Exposure
ID
GRAVI.2025-05-20T03:03:31.944_1
Header ID
GRAVI.2025-05-20T03:03:31.944
Date updated
2025-05-20 03:15:47 UTC+0000
Release date
2025-05-20 03:03:31 UTC+0000
UTC Start
2025-05-20 03:03:31.944
UTC End
2025-05-20 03:06:43.944
MJD Start
60815.12745306
MJD End
60815.12967528222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0061775
Ambient temperature (°C)
13.7
Seeing (arcsec)
0.5900000000000001
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 16.6670 16.8760 119.3000 119.5000
A0-D0 27.3500 27.4290 21.8000 22.7000
A0-C1 13.4090 13.6320 76.9940 77.7850
B2-D0 33.8480 33.8520 352.5000 353.1000
B2-C1 11.2750 11.2760 352.5190 353.0470
D0-C1 22.5740 22.5760 172.5570 173.0850
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 60815.12745306
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 16.667
HIERARCH ESO ISS PBL12 END 16.876
HIERARCH ESO ISS PBLA12 START 119.3
HIERARCH ESO ISS PBLA12 END 119.5
HIERARCH ESO ISS PBL13 START 27.35
HIERARCH ESO ISS PBL13 END 27.429
HIERARCH ESO ISS PBLA13 START 21.8
HIERARCH ESO ISS PBLA13 END 22.7
HIERARCH ESO ISS PBL14 START 13.409
HIERARCH ESO ISS PBL14 END 13.632
HIERARCH ESO ISS PBLA14 START 76.994
HIERARCH ESO ISS PBLA14 END 77.785
HIERARCH ESO ISS PBL23 START 33.848
HIERARCH ESO ISS PBL23 END 33.852
HIERARCH ESO ISS PBLA23 START 352.5
HIERARCH ESO ISS PBLA23 END 353.1
HIERARCH ESO ISS PBL24 START 11.275
HIERARCH ESO ISS PBL24 END 11.276
HIERARCH ESO ISS PBLA24 START 352.519
HIERARCH ESO ISS PBLA24 END 353.047
HIERARCH ESO ISS PBL34 START 22.574
HIERARCH ESO ISS PBL34 END 22.576
HIERARCH ESO ISS PBLA34 START 172.557
HIERARCH ESO ISS PBLA34 END 173.085
HIERARCH ESO ISS AMBI TAU0 START 0.005814
HIERARCH ESO ISS AMBI TAU0 END 0.006541
HIERARCH ESO ISS AMBI TEMP 13.7
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.62