Exposure
ID
GRAVI.2025-04-05T06:09:34.336_1
Header ID
GRAVI.2025-04-05T06:09:34.336
Date updated
2025-04-05 06:20:47 UTC+0000
Release date
2025-04-05 06:09:34 UTC+0000
UTC Start
2025-04-05 06:09:34.336
UTC End
2025-04-05 06:12:46.336
MJD Start
60770.25664741
MJD End
60770.25886963223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0073485
Ambient temperature (°C)
14.19
Seeing (arcsec)
0.525
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 17.1750 17.3770 119.8000 120.0000
A0-D0 27.5490 27.6340 24.2000 25.1000
A0-C1 13.9550 14.1750 78.9050 79.6540
B2-D0 33.8570 33.8600 353.8000 354.4000
B2-C1 11.2780 11.2790 353.8160 354.3470
D0-C1 22.5790 22.5810 173.8550 174.3860
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 60770.25664741
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 17.175
HIERARCH ESO ISS PBL12 END 17.377
HIERARCH ESO ISS PBLA12 START 119.8
HIERARCH ESO ISS PBLA12 END 120.0
HIERARCH ESO ISS PBL13 START 27.549
HIERARCH ESO ISS PBL13 END 27.634
HIERARCH ESO ISS PBLA13 START 24.2
HIERARCH ESO ISS PBLA13 END 25.1
HIERARCH ESO ISS PBL14 START 13.955
HIERARCH ESO ISS PBL14 END 14.175
HIERARCH ESO ISS PBLA14 START 78.905
HIERARCH ESO ISS PBLA14 END 79.654
HIERARCH ESO ISS PBL23 START 33.857
HIERARCH ESO ISS PBL23 END 33.86
HIERARCH ESO ISS PBLA23 START 353.8
HIERARCH ESO ISS PBLA23 END 354.4
HIERARCH ESO ISS PBL24 START 11.278
HIERARCH ESO ISS PBL24 END 11.279
HIERARCH ESO ISS PBLA24 START 353.816
HIERARCH ESO ISS PBLA24 END 354.347
HIERARCH ESO ISS PBL34 START 22.579
HIERARCH ESO ISS PBL34 END 22.581
HIERARCH ESO ISS PBLA34 START 173.855
HIERARCH ESO ISS PBLA34 END 174.386
HIERARCH ESO ISS AMBI TAU0 START 0.007524
HIERARCH ESO ISS AMBI TAU0 END 0.007173
HIERARCH ESO ISS AMBI TEMP 14.19
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.51