Exposure
ID
GRAVI.2025-04-05T06:17:43.357_1
Header ID
GRAVI.2025-04-05T06:17:43.357
Date updated
2025-04-05 06:30:53 UTC+0000
Release date
2025-04-05 06:17:43 UTC+0000
UTC Start
2025-04-05 06:17:43.357
UTC End
2025-04-05 06:20:55.357
MJD Start
60770.26230737
MJD End
60770.26452959223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.007687
Ambient temperature (°C)
14.25
Seeing (arcsec)
0.55
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 17.6190 17.8160 120.2000 120.4000
A0-D0 27.7410 27.8310 26.3000 27.2000
A0-C1 14.4390 14.6550 80.5400 81.2560
B2-D0 33.8630 33.8650 355.0000 355.6000
B2-C1 11.2800 11.2800 354.9930 355.5230
D0-C1 22.5830 22.5850 175.0330 175.5640
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 60770.26230737
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 17.619
HIERARCH ESO ISS PBL12 END 17.816
HIERARCH ESO ISS PBLA12 START 120.2
HIERARCH ESO ISS PBLA12 END 120.4
HIERARCH ESO ISS PBL13 START 27.741
HIERARCH ESO ISS PBL13 END 27.831
HIERARCH ESO ISS PBLA13 START 26.3
HIERARCH ESO ISS PBLA13 END 27.2
HIERARCH ESO ISS PBL14 START 14.439
HIERARCH ESO ISS PBL14 END 14.655
HIERARCH ESO ISS PBLA14 START 80.54
HIERARCH ESO ISS PBLA14 END 81.256
HIERARCH ESO ISS PBL23 START 33.863
HIERARCH ESO ISS PBL23 END 33.865
HIERARCH ESO ISS PBLA23 START 355.0
HIERARCH ESO ISS PBLA23 END 355.6
HIERARCH ESO ISS PBL24 START 11.28
HIERARCH ESO ISS PBL24 END 11.28
HIERARCH ESO ISS PBLA24 START 354.993
HIERARCH ESO ISS PBLA24 END 355.523
HIERARCH ESO ISS PBL34 START 22.583
HIERARCH ESO ISS PBL34 END 22.585
HIERARCH ESO ISS PBLA34 START 175.033
HIERARCH ESO ISS PBLA34 END 175.564
HIERARCH ESO ISS AMBI TAU0 START 0.007738
HIERARCH ESO ISS AMBI TAU0 END 0.007636
HIERARCH ESO ISS AMBI TEMP 14.25
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.5