Exposure
ID
GRAVI.2025-04-04T07:19:45.625_1
Header ID
GRAVI.2025-04-04T07:19:45.625
Date updated
2025-04-04 07:31:05 UTC+0000
Release date
2025-04-04 07:19:45 UTC+0000
UTC Start
2025-04-04 07:19:45.625
UTC End
2025-04-04 07:22:57.625
MJD Start
60769.30538918
MJD End
60769.307611402226
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.009422
Ambient temperature (°C)
13.89
Seeing (arcsec)
0.58
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 20.4110 20.5660 124.1000 124.3000
A0-D0 29.3130 29.4170 40.2000 41.0000
A0-C1 17.5790 17.7570 90.5420 91.1120
B2-D0 33.8690 33.8670 3.4000 4.0000
B2-C1 11.2820 11.2810 3.3850 3.9170
D0-C1 22.5870 22.5860 183.4340 183.9670
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 60769.30538918
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 20.411
HIERARCH ESO ISS PBL12 END 20.566
HIERARCH ESO ISS PBLA12 START 124.1
HIERARCH ESO ISS PBLA12 END 124.3
HIERARCH ESO ISS PBL13 START 29.313
HIERARCH ESO ISS PBL13 END 29.417
HIERARCH ESO ISS PBLA13 START 40.2
HIERARCH ESO ISS PBLA13 END 41.0
HIERARCH ESO ISS PBL14 START 17.579
HIERARCH ESO ISS PBL14 END 17.757
HIERARCH ESO ISS PBLA14 START 90.542
HIERARCH ESO ISS PBLA14 END 91.112
HIERARCH ESO ISS PBL23 START 33.869
HIERARCH ESO ISS PBL23 END 33.867
HIERARCH ESO ISS PBLA23 START 3.4
HIERARCH ESO ISS PBLA23 END 4.0
HIERARCH ESO ISS PBL24 START 11.282
HIERARCH ESO ISS PBL24 END 11.281
HIERARCH ESO ISS PBLA24 START 3.385
HIERARCH ESO ISS PBLA24 END 3.917
HIERARCH ESO ISS PBL34 START 22.587
HIERARCH ESO ISS PBL34 END 22.586
HIERARCH ESO ISS PBLA34 START 183.434
HIERARCH ESO ISS PBLA34 END 183.967
HIERARCH ESO ISS AMBI TAU0 START 0.008927
HIERARCH ESO ISS AMBI TAU0 END 0.009917
HIERARCH ESO ISS AMBI TEMP 13.89
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58