Exposure
ID
GRAVI.2025-04-30T09:02:23.031_1
Header ID
GRAVI.2025-04-30T09:02:23.031
Date updated
2025-04-30 09:10:56 UTC+0000
Release date
2026-04-30 09:10:56 UTC+0000
UTC Start
2025-04-30 09:02:23.031
UTC End
2025-04-30 09:05:03.031
MJD Start
60795.37665545
MJD End
60795.37850730186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00515
Ambient temperature (°C)
11.69
Seeing (arcsec)
0.64
Observation
ID
67067
Category
science
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
49867
Name
HD_319775
RA
260.497489
DEC
-37.52106
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 48.5290 48.5390 162.7000 163.1000
A0-J2 123.4900 123.1100 107.2000 107.7000
A0-J6 158.3790 158.0060 36.0820 36.3510
B5-J2 103.9570 103.5250 84.6000 85.0000
B5-J6 191.3190 191.0430 24.3310 24.6020
J2-J6 166.4140 166.4470 351.4720 351.8450
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60795.37665545
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 319775
HIERARCH ESO INS SOBJ NAME HD_319775
RA 260.497489
DEC -37.52106
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 48.529
HIERARCH ESO ISS PBL12 END 48.539
HIERARCH ESO ISS PBLA12 START 162.7
HIERARCH ESO ISS PBLA12 END 163.1
HIERARCH ESO ISS PBL13 START 123.49
HIERARCH ESO ISS PBL13 END 123.11
HIERARCH ESO ISS PBLA13 START 107.2
HIERARCH ESO ISS PBLA13 END 107.7
HIERARCH ESO ISS PBL14 START 158.379
HIERARCH ESO ISS PBL14 END 158.006
HIERARCH ESO ISS PBLA14 START 36.082
HIERARCH ESO ISS PBLA14 END 36.351
HIERARCH ESO ISS PBL23 START 103.957
HIERARCH ESO ISS PBL23 END 103.525
HIERARCH ESO ISS PBLA23 START 84.6
HIERARCH ESO ISS PBLA23 END 85.0
HIERARCH ESO ISS PBL24 START 191.319
HIERARCH ESO ISS PBL24 END 191.043
HIERARCH ESO ISS PBLA24 START 24.331
HIERARCH ESO ISS PBLA24 END 24.602
HIERARCH ESO ISS PBL34 START 166.414
HIERARCH ESO ISS PBL34 END 166.447
HIERARCH ESO ISS PBLA34 START 351.472
HIERARCH ESO ISS PBLA34 END 351.845
HIERARCH ESO ISS AMBI TAU0 START 0.00515
HIERARCH ESO ISS AMBI TAU0 END 0.00515
HIERARCH ESO ISS AMBI TEMP 11.69
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64