Exposure
ID
GRAVI.2025-04-30T09:37:56.121_1
Header ID
GRAVI.2025-04-30T09:37:56.121
Date updated
2025-04-30 09:50:55 UTC+0000
Release date
2025-04-30 09:37:56 UTC+0000
UTC Start
2025-04-30 09:37:56.121
UTC End
2025-04-30 09:40:36.121
MJD Start
60795.40134399
MJD End
60795.403195841856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00515
Ambient temperature (°C)
11.7
Seeing (arcsec)
0.605
Observation
ID
67068
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
49868
Name
HD_162415
RA
268.069681
DEC
-31.32825
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.6250 48.6190 163.5000 163.9000
A0-J2 121.4320 120.9580 106.1000 106.6000
A0-J6 162.5760 162.2630 35.3060 35.5370
B5-J2 103.6330 103.1620 82.8000 83.2000
B5-J6 196.3770 196.1630 24.0780 24.3260
J2-J6 167.9130 167.9190 352.2260 352.5970
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 60795.40134399
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 162415
HIERARCH ESO INS SOBJ NAME HD_162415
RA 268.069681
DEC -31.32825
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 48.625
HIERARCH ESO ISS PBL12 END 48.619
HIERARCH ESO ISS PBLA12 START 163.5
HIERARCH ESO ISS PBLA12 END 163.9
HIERARCH ESO ISS PBL13 START 121.432
HIERARCH ESO ISS PBL13 END 120.958
HIERARCH ESO ISS PBLA13 START 106.1
HIERARCH ESO ISS PBLA13 END 106.6
HIERARCH ESO ISS PBL14 START 162.576
HIERARCH ESO ISS PBL14 END 162.263
HIERARCH ESO ISS PBLA14 START 35.306
HIERARCH ESO ISS PBLA14 END 35.537
HIERARCH ESO ISS PBL23 START 103.633
HIERARCH ESO ISS PBL23 END 103.162
HIERARCH ESO ISS PBLA23 START 82.8
HIERARCH ESO ISS PBLA23 END 83.2
HIERARCH ESO ISS PBL24 START 196.377
HIERARCH ESO ISS PBL24 END 196.163
HIERARCH ESO ISS PBLA24 START 24.078
HIERARCH ESO ISS PBLA24 END 24.326
HIERARCH ESO ISS PBL34 START 167.913
HIERARCH ESO ISS PBL34 END 167.919
HIERARCH ESO ISS PBLA34 START 352.226
HIERARCH ESO ISS PBLA34 END 352.597
HIERARCH ESO ISS AMBI TAU0 START 0.00515
HIERARCH ESO ISS AMBI TAU0 END 0.00515
HIERARCH ESO ISS AMBI TEMP 11.7
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.57