Exposure
ID
GRAVI.2025-04-06T05:45:15.016_1
Header ID
GRAVI.2025-04-06T05:45:15.016
Date updated
2025-04-06 05:55:49 UTC+0000
Release date
2025-04-06 05:45:15 UTC+0000
UTC Start
2025-04-06 05:45:15.016
UTC End
2025-04-06 05:48:27.016
MJD Start
60771.23975713
MJD End
60771.24197935223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.002319
Ambient temperature (°C)
14.2
Seeing (arcsec)
0.755
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 16.0150 16.2310 118.8000 119.0000
A0-D0 27.1250 27.1960 18.7000 19.7000
A0-C1 12.7170 12.9450 74.4510 75.3050
B2-D0 33.8340 33.8390 350.9000 351.5000
B2-C1 11.2700 11.2720 350.9120 351.4360
D0-C1 22.5640 22.5680 170.9470 171.4720
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 60771.23975713
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 16.015
HIERARCH ESO ISS PBL12 END 16.231
HIERARCH ESO ISS PBLA12 START 118.8
HIERARCH ESO ISS PBLA12 END 119.0
HIERARCH ESO ISS PBL13 START 27.125
HIERARCH ESO ISS PBL13 END 27.196
HIERARCH ESO ISS PBLA13 START 18.7
HIERARCH ESO ISS PBLA13 END 19.7
HIERARCH ESO ISS PBL14 START 12.717
HIERARCH ESO ISS PBL14 END 12.945
HIERARCH ESO ISS PBLA14 START 74.451
HIERARCH ESO ISS PBLA14 END 75.305
HIERARCH ESO ISS PBL23 START 33.834
HIERARCH ESO ISS PBL23 END 33.839
HIERARCH ESO ISS PBLA23 START 350.9
HIERARCH ESO ISS PBLA23 END 351.5
HIERARCH ESO ISS PBL24 START 11.27
HIERARCH ESO ISS PBL24 END 11.272
HIERARCH ESO ISS PBLA24 START 350.912
HIERARCH ESO ISS PBLA24 END 351.436
HIERARCH ESO ISS PBL34 START 22.564
HIERARCH ESO ISS PBL34 END 22.568
HIERARCH ESO ISS PBLA34 START 170.947
HIERARCH ESO ISS PBLA34 END 171.472
HIERARCH ESO ISS AMBI TAU0 START 0.00212
HIERARCH ESO ISS AMBI TAU0 END 0.002518
HIERARCH ESO ISS AMBI TEMP 14.2
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.74