Exposure
ID
GRAVI.2025-05-27T09:06:50.201_1
Header ID
GRAVI.2025-05-27T09:06:50.201
Date updated
2025-05-27 09:16:15 UTC+0000
Release date
2026-05-27 09:16:15 UTC+0000
UTC Start
2025-05-27 09:06:50.201
UTC End
2025-05-27 09:09:30.201
MJD Start
60822.3797477
MJD End
60822.38159955185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004322
Ambient temperature (°C)
11.59
Seeing (arcsec)
0.595
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 74.7050 74.2140 130.5000 130.9000
A0-J2 106.2440 105.3320 102.2000 102.5000
A0-K0 111.5780 110.8000 77.2240 77.2960
G1-J2 53.7130 53.4620 61.0000 61.1000
G1-K0 89.7390 89.6520 35.3930 35.4770
J2-K0 47.4140 47.4290 6.0200 6.3470
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 60822.3797477
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 74.705
HIERARCH ESO ISS PBL12 END 74.214
HIERARCH ESO ISS PBLA12 START 130.5
HIERARCH ESO ISS PBLA12 END 130.9
HIERARCH ESO ISS PBL13 START 106.244
HIERARCH ESO ISS PBL13 END 105.332
HIERARCH ESO ISS PBLA13 START 102.2
HIERARCH ESO ISS PBLA13 END 102.5
HIERARCH ESO ISS PBL14 START 111.578
HIERARCH ESO ISS PBL14 END 110.8
HIERARCH ESO ISS PBLA14 START 77.224
HIERARCH ESO ISS PBLA14 END 77.296
HIERARCH ESO ISS PBL23 START 53.713
HIERARCH ESO ISS PBL23 END 53.462
HIERARCH ESO ISS PBLA23 START 61.0
HIERARCH ESO ISS PBLA23 END 61.1
HIERARCH ESO ISS PBL24 START 89.739
HIERARCH ESO ISS PBL24 END 89.652
HIERARCH ESO ISS PBLA24 START 35.393
HIERARCH ESO ISS PBLA24 END 35.477
HIERARCH ESO ISS PBL34 START 47.414
HIERARCH ESO ISS PBL34 END 47.429
HIERARCH ESO ISS PBLA34 START 6.02
HIERARCH ESO ISS PBLA34 END 6.347
HIERARCH ESO ISS AMBI TAU0 START 0.004524
HIERARCH ESO ISS AMBI TAU0 END 0.00412
HIERARCH ESO ISS AMBI TEMP 11.59
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.58