Exposure
ID
GRAVI.2025-05-28T04:47:32.205_1
Header ID
GRAVI.2025-05-28T04:47:32.205
Date updated
2025-05-28 05:00:58 UTC+0000
Release date
2025-05-28 04:47:32 UTC+0000
UTC Start
2025-05-28 04:47:32.205
UTC End
2025-05-28 04:50:12.205
MJD Start
60823.1996783
MJD End
60823.201530151855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00378
Ambient temperature (°C)
13.09
Seeing (arcsec)
0.815
Observation
ID
67615
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
50286
Name
HD_158619
RA
262.944602
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 86.8930 87.1470 107.7000 108.1000
A0-J2 125.5870 125.9050 83.9000 84.3000
A0-K0 126.3390 126.5270 62.0920 62.5430
G1-J2 57.9990 58.0380 46.6000 47.0000
G1-K0 90.3520 90.3340 18.6460 19.0200
J2-K0 47.5990 47.6290 343.8730 344.1550
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 60823.1996783
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 158619
HIERARCH ESO INS SOBJ NAME HD_158619
RA 262.944602
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 86.893
HIERARCH ESO ISS PBL12 END 87.147
HIERARCH ESO ISS PBLA12 START 107.7
HIERARCH ESO ISS PBLA12 END 108.1
HIERARCH ESO ISS PBL13 START 125.587
HIERARCH ESO ISS PBL13 END 125.905
HIERARCH ESO ISS PBLA13 START 83.9
HIERARCH ESO ISS PBLA13 END 84.3
HIERARCH ESO ISS PBL14 START 126.339
HIERARCH ESO ISS PBL14 END 126.527
HIERARCH ESO ISS PBLA14 START 62.092
HIERARCH ESO ISS PBLA14 END 62.543
HIERARCH ESO ISS PBL23 START 57.999
HIERARCH ESO ISS PBL23 END 58.038
HIERARCH ESO ISS PBLA23 START 46.6
HIERARCH ESO ISS PBLA23 END 47.0
HIERARCH ESO ISS PBL24 START 90.352
HIERARCH ESO ISS PBL24 END 90.334
HIERARCH ESO ISS PBLA24 START 18.646
HIERARCH ESO ISS PBLA24 END 19.02
HIERARCH ESO ISS PBL34 START 47.599
HIERARCH ESO ISS PBL34 END 47.629
HIERARCH ESO ISS PBLA34 START 343.873
HIERARCH ESO ISS PBLA34 END 344.155
HIERARCH ESO ISS AMBI TAU0 START 0.003707
HIERARCH ESO ISS AMBI TAU0 END 0.003853
HIERARCH ESO ISS AMBI TEMP 13.09
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.83