Exposure
ID
GRAVI.2025-05-20T08:58:26.181_1
Header ID
GRAVI.2025-05-20T08:58:26.181
Date updated
2025-05-20 09:10:54 UTC+0000
Release date
2025-05-20 08:58:26 UTC+0000
UTC Start
2025-05-20 08:58:26.181
UTC End
2025-05-20 09:01:38.181
MJD Start
60815.37391413
MJD End
60815.37613635223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.010061
Ambient temperature (°C)
13.94
Seeing (arcsec)
0.415
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 25.2980 25.2990 156.6000 157.2000
A0-D0 29.0600 28.8890 87.3000 87.8000
A0-C1 22.2050 22.1640 132.5480 133.2250
B2-D0 31.0880 30.9820 37.7000 38.0000
B2-C1 10.3560 10.3210 37.6050 37.9330
D0-C1 20.7320 20.6610 217.6730 218.0000
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 60815.37391413
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 25.298
HIERARCH ESO ISS PBL12 END 25.299
HIERARCH ESO ISS PBLA12 START 156.6
HIERARCH ESO ISS PBLA12 END 157.2
HIERARCH ESO ISS PBL13 START 29.06
HIERARCH ESO ISS PBL13 END 28.889
HIERARCH ESO ISS PBLA13 START 87.3
HIERARCH ESO ISS PBLA13 END 87.8
HIERARCH ESO ISS PBL14 START 22.205
HIERARCH ESO ISS PBL14 END 22.164
HIERARCH ESO ISS PBLA14 START 132.548
HIERARCH ESO ISS PBLA14 END 133.225
HIERARCH ESO ISS PBL23 START 31.088
HIERARCH ESO ISS PBL23 END 30.982
HIERARCH ESO ISS PBLA23 START 37.7
HIERARCH ESO ISS PBLA23 END 38.0
HIERARCH ESO ISS PBL24 START 10.356
HIERARCH ESO ISS PBL24 END 10.321
HIERARCH ESO ISS PBLA24 START 37.605
HIERARCH ESO ISS PBLA24 END 37.933
HIERARCH ESO ISS PBL34 START 20.732
HIERARCH ESO ISS PBL34 END 20.661
HIERARCH ESO ISS PBLA34 START 217.673
HIERARCH ESO ISS PBLA34 END 218.0
HIERARCH ESO ISS AMBI TAU0 START 0.010038
HIERARCH ESO ISS AMBI TAU0 END 0.010084
HIERARCH ESO ISS AMBI TEMP 13.94
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.42