Exposure
ID
GRAVI.2025-06-18T04:34:29.971_1
Header ID
GRAVI.2025-06-18T04:34:29.971
Date updated
2025-06-18 04:45:55 UTC+0000
Release date
2025-06-18 04:34:29 UTC+0000
UTC Start
2025-06-18 04:34:29.971
UTC End
2025-06-18 04:37:09.971
MJD Start
60844.19062466
MJD End
60844.19247651185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0025120000000000003
Ambient temperature (°C)
6.55
Seeing (arcsec)
0.8300000000000001
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 90.0700 90.1660 112.9000 113.1000
A0-J2 127.5560 127.8030 89.8000 90.0000
A0-K0 125.5030 125.7820 67.7210 67.9970
G1-J2 57.0050 57.1170 51.4000 51.8000
G1-K0 89.0270 89.1010 21.8660 22.2090
J2-K0 48.4600 48.4470 346.3680 346.6540
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 60844.19062466
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 90.07
HIERARCH ESO ISS PBL12 END 90.166
HIERARCH ESO ISS PBLA12 START 112.9
HIERARCH ESO ISS PBLA12 END 113.1
HIERARCH ESO ISS PBL13 START 127.556
HIERARCH ESO ISS PBL13 END 127.803
HIERARCH ESO ISS PBLA13 START 89.8
HIERARCH ESO ISS PBLA13 END 90.0
HIERARCH ESO ISS PBL14 START 125.503
HIERARCH ESO ISS PBL14 END 125.782
HIERARCH ESO ISS PBLA14 START 67.721
HIERARCH ESO ISS PBLA14 END 67.997
HIERARCH ESO ISS PBL23 START 57.005
HIERARCH ESO ISS PBL23 END 57.117
HIERARCH ESO ISS PBLA23 START 51.4
HIERARCH ESO ISS PBLA23 END 51.8
HIERARCH ESO ISS PBL24 START 89.027
HIERARCH ESO ISS PBL24 END 89.101
HIERARCH ESO ISS PBLA24 START 21.866
HIERARCH ESO ISS PBLA24 END 22.209
HIERARCH ESO ISS PBL34 START 48.46
HIERARCH ESO ISS PBL34 END 48.447
HIERARCH ESO ISS PBLA34 START 346.368
HIERARCH ESO ISS PBLA34 END 346.654
HIERARCH ESO ISS AMBI TAU0 START 0.002527
HIERARCH ESO ISS AMBI TAU0 END 0.002497
HIERARCH ESO ISS AMBI TEMP 6.55
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.8