Exposure
ID
GRAVI.2025-06-24T04:32:25.067_1
Header ID
GRAVI.2025-06-24T04:32:25.067
Date updated
2025-06-24 04:45:54 UTC+0000
Release date
2025-06-24 04:32:25 UTC+0000
UTC Start
2025-06-24 04:32:25.067
UTC End
2025-06-24 04:35:37.067
MJD Start
60850.18917902
MJD End
60850.19140124223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004475
Ambient temperature (°C)
11.24
Seeing (arcsec)
0.56
Observation
ID
68226
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
50709
Name
HD_168592
RA
275.57424
DEC
-38.65706
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.5540 24.6030 138.9000 139.4000
A0-D0 32.0030 31.9990 68.0000 68.6000
A0-C1 22.2670 22.3120 112.0190 112.5620
B2-D0 33.3490 33.3170 24.0000 24.4000
B2-C1 11.1090 11.0980 23.9110 24.3770
D0-C1 22.2410 22.2190 203.9750 204.4400
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 60850.18917902
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168592
HIERARCH ESO INS SOBJ NAME HD_168592
RA 275.57424
DEC -38.65706
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 24.554
HIERARCH ESO ISS PBL12 END 24.603
HIERARCH ESO ISS PBLA12 START 138.9
HIERARCH ESO ISS PBLA12 END 139.4
HIERARCH ESO ISS PBL13 START 32.003
HIERARCH ESO ISS PBL13 END 31.999
HIERARCH ESO ISS PBLA13 START 68.0
HIERARCH ESO ISS PBLA13 END 68.6
HIERARCH ESO ISS PBL14 START 22.267
HIERARCH ESO ISS PBL14 END 22.312
HIERARCH ESO ISS PBLA14 START 112.019
HIERARCH ESO ISS PBLA14 END 112.562
HIERARCH ESO ISS PBL23 START 33.349
HIERARCH ESO ISS PBL23 END 33.317
HIERARCH ESO ISS PBLA23 START 24.0
HIERARCH ESO ISS PBLA23 END 24.4
HIERARCH ESO ISS PBL24 START 11.109
HIERARCH ESO ISS PBL24 END 11.098
HIERARCH ESO ISS PBLA24 START 23.911
HIERARCH ESO ISS PBLA24 END 24.377
HIERARCH ESO ISS PBL34 START 22.241
HIERARCH ESO ISS PBL34 END 22.219
HIERARCH ESO ISS PBLA34 START 203.975
HIERARCH ESO ISS PBLA34 END 204.44
HIERARCH ESO ISS AMBI TAU0 START 0.004357
HIERARCH ESO ISS AMBI TAU0 END 0.004593
HIERARCH ESO ISS AMBI TEMP 11.24
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.55