Exposure
ID
GRAVI.2025-05-20T02:47:04.903_1
Header ID
GRAVI.2025-05-20T02:47:04.903
Date updated
2025-05-20 03:00:53 UTC+0000
Release date
2025-05-20 02:47:04 UTC+0000
UTC Start
2025-05-20 02:47:04.903
UTC End
2025-05-20 02:50:16.903
MJD Start
60815.11602897
MJD End
60815.11825119222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0038075
Ambient temperature (°C)
13.86
Seeing (arcsec)
0.635
Observation
ID
67463
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
50184
Name
HD_168592
RA
275.574242
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 15.7100 15.9280 118.6000 118.8000
A0-D0 27.0330 27.0980 17.3000 18.3000
A0-C1 12.3980 12.6260 73.2170 74.1030
B2-D0 33.8270 33.8320 350.2000 350.7000
B2-C1 11.2670 11.2690 350.1810 350.7030
D0-C1 22.5590 22.5630 170.2160 170.7380
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 60815.11602897
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168592
HIERARCH ESO INS SOBJ NAME HD_168592
RA 275.574242
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 15.71
HIERARCH ESO ISS PBL12 END 15.928
HIERARCH ESO ISS PBLA12 START 118.6
HIERARCH ESO ISS PBLA12 END 118.8
HIERARCH ESO ISS PBL13 START 27.033
HIERARCH ESO ISS PBL13 END 27.098
HIERARCH ESO ISS PBLA13 START 17.3
HIERARCH ESO ISS PBLA13 END 18.3
HIERARCH ESO ISS PBL14 START 12.398
HIERARCH ESO ISS PBL14 END 12.626
HIERARCH ESO ISS PBLA14 START 73.217
HIERARCH ESO ISS PBLA14 END 74.103
HIERARCH ESO ISS PBL23 START 33.827
HIERARCH ESO ISS PBL23 END 33.832
HIERARCH ESO ISS PBLA23 START 350.2
HIERARCH ESO ISS PBLA23 END 350.7
HIERARCH ESO ISS PBL24 START 11.267
HIERARCH ESO ISS PBL24 END 11.269
HIERARCH ESO ISS PBLA24 START 350.181
HIERARCH ESO ISS PBLA24 END 350.703
HIERARCH ESO ISS PBL34 START 22.559
HIERARCH ESO ISS PBL34 END 22.563
HIERARCH ESO ISS PBLA34 START 170.216
HIERARCH ESO ISS PBLA34 END 170.738
HIERARCH ESO ISS AMBI TAU0 START 0.004397
HIERARCH ESO ISS AMBI TAU0 END 0.003218
HIERARCH ESO ISS AMBI TEMP 13.86
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.62