 START 112.938
HIERARCH ESO ISS PBL14 END 112.368
HIERARCH ESO ISS PBLA14 START 92.385
HIERARCH ESO ISS PBLA14 END 92.905
HIERARCH ESO ISS PBL23 START 49.98
HIERARCH ESO ISS PBL23 END 49.707
HIERARCH ESO ISS PBLA23 START 74.3
HIERARCH ESO ISS PBLA23 END 74.8
HIERARCH ESO ISS PBL24 START 78.918
HIERARCH ESO ISS PBL24 END 78.644
HIERARCH ESO ISS PBLA24 START 40.678
HIERARCH ESO ISS PBLA24 END 40.955
HIERARCH ESO ISS PBL34 START 46.473
HIERARCH ESO ISS PBL34 END 46.463
HIERARCH ESO ISS PBLA34 START 4.09
HIERARCH ESO ISS PBLA34 END 4.431
HIERARCH ESO ISS AMBI TAU0 START 0.001949
HIERARCH ESO ISS AMBI TAU0 END 0.002268
HIERARCH ESO ISS AMBI TEMP 7.12
HIERARCH ESO ISS AMBI FWHM START 1.07
HIERARCH ESO ISS AMBI FWHM END 0.93