Exposure
ID
GRAVI.2025-04-28T07:36:17.540_1
Header ID
GRAVI.2025-04-28T07:36:17.540
Date updated
2025-04-28 07:45:56 UTC+0000
Release date
2025-04-28 07:36:17 UTC+0000
UTC Start
2025-04-28 07:36:17.540
UTC End
2025-04-28 07:38:57.540
MJD Start
60793.31686968
MJD End
60793.318721531854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005191
Ambient temperature (°C)
12.51
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 89.9510 90.0450 114.1000 114.5000
A0-J2 129.0500 129.1170 91.0000 91.4000
A0-K0 127.9770 127.9600 69.5080 69.9270
G1-J2 58.1470 58.1180 53.8000 54.2000
G1-K0 89.8040 89.7530 24.8570 25.2090
J2-K0 47.9910 48.0070 349.0100 349.3320
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 60793.31686968
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 89.951
HIERARCH ESO ISS PBL12 END 90.045
HIERARCH ESO ISS PBLA12 START 114.1
HIERARCH ESO ISS PBLA12 END 114.5
HIERARCH ESO ISS PBL13 START 129.05
HIERARCH ESO ISS PBL13 END 129.117
HIERARCH ESO ISS PBLA13 START 91.0
HIERARCH ESO ISS PBLA13 END 91.4
HIERARCH ESO ISS PBL14 START 127.977
HIERARCH ESO ISS PBL14 END 127.96
HIERARCH ESO ISS PBLA14 START 69.508
HIERARCH ESO ISS PBLA14 END 69.927
HIERARCH ESO ISS PBL23 START 58.147
HIERARCH ESO ISS PBL23 END 58.118
HIERARCH ESO ISS PBLA23 START 53.8
HIERARCH ESO ISS PBLA23 END 54.2
HIERARCH ESO ISS PBL24 START 89.804
HIERARCH ESO ISS PBL24 END 89.753
HIERARCH ESO ISS PBLA24 START 24.857
HIERARCH ESO ISS PBLA24 END 25.209
HIERARCH ESO ISS PBL34 START 47.991
HIERARCH ESO ISS PBL34 END 48.007
HIERARCH ESO ISS PBLA34 START 349.01
HIERARCH ESO ISS PBLA34 END 349.332
HIERARCH ESO ISS AMBI TAU0 START 0.005191
HIERARCH ESO ISS AMBI TAU0 END 0.005191
HIERARCH ESO ISS AMBI TEMP 12.51
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.34