Exposure
ID
GRAVI.2025-04-04T07:27:57.646_1
Header ID
GRAVI.2025-04-04T07:27:57.646
Date updated
2025-04-04 07:40:49 UTC+0000
Release date
2025-04-04 07:27:57 UTC+0000
UTC Start
2025-04-04 07:27:57.646
UTC End
2025-04-04 07:31:09.646
MJD Start
60769.31108387
MJD End
60769.31330609223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0106395
Ambient temperature (°C)
14.23
Seeing (arcsec)
0.5449999999999999
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 20.7510 20.8990 124.7000 125.0000
A0-D0 29.5440 29.6480 42.0000 42.8000
A0-C1 17.9700 18.1410 91.7990 92.3540
B2-D0 33.8650 33.8620 4.6000 5.1000
B2-C1 11.2800 11.2790 4.5650 5.0940
D0-C1 22.5840 22.5830 184.6160 185.1450
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 60769.31108387
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 20.751
HIERARCH ESO ISS PBL12 END 20.899
HIERARCH ESO ISS PBLA12 START 124.7
HIERARCH ESO ISS PBLA12 END 125.0
HIERARCH ESO ISS PBL13 START 29.544
HIERARCH ESO ISS PBL13 END 29.648
HIERARCH ESO ISS PBLA13 START 42.0
HIERARCH ESO ISS PBLA13 END 42.8
HIERARCH ESO ISS PBL14 START 17.97
HIERARCH ESO ISS PBL14 END 18.141
HIERARCH ESO ISS PBLA14 START 91.799
HIERARCH ESO ISS PBLA14 END 92.354
HIERARCH ESO ISS PBL23 START 33.865
HIERARCH ESO ISS PBL23 END 33.862
HIERARCH ESO ISS PBLA23 START 4.6
HIERARCH ESO ISS PBLA23 END 5.1
HIERARCH ESO ISS PBL24 START 11.28
HIERARCH ESO ISS PBL24 END 11.279
HIERARCH ESO ISS PBLA24 START 4.565
HIERARCH ESO ISS PBLA24 END 5.094
HIERARCH ESO ISS PBL34 START 22.584
HIERARCH ESO ISS PBL34 END 22.583
HIERARCH ESO ISS PBLA34 START 184.616
HIERARCH ESO ISS PBLA34 END 185.145
HIERARCH ESO ISS AMBI TAU0 START 0.010898
HIERARCH ESO ISS AMBI TAU0 END 0.010381
HIERARCH ESO ISS AMBI TEMP 14.23
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.58