Exposure
ID
GRAVI.2025-08-02T05:38:48.306_1
Header ID
GRAVI.2025-08-02T05:38:48.306
Date updated
2025-08-02 05:55:44 UTC+0000
Release date
2025-08-02 05:38:48 UTC+0000
UTC Start
2025-08-02 05:38:48.306
UTC End
2025-08-02 05:41:28.306
MJD Start
60889.23528132
MJD End
60889.23713317185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003538
Ambient temperature (°C)
10.22
Seeing (arcsec)
1.0899999999999999
Observation
ID
68990
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
51322
Name
HD_162415
RA
268.068378
DEC
-31.32825
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 77.2640 77.0590 156.7000 157.4000
A0-J2 92.1950 91.4540 132.2000 133.0000
A0-K0 82.1270 81.0550 100.8570 101.3910
G1-J2 38.7920 38.3220 76.5000 76.8000
G1-K0 74.7310 74.3490 42.0670 42.1290
J2-K0 48.0540 48.0320 14.8820 15.1710
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 60889.23528132
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 162415
HIERARCH ESO INS SOBJ NAME HD_162415
RA 268.068378
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 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 77.264
HIERARCH ESO ISS PBL12 END 77.059
HIERARCH ESO ISS PBLA12 START 156.7
HIERARCH ESO ISS PBLA12 END 157.4
HIERARCH ESO ISS PBL13 START 92.195
HIERARCH ESO ISS PBL13 END 91.454
HIERARCH ESO ISS PBLA13 START 132.2
HIERARCH ESO ISS PBLA13 END 133.0
HIERARCH ESO ISS PBL14 START 82.127
HIERARCH ESO ISS PBL14 END 81.055
HIERARCH ESO ISS PBLA14 START 100.857
HIERARCH ESO ISS PBLA14 END 101.391
HIERARCH ESO ISS PBL23 START 38.792
HIERARCH ESO ISS PBL23 END 38.322
HIERARCH ESO ISS PBLA23 START 76.5
HIERARCH ESO ISS PBLA23 END 76.8
HIERARCH ESO ISS PBL24 START 74.731
HIERARCH ESO ISS PBL24 END 74.349
HIERARCH ESO ISS PBLA24 START 42.067
HIERARCH ESO ISS PBLA24 END 42.129
HIERARCH ESO ISS PBL34 START 48.054
HIERARCH ESO ISS PBL34 END 48.032
HIERARCH ESO ISS PBLA34 START 14.882
HIERARCH ESO ISS PBLA34 END 15.171
HIERARCH ESO ISS AMBI TAU0 START 0.003849
HIERARCH ESO ISS AMBI TAU0 END 0.003227
HIERARCH ESO ISS AMBI TEMP 10.22
HIERARCH ESO ISS AMBI FWHM START 1.17
HIERARCH ESO ISS AMBI FWHM END 1.01