Exposure
ID
GRAVI.2025-05-27T04:47:35.824_1
Header ID
GRAVI.2025-05-27T04:47:35.824
Date updated
2025-05-27 05:00:53 UTC+0000
Release date
2025-05-27 04:47:35 UTC+0000
UTC Start
2025-05-27 04:47:35.824
UTC End
2025-05-27 04:50:15.824
MJD Start
60822.19972019
MJD End
60822.20157204186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0038525
Ambient temperature (°C)
11.19
Seeing (arcsec)
0.615
Observation
ID
67605
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
50277
Name
HD_158619
RA
262.944603
DEC
-33.70334
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.5460 86.8130 107.3000 107.6000
A0-J2 125.1500 125.4860 83.3000 83.7000
A0-K0 126.0760 126.2790 61.4880 61.9480
G1-J2 57.9440 57.9870 46.0000 46.4000
G1-K0 90.3730 90.3570 18.1460 18.5260
J2-K0 47.5590 47.5900 343.4980 343.7820
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 60822.19972019
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 158619
HIERARCH ESO INS SOBJ NAME HD_158619
RA 262.944603
DEC -33.70334
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 86.546
HIERARCH ESO ISS PBL12 END 86.813
HIERARCH ESO ISS PBLA12 START 107.3
HIERARCH ESO ISS PBLA12 END 107.6
HIERARCH ESO ISS PBL13 START 125.15
HIERARCH ESO ISS PBL13 END 125.486
HIERARCH ESO ISS PBLA13 START 83.3
HIERARCH ESO ISS PBLA13 END 83.7
HIERARCH ESO ISS PBL14 START 126.076
HIERARCH ESO ISS PBL14 END 126.279
HIERARCH ESO ISS PBLA14 START 61.488
HIERARCH ESO ISS PBLA14 END 61.948
HIERARCH ESO ISS PBL23 START 57.944
HIERARCH ESO ISS PBL23 END 57.987
HIERARCH ESO ISS PBLA23 START 46.0
HIERARCH ESO ISS PBLA23 END 46.4
HIERARCH ESO ISS PBL24 START 90.373
HIERARCH ESO ISS PBL24 END 90.357
HIERARCH ESO ISS PBLA24 START 18.146
HIERARCH ESO ISS PBLA24 END 18.526
HIERARCH ESO ISS PBL34 START 47.559
HIERARCH ESO ISS PBL34 END 47.59
HIERARCH ESO ISS PBLA34 START 343.498
HIERARCH ESO ISS PBLA34 END 343.782
HIERARCH ESO ISS AMBI TAU0 START 0.003438
HIERARCH ESO ISS AMBI TAU0 END 0.004267
HIERARCH ESO ISS AMBI TEMP 11.19
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.61