Exposure
ID
GRAVI.2025-05-27T09:37:17.279_1
Header ID
GRAVI.2025-05-27T09:37:17.279
Date updated
2025-05-27 09:50:55 UTC+0000
Release date
2025-05-27 09:37:17 UTC+0000
UTC Start
2025-05-27 09:37:17.279
UTC End
2025-05-27 09:39:57.279
MJD Start
60822.40089443
MJD End
60822.402746281856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004593
Ambient temperature (°C)
11.81
Seeing (arcsec)
0.44
Observation
ID
67612
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
50283
Name
HD_179130
RA
287.977144
DEC
-14.58451
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 78.5400 78.0960 128.6000 129.0000
A0-J2 111.8870 111.0830 101.7000 102.0000
A0-K0 115.5530 114.8690 77.6050 77.7170
G1-J2 54.7960 54.5750 61.4000 61.5000
G1-K0 89.9260 89.8510 34.8920 35.0110
J2-K0 47.6800 47.6890 3.9800 4.3120
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 60822.40089443
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 179130
HIERARCH ESO INS SOBJ NAME HD_179130
RA 287.977144
DEC -14.58451
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 78.54
HIERARCH ESO ISS PBL12 END 78.096
HIERARCH ESO ISS PBLA12 START 128.6
HIERARCH ESO ISS PBLA12 END 129.0
HIERARCH ESO ISS PBL13 START 111.887
HIERARCH ESO ISS PBL13 END 111.083
HIERARCH ESO ISS PBLA13 START 101.7
HIERARCH ESO ISS PBLA13 END 102.0
HIERARCH ESO ISS PBL14 START 115.553
HIERARCH ESO ISS PBL14 END 114.869
HIERARCH ESO ISS PBLA14 START 77.605
HIERARCH ESO ISS PBLA14 END 77.717
HIERARCH ESO ISS PBL23 START 54.796
HIERARCH ESO ISS PBL23 END 54.575
HIERARCH ESO ISS PBLA23 START 61.4
HIERARCH ESO ISS PBLA23 END 61.5
HIERARCH ESO ISS PBL24 START 89.926
HIERARCH ESO ISS PBL24 END 89.851
HIERARCH ESO ISS PBLA24 START 34.892
HIERARCH ESO ISS PBLA24 END 35.011
HIERARCH ESO ISS PBL34 START 47.68
HIERARCH ESO ISS PBL34 END 47.689
HIERARCH ESO ISS PBLA34 START 3.98
HIERARCH ESO ISS PBLA34 END 4.312
HIERARCH ESO ISS AMBI TAU0 START 0.004593
HIERARCH ESO ISS AMBI TAU0 END 0.004593
HIERARCH ESO ISS AMBI TEMP 11.81
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.45