Exposure
ID
GRAVI.2025-04-30T09:27:53.095_1
Header ID
GRAVI.2025-04-30T09:27:53.095
Date updated
2025-04-30 09:40:52 UTC+0000
Release date
2025-04-30 09:27:53 UTC+0000
UTC Start
2025-04-30 09:27:53.095
UTC End
2025-04-30 09:30:33.095
MJD Start
60795.39436453
MJD End
60795.39621638186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00515
Ambient temperature (°C)
11.67
Seeing (arcsec)
0.64
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 48.6420 48.6370 162.1000 162.5000
A0-J2 122.9560 122.5230 104.6000 105.0000
A0-J6 163.5850 163.2980 34.5010 34.7420
B5-J2 105.1420 104.7130 81.6000 82.0000
B5-J6 197.0610 196.8670 23.2210 23.4770
J2-J6 167.8860 167.8950 350.9760 351.3430
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 60795.39436453
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 48.642
HIERARCH ESO ISS PBL12 END 48.637
HIERARCH ESO ISS PBLA12 START 162.1
HIERARCH ESO ISS PBLA12 END 162.5
HIERARCH ESO ISS PBL13 START 122.956
HIERARCH ESO ISS PBL13 END 122.523
HIERARCH ESO ISS PBLA13 START 104.6
HIERARCH ESO ISS PBLA13 END 105.0
HIERARCH ESO ISS PBL14 START 163.585
HIERARCH ESO ISS PBL14 END 163.298
HIERARCH ESO ISS PBLA14 START 34.501
HIERARCH ESO ISS PBLA14 END 34.742
HIERARCH ESO ISS PBL23 START 105.142
HIERARCH ESO ISS PBL23 END 104.713
HIERARCH ESO ISS PBLA23 START 81.6
HIERARCH ESO ISS PBLA23 END 82.0
HIERARCH ESO ISS PBL24 START 197.061
HIERARCH ESO ISS PBL24 END 196.867
HIERARCH ESO ISS PBLA24 START 23.221
HIERARCH ESO ISS PBLA24 END 23.477
HIERARCH ESO ISS PBL34 START 167.886
HIERARCH ESO ISS PBL34 END 167.895
HIERARCH ESO ISS PBLA34 START 350.976
HIERARCH ESO ISS PBLA34 END 351.343
HIERARCH ESO ISS AMBI TAU0 START 0.00515
HIERARCH ESO ISS AMBI TAU0 END 0.00515
HIERARCH ESO ISS AMBI TEMP 11.67
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64