Exposure
ID
GRAVI.2025-04-28T08:25:23.665_1
Header ID
GRAVI.2025-04-28T08:25:23.665
Date updated
2025-04-28 08:35:47 UTC+0000
Release date
2025-04-28 08:25:23 UTC+0000
UTC Start
2025-04-28 08:25:23.665
UTC End
2025-04-28 08:28:03.665
MJD Start
60793.35096835
MJD End
60793.35282020186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004588999999999999
Ambient temperature (°C)
12.38
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 90.4940 90.4710 115.1000 115.3000
A0-J2 129.1580 129.2030 92.1000 92.3000
A0-K0 127.5840 127.6920 70.3790 70.6040
G1-J2 57.9120 57.9700 54.4000 54.7000
G1-K0 89.7310 89.7910 25.2000 25.4900
J2-K0 48.3280 48.3150 349.3890 349.6790
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 60793.35096835
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 90.494
HIERARCH ESO ISS PBL12 END 90.471
HIERARCH ESO ISS PBLA12 START 115.1
HIERARCH ESO ISS PBLA12 END 115.3
HIERARCH ESO ISS PBL13 START 129.158
HIERARCH ESO ISS PBL13 END 129.203
HIERARCH ESO ISS PBLA13 START 92.1
HIERARCH ESO ISS PBLA13 END 92.3
HIERARCH ESO ISS PBL14 START 127.584
HIERARCH ESO ISS PBL14 END 127.692
HIERARCH ESO ISS PBLA14 START 70.379
HIERARCH ESO ISS PBLA14 END 70.604
HIERARCH ESO ISS PBL23 START 57.912
HIERARCH ESO ISS PBL23 END 57.97
HIERARCH ESO ISS PBLA23 START 54.4
HIERARCH ESO ISS PBLA23 END 54.7
HIERARCH ESO ISS PBL24 START 89.731
HIERARCH ESO ISS PBL24 END 89.791
HIERARCH ESO ISS PBLA24 START 25.2
HIERARCH ESO ISS PBLA24 END 25.49
HIERARCH ESO ISS PBL34 START 48.328
HIERARCH ESO ISS PBL34 END 48.315
HIERARCH ESO ISS PBLA34 START 349.389
HIERARCH ESO ISS PBLA34 END 349.679
HIERARCH ESO ISS AMBI TAU0 START 0.004611
HIERARCH ESO ISS AMBI TAU0 END 0.004567
HIERARCH ESO ISS AMBI TEMP 12.38
HIERARCH ESO ISS AMBI FWHM START 0.28
HIERARCH ESO ISS AMBI FWHM END 0.3