Exposure
ID
GRAVI.2025-04-28T08:18:38.648_1
Header ID
GRAVI.2025-04-28T08:18:38.648
Date updated
2025-04-28 08:30:41 UTC+0000
Release date
2025-04-28 08:18:38 UTC+0000
UTC Start
2025-04-28 08:18:38.648
UTC End
2025-04-28 08:21:18.648
MJD Start
60793.34628065
MJD End
60793.34813250186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0045815
Ambient temperature (°C)
12.34
Seeing (arcsec)
0.29000000000000004
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 90.5050 90.5080 114.5000 114.8000
A0-J2 128.9810 129.0710 91.6000 91.8000
A0-K0 127.2740 127.4210 69.8090 70.0680
G1-J2 57.7600 57.8300 53.8000 54.1000
G1-K0 89.5880 89.6520 24.4830 24.8070
J2-K0 48.3570 48.3440 348.6920 349.0040
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 60793.34628065
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 90.505
HIERARCH ESO ISS PBL12 END 90.508
HIERARCH ESO ISS PBLA12 START 114.5
HIERARCH ESO ISS PBLA12 END 114.8
HIERARCH ESO ISS PBL13 START 128.981
HIERARCH ESO ISS PBL13 END 129.071
HIERARCH ESO ISS PBLA13 START 91.6
HIERARCH ESO ISS PBLA13 END 91.8
HIERARCH ESO ISS PBL14 START 127.274
HIERARCH ESO ISS PBL14 END 127.421
HIERARCH ESO ISS PBLA14 START 69.809
HIERARCH ESO ISS PBLA14 END 70.068
HIERARCH ESO ISS PBL23 START 57.76
HIERARCH ESO ISS PBL23 END 57.83
HIERARCH ESO ISS PBLA23 START 53.8
HIERARCH ESO ISS PBLA23 END 54.1
HIERARCH ESO ISS PBL24 START 89.588
HIERARCH ESO ISS PBL24 END 89.652
HIERARCH ESO ISS PBLA24 START 24.483
HIERARCH ESO ISS PBLA24 END 24.807
HIERARCH ESO ISS PBL34 START 48.357
HIERARCH ESO ISS PBL34 END 48.344
HIERARCH ESO ISS PBLA34 START 348.692
HIERARCH ESO ISS PBLA34 END 349.004
HIERARCH ESO ISS AMBI TAU0 START 0.004251
HIERARCH ESO ISS AMBI TAU0 END 0.004912
HIERARCH ESO ISS AMBI TEMP 12.34
HIERARCH ESO ISS AMBI FWHM START 0.28
HIERARCH ESO ISS AMBI FWHM END 0.3