Exposure
ID
GRAVI.2025-08-24T03:24:57.373_1
Header ID
GRAVI.2025-08-24T03:24:57.373
Date updated
2025-08-24 03:35:59 UTC+0000
Release date
2025-08-24 03:24:57 UTC+0000
UTC Start
2025-08-24 03:24:57.373
UTC End
2025-08-24 03:27:37.373
MJD Start
60911.14233071
MJD End
60911.14418256185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002661
Ambient temperature (°C)
4.34
Seeing (arcsec)
0.64
Observation
ID
70095
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
52008
Name
HD_158619
RA
262.945934
DEC
-33.70334
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.5820 48.5810 178.6000 179.0000
A0-J2 101.0310 100.3380 126.9000 127.7000
A0-J6 143.4920 142.8250 42.2630 42.3900
B5-J2 80.4790 79.6450 98.7000 99.2000
B5-J6 181.7610 181.2550 31.6290 31.7900
J2-J6 167.6730 167.6620 5.3910 5.7700
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 60911.14233071
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 158619
HIERARCH ESO INS SOBJ NAME HD_158619
RA 262.945934
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 48.582
HIERARCH ESO ISS PBL12 END 48.581
HIERARCH ESO ISS PBLA12 START 178.6
HIERARCH ESO ISS PBLA12 END 179.0
HIERARCH ESO ISS PBL13 START 101.031
HIERARCH ESO ISS PBL13 END 100.338
HIERARCH ESO ISS PBLA13 START 126.9
HIERARCH ESO ISS PBLA13 END 127.7
HIERARCH ESO ISS PBL14 START 143.492
HIERARCH ESO ISS PBL14 END 142.825
HIERARCH ESO ISS PBLA14 START 42.263
HIERARCH ESO ISS PBLA14 END 42.39
HIERARCH ESO ISS PBL23 START 80.479
HIERARCH ESO ISS PBL23 END 79.645
HIERARCH ESO ISS PBLA23 START 98.7
HIERARCH ESO ISS PBLA23 END 99.2
HIERARCH ESO ISS PBL24 START 181.761
HIERARCH ESO ISS PBL24 END 181.255
HIERARCH ESO ISS PBLA24 START 31.629
HIERARCH ESO ISS PBLA24 END 31.79
HIERARCH ESO ISS PBL34 START 167.673
HIERARCH ESO ISS PBL34 END 167.662
HIERARCH ESO ISS PBLA34 START 5.391
HIERARCH ESO ISS PBLA34 END 5.77
HIERARCH ESO ISS AMBI TAU0 START 0.002661
HIERARCH ESO ISS AMBI TAU0 END 0.002661
HIERARCH ESO ISS AMBI TEMP 4.34
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64