Exposure
ID
GRAVI.2025-08-23T03:15:36.008_1
Header ID
GRAVI.2025-08-23T03:15:36.008
Date updated
2025-08-23 03:25:38 UTC+0000
Release date
2025-08-23 03:15:36 UTC+0000
UTC Start
2025-08-23 03:15:36.008
UTC End
2025-08-23 03:18:16.008
MJD Start
60910.13583343
MJD End
60910.13768528186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0020365
Ambient temperature (°C)
2.56
Seeing (arcsec)
1.13
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 48.4660 48.4600 173.5000 174.0000
A0-J2 107.3220 106.6160 118.1000 118.7000
A0-J6 152.7850 152.2560 39.8350 39.9840
B5-J2 89.2220 88.4660 91.6000 92.0000
B5-J6 189.5380 189.1580 29.1810 29.3630
J2-J6 167.9600 167.9600 1.0970 1.4770
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 60910.13583343
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 48.466
HIERARCH ESO ISS PBL12 END 48.46
HIERARCH ESO ISS PBLA12 START 173.5
HIERARCH ESO ISS PBLA12 END 174.0
HIERARCH ESO ISS PBL13 START 107.322
HIERARCH ESO ISS PBL13 END 106.616
HIERARCH ESO ISS PBLA13 START 118.1
HIERARCH ESO ISS PBLA13 END 118.7
HIERARCH ESO ISS PBL14 START 152.785
HIERARCH ESO ISS PBL14 END 152.256
HIERARCH ESO ISS PBLA14 START 39.835
HIERARCH ESO ISS PBLA14 END 39.984
HIERARCH ESO ISS PBL23 START 89.222
HIERARCH ESO ISS PBL23 END 88.466
HIERARCH ESO ISS PBLA23 START 91.6
HIERARCH ESO ISS PBLA23 END 92.0
HIERARCH ESO ISS PBL24 START 189.538
HIERARCH ESO ISS PBL24 END 189.158
HIERARCH ESO ISS PBLA24 START 29.181
HIERARCH ESO ISS PBLA24 END 29.363
HIERARCH ESO ISS PBL34 START 167.96
HIERARCH ESO ISS PBL34 END 167.96
HIERARCH ESO ISS PBLA34 START 1.097
HIERARCH ESO ISS PBLA34 END 1.477
HIERARCH ESO ISS AMBI TAU0 START 0.002121
HIERARCH ESO ISS AMBI TAU0 END 0.001952
HIERARCH ESO ISS AMBI TEMP 2.56
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 1.17