Exposure
ID
GRAVI.2025-04-28T07:29:32.523_1
Header ID
GRAVI.2025-04-28T07:29:32.523
Date updated
2025-04-28 07:40:47 UTC+0000
Release date
2025-04-28 07:29:32 UTC+0000
UTC Start
2025-04-28 07:29:32.523
UTC End
2025-04-28 07:32:12.523
MJD Start
60793.31218198
MJD End
60793.314033831855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005191
Ambient temperature (°C)
12.52
Seeing (arcsec)
0.34
Observation
ID
67031
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
49839
Name
HD_158619
RA
262.944604
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 89.7020 89.8170 113.2000 113.6000
A0-J2 128.8400 128.9410 90.1000 90.5000
A0-K0 127.9670 127.9800 68.5650 68.9880
G1-J2 58.1970 58.1780 52.9000 53.3000
G1-K0 89.9120 89.8670 24.0680 24.4240
J2-K0 47.9520 47.9690 348.3030 348.6210
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 60793.31218198
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 158619
HIERARCH ESO INS SOBJ NAME HD_158619
RA 262.944604
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 89.702
HIERARCH ESO ISS PBL12 END 89.817
HIERARCH ESO ISS PBLA12 START 113.2
HIERARCH ESO ISS PBLA12 END 113.6
HIERARCH ESO ISS PBL13 START 128.84
HIERARCH ESO ISS PBL13 END 128.941
HIERARCH ESO ISS PBLA13 START 90.1
HIERARCH ESO ISS PBLA13 END 90.5
HIERARCH ESO ISS PBL14 START 127.967
HIERARCH ESO ISS PBL14 END 127.98
HIERARCH ESO ISS PBLA14 START 68.565
HIERARCH ESO ISS PBLA14 END 68.988
HIERARCH ESO ISS PBL23 START 58.197
HIERARCH ESO ISS PBL23 END 58.178
HIERARCH ESO ISS PBLA23 START 52.9
HIERARCH ESO ISS PBLA23 END 53.3
HIERARCH ESO ISS PBL24 START 89.912
HIERARCH ESO ISS PBL24 END 89.867
HIERARCH ESO ISS PBLA24 START 24.068
HIERARCH ESO ISS PBLA24 END 24.424
HIERARCH ESO ISS PBL34 START 47.952
HIERARCH ESO ISS PBL34 END 47.969
HIERARCH ESO ISS PBLA34 START 348.303
HIERARCH ESO ISS PBLA34 END 348.621
HIERARCH ESO ISS AMBI TAU0 START 0.005191
HIERARCH ESO ISS AMBI TAU0 END 0.005191
HIERARCH ESO ISS AMBI TEMP 12.52
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.34