Exposure
ID
GRAVI.2025-08-23T03:22:15.025_1
Header ID
GRAVI.2025-08-23T03:22:15.025
Date updated
2025-08-23 03:35:38 UTC+0000
Release date
2025-08-23 03:22:15 UTC+0000
UTC Start
2025-08-23 03:22:15.025
UTC End
2025-08-23 03:24:55.025
MJD Start
60910.14045168
MJD End
60910.14230353186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002056
Ambient temperature (°C)
2.56
Seeing (arcsec)
1.1
Observation
ID
70073
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
51988
Name
HD_162415
RA
268.069677
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 48.4540 48.4500 174.5000 175.0000
A0-J2 105.7380 105.0220 119.5000 120.1000
A0-J6 151.5920 151.0450 40.1630 40.3030
B5-J2 87.5230 86.7480 92.5000 92.9000
B5-J6 188.6810 188.2860 29.5830 29.7570
J2-J6 167.9590 167.9580 1.9440 2.3200
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 60910.14045168
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 162415
HIERARCH ESO INS SOBJ NAME HD_162415
RA 268.069677
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 48.454
HIERARCH ESO ISS PBL12 END 48.45
HIERARCH ESO ISS PBLA12 START 174.5
HIERARCH ESO ISS PBLA12 END 175.0
HIERARCH ESO ISS PBL13 START 105.738
HIERARCH ESO ISS PBL13 END 105.022
HIERARCH ESO ISS PBLA13 START 119.5
HIERARCH ESO ISS PBLA13 END 120.1
HIERARCH ESO ISS PBL14 START 151.592
HIERARCH ESO ISS PBL14 END 151.045
HIERARCH ESO ISS PBLA14 START 40.163
HIERARCH ESO ISS PBLA14 END 40.303
HIERARCH ESO ISS PBL23 START 87.523
HIERARCH ESO ISS PBL23 END 86.748
HIERARCH ESO ISS PBLA23 START 92.5
HIERARCH ESO ISS PBLA23 END 92.9
HIERARCH ESO ISS PBL24 START 188.681
HIERARCH ESO ISS PBL24 END 188.286
HIERARCH ESO ISS PBLA24 START 29.583
HIERARCH ESO ISS PBLA24 END 29.757
HIERARCH ESO ISS PBL34 START 167.959
HIERARCH ESO ISS PBL34 END 167.958
HIERARCH ESO ISS PBLA34 START 1.944
HIERARCH ESO ISS PBLA34 END 2.32
HIERARCH ESO ISS AMBI TAU0 START 0.001952
HIERARCH ESO ISS AMBI TAU0 END 0.00216
HIERARCH ESO ISS AMBI TEMP 2.56
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 1.11