Exposure
ID
GRAVI.2025-05-23T06:09:46.354_1
Header ID
GRAVI.2025-05-23T06:09:46.354
Date updated
2025-05-23 06:21:04 UTC+0000
Release date
2025-05-23 06:09:46 UTC+0000
UTC Start
2025-05-23 06:09:46.354
UTC End
2025-05-23 06:12:58.354
MJD Start
60818.25678651
MJD End
60818.259008732224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0049065
Ambient temperature (°C)
13.71
Seeing (arcsec)
0.61
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 67.2220 67.3720 263.4000 264.0000
K0-D0 95.6460 95.7300 243.5000 244.1000
K0-J3 53.9210 54.0380 326.4690 326.8590
G2-D0 39.7460 39.7190 208.2000 208.7000
G2-J3 64.3330 64.2970 35.1030 35.6360
D0-J3 103.9030 103.8390 32.4800 33.0040
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 60818.25678651
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 67.222
HIERARCH ESO ISS PBL12 END 67.372
HIERARCH ESO ISS PBLA12 START 263.4
HIERARCH ESO ISS PBLA12 END 264.0
HIERARCH ESO ISS PBL13 START 95.646
HIERARCH ESO ISS PBL13 END 95.73
HIERARCH ESO ISS PBLA13 START 243.5
HIERARCH ESO ISS PBLA13 END 244.1
HIERARCH ESO ISS PBL14 START 53.921
HIERARCH ESO ISS PBL14 END 54.038
HIERARCH ESO ISS PBLA14 START 326.469
HIERARCH ESO ISS PBLA14 END 326.859
HIERARCH ESO ISS PBL23 START 39.746
HIERARCH ESO ISS PBL23 END 39.719
HIERARCH ESO ISS PBLA23 START 208.2
HIERARCH ESO ISS PBLA23 END 208.7
HIERARCH ESO ISS PBL24 START 64.333
HIERARCH ESO ISS PBL24 END 64.297
HIERARCH ESO ISS PBLA24 START 35.103
HIERARCH ESO ISS PBLA24 END 35.636
HIERARCH ESO ISS PBL34 START 103.903
HIERARCH ESO ISS PBL34 END 103.839
HIERARCH ESO ISS PBLA34 START 32.48
HIERARCH ESO ISS PBLA34 END 33.004
HIERARCH ESO ISS AMBI TAU0 START 0.005466
HIERARCH ESO ISS AMBI TAU0 END 0.004347
HIERARCH ESO ISS AMBI TEMP 13.71
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.59