Exposure
ID
GRAVI.2025-05-27T09:16:53.227_1
Header ID
GRAVI.2025-05-27T09:16:53.227
Date updated
2025-05-27 09:25:58 UTC+0000
Release date
2026-05-27 09:25:58 UTC+0000
UTC Start
2025-05-27 09:16:53.227
UTC End
2025-05-27 09:19:33.227
MJD Start
60822.38672717
MJD End
60822.388579021856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003947
Ambient temperature (°C)
11.74
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 73.0290 72.5260 132.1000 132.7000
A0-J2 103.0900 102.1220 103.2000 103.4000
A0-K0 108.8720 108.0320 77.4580 77.5230
G1-J2 52.8360 52.5620 61.1000 61.1000
G1-K0 89.4240 89.3190 35.6600 35.7300
J2-K0 47.4670 47.4840 7.1220 7.4460
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 60822.38672717
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 73.029
HIERARCH ESO ISS PBL12 END 72.526
HIERARCH ESO ISS PBLA12 START 132.1
HIERARCH ESO ISS PBLA12 END 132.7
HIERARCH ESO ISS PBL13 START 103.09
HIERARCH ESO ISS PBL13 END 102.122
HIERARCH ESO ISS PBLA13 START 103.2
HIERARCH ESO ISS PBLA13 END 103.4
HIERARCH ESO ISS PBL14 START 108.872
HIERARCH ESO ISS PBL14 END 108.032
HIERARCH ESO ISS PBLA14 START 77.458
HIERARCH ESO ISS PBLA14 END 77.523
HIERARCH ESO ISS PBL23 START 52.836
HIERARCH ESO ISS PBL23 END 52.562
HIERARCH ESO ISS PBLA23 START 61.1
HIERARCH ESO ISS PBLA23 END 61.1
HIERARCH ESO ISS PBL24 START 89.424
HIERARCH ESO ISS PBL24 END 89.319
HIERARCH ESO ISS PBLA24 START 35.66
HIERARCH ESO ISS PBLA24 END 35.73
HIERARCH ESO ISS PBL34 START 47.467
HIERARCH ESO ISS PBL34 END 47.484
HIERARCH ESO ISS PBLA34 START 7.122
HIERARCH ESO ISS PBLA34 END 7.446
HIERARCH ESO ISS AMBI TAU0 START 0.00426
HIERARCH ESO ISS AMBI TAU0 END 0.003634
HIERARCH ESO ISS AMBI TEMP 11.74
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.67