Exposure
ID
GRAVI.2025-04-04T05:59:18.420_1
Header ID
GRAVI.2025-04-04T05:59:18.420
Date updated
2025-04-04 06:10:48 UTC+0000
Release date
2025-04-04 05:59:18 UTC+0000
UTC Start
2025-04-04 05:59:18.420
UTC End
2025-04-04 06:02:30.420
MJD Start
60769.24951875
MJD End
60769.25174097223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.00682
Ambient temperature (°C)
13.89
Seeing (arcsec)
0.7949999999999999
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 16.3760 16.5870 119.1000 119.3000
A0-D0 27.2450 27.3200 20.4000 21.4000
A0-C1 13.0990 13.3230 75.8740 76.6900
B2-D0 33.8420 33.8470 351.8000 352.3000
B2-C1 11.2730 11.2740 351.7940 352.3190
D0-C1 22.5700 22.5730 171.8310 172.3570
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 60769.24951875
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 16.376
HIERARCH ESO ISS PBL12 END 16.587
HIERARCH ESO ISS PBLA12 START 119.1
HIERARCH ESO ISS PBLA12 END 119.3
HIERARCH ESO ISS PBL13 START 27.245
HIERARCH ESO ISS PBL13 END 27.32
HIERARCH ESO ISS PBLA13 START 20.4
HIERARCH ESO ISS PBLA13 END 21.4
HIERARCH ESO ISS PBL14 START 13.099
HIERARCH ESO ISS PBL14 END 13.323
HIERARCH ESO ISS PBLA14 START 75.874
HIERARCH ESO ISS PBLA14 END 76.69
HIERARCH ESO ISS PBL23 START 33.842
HIERARCH ESO ISS PBL23 END 33.847
HIERARCH ESO ISS PBLA23 START 351.8
HIERARCH ESO ISS PBLA23 END 352.3
HIERARCH ESO ISS PBL24 START 11.273
HIERARCH ESO ISS PBL24 END 11.274
HIERARCH ESO ISS PBLA24 START 351.794
HIERARCH ESO ISS PBLA24 END 352.319
HIERARCH ESO ISS PBL34 START 22.57
HIERARCH ESO ISS PBL34 END 22.573
HIERARCH ESO ISS PBLA34 START 171.831
HIERARCH ESO ISS PBLA34 END 172.357
HIERARCH ESO ISS AMBI TAU0 START 0.00712
HIERARCH ESO ISS AMBI TAU0 END 0.00652
HIERARCH ESO ISS AMBI TEMP 13.89
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.89