Exposure
ID
GRAVI.2025-06-18T05:47:42.157_1
Header ID
GRAVI.2025-06-18T05:47:42.157
Date updated
2025-06-18 05:56:22 UTC+0000
Release date
2025-06-18 05:47:42 UTC+0000
UTC Start
2025-06-18 05:47:42.157
UTC End
2025-06-18 05:50:22.157
MJD Start
60844.24146015
MJD End
60844.243312001854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0029614999999999997
Ambient temperature (°C)
6.29
Seeing (arcsec)
0.8899999999999999
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 89.0970 88.9190 118.8000 119.1000
A0-J2 127.9060 127.6690 95.3000 95.6000
A0-K0 127.4500 127.3020 73.6020 73.8060
G1-J2 58.1720 58.1420 57.8000 58.0000
G1-K0 90.3830 90.4070 29.2500 29.5010
J2-K0 48.1660 48.1580 353.9390 354.2630
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 60844.24146015
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 89.097
HIERARCH ESO ISS PBL12 END 88.919
HIERARCH ESO ISS PBLA12 START 118.8
HIERARCH ESO ISS PBLA12 END 119.1
HIERARCH ESO ISS PBL13 START 127.906
HIERARCH ESO ISS PBL13 END 127.669
HIERARCH ESO ISS PBLA13 START 95.3
HIERARCH ESO ISS PBLA13 END 95.6
HIERARCH ESO ISS PBL14 START 127.45
HIERARCH ESO ISS PBL14 END 127.302
HIERARCH ESO ISS PBLA14 START 73.602
HIERARCH ESO ISS PBLA14 END 73.806
HIERARCH ESO ISS PBL23 START 58.172
HIERARCH ESO ISS PBL23 END 58.142
HIERARCH ESO ISS PBLA23 START 57.8
HIERARCH ESO ISS PBLA23 END 58.0
HIERARCH ESO ISS PBL24 START 90.383
HIERARCH ESO ISS PBL24 END 90.407
HIERARCH ESO ISS PBLA24 START 29.25
HIERARCH ESO ISS PBLA24 END 29.501
HIERARCH ESO ISS PBL34 START 48.166
HIERARCH ESO ISS PBL34 END 48.158
HIERARCH ESO ISS PBLA34 START 353.939
HIERARCH ESO ISS PBLA34 END 354.263
HIERARCH ESO ISS AMBI TAU0 START 0.002878
HIERARCH ESO ISS AMBI TAU0 END 0.003045
HIERARCH ESO ISS AMBI TEMP 6.29
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.96