Exposure
ID
GRAVI.2025-04-04T06:07:33.441_1
Header ID
GRAVI.2025-04-04T06:07:33.441
Date updated
2025-04-04 06:20:51 UTC+0000
Release date
2025-04-04 06:07:33 UTC+0000
UTC Start
2025-04-04 06:07:33.441
UTC End
2025-04-04 06:10:45.441
MJD Start
60769.25524816
MJD End
60769.257470382225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0068655
Ambient temperature (°C)
13.7
Seeing (arcsec)
0.8
Observation
ID
66036
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
49157
Name
HD_168592
RA
275.574244
DEC
-38.65706
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 16.8450 17.0500 119.5000 119.7000
A0-D0 27.4170 27.4980 22.6000 23.6000
A0-C1 13.5990 13.8200 77.6680 78.4420
B2-D0 33.8510 33.8550 353.0000 353.5000
B2-C1 11.2760 11.2770 352.9670 353.4950
D0-C1 22.5760 22.5780 173.0050 173.5330
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 60769.25524816
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168592
HIERARCH ESO INS SOBJ NAME HD_168592
RA 275.574244
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 16.845
HIERARCH ESO ISS PBL12 END 17.05
HIERARCH ESO ISS PBLA12 START 119.5
HIERARCH ESO ISS PBLA12 END 119.7
HIERARCH ESO ISS PBL13 START 27.417
HIERARCH ESO ISS PBL13 END 27.498
HIERARCH ESO ISS PBLA13 START 22.6
HIERARCH ESO ISS PBLA13 END 23.6
HIERARCH ESO ISS PBL14 START 13.599
HIERARCH ESO ISS PBL14 END 13.82
HIERARCH ESO ISS PBLA14 START 77.668
HIERARCH ESO ISS PBLA14 END 78.442
HIERARCH ESO ISS PBL23 START 33.851
HIERARCH ESO ISS PBL23 END 33.855
HIERARCH ESO ISS PBLA23 START 353.0
HIERARCH ESO ISS PBLA23 END 353.5
HIERARCH ESO ISS PBL24 START 11.276
HIERARCH ESO ISS PBL24 END 11.277
HIERARCH ESO ISS PBLA24 START 352.967
HIERARCH ESO ISS PBLA24 END 353.495
HIERARCH ESO ISS PBL34 START 22.576
HIERARCH ESO ISS PBL34 END 22.578
HIERARCH ESO ISS PBLA34 START 173.005
HIERARCH ESO ISS PBLA34 END 173.533
HIERARCH ESO ISS AMBI TAU0 START 0.006733
HIERARCH ESO ISS AMBI TAU0 END 0.006998
HIERARCH ESO ISS AMBI TEMP 13.7
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.93