Exposure
ID
GRAVI.2025-05-23T07:40:07.584_1
Header ID
GRAVI.2025-05-23T07:40:07.584
Date updated
2025-05-23 07:51:18 UTC+0000
Release date
2025-05-23 07:40:07 UTC+0000
UTC Start
2025-05-23 07:40:07.584
UTC End
2025-05-23 07:43:19.584
MJD Start
60818.31953222
MJD End
60818.32175444222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0056505
Ambient temperature (°C)
13.67
Seeing (arcsec)
0.4
Observation
ID
67544
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
50234
Name
HD_168592
RA
275.577088
DEC
-38.65706
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.8050 67.6920 277.7000 278.3000
K0-D0 93.9250 93.6740 257.4000 257.9000
K0-J3 55.8400 55.8830 337.0010 337.4740
G2-D0 38.4020 38.3100 219.6000 220.0000
G2-J3 62.0560 61.8900 46.9900 47.4270
D0-J3 100.2580 100.0000 44.1510 44.5790
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 60818.31953222
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168592
HIERARCH ESO INS SOBJ NAME HD_168592
RA 275.577088
DEC -38.65706
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 67.805
HIERARCH ESO ISS PBL12 END 67.692
HIERARCH ESO ISS PBLA12 START 277.7
HIERARCH ESO ISS PBLA12 END 278.3
HIERARCH ESO ISS PBL13 START 93.925
HIERARCH ESO ISS PBL13 END 93.674
HIERARCH ESO ISS PBLA13 START 257.4
HIERARCH ESO ISS PBLA13 END 257.9
HIERARCH ESO ISS PBL14 START 55.84
HIERARCH ESO ISS PBL14 END 55.883
HIERARCH ESO ISS PBLA14 START 337.001
HIERARCH ESO ISS PBLA14 END 337.474
HIERARCH ESO ISS PBL23 START 38.402
HIERARCH ESO ISS PBL23 END 38.31
HIERARCH ESO ISS PBLA23 START 219.6
HIERARCH ESO ISS PBLA23 END 220.0
HIERARCH ESO ISS PBL24 START 62.056
HIERARCH ESO ISS PBL24 END 61.89
HIERARCH ESO ISS PBLA24 START 46.99
HIERARCH ESO ISS PBLA24 END 47.427
HIERARCH ESO ISS PBL34 START 100.258
HIERARCH ESO ISS PBL34 END 100.0
HIERARCH ESO ISS PBLA34 START 44.151
HIERARCH ESO ISS PBLA34 END 44.579
HIERARCH ESO ISS AMBI TAU0 START 0.005394
HIERARCH ESO ISS AMBI TAU0 END 0.005907
HIERARCH ESO ISS AMBI TEMP 13.67
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.4