Exposure
ID
GRAVI.2025-05-27T09:03:32.193_1
Header ID
GRAVI.2025-05-27T09:03:32.193
Date updated
2025-05-27 09:11:13 UTC+0000
Release date
2026-05-27 09:11:13 UTC+0000
UTC Start
2025-05-27 09:03:32.193
UTC End
2025-05-27 09:06:12.193
MJD Start
60822.37745594
MJD End
60822.37930779185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004282
Ambient temperature (°C)
11.62
Seeing (arcsec)
0.655
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 75.2560 74.7660 129.9000 130.4000
A0-J2 107.2580 106.3570 101.9000 102.2000
A0-K0 112.4370 111.6740 77.1410 77.2150
G1-J2 53.9890 53.7440 61.0000 61.0000
G1-K0 89.8310 89.7490 35.2920 35.3820
J2-K0 47.3980 47.4120 5.6500 5.9790
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 60822.37745594
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 75.256
HIERARCH ESO ISS PBL12 END 74.766
HIERARCH ESO ISS PBLA12 START 129.9
HIERARCH ESO ISS PBLA12 END 130.4
HIERARCH ESO ISS PBL13 START 107.258
HIERARCH ESO ISS PBL13 END 106.357
HIERARCH ESO ISS PBLA13 START 101.9
HIERARCH ESO ISS PBLA13 END 102.2
HIERARCH ESO ISS PBL14 START 112.437
HIERARCH ESO ISS PBL14 END 111.674
HIERARCH ESO ISS PBLA14 START 77.141
HIERARCH ESO ISS PBLA14 END 77.215
HIERARCH ESO ISS PBL23 START 53.989
HIERARCH ESO ISS PBL23 END 53.744
HIERARCH ESO ISS PBLA23 START 61.0
HIERARCH ESO ISS PBLA23 END 61.0
HIERARCH ESO ISS PBL24 START 89.831
HIERARCH ESO ISS PBL24 END 89.749
HIERARCH ESO ISS PBLA24 START 35.292
HIERARCH ESO ISS PBLA24 END 35.382
HIERARCH ESO ISS PBL34 START 47.398
HIERARCH ESO ISS PBL34 END 47.412
HIERARCH ESO ISS PBLA34 START 5.65
HIERARCH ESO ISS PBLA34 END 5.979
HIERARCH ESO ISS AMBI TAU0 START 0.00404
HIERARCH ESO ISS AMBI TAU0 END 0.004524
HIERARCH ESO ISS AMBI TEMP 11.62
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.61