Exposure
ID
GRAVI.2025-09-20T02:24:35.567_1
Header ID
GRAVI.2025-09-20T02:24:35.567
Date updated
2025-09-20 02:35:50 UTC+0000
Release date
2025-09-20 02:24:35 UTC+0000
UTC Start
2025-09-20 02:24:35.567
UTC End
2025-09-20 02:27:15.567
MJD Start
60938.10041166
MJD End
60938.10226351186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002504
Ambient temperature (°C)
14.05
Seeing (arcsec)
0.905
Observation
ID
70465
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
52251
Name
HD_179130
RA
287.977146
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 74.9280 74.4580 132.3000 132.8000
A0-J2 105.1320 104.2140 104.0000 104.3000
A0-K0 109.6910 108.8760 78.4440 78.5430
G1-J2 52.8740 52.6020 61.8000 61.8000
G1-K0 89.2040 89.0910 35.7130 35.7970
J2-K0 47.7660 47.7800 6.5710 6.8930
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 60938.10041166
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 179130
HIERARCH ESO INS SOBJ NAME HD_179130
RA 287.977146
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 74.928
HIERARCH ESO ISS PBL12 END 74.458
HIERARCH ESO ISS PBLA12 START 132.3
HIERARCH ESO ISS PBLA12 END 132.8
HIERARCH ESO ISS PBL13 START 105.132
HIERARCH ESO ISS PBL13 END 104.214
HIERARCH ESO ISS PBLA13 START 104.0
HIERARCH ESO ISS PBLA13 END 104.3
HIERARCH ESO ISS PBL14 START 109.691
HIERARCH ESO ISS PBL14 END 108.876
HIERARCH ESO ISS PBLA14 START 78.444
HIERARCH ESO ISS PBLA14 END 78.543
HIERARCH ESO ISS PBL23 START 52.874
HIERARCH ESO ISS PBL23 END 52.602
HIERARCH ESO ISS PBLA23 START 61.8
HIERARCH ESO ISS PBLA23 END 61.8
HIERARCH ESO ISS PBL24 START 89.204
HIERARCH ESO ISS PBL24 END 89.091
HIERARCH ESO ISS PBLA24 START 35.713
HIERARCH ESO ISS PBLA24 END 35.797
HIERARCH ESO ISS PBL34 START 47.766
HIERARCH ESO ISS PBL34 END 47.78
HIERARCH ESO ISS PBLA34 START 6.571
HIERARCH ESO ISS PBLA34 END 6.893
HIERARCH ESO ISS AMBI TAU0 START 0.002504
HIERARCH ESO ISS AMBI TAU0 END 0.002504
HIERARCH ESO ISS AMBI TEMP 14.05
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.92