Exposure
ID
GRAVI.2025-05-28T06:34:56.478_1
Header ID
GRAVI.2025-05-28T06:34:56.478
Date updated
2025-05-28 07:48:12 UTC+0000
Release date
2025-05-28 06:34:56 UTC+0000
UTC Start
2025-05-28 06:34:56.478
UTC End
2025-05-28 06:37:36.478
MJD Start
60823.27426479
MJD End
60823.27611664186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0041725
Ambient temperature (°C)
12.81
Seeing (arcsec)
1.3599999999999999
Observation
ID
67033
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
49841
Name
HD_168000
RA
274.598179
DEC
-17.53439
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 90.4140 90.3620 115.7000 115.9000
A0-J2 129.2350 129.2310 92.6000 92.8000
A0-K0 127.8260 127.8910 70.9930 71.2100
G1-J2 58.0490 58.0920 55.1000 55.3000
G1-K0 89.8800 89.9350 25.9750 26.2540
J2-K0 48.2960 48.2840 350.1740 350.4660
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 60823.27426479
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168000
HIERARCH ESO INS SOBJ NAME HD_168000
RA 274.598179
DEC -17.53439
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 90.414
HIERARCH ESO ISS PBL12 END 90.362
HIERARCH ESO ISS PBLA12 START 115.7
HIERARCH ESO ISS PBLA12 END 115.9
HIERARCH ESO ISS PBL13 START 129.235
HIERARCH ESO ISS PBL13 END 129.231
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 127.826
HIERARCH ESO ISS PBL14 END 127.891
HIERARCH ESO ISS PBLA14 START 70.993
HIERARCH ESO ISS PBLA14 END 71.21
HIERARCH ESO ISS PBL23 START 58.049
HIERARCH ESO ISS PBL23 END 58.092
HIERARCH ESO ISS PBLA23 START 55.1
HIERARCH ESO ISS PBLA23 END 55.3
HIERARCH ESO ISS PBL24 START 89.88
HIERARCH ESO ISS PBL24 END 89.935
HIERARCH ESO ISS PBLA24 START 25.975
HIERARCH ESO ISS PBLA24 END 26.254
HIERARCH ESO ISS PBL34 START 48.296
HIERARCH ESO ISS PBL34 END 48.284
HIERARCH ESO ISS PBLA34 START 350.174
HIERARCH ESO ISS PBLA34 END 350.466
HIERARCH ESO ISS AMBI TAU0 START 0.003537
HIERARCH ESO ISS AMBI TAU0 END 0.004808
HIERARCH ESO ISS AMBI TEMP 12.81
HIERARCH ESO ISS AMBI FWHM START 1.58
HIERARCH ESO ISS AMBI FWHM END 1.14