Exposure
ID
GRAVI.2025-06-24T05:54:49.277_1
Header ID
GRAVI.2025-06-24T05:54:49.277
Date updated
2025-06-24 06:06:22 UTC+0000
Release date
2025-06-24 05:54:49 UTC+0000
UTC Start
2025-06-24 05:54:49.277
UTC End
2025-06-24 05:58:01.277
MJD Start
60850.24640367
MJD End
60850.24862589222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0041695
Ambient temperature (°C)
11.25
Seeing (arcsec)
0.595
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 25.2200 25.2330 149.8000 150.3000
A0-D0 30.7920 30.6810 80.4000 80.9000
A0-C1 22.5680 22.5510 124.5980 125.2080
B2-D0 32.1990 32.1230 33.3000 33.6000
B2-C1 10.7260 10.7010 33.2190 33.5950
D0-C1 21.4730 21.4220 213.2860 213.6610
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 60850.24640367
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 25.22
HIERARCH ESO ISS PBL12 END 25.233
HIERARCH ESO ISS PBLA12 START 149.8
HIERARCH ESO ISS PBLA12 END 150.3
HIERARCH ESO ISS PBL13 START 30.792
HIERARCH ESO ISS PBL13 END 30.681
HIERARCH ESO ISS PBLA13 START 80.4
HIERARCH ESO ISS PBLA13 END 80.9
HIERARCH ESO ISS PBL14 START 22.568
HIERARCH ESO ISS PBL14 END 22.551
HIERARCH ESO ISS PBLA14 START 124.598
HIERARCH ESO ISS PBLA14 END 125.208
HIERARCH ESO ISS PBL23 START 32.199
HIERARCH ESO ISS PBL23 END 32.123
HIERARCH ESO ISS PBLA23 START 33.3
HIERARCH ESO ISS PBLA23 END 33.6
HIERARCH ESO ISS PBL24 START 10.726
HIERARCH ESO ISS PBL24 END 10.701
HIERARCH ESO ISS PBLA24 START 33.219
HIERARCH ESO ISS PBLA24 END 33.595
HIERARCH ESO ISS PBL34 START 21.473
HIERARCH ESO ISS PBL34 END 21.422
HIERARCH ESO ISS PBLA34 START 213.286
HIERARCH ESO ISS PBLA34 END 213.661
HIERARCH ESO ISS AMBI TAU0 START 0.004452
HIERARCH ESO ISS AMBI TAU0 END 0.003887
HIERARCH ESO ISS AMBI TEMP 11.25
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.64