Exposure
ID
GRAVI.2025-05-23T06:01:31.333_1
Header ID
GRAVI.2025-05-23T06:01:31.333
Date updated
2025-05-23 06:16:29 UTC+0000
Release date
2025-05-23 06:01:31 UTC+0000
UTC Start
2025-05-23 06:01:31.333
UTC End
2025-05-23 06:04:43.333
MJD Start
60818.2510571
MJD End
60818.25327932223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.005137
Ambient temperature (°C)
13.66
Seeing (arcsec)
0.5700000000000001
Observation
ID
67544
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
50234
Name
HD_168592
RA
275.577088
DEC
-38.65706
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.8500 67.0230 262.1000 262.7000
K0-D0 95.4160 95.5260 242.1000 242.7000
K0-J3 53.6450 53.7710 325.6190 326.0000
G2-D0 39.8000 39.7770 207.1000 207.6000
G2-J3 64.4010 64.3730 33.9030 34.4460
D0-J3 104.0280 103.9750 31.3040 31.8360
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 60818.2510571
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168592
HIERARCH ESO INS SOBJ NAME HD_168592
RA 275.577088
DEC -38.65706
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 66.85
HIERARCH ESO ISS PBL12 END 67.023
HIERARCH ESO ISS PBLA12 START 262.1
HIERARCH ESO ISS PBLA12 END 262.7
HIERARCH ESO ISS PBL13 START 95.416
HIERARCH ESO ISS PBL13 END 95.526
HIERARCH ESO ISS PBLA13 START 242.1
HIERARCH ESO ISS PBLA13 END 242.7
HIERARCH ESO ISS PBL14 START 53.645
HIERARCH ESO ISS PBL14 END 53.771
HIERARCH ESO ISS PBLA14 START 325.619
HIERARCH ESO ISS PBLA14 END 326.0
HIERARCH ESO ISS PBL23 START 39.8
HIERARCH ESO ISS PBL23 END 39.777
HIERARCH ESO ISS PBLA23 START 207.1
HIERARCH ESO ISS PBLA23 END 207.6
HIERARCH ESO ISS PBL24 START 64.401
HIERARCH ESO ISS PBL24 END 64.373
HIERARCH ESO ISS PBLA24 START 33.903
HIERARCH ESO ISS PBLA24 END 34.446
HIERARCH ESO ISS PBL34 START 104.028
HIERARCH ESO ISS PBL34 END 103.975
HIERARCH ESO ISS PBLA34 START 31.304
HIERARCH ESO ISS PBLA34 END 31.836
HIERARCH ESO ISS AMBI TAU0 START 0.004808
HIERARCH ESO ISS AMBI TAU0 END 0.005466
HIERARCH ESO ISS AMBI TEMP 13.66
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.59