Exposure
ID
GRAVI.2025-05-27T09:13:35.219_1
Header ID
GRAVI.2025-05-27T09:13:35.219
Date updated
2025-05-27 09:21:03 UTC+0000
Release date
2026-05-27 09:21:02 UTC+0000
UTC Start
2025-05-27 09:13:35.219
UTC End
2025-05-27 09:16:15.219
MJD Start
60822.3844354
MJD End
60822.38628725186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0043324999999999995
Ambient temperature (°C)
11.7
Seeing (arcsec)
0.54
Observation
ID
67611
Category
science
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
50282
Name
FR_Sct
RA
275.842687
DEC
-12.68106
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 73.5800 73.0830 131.6000 132.1000
A0-J2 104.1390 103.1920 102.8000 103.1000
A0-K0 109.7770 108.9610 77.3850 77.4510
G1-J2 53.1310 52.8650 61.1000 61.1000
G1-K0 89.5330 89.4340 35.5780 35.6530
J2-K0 47.4490 47.4650 6.7630 7.0870
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60822.3844354
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V FR Sct
HIERARCH ESO INS SOBJ NAME FR_Sct
RA 275.842687
DEC -12.68106
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 73.58
HIERARCH ESO ISS PBL12 END 73.083
HIERARCH ESO ISS PBLA12 START 131.6
HIERARCH ESO ISS PBLA12 END 132.1
HIERARCH ESO ISS PBL13 START 104.139
HIERARCH ESO ISS PBL13 END 103.192
HIERARCH ESO ISS PBLA13 START 102.8
HIERARCH ESO ISS PBLA13 END 103.1
HIERARCH ESO ISS PBL14 START 109.777
HIERARCH ESO ISS PBL14 END 108.961
HIERARCH ESO ISS PBLA14 START 77.385
HIERARCH ESO ISS PBLA14 END 77.451
HIERARCH ESO ISS PBL23 START 53.131
HIERARCH ESO ISS PBL23 END 52.865
HIERARCH ESO ISS PBLA23 START 61.1
HIERARCH ESO ISS PBLA23 END 61.1
HIERARCH ESO ISS PBL24 START 89.533
HIERARCH ESO ISS PBL24 END 89.434
HIERARCH ESO ISS PBLA24 START 35.578
HIERARCH ESO ISS PBLA24 END 35.653
HIERARCH ESO ISS PBL34 START 47.449
HIERARCH ESO ISS PBL34 END 47.465
HIERARCH ESO ISS PBLA34 START 6.763
HIERARCH ESO ISS PBLA34 END 7.087
HIERARCH ESO ISS AMBI TAU0 START 0.004405
HIERARCH ESO ISS AMBI TAU0 END 0.00426
HIERARCH ESO ISS AMBI TEMP 11.7
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.52