Exposure
ID
GRAVI.2025-06-24T03:10:36.860_1
Header ID
GRAVI.2025-06-24T03:10:36.860
Date updated
2025-06-24 03:25:50 UTC+0000
Release date
2025-06-24 03:10:36 UTC+0000
UTC Start
2025-06-24 03:10:36.860
UTC End
2025-06-24 03:13:48.860
MJD Start
60850.13237106
MJD End
60850.13459328222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0040665
Ambient temperature (°C)
11.32
Seeing (arcsec)
0.565
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 22.8580 22.9610 130.1000 130.4000
A0-D0 31.0940 31.1710 54.2000 54.9000
A0-C1 20.4150 20.5340 100.6040 101.1200
B2-D0 33.7770 33.7670 13.2000 13.8000
B2-C1 11.2510 11.2480 13.2080 13.7190
D0-C1 22.5260 22.5190 193.2660 193.7760
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 60850.13237106
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 22.858
HIERARCH ESO ISS PBL12 END 22.961
HIERARCH ESO ISS PBLA12 START 130.1
HIERARCH ESO ISS PBLA12 END 130.4
HIERARCH ESO ISS PBL13 START 31.094
HIERARCH ESO ISS PBL13 END 31.171
HIERARCH ESO ISS PBLA13 START 54.2
HIERARCH ESO ISS PBLA13 END 54.9
HIERARCH ESO ISS PBL14 START 20.415
HIERARCH ESO ISS PBL14 END 20.534
HIERARCH ESO ISS PBLA14 START 100.604
HIERARCH ESO ISS PBLA14 END 101.12
HIERARCH ESO ISS PBL23 START 33.777
HIERARCH ESO ISS PBL23 END 33.767
HIERARCH ESO ISS PBLA23 START 13.2
HIERARCH ESO ISS PBLA23 END 13.8
HIERARCH ESO ISS PBL24 START 11.251
HIERARCH ESO ISS PBL24 END 11.248
HIERARCH ESO ISS PBLA24 START 13.208
HIERARCH ESO ISS PBLA24 END 13.719
HIERARCH ESO ISS PBL34 START 22.526
HIERARCH ESO ISS PBL34 END 22.519
HIERARCH ESO ISS PBLA34 START 193.266
HIERARCH ESO ISS PBLA34 END 193.776
HIERARCH ESO ISS AMBI TAU0 START 0.003849
HIERARCH ESO ISS AMBI TAU0 END 0.004284
HIERARCH ESO ISS AMBI TEMP 11.32
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.54